Prepaints and Method of Preparing Road-Marking Paints from Prepaints

专利摘要:
Sets of prepaints useful for forming a road-marking paint line are provided. Also provided are methods which permit the person applying the road-marking paint to vary the properties of the road-marking paint at the application point to suit the ambient conditions, including temperature, humidity, traffic flow and the like.
公开号:KR20030032919A
申请号:KR1020027010654
申请日:2001-02-16
公开日:2003-04-26
发明作者:존 마이클 프라이엘；존 윌리암 3세 후크；번하드 헬멋 라이저；제리 윌리암 와셀；데니스 파울 로라；도날드 크레이그 스칼；앤 로버트슨 헤르메스
申请人:존 마이클 프라이엘；존 윌리암 3세 후크；번하드 헬멋 라이저；제리 윌리암 와셀；데니스 파울 로라；도날드 크레이그 스칼；앤 로버트슨 헤르메스；
IPC主号:

专利说明:

Prepaints and Method of Preparing Road-Marking Paints from Prepaints}
[2] Paint formulations include the process of selecting and mixing the right paint ingredients in the correct proportions to provide a final dry paint film having the desired physical properties, as well as paints having specific cost, processability and handling. The main components of many paint formulations are binders, opaque pigments, optional pigment extenders and fluid media. For example, the medium is water if the paint is a water-borne paint, such as a latex paint, and a solvent if the paint is a solvent-borne paint, such as an oil-based paint. Typical ingredients are, for example, dofoamers, coalescents, plasticizers, thickeners, non-concentrated rheology modifiers, solvents, desiccants, anti-drying agents, anti -skinning agents, surfactants, mildewcides, biocides and dispersants. After the paint is blended and applied to the surface, the paint is dried as the water and / or solvent evaporates, with or without heat or radiation, and the binder, if present, forms a film containing pigment and extender particles. .
[3] Paint formulations are complex; this is not simply mixing some paint ingredients in different proportions. This includes selecting and mixing different paint components in different ratios according to the type of paint desired. This requires paint manufacturers to stock many different paint components and vary the paint components during manufacture depending on the particular kind of paint being produced.
[4] Moreover, this requires that the supply-related person, especially the paint retailer, stock a large number of paint products to provide a variety of sheen levels, tonal bases, specific end-uses (ie exterior or interior) and a range of quality paints. do. Using a limited number of paint components, all of these other paint formulations are manufactured at the point of sale or at the point of use, either on a relatively large industrial scale or on a relatively small scale, thus minimizing the number and type of paint components required to manufacture the paint range. It is desirable to prepare the paint so that it can.
[5] In general, road marking paint formulations are somewhat less complex than building paint formulations and the colors available for many building paint formulations are typically very wide, whereas typically only a limited range of colors (white, yellow, light blue, red and black). It is colored only. However, a number of different components must be combined to form the final road-marking paint. Road-marking paint formulations also require that manufacturers, sellers or users have to balance these properties with the benefits of fast-drying due to the inherently limited storage-periods exhibited by the paints, so that fast-drying also complicates their formulation. May be required. Moreover, road marking paints may need to be applied to other conditions due to road stability, as compared to the typical case where building paints are applied. For example, road marking paints may be applied over temperature ranges and humidity changes above 0 ° C. to above 40 ° C. Moreover, shortly after the road-marking paint is applied, it is exposed to harsh conditions such as severe traffic and worsening unexpected weather conditions.
[6] Accordingly, there is a need for road-marking paints that can be used at the time of application under ambient conditions, including temperature, humidity, traffic volume, as well as other benefits provided by delayed production differentiation.
[1] The present invention relates to a prepaint set, a method for producing a road-marking paint line from a prepaint set and a method for producing a road-marking paint range from a prepaint set.
[7] Paint manufacturers and sellers typically provide a paint range, which includes at least two paint lines. As used herein, a "range comprising at least two paint lines" is defined as a first paint line defined by a level of observable properties selected to distinguish paint within the paint range. This means that it is combined with a second paint line which is limited to the level of observable properties chosen to distinguish. For example, to produce a paint range containing four paint lines, the production of a paint comprising four gloss levels, four color shade bases, two areas of use-interior and exterior and three quality levels. And preferably all formulations, meaning 96 different paint formulations (4x4x2x3). However, particularly limited paints, selected for example for reasons of up to 10-60% of the total number of pigments for commercial reasons, are also included in the paint range. Furthermore, although not precisely, paint ranges may be intended where the observable properties of the substantially dried paint film meet the requirements set forth herein, e.g., for dry exteriors distinguished by standard, rain and premium lines. The gloss of a mid-tone gloss paint can be modified in several ways within the scope of the paint range of the invention.
[8] As used herein, a "paint line" includes at least two different paints in which at least one observable property, such as color and exterior durability, provides dry film properties that are substantially different from each other.
[9] If the paint is prepared by mixing a prepaint that does not exhibit colloidal destabilization such as flocculation, the prepaint, as used herein, is "intermixable". Preferably, not only the prepaint, but also the paint made from the prepaint, has a residue of 5 g or less, more preferably less than 1 g of gel and grit, per liter of paint when the paint passes through a 200 mesh screen. The residue is 1 g or less.
[10] The present invention provides a set of different but intermixable fluid prepaints sufficient to be blended into at least one paint line useful for road marking applications. The prepaint comprises at least one fluid prepaint comprising at least one opaque pigment, at least one fluid prepaint comprising at least one extender pigment and at least one fluid prepaint comprising at least one polymer binder. do. Preferably the number of prepaints is 3-15.
[11] There is also provided a method of manufacturing at least one paint line useful for road marking applications.
[12] (a) (iii) at least one opaque prepaint comprising at least one opaque pigment; (Ii) at least one extender precoat comprising at least one extender pigment; And (iii) at least one binder prepaint comprising at least one polymeric binder; providing a different but mutually compatible set of fluid prepaints sufficient to blend at least one paint line comprising; And
[13] (b) dispensing a predetermined amount of each prepaint in a container or applicator to form a paint line;
[14] It includes.
[15] Furthermore, a method of manufacturing a range of paints is provided, the range comprising at least two paint lines useful for road marking applications.
[16] (a) (iii) at least one opaque prepaint comprising at least one opaque pigment; (Ii) at least one extender precoat comprising at least one extender pigment; (Iii) at least one binder prepaint comprising at least one polymeric binder; And (iii) at least one additional other prepaint selected from the group consisting of prepaints (iii), (ii) and (iii). Providing a set of possible fluid prepaints; And
