• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates in a first aspect to silicone sealant composition of the oxime type. In a second aspect, the present invention relates to a method for producing an oxime type silicone sealant composition. In a third aspect, the present invention relates to a sealant kit comprising a silicone sealant composition according to the present invention and an airtight package.
    公开号:BE1024484B1
    申请号:E2016/5895
    申请日:2016-12-01
    公开日:2018-03-05
    发明作者:Bart Fourneau
    申请人:Dl Chemicals Detaellenaere-Loosvelt N.V.；
    IPC主号:
    专利说明:

    Priority date:
    International Classification: C09K 3/10, C08L 83/04, C08G 77/04 Application Number: BE2016 / 5895
    Date of submission: 01/12/2016
    Holder:
    DL CHEMICALS DETAELLENAERE-LOOSVELT N.V.
    8793, WAREGEM-SINT-ELOOIS-POND
    Belgium
    Inventor:
    FOURNEAU Bart
    8793 WAREGEN-SINT-ELOOIS-VIJVE Belgium
    Oxime silicone sealant and sealant sealant
    The present invention, in a first aspect, relates to an oxime type silicone sealant composition. In a second aspect, the present invention relates to a method of producing an oxime-type silicone sealant composition. In a third aspect, the present invention relates to a sealant kit comprising a silicone sealant composition of the present invention and an airtight package.
    BELGIAN INVENTION PATENT
    FPS Economy, K.M.O., Self-employed & Energy
    Publication number: 1024484 Filing number: BE2016 / 5895
    Intellectual Property Office
    International Classification: C09K 3/10 C08L 83/04 C08G 77/04 Date of Issue: 05/03/2018
    The Minister of Economy,
    Having regard to the Paris Convention of 20 March 1883 for the Protection of Industrial Property;
    Having regard to the Law of March 28, 1984 on inventive patents, Article 22, for patent applications filed before September 22, 2014;
    Having regard to Title 1 Invention Patents of Book XI of the Economic Law Code, Article XI.24, for patent applications filed from September 22, 2014;
    Having regard to the Royal Decree of 2 December 1986 on the filing, granting and maintenance of inventive patents, Article 28;
    Having regard to the application for an invention patent received by the Intellectual Property Office on 01/12/2016.
    Whereas for patent applications that fall within the scope of Title 1, Book XI, of the Code of Economic Law (hereinafter WER), in accordance with Article XI.19, § 4, second paragraph, of the WER, the granted patent will be limited. to the patent claims for which the novelty search report was prepared, when the patent application is the subject of a novelty search report indicating a lack of unity of invention as referred to in paragraph 1, and when the applicant does not limit his filing and does not file a divisional application in accordance with the search report.
    Decision:
    Article 1
    DL CHEMICALS DETAELLENAERE-LOOSVELT N.V., Roterijstraat 201-203, 8793 WAREGEM-SINTELOOIS-VIJVE Belgium;
    BRANTS Johan Philippe Emile, Pauline Van Pottelsberghelaan 24, 9051, GHENT;
    represented by a Belgian invention patent with a term of 20 years, subject to payment of the annual taxes as referred to in Article XI.48, § 1 of the Economic Law Code, for: Silicone sealant of the oxime type and sealant sealant .
    INVENTOR (S):
    FOURNEAU Bart, Roterijstraat 201-203, 8793, WAREGEN-SINT-ELOOIS-VIJVE;
    PRIORITY:
    BREAKDOWN:
    Split from basic application: Filing date of the basic application:
    Article 2. - This patent is granted without prior investigation into the patentability of the invention, without warranty of the Merit of the invention, nor of the accuracy of its description and at the risk of the applicant (s).
    Brussels, 05/03/2018,
    With special authorization:
    BE2016 / 5895
    SILICONE SEALANT OF THE OXIME TYPE AND KIT EQUIPPED WITH SEALANT
    TECHNICAL DOMAIN
    The invention relates to the technical field of silicone, in particular to the technical field of silicone of the oxime type.
    STATE OF THE ART
    Oxime-type silicones or polysiloxanes are synthetic materials which include repeating siloxane units and wherein the curing process is induced by hydrolysis and activation of oxime cross-linking molecules, and one or more oximes are formed as a by-product.
    Polysiloxanes are chains of alternating silicon and oxygen atoms where the silicon atoms form bonds with hydrogen atoms and / or carbon-containing side chains. Polysiloxanes have the ability to repel water and form watertight seals. In addition, polysiloxanes exhibit low heat conductivity, little chemical reactivity and high resistance to the action of oxygen and ultraviolet light. As a result, silicone is often used as a sealant. Specifically, sealing is done by applying an oxime-type silicone sealing composition to a sealable opening (e.g., a groove, joint, slot, leak, or the like) in combination with an oxime cross-linker (usually the oxime cross-linker has already been added to the silicone sealant composition). Moisture present in the air hydrolyzes reactive groups of the oxime crosslinkers to reactive hydroxyls / or silanol groups. The reactive hydroxyl and / or silanol groups further condense with hydrolysable groups of polymers or cross-linking molecules, thereby creating a hardened network of cross-linked polymers. One such process is called curing a silicone sealant composition.