[17] (b) dispensing each prepaint in a container or applicator in a predetermined amount to form a paint;
[18] It includes. The total number of prepaints is preferably 4-15.
[19] The method may further comprise mixing the prepaint before or during the administration of the prepaint in the container, or before or during the administration of the prepaint in the applicator.
[20] In another implementation, this object is achieved by using a different but intermixable fluid prepaint set sufficient to blend at least one paint line useful for road marking applications. The set includes (i) at least one opaque / binder prepaint comprising at least one opaque pigment and at least one polymeric binder; And (ii) at least one extender precoat comprising at least one extender pigment. The number of prepaints is preferably 2-15, and there is also provided a method of forming at least one paint line useful for road marking applications.
[21] (a) (iii) at least one opaque binder prepaint comprising at least one opaque pigment and at least one polymeric binder; And (ii) at least one paint line comprising at least one extender / binder prepaint comprising at least one extender pigment and at least one polymeric binder. Doing; And
[22] (b) dispensing a predetermined amount of each prepaint in a container or applicator to form a paint line;
[23] It includes.
[24] A method of making a paint range is provided. The range includes at least two paint lines useful for road marking applications. The method is
[25] (a) (I) at least one opaque / binder prepaint comprising at least one opaque pigment and at least one polymeric binder; (II) at least one extender prepaint comprising at least one extender pigment; And (III) at least one additional other opaque / binder pre-coat or one extender pre-coat selected from (I) or (II); different but mutually compatible enough to blend a range of road-marking paints. Providing a set of possible fluid prepaints; And
[26] (b) dispensing a predetermined amount of each prepaint in a container or applicator to form a paint range;
[27] It includes.
[28] The method may further comprise mixing the prepaint before or during the administration of the prepaint in the container, or before or during the administration of the prepaint in the applicator. The total number of prepaints is preferably 3-15.
[29] Further, the method may be used to determine the viscosity of a prepaint administered with a thickening agent, water or a mixture thereof during or after administration of the prepaint before or during the administration of the prepaint, or during administration. And adjusting. This method can be done at the paint manufacturing facility, at the point of sale or at the point of use, and can be computer controlled.
[30] Additives may be used to apply road-marking paints or to enhance the final performance characteristics of road-marking paints. Furthermore, at least one colorant, typically white or yellow, may be added to the administered prepaint. In addition, the opaque prepaint may further comprise at least one colorant. The colorant is preferably white or yellow.
[31] The prepaint may include a polymer binder which is a latex polymer. They may further comprise at least one quick-setting fluid prepaint. In addition, the prepaint set may contain a polymeric binder which is a fast drying binder. In addition, the fast-drying component may be added as a separate component. Moreover, combinations of these may be used.
[32] One or more paint lines may be manufactured. The paint lines comprise two or more different paints whose dry films differ substantially from each other in at least one observable property.
[33] If only one paint line is required, i.e. one important property is changed (e.g. gloss level, hue base, application type or quality type), the complete (finished) paint line is each one opaque prepaint (Iii), extender precoat (ii) and binder precoat (iii) or one opaque / binder prepaint (I) and prepaint extender (II) respectively.
[34] If a paint range containing two paint lines is required, i.e. two important properties are changed (e.g. two selected from gloss level, color tone base, application type or quality type), the paint can be changed according to the important properties which are changed. The range consists of at least one respective opaque precoat (iii), extender precoat (ii) and binder precoat (iii) and opaque precoat (iii), extender precoat (ii) and binder precoat (iii) At least one additional preparative paint selected from the group in question; And opaque / binder (I), at least one preparatory paint (I), extender prepaint (II) and opaque / binder prepaint I and extender prepaint II according to the important properties being changed. It may be prepared from at least one additional preparative paint.
[35] "Additional other prepaints" selected from prepaints (iii), (ii) and (iii) or "additional other prepaints" selected from prepaints (I) and (II), respectively; Ii) means (i) or (I) and (II) and other preparatory paints, but also with respect to the prepaints (iii), (ii) and (iii) or prepaints (I) and (II). To satisfy.
[36] If a paint range containing three paint lines is required, i.e. three important properties are changed (e.g. three selected from gloss level, color tone base, application type or quality type), depending on the important properties being changed, The paint range shall be at least one respective opaque prepaint (ii), extender precoat (ii) and binder prepaint (iii) and opaque prepaint (iii), extender prepaint (ii) and binder depending on the important properties being changed. At least two additional preparative paints selected from prepaints (iii); Or from at least two additional prepaints selected from the group consisting of opaque / binder prepaints (I), extender prepaints (II) and prepaints I and II. have.
[37] If a paint range containing four paint lines is required, i.e. four important properties are changed (e.g. gloss level, color tone base, application type and quality type), then the complete (finished) material properties change. Therefore, the paint range is from the group consisting of at least one respective opaque precoat (iv), extender precoat (ii), binder precoat (iii) and prepaint (iii), (ii) and (iii). At least three additional additional prepaints selected; Or opaque / binder prepaint (I), extender prepaint (II) and at least one additional prepaint selected from the group consisting of prepaints I and II depending on the important properties being changed.
[38] The above described techniques can be repeated to change many of the additional important properties needed.
[39] Pigment volume concentration (hereinafter “PVC”) is a measure of how a “binder-rich” blend is achieved. This is calculated as:
[40]
[41] The solids volume content (hereinafter "VS") is the sum of the dry volume of the pigment (s) and the dry volume of the extender (s) and the dry volume of the binder (s). This is calculated as:
[42]
[43] If additives are present, these volumes are not included in the determination of the total dry volume. In each of the above embodiments, the prepaints provide their wide range of compounding spaces, and therefore the properties of the desired final paint are chosen to fall within the mixed space when the prepaint is defined as a limit. In many cases, the prepaint itself is not actually a usable paint. However, by allowing the prepaint to reach this limit, it is possible to maximize the mixing space available for the paint line. If the prepaints, additives and colorants are fully miscible, they can be mixed in the desired proportion so that the colloidal instability is not induced and the desired paint line (s) and paint range are achieved.
[44] This technique is similar to the design principles used for statistical test design and mixture component design analysis; However, rather than designing the mixing space beyond the range of the response surface, the boundary of the mixing space is designed to maximize the flexibility of the paint system. The intercompatibility of each prepaint component and the prepaint across the mixture space is important.
[45] The properties of the paint can be predicted from various aspects. One method is to develop a response to the surface model of the mixing space using standard mixture component test design statistical means. These simple statistical models can then be used as an optimal program according to linear equations, massive grid search or graphical analysis. Another attempt is a simple use test that determines what mixtures are required for a particular paint line and then adds this simple test method to the paint maker software.
[46] Technology can be extended by conducting automated preliminary testing of paint equipment for certain important properties (eg viscosity, drying speed, opacity or color) and by making fine adjustments during the formulation of the paint from the prepaint. The feedback loop in the paint machine allows the target viscosity, drying rate, opacity and color to match more accurately.
[47] In order to enhance the properties of certain paints, colorants and optional additives are included in the prepaint, and if the additives and / or colorants are fully miscible, i.e. they can be mixed in any proportion without colloidal instability, It can be mixed in any combination in the formulation space category required to achieve the desired profile. However, it is sufficient that the colorant and any additives are miscible. That is, they can be mixed in the desired proportion to achieve the desired property profile within the paint range without destabilizing the colloidal phase.
[48] As used herein, a "miscible paint component" can be blended with various prepaints, the paints formed from the prepaints providing the properties of the amount of ingredients used.
[49] Preferably all fluid prepaints used in the process of the invention have the same or similar viscosity. This helps with mixing. Viscosity changes in the final paint are expected to be reduced because the components in the prepaint are allowed to equilibrate beforehand.
[50] The prepaint is formulated to maximize flexibility in the manufacture of the paint. Rather than purchasing individual paint components, paint manufacturers and even consumers (paint shops, paint shops and contractors) may purchase a set of prepaints necessary to manufacture the desired paint range, upon sale and use. Each of these sets of prepaints may contain at least one opaque prepaint, extender prepaint and binder prepaint and additional prepaints possible depending on the desired flexible formulation. Optionally, the prepaint may be mixed with an additional prepaint comprising at least one colorant, such as a pigmented pigment or dye.
[51] The process of the present invention is not limited to producing only the latex paint itself, but includes water-borne or solvent-borne or sealants, coke, mastics, adhesives and other building-related products. It can be extended to the production of related building-related products that require mixing of the components.
[52] In one embodiment, the prepaint is a fluid titanium dioxide prepaint comprising at least one titanium dioxide opaque pigment, at least one dispersant, at least one thickener and water. The prepaint and other optional paint components are mutually compatible with each other in the final paint. The prepaint has a volume solids content of about 30-80%, preferably about 40-65%, and a Stormer viscosity of about 50-250 KU, preferably about 60-150 KU. Preferably, the prepaint is stable against precipitation. That is, the pigment does not precipitate after 10 days at 25 ℃.
[53] In another embodiment, the prepaint is a fluid titanium dioxide prepaint useful for blending colored latex paint containing other paint ingredients in a single pack. The prepaint includes at least one opaque pigment, at least one dispersant, at least one thickener, at least one film-forming or nonfilm-forming polymeric binder and water. The prepaint components are compatible with each other and with any other paint components. The precoat has a volume solids content of about 30-80%, preferably about 40-65%, PVC about 35-100%, preferably about 45-100% and Stormer viscosity about 50-250 KU, preferably Is about 60 to about 150 KU. Preferably, the prepaint is stable against precipitation. That is, it does not precipitate after 10 days at 25 ℃. Optionally, the polymeric binder is adsorbed onto the titanium dioxide opaque pigment and other present opaque agents.
[54] In one embodiment of the prepaint, the pigment, the extender, the prepaint comprises at least one inorganic extender, at least one thickener, optional polymeric binder, and water. The precoat has a volume solids content of about 30-80%, preferably about 40-70%, PVC about 35-100%, preferably about 40-100% and Stormer viscosity about 50-250 KU, preferably Is about 60 to about 150 KU. The prepaint components are compatible with each other and with other prepaint components and must be compatible with the components of other prepaints that need to be used.
[55] In one embodiment of the extender prepaint (II), the fluid pigment extender prepaint comprises at least one inorganic extender, at least one thickener, a polymeric binder, and water. The precoat has a volume solids content of about 30-80%, preferably about 40-70%, PVC about 35-100%, preferably about 40-100% and Stormer viscosity about 50-250 KU, preferably Is about 60 to about 150 KU. The prepaint components are compatible with each other and with other prepaint components and must be compatible with the components of other prepaints that need to be used.
[56] In one embodiment, the fluid latex polymer binder prepaint comprises an aqueous latex polymer binder and water having a Tg of about −30 to 70 ° C., preferably about −10 to 60 ° C. The binder prepaint has a volume solids content of about 25 to 70%, preferably about 30 to 65%, a Brookfield viscosity of less than about 100,000 cps, preferably about 100 to 50,000 cps, and a shear rate of 1.25 reciprocal. seconds). The prepaint components are compatible with each other and with other prepaint components and must be compatible with the components of other prepaints that need to be used.
[57] In embodiments in which prepaints I, II, X, II and X are used, conventional additives, acids, bases, antifoams, coalescing agents, cosolvents, dispersion resins, mildewcides, biocides, cryoprotectants And durability enhancers (including epoxides, aqueous isocyanates and silanes miscible or emulsifiable with water) and the like, may be included in small amounts, ie less than about 20% by weight, based on the total weight of the paint. These additives must be compatible with the other paint components in the prepaint and with other prepaints used in the process of the invention. Moreover, if a durability enhancer is used, the road-marking paint has a shelf life of less than about 8 hours, and therefore needs to be applied within such time.
[58] Opaque pigments useful in the present invention include white pigments that impart white scattering ability to the paint over visible wavelengths without high adsorption. Pigment extenders are inorganic solids or opaque polymers that may have a secondary effect on their properties but do not impart a major color or hiding power to the paint. Tint bases typically used in dark tone paints contain no opaque pigments or contain very low levels.