    Prior art oxime silicone sealants exhibit high adhesion to polyvinyl chloride (PVC) and are low in corrosion. The latter makes it possible to use oxime silicone sealants on semi-sensitive materials.
    Nevertheless, it is known in the prior art that oxime silicone sealant compositions can be unsafe and harmful to health.
    BE2016 / 5895
    In the current state of the art, there is a need for improved and qualitative oxime silicone sealant compositions.
    A problem with known oxime silicone sealant compositions is the relatively large loss of volume after application and during curing of the silicone sealant composition. Shrinkage of Silicones during the curing process reduces and / or minimizes the sealing ability of Silicones.
    An additional problem is that prior art oxime silicone exhibits a relatively high hardness after the curing process. Because of this, many of the current oxime-type silicones lack corrective power when an opening contracts, expands or varies after sealing with a silicone sealant.
    Another known problem in the prior art is the large amount of waste related to the use of silicone sealant compositions.
    The present invention aims to find a solution to at least some of the aforementioned Problems.
    SUMMARY OF THE INVENTION
    The invention relates in a first aspect to a silicone sealing composition according to claim 1. More specifically, the present invention relates to an oxime type silicone sealing composition comprising 25-90 wt% one or more polysyloxanes, 5-35 wt% one or more plasticizers, 2-6 wt% one or more oxime crosslinkers, 0.5-2 wt% one or more adhesion promoters, and 0.01-0.2 wt% one or more catalysts, characterized in that the silicone sealant composition comprises 0.30.9 wt% one or more stabilizers and a volume loss of shows at most 21% measured according to ISO standard 10563.
    The inventors of the present invention have found that the specific composition provides a qualitative and high quality oxime type sealing composition.
    In a second aspect, the present invention relates to a method of producing a silicone sealing composition according to claim 14. More in particular
    BE2016 / 5895 relates to the present invention a method for producing a silicone sealant composition of the oxime type, comprising: mixing 25-90 wt% one or more polysiloxanes and 5-35 wt% one or more plasticizers, adding 2 -6 wt% one or more oxime cross-linking agents, adding and mixing 0.5-2 wt% one or more adhesion promoters, and adding and mixing 0.01-0.2 wt% one or more catalysts, characterized in that 0.3-0.9 wt% one or more Stabilizers are added during the mixing of the one or more polysiloxanes and the one or more plasticizers and that respective components are added in such a proportion that the resulting silicone sealing composition shows a volume loss of at most 21% measured according to ISO standard 10563.
    In a third aspect, the present invention relates to a sealing kit according to claim 19. More specifically, the present invention relates to a sealing kit comprising a silicone sealing composition according to any one of claims 1-13 enclosed in an airtight package.
    DETAILED DESCRIPTION
    The present invention relates to an oxime-type silicone sealant composition.
    Unless otherwise defined, all terms used in the description of the invention, including technical and scientific terms, have the meaning generally understood by those skilled in the art of the invention.
    For a better assessment of the description of the invention, the following terms are explicitly explained.
    One, de and the in this document refer to both the singular and the plural unless the context clearly assumes otherwise. For example, a segment means one or more than a segment.
    When around or around this document is used with a measurable quantity, a parameter, a duration or moment, and the like, variations of +/- 20% or less, preferably +/- 10% or less, more at preferably +/- 5% or less, even more preferably +/- 1% or less, and even more preferably +/- 0.1% or less than and of the quoted value, insofar as such variations apply in the disclosed invention. However, this should be understood here
    BE2016 / 5895 that the value of the quantity by which the term is used approximately or round is itself specifically disclosed.
    Claiming numerical Intervals through the endpoints includes all integers, fractions, and / or real numbers between the endpoints, including these endpoints.
    The terms include, include, consist of, consist of, include, contain, contain, control, controlling, contents, containing are synonyms and are inclusive or open terms that indicate the presence of what follows, and do not exclude or prevent the presence of other components, features, elements, members, steps, known from or described in the prior art.
    The term sealing purpose as mentioned below refers to all possible openings, damages, grooves, joints, gaps, leaks, holes, folds, wrinkles, slots, gutters and the like which are intended to be sealed using a silicone sealant composition.
    By the terms curing and curing process as noted below, reference is made to forming a polymer cross-linking network of a silicone sealing composition and solidifying the silicone sealing composition.