[59] Suitable opaque pigments include combinations of supplemental masking pigments such as titanium dioxide (TiO ₂ ) or latex polymer particles having pores with titanium dioxide, zinc oxide, lead oxide, synthetic polymer pigments and mixtures thereof. Rutile and anatease grade titanium dioxide are suitable for use in the present invention. Rutile titanium dioxide is preferred. The surface of these titanium dioxides can be treated with various organic surface treatments and / or inorganic surface treatments such as silica, alumina and zirconia oxides. Fumed titanium oxide is also useful in the present invention.
[60] Latex particles having pores useful in the present invention have a particle size diameter of about 100 to 2,500 nm, preferably 500 to 1,100 nm and a pore fraction of about 10 to 75%. Latex particles with voids may have at least one void, but may have several voids, non-spherical voids, interconnected voids, voids with paths connected to the outside of the particles, and other structures such as vesicles and sponges. Preferably, the latex particles having the voids have a single void. The glass transition temperature (Tg) of the latex particles having pores measured at 20 ° C./min with a differential scanning calorimeter is at least about 20 ° C., preferably at least about 50 ° C. The higher the glass transition temperature, the harder the particles are and the more they do not collapse. When the latex particles with voids collapse, they cannot provide hiding power. Latex particles with voids are US-A-3,784,391, US-A-4,798,691, US-A-4,908,271, US-A-4,972,000, US-A-5,041,464, US-A-5,157,084, US-A-5,216,044 and US- 6,020,435 as well as known in the art, such as those described in Japanese patent applications 60 / 223,873, 61/62510, 61/66710 /, 61/86941, 62/127336, 62/156387, 01/185311 and 02/140272 Can be prepared according to conventional polymerization methods. Preferably, the latex particles with voids are prepared according to US-A-4,427,836, US-A-4,469,825, US-A-4,594,363, US-A-4,880,842, US-A-5,494,971 and US-A-6,020,435.
[61] Extender pigments are inexpensive, do not dissolve in water and have a low absorption number. Extender pigment dispersions used in road marking paints are optimized for viscosity, brightness and low cost. Suitable extender pigments include barium sulphate (about 1-15 microns), Blanc Fixe (about 0.5-5 microns), calcium carbonate (about 0.05-35 microns), silica (about 0.001-14 microns), magnesium Silicates (about 0.5-15 microns), aluminum silicates (about 0.2-5 microns), mica, bentonite, magnesium alumino-silicates, fumed alumina, colloidal attapulgite, synthetic amorphous sodium alumino- Silicates, sodium potassium alumino-silicates, combinations thereof, and the like. Glass, ceramic, polymeric beads or microspheres and combinations thereof may also be used.
[62] Latex polymer binders are primarily polymers or prepolymers that form a paint film. The binder combines pigments and / or extenders, provides the required paint flow and determines the durability and drying properties of the final paint film. The binder selected for the prepaint may depend on the end use of the paint to be formulated. Binders which can be quick-setting or non-quick-setting and which are quick-drying within the slowest setting time and the fastest drying time range should be used and are preferred. For example, when the paint is applied on a wet day or rainy day, it is preferable to include a fast-drying binder, but it is not preferable in terms of cost when the paint is applied on a dry day.
[63] (1) separating the component / component being quick-setting ("quick-drying component") from the component / component forming a binder as a separate preliminary road;
[64] (2) separating the components / components ("quick-drying components") that are quick-setting from the components / components forming the binder into a separate prepaint;
[65] (3) using a quick-drying binder in the binder prepaint (if the fast-drying binder does not require a separate quick-drying component);
[66] (4) adding a quick-drying ingredient which is separated from any prepaint; And
[67] (5) in combinations of these,
[68] It is within the scope of the present invention to use both binder types in the system.
[69] In the process of the present invention, the fast-drying ingredient is added as a separate ingredient or prepaint as described in Example 4 below. By controlling the presence and level of fast-drying ingredients or fast-drying binders, it is possible to precisely "dial-in" the desired formulation depending on cost and environmental conditions.
[70] As used herein, the term “fast drying” refers to a coating having a drying time of up to about 10 minutes, in certain cases by a modified ASTM D1640 drying time test. The test used is analogous to ASTM D1640, a standard test for measuring the drying of organic coatings at room temperature, wherein the test film is a non-porous substrate (eg, glass) by any suitable means to achieve a wet film thickness of 0.012 +/- 0.001 inch. Plate or metal panel). The ASTM test method is a variation and only minimal thumb pressure is applied. The thumb is rotated at a 90 ° angle in contact with the test film. The drying time that does not break the film due to this rotation is recorded.
[71] The number of these quick-drying binder systems is known in the art. Suitable fast-drying systems (where fast-dry binders or ingredients are used) include, but are not limited to:
[72] (a) non-protonated or partially protonated polyamine functional polymers and polyamine functional polymers formed of anionically-stabilized polymers, amines or imine monomers (fast-drying components) having a Tg of at least about -10 ° C An aqueous dispersion comprising an amount of volatile base sufficient to deprotonate the conjugated acid;
[73] (b) an aqueous comprising a polyamine functional polymer that is a latex polymer having a pendant amine-functional group and a Tg of at least about -10 ° C. and an amount of volatile base sufficient to deprotonate the conjugated acid of the polyamine functional polymer. Dispersions;
[74] (c) having a pendant amine-functional group and a pendant acid-functional group, wherein the ratio of amine-functional group to acid-functional group is greater than about 3 to 1 and the polymer has a Tg of at least about −10 ° C. and a pendant acid-functional group (ie, a fast-dry binder) Or an aqueous dispersion comprising a polyamine functional polymer which is a latex polymer having component) and an amount of volatile base sufficient to deprotonate the conjugated acid of said polyamine functional polymer;
[75] (d) polyamine functionality, which is a latex polymer having a pendant acid-functional group (i.e., fast-drying component) with a Tg of at least about -10 ° C and having a pendant amine-functional group (i.e., fast-drying component) and having a Tg of at least about -10 <0> C. An aqueous dispersion comprising a polymer and an amount of volatile base sufficient to deprotonate the conjugated acid of the polyamine functional polymer;
[76] (e) Tg is at least about −10 ° C. and (a) alkyl esters of acrylic or methacrylic acid (alkyl esters are C 1 -C 18 alkyl esters); (b) about 0.1 to 5% by weight of at least one secondary or tertiary aminoacrylate monomer or secondary or tertiary aminomethacrylate monomer, based on an acrylic or methacryl film forming polymer and (c) acrylic or methacryl A polymerizable monomer comprising from about 0.1 to 5% by weight of a crosslinkable monomer selected from the group consisting of acrylamide, methacrylamide and N-alkylol acrylamide based on the film forming polymer; Aqueous emulsions containing polyamine functional polymers (ie, quick-drying binders or components) containing less than 3% by weight of hydrophilic monomers incorporated therein based on the weight of the film-forming polymer and the conjugated acids of the polyamine functional polymers An aqueous dispersion comprising a volatile base in an amount sufficient to deprotonate it;
[77] (f) A composition comprising an aqueous dispersion comprising a polymer having a pendant strong cation group (ie, a fast drying component) having a Tg of at least about -10 ° C. Wherein the aquatic product comprises a polymer equal to or greater than the pendant weak acid group with a Tg of about −10 ° C. or more;
[78] (g) an aqueous product comprising a polymer having a Tg of at least about −10 ° C. and having both pendant strong cation groups and pendant weak acid groups (fast-dry binder).
[79] Suitable polymer binders include, but are not limited to, acrylic and / or methacryl, poly, optionally containing up to 10% by weight of functional monomers, such as functional groups such as carboxylic acids, phosphates, sulfates, sulfonates, amides, etc., and combinations thereof. Vinyl acetate, styrene-acrylic, styrene-butadiene, vinyl acetate-acrylic, ethylene vinyl acetate, vinyl acetate-vinyl versatate, vinyl acetate-vinyl maleate, vinyl acetate-vinyl chloride-acrylic, ethylene-vinyl acetate -Latex polymers such as homopolymers, copolymers or terpolymers such as acrylic and urethane polymers. Polymer binders optionally incorporated into other prepaints and other prepaints selected from opaque precoats and extender precoats (ii) and (iii) and (ii) precoats are polymers incorporated into binder precoats. It can be the same as or different from the binder. Likewise, the opaque / binder prepaint I and the extender prepaints II and other precoats selected from I and II or the polymeric binder incorporated in other prepaints may be the same or different. Other binders such as mixtures with alkyd and chlorinated rubbers, solvent soluble thermoplastic acrylics, unsaturated polyesters, 2-part epoxides and the like can be included in the prepigments.
[80] Thickener is generally used to describe any substance that is added to the paint to control the rheology profile. Preferred thickeners are associative thickeners. Thickeners suitable for use in the present invention include polyvinyl alcohol (PVA), hydrophobically-modified, alkali-soluble emulsions known in the art as HASE emulsions, alkali-soluble or alkali-known in the art as ASE emulsions. Swellable emulsions, hydrophobically-modified ethylene oxide-urethane polymers known in the art as HEUR thickeners and hydroxymethyl cellulose (HMC), hydroxyethyl cellulose (HEC), hydrophobically-modified hydroxy ethyl cellulose (HMHEC) , Sodium carboxymethyl cellulose (SCMC), sodium carboxymethyl 2-hydroxyethyl cellulose, 2-hydroxypropyl methyl cellulose, 2-hydroxyethyl methyl cellulose, 2-hydroxybutyl methyl cellulose, 2-hydroxyethyl ethyl cellulose Cellulose thickeners such as 2-hydroxypropyl cellulose and the like. Also useful as thickening agents are fumed silica, attapulgite clays and other types of clays, titanate chelating agents and the like.
[81] Dispersants suitable for use in the present invention include 2-amino 2-methyl 1-propanol (AMP), dimethyl amino ethanol (DMAE), potassium tripolyphosphate (KTPP), trisodium polyphosphate (TSPP), citric acid and other carboxylic acids. Such non-ionic, anionic and cationic dispersants. Also suitable for use as dispersants are hydrophobic- or hydrophilic modified polyacrylic acids modified with various monomers such as styrene, acrylate or methacrylate esters, diisobutylene and other hydrophilic or hydrophobic comonomers. Or anionic polymers such as homopolymers and copolymers based on polycarboxylic acids including polymethacrylic acid or maleic anhydride. Also included are salts of the aforementioned polymers and mixtures of these dispersants.
[82] Suitable defoamers include silicone-based and mineral oil based defoamers and the like.
[83] Solvent free latex polymer binders do not require binders when used as binder prepaints. Solvent free binders typically have low Tg and low lowest film-forming temperatures, thus they form films at ambient temperatures such as 20 ° C. If a binder is required, it is preferably incorporated into a binder prepaint and any other prepaint containing a latex polymer binder. Suitable binders, plasticizers and other optional solvents include ethylene glycol, propylene glycol, hexylene glycol, 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate (TEXANOL ™), glycol ethers, inorganic spirits ( mineral spirits), methyl carbitol, butyl carbitol, phthalate, adipate, and the like.
[84] Suitable fungicides and biocides include zinc oxide, isothiazolone, triazole and the like.
[85] Suitable surfactants include cationic surfactants, anionic surfactants and nonionic surfactants.
[86] As used herein, the term “road” is used in general terms and includes indoor or outdoor solid surfaces that can be exposed or exposed continuously or intermittently to pedestrians, moving vehicles, tractors or aircraft. Non-limiting examples of "roads" include highways, streets, differential roads, sidewalks, driveways, taxiing areas, runways, parking areas, rooftops, indoor floors (such as factories or shopping malls). It includes a surface. Surface materials may be stone, tar, asphalt, resin, concrete, plaster, stone, plaster, tile, wood, plastic materials, metals (such as aluminum, stainless steel or carbon steel) and combinations thereof. have. These substrates may all have one or more new or aged already existing coating layers.
[87] Road-marking paints may be applied to the surface in any of a number of ways known to those skilled in the art, including but not limited to spraying, rolling, brushing, extrusion, and combinations thereof.
[88] Any prepaint may optionally contain absorbers that accelerate the drying of the road-marking paint, which is added to the prepaint within a time frame that allows the paint to be applied. By adding an absorbent to the prepaint, the viscosity increases rapidly, which can make application difficult or impossible. Thus, the absorbent must be added just before application to the paint surface. Moreover, the absorbent may be added separately. Suitable absorbents include organic superabsorbent polymers, ion exchange resins, pupil spherical polymers, molecular sieves, talc, inorganic superabsorbent gels and Sumica gels, inorganic absorbents such as porous and nonporous carbonaceous materials, encapsulated alkali-swellable polymers and these It contains a mixture of. The level of absorbent used ranges from about 0.01 to about 99 weight percent, preferably from about 0.1 to about 70 weight percent, more preferably from about 1 to about 30 weight percent, based on the total weight of the latex polymer in the final paint.
[89] Delays in the production of road marking paints can be particularly beneficial when techniques are used to accelerate the drying of the paint. Such techniques include the addition of any additives, such as absorbents to accelerate the drying of road-marking paints, or the use of reactive components to crosslink / cure or "quick-set" as defined herein. do. Such systems have a limited shelf life and should be used immediately after manufacture, so combining road-marking paints in use provides improved manufacturing techniques. The paint is used immediately after blending, which makes the use of such a technique more realistic. This is further improved by producing road marking paints in the applicator immediately before or during the application of road marking paints. By producing in an applicator such as mounted on the back of a vehicle used for road stripping, the general problems associated with the use of quick-drying paint systems are eliminated. That is, it provides fast drying, but after the quick drying is activated (ie mixed or added), there is no problem of destabilization or rapid absorption of water, which requires the application of the paint in a very short time (eg, several minutes to several hours).