    In a first aspect, the invention relates to an oxime-type silicone sealant composition comprising 25-90 wt% one or more polysiloxanes, 5-35 wt% one or more plasticizers, 2-5 wt% one or more oxime crosslinkers, 0.5-2 wt % one or more adhesion promoters, and 0.01-0.2 wt% one or more catalysts, characterized in that the silicone sealing composition exhibits at most 21%, more preferably at most 15% and most preferably at most 10% volume loss measured according to ISO standard 10553.
    A silicone sealant composition of the present invention includes all curable components making it easy and quick to use. Thanks to the very specific composition which has been developed by the inventors, a qualitative and high-quality sealing composition of the oxime type is obtained.
    A silicone sealing composition according to the present invention has the advantage that little to no volume loss occurs during the curing process. This results in silicone sealing compositions in the current state of the art
    BE2016 / 5895 cracks and / or damage in the silicone sealing composition (and between the silicone sealing composition and the material on which the silicone sealing composition is applied) during the curing of the silicone sealing composition. As a result, the silicone sealant composition loses uniformity and compactness resulting in inefficient sealing of the sealing target.
    In a preferred embodiment, an oxime-type silicone sealant composition of the present invention comprises one or more plasticizers selected from the illustrative and non-limiting group: C4 to C8 alkyl terephthalate compounds including di-n-butyl terephthalate and di (2-ethylhexyl) terephthalate , glycerol triacetate (triacetin), 2,2,4-trimethyl-1,3-pentanediol diisobutyrate, phthalate esters (e.g. dioctyl phthalate, di-2-ethylhexyl phthalate, diisophthalate, diisononyl phthalate, di-linear nonyl phthalate, di-linear phthalate, undecyl di-linear undecyl phthalate, diundecyl phthalate, diisodecyl phthalate, C6-C10 straight chain phthalates, C7 linear phthalate, C9 linear phthalate,
    C11 linear phthalate, ditridecyl phthalate, undecyl dodecyl phthalate, di (2-propylheptyl phthalate) nonyl undecyl phthalate, texanol benzyl phthalate, polyester phthalate, diallyl phthalate, n-butyl phthalyl butyl phthyl butyl phthyl cyclohexyl phthalyl, butyl glycate -ethylhexyl adipate, diisonyl adipate, diiso adipate, diisodecyl adipate, di tridecyl adipate, dibutoxyethyl adipate, dibutoxyethoxy adipate, di (n-octyl, undecyl) adipate, polyester adipate, poly glycol adipates, trioctyl trimellitate hexyl triisooctyl trimellitate, tri isononyl trimellitate, triisodecyl trimellitate, tri-n-hexyl trimellitate, dioctyl azelate, di-2-ethylhexyl glutarate, di-2-ethylhexyl sebecate, dibutyl sesrate, triethyl citrate, triethyl citrate , acetyl tri-n-butyl citrate, acetyl tri-n-hexyl citrate, n-butyl tri-nhexyl citrate, isodecyl benzoate, diethylene glycol dibenzoate, dipropylene glycol d ibenzoate, triethylene glycol dibenzoate 1,4-cyclohexanedimethanol dibenzoate, 2,2,4trimethyl-1,3 dibenzoate pentanediol, 2,2-dimethyl-1,3-propanediol dibenzoate, C10C21 acetone phenol esters or alkyl sulfonic acid phenol esters with fully solidified castor oil, pentaerythritol tetrabenzoate, glycerol tribenzoate, polypropylene glycol dibenzoate, triaryl phosphates, diisononyl cyciohexane 1,2dicarboxylate, polymers of adipic acid / phthalates / adipates / sebecates / with glycols and often acid-terminal alkylbenzylphenyl, butyl diethyl benzyl dipropylene glycol dibenzoate, 2-ethylhexyl benzoate, C9 benzoates, CIO benzoates, texanol benzoate, ethylene glycol dibenzoate, propylene glycol dibenzoate, triethylene glycol dibenzoate, di-heptyl phthalate, dimethyl phthalyl, dichlorophthalate, diethyl phthalate, diethyl. Most preferably, a silicone sealant composition comprises the
    BE2016 / 5895 oxime type according to the present invention one or more plasticizers selected from: silicone oil comprising non-reactive polymers and hydrogenated petroleum distillates with a carbon chain comprising 11 to 25 carbon atoms.
    In a preferred embodiment, comprises a one or more oxime crosslinkers silicone sealant composition of the oxime-type according to the present invention is selected from the group: methyltrismibkosilaan 7 fenyltrismibkosilaan, vinyltrismibkosilaan, tetracismibkosilaan, methylviniylbismibkosilaan, 2-pentanone-O, O ', Omethylsilylidinetrioxime, 2-pentanone O, O ', O-ethylsiliylidin trioxome, vinyl tris (methyl ethyl cetoximosilane), methyl tri (methyl ethyl ketoximosilane), tetraketoximosilane, triethoxymonoketoximosilane oximethoxyl oxoxyl oxytoximethyl siloxetoximethyl