[90] Such quick drying systems have very short drying times on the road and / or form high durability markings. To blend the paint in the applicator, the prepaint, the pump and the applicator are advantageously mounted on the vehicle and then applied to the marking.
[91] Crosslinking of the aqueous road-marking paint can be achieved by adding water-miscible or emulsified epoxides, aqueous isocyanates, silanes and the like. The fast-dry binder system described herein also exhibits a crosslinking or curing type (ie, ionic), the use of which is beneficial to the delay of the paint production in use. This allows quick-drying ingredients with very limited shelf life to be used for road marking paints. For example, polyamines with pKa that form little protonated amines that result in deprotonation and form protonated amines are poorly stable but dry very quickly on roads. Such quick-drying and crosslinking systems are beneficial for paint production delays up to and including the manufacture of paints in applicators due to their short shelf life.
[92] The prepaints of the present invention enable the production of final road-marking paints in many applications other than conventional paint manufacturing equipment, and include points of use such as on-line vehicle painting or work points, dealers, government transport facilities and points of sale. (Eg, in a manufacturer's retail store or wholesale building-product facility).
[93] In order to minimize the number of paint components required for the manufacture of the road-marking paint range, the limits of the critical properties required for the paint range must be taken into account, and then the critical properties required at the intermediate points as well as the limits are to be taken into account. To provide premixes which can be mixed in various formulations and amounts to provide. Certain properties can also be enhanced by adding paint additives that enhance the desired physical properties.
[94] All ranges disclosed herein are included and the minimum and maximum values of these ranges are combinable.
[95] Example 1
[96] The following components were mixed to form a white opaque prepaint with 50.8% PVC, VS 57.43% and 79.0% solids weight:
[97] Component Amount (lbs./100 gallons) Opaque Pigment-TiO2 1000.0 (TiPure R-900, EI DuPont and Company, Wilmington, DE) Dispersant-Tamol 901 30% 28.0 (Rohm and Haas Company, Philadelphia, PA) Wetting Aid -Surfynol CT 136 12.0 (Air Products, Inc., Allentown, PA) Defoamer-Drew L-493 10.0 (Drew Chemical Company, Kearny, NJ) Acrylic Emulsion Polymer Binder 50% Solids (Rhoplex AC-630, 532.7 (Rohm and Haas Company, Binder-Texanol (Eastman Chemical, Kings Prot, TN) 20.0 Water 14.2 Ammonium Hydroxide (28% NH3) 6.0 HEUR Thickener-Acrysol SCT-275 1.5 (Rohm and Haas Company, Philadelphia, PA)
[98] The prepigments were prepared using an experimental mixer with 45 ° pitch stirring blades. The binder, water, dispersant, wetting aid and antifoaming agent were combined and mixed. The titanium dioxide was slowly added and the mixture was stirred for 15-20 minutes. Thereafter, a binder, thickener, ammonium hydroxide and, if necessary, additional water are added.
[99] Example 2
[100] The following ingredients were mixed to form a yellow opaque pigment prepaint with 51.7% PVC, 57.7% VS and 67.5% solids weight:
[101] Component Amount (lbs./100 gallons) Opaque Pigment-TiO2 181.8 (TiPure R-900, EI DuPont and Company, Wilmington, DE) Yellow Pigment-Hansa Yellow (Engelhard Corp., New Jersey) 291.0 Wetting Aid-Surfynol CT 136 10.9 (Air Products, Inc., Allentown, PA) Dispersant-Tamol 901 30% 26.0 (Rohm and Haas Company, Philadelphia, PA) Antifoam-Drew L-493 9.1 (Drew Chemical Company, Kearny, NJ) Acrylic Emulsion Binder 50% Solids (Rhoplex AC-630) 552.4 (Rohm and Haas Company, Philadelphia, PA) Binder-Texanol (Eastman Chemical, Kings Prot, TN) 20.9 Water 18.8 Ammonium Hydroxide (28% NH3) 5.4HEUR Thickener-Acrysol SCT-275 1.4 (Rohm and Haas Company, Philadelphia, PA)
[102] The prepigments were prepared using an experimental mixer with 45 ° pitch stirring blades. The binder, water, dispersant, wetting aid and antifoaming agent were combined and mixed. The titanium dioxide and yellow pigment were added slowly and the mixture was stirred for 15-20 minutes. Thereafter, a binder, thickener, ammonium hydroxide and, if necessary, additional water are added.
[103] Example 3
[104] The following ingredients were mixed to form a extender pigment prepaint with 61.0% PVC, VS 61.4% and 77.4% solids weight:
[105] Ingredients (lbs./100 gallons) Calcium Carbonate Extender-Omyacarb 5 845.1 (Omya, Proctor, VT) Dispersant-Tamol 901 30% 4.9 (Rohm and Haas Company, Philadelphia, PA) Wetting Aid-Surfynol CT 136 1.8 (Air Products , Inc., Allentown, PA) Defoamer-Drew L-493 5.0 (Drew Chemical Company, Kearny, NJ) Acrylic Binder-(Rhoplex AC-630, 50% solids) 452.0 (Rohm and Haas Company, Philadelphia, PA) Methanol 33.3 Adhesion-Texanol (Eastman Chemical, Kings Prot, TN) 23.3 Water 14.0 Ammonium Hydroxide (28% NH3) 3.7 HEUR Thickener-Acrysol SCT-275 0.2 (Rohm and Haas Company, Philadelphia, PA)
[106] The prepigments were prepared using an experimental mixer with 45 ° pitch stirring blades. The binder, water, dispersant, wetting aid and antifoaming agent were combined and mixed. The extender pigment was added slowly and the mixture was stirred for 15-20 minutes. Then methanol, binder, thickener, ammonium hydroxide and, if necessary, additional water are added.
[107] Example 4
[108] The following ingredients were mixed to form a rapidly drying polyamine prepaint. This was 0% PVC, VS 27.4% and 28.8% solids weight.
[109] Component Amount (lbs./100 gallons) Polyamine (29.8%) ^* 837.54 Water 12.5 Methanol 20.0 * As described in Example 3 of US 6,013,721.
[110] Example 5
[111] White road-marking paints were prepared by combining the prepaints described above in the following manner:
[112] Paint numberPreliminary Paint (lbs.)water White Extender Polyamine (Example 1) (Example 3) (Example 4) 5-15-25-35-45-55-6160.44 1244.88 -112.31 1286.38 -160.44 1244.88 8.0112.31 1286.38 8.0160.44 1244.88 16.0112.31 1286.38 16.015.415.47.77.7--
[113] The resulting paint has the following characteristics:
[114] Paint numberPaint properties PVC (%) VS (%) WS (%) 5-15-25-35-45-55-660.0 60.0 76.760.3 60.0 76.760.0 60.1 76.960.3 60.1 76.960.0 60.2 77.160.3 60.2 77.1
[115] Paint number 5-1 is a white traffic paint that dries more slowly. Paint number 5-2 is a cheaper, slower drying white traffic paint. Paint number 5-3 is a white traffic paint that dries quickly. Paint numbers 5-4 are cheaper and faster drying white traffic paints. Paint numbers 5-5 are white traffic paints that dry faster. Paint numbers 5-6 are cheaper and faster drying white paints.
[116] Example 6
[117] Yellow road-marking paints were prepared by combining the prepaints described above in the following manner:
[118] Paint numberPreliminary Paint (lbs.)water Yellow Extender Polyamine (Example 2) (Example 3) (Example 4) 6-16-26-36-46-56-6119.98 1231.05 -76.35 1286.38 -119.98 1231.05 8.076.35 1286.38 8.0119.98 1231.05 16.076.35 1286.38 16.015.415.47.77.7--
[119] The resulting paint has the following characteristics:
[120] Paint numberPaint properties PVC (%) VS (%) WS (%) 6-16-26-36-46-56-660.0 60.0 75.760.3 60.0 76.060.0 60.1 75.960.3 60.1 76.260.0 60.2 76.160.3 60.2 76.4
[121] Paint number 6-1 is a yellow traffic paint that dries more slowly. Paint number 6-2 is a cheaper, slower, yellow traffic paint. Paint number 6-3 is a yellow traffic paint that dries quickly. Paint numbers 6-4 are yellow traffic paints that are cheaper and dry faster. Paint number 6-5 is a yellow traffic paint that dries faster. Paint numbers 6-6 are yellow traffic paints that are cheaper and dry faster.

权利要求:
Claims (36)
[1" claim-type="Currently amended] (Iii) at least one opaque prepaint comprising at least one white opaque pigment; (Ii) at least one extender precoat comprising at least one extender pigment; And
(Iii) at least one binder prepaint comprising at least one polymeric binder;
And wherein the prepaint is sufficient to form at least one road-marking paint line.
[2" claim-type="Currently amended] (I) at least one opaque / binder prepaint comprising at least one white opaque pigment and at least one polymeric binder; And
(II) at least one extender / binder prepaint comprising at least one extender pigment and at least one polymeric binder;
And wherein the prepaint is sufficient to form at least one road-marking paint line.
[3" claim-type="Currently amended] 3. A prepaint set according to claim 1 or 2, further comprising at least one fluid prepaint comprising a quick-setting component.
[4" claim-type="Currently amended] 2. The prepaint set according to claim 1, wherein the prepaint further comprises a quick-setting component.
[5" claim-type="Currently amended] The prepaint set according to claim 1 or 2, wherein the polymer binder is a quick-setting binder.
[6" claim-type="Currently amended] 3. The prepaint set according to claim 1 or 2, wherein the polymer binder is a latex polymer.
[7" claim-type="Currently amended] 3. The prepaint set according to claim 1 or 2, wherein the number of said prepaints is 3-15.
[8" claim-type="Currently amended] 3. A prepaint set according to claim 1 or 2, wherein the opaque prepaint further comprises at least one colorant.
[9" claim-type="Currently amended] 9. The prepaint set according to claim 8, wherein the colorant is white or yellow.
[10" claim-type="Currently amended] (a) (iii) at least one opaque prepaint comprising at least one white opaque pigment;
(Ii) at least one extender precoat comprising at least one extender pigment; And
(Iii) at least one fluid binder prepaint comprising at least one polymeric binder;
Providing a different but mutually compatible fluid prepaint set including; And
(b) dispensing a predetermined amount of each prepaint in a container or applicator to form a road-marking paint line;
At least one road-marking paint line manufacturing method comprising a.
[11" claim-type="Currently amended] (a) (iii) at least one opaque prepaint comprising at least one white opaque pigment;
(Ii) at least one extender precoat comprising at least one extender pigment;
(Iii) at least one binder prepaint comprising at least one polymeric binder; And
(Iii) at least one additional other fluid prepaint selected from the group consisting of prepaints (iii), (ii) and (iii);
Providing a different but mutually compatible set of fluid prepaints sufficient to blend at least two paint lines comprising; And
(b) administering a predetermined amount of each prepaint in a container or applicator to form a road-marking paint line;
Road-marking paint range manufacturing method comprising at least two paint lines comprising a.
[12" claim-type="Currently amended] (a) (I) at least one opaque / binder prepaint comprising at least one white opaque pigment and at least one polymeric binder; And
(II) at least one extender / binder prepaint comprising at least one extender pigment and at least one polymeric binder;
Providing a different but mutually compatible fluid prepaint set including; And
(b) administering a predetermined amount of each prepaint in a container or applicator to form a road-marking paint line;
At least one road-marking paint line manufacturing method comprising a.
[13" claim-type="Currently amended] (a) (iii) at least one opaque / binder prepaint comprising at least one white opaque pigment and at least one polymeric binder;
(Ii) at least one fluid extender / binder prepaint comprising at least one extender pigment and at least one polymeric binder; And
(Iii) at least one additional other fluid prepaint selected from the group consisting of prepaints (I) and (II);
Providing a different but intermixable fluid prepaint set, comprising: sufficient to blend at least two paint lines; And
(b) administering a predetermined amount of each prepaint in a container or applicator to form a road-marking paint line;
Road-marking paint range manufacturing method comprising at least two paint lines comprising a.
[14" claim-type="Currently amended] 14. A method according to claim 10, 11, 12 or 13, wherein said prepaint set further comprises at least one fluid prepaint comprising a quick-setting component.
[15" claim-type="Currently amended] The method of claim 10, 11, 12, or 13, wherein the opaque prepaint (iii), the binder prepaint (ii), the opaque / binder prepaint (I) or the extender / binder prepaint (II) is further fast-dried. and a (quick-setting) component.
[16" claim-type="Currently amended] 14. The method of claim 10, 11, 12 or 13, wherein the polymeric binder is a fast drying binder.
[17" claim-type="Currently amended] 14. The method of claim 10, 11, 12 or 13, wherein said polymeric binder is a latex polymer.
[18" claim-type="Currently amended] The method according to claim 10, 11, 12 or 13, characterized in that the number of said prepaints is 4-15.
[19" claim-type="Currently amended] 12. The method of claim 10 or 11, further comprising mixing the prepaint before, during or after administration of the prepaint in a container.
[20" claim-type="Currently amended] 12. The method of claim 10 or 11, further comprising mixing the prepaint before or during administration of the prepaint in the applicator.
[21" claim-type="Currently amended] 14. A method according to claim 12 or 13, further comprising mixing the prepaint before, during or after administration of the prepaint in a container.
[22" claim-type="Currently amended] 14. A method according to claim 12 or 13, further comprising mixing the prepaint before or during administration of the prepaint in the applicator.
[23" claim-type="Currently amended] 14. A method according to claim 10, 11, 12 or 13, further comprising adjusting the viscosity of the prepaint prior to, during or after administration of the prepaint to the container.
[24" claim-type="Currently amended] 14. The method of claim 10, 11, 12 or 13, further comprising the step of adjusting the viscosity of the prepaint before or during administration of the prepaint to the applicator.
[25" claim-type="Currently amended] 14. A method according to claim 10, 11, 12 or 13, further comprising the addition of an additional component that increases the application or final performance of the road-marking paint.
[26" claim-type="Currently amended] 14. A method according to claim 10, 11, 12 or 13, further comprising adding at least one colorant to the administered prepaint.
[27" claim-type="Currently amended] 27. The method of claim 26, wherein the colorant is white or yellow.
[28" claim-type="Currently amended] The method according to claim 10, 11, 12 or 13, characterized in that the opaque prepaint further comprises at least one colorant.
[29" claim-type="Currently amended] 14. Process according to claim 12 or 13, characterized in that the opaque / binder prepaint (I) further comprises at least one colorant.
[30" claim-type="Currently amended] 30. The method of claim 29, wherein the colorant is white or yellow.
[31" claim-type="Currently amended] The method according to claim 10, 11, 12 or 13, wherein the method is performed in a paint manufacturing facility.
[32" claim-type="Currently amended] 14. A method according to claim 10, 11, 12 or 13, wherein the method is carried out at sale.
[33" claim-type="Currently amended] 14. A method according to claim 10, 11, 12 or 13, wherein the method is carried out in use.
[34" claim-type="Currently amended] 14. The method of claim 10, 11, 12 or 13, wherein the method is computer controlled.
[35" claim-type="Currently amended] An apparatus capable of performing the method of claim 10, 11, 12 or 13.
[36" claim-type="Currently amended] 36. The device of claim 35, wherein the device is mounted on a vehicle.

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引用文献:

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公开号 | 申请日 | 公开日 | 申请人 | 专利标题

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法律状态:
2000-02-18|Priority to US18365600P

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2000-02-18|Priority to US18365500P

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2000-02-18|Priority to US60/183,656

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2000-02-18|Priority to US60/183,655

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2000-11-10|Priority to US60/247,639

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2000-11-10|Priority to US24763900P

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2001-02-16|Application filed by 존 마이클 프라이엘, 존 윌리암 3세 후크, 번하드 헬멋 라이저, 제리 윌리암 와셀, 데니스 파울 로라, 도날드 크레이그 스칼, 앤 로버트슨 헤르메스

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2001-02-16|Priority to PCT/US2001/005101

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2003-04-26|Publication of KR20030032919A

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2006-04-19|First worldwide family litigation filed

优先权:

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申请号 | 申请日 | 专利标题

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US18365600P| true| 2000-02-18|2000-02-18|

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US18365500P| true| 2000-02-18|2000-02-18|

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US60/183,656|2000-02-18|

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US60/183,655|2000-02-18|

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US24763900P| true| 2000-11-10|2000-11-10|

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US60/247,639|2000-11-10|

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PCT/US2001/005101|WO2001060929A2|2000-02-18|2001-02-16|Prepaints and method of preparing road-marking paints from prepaints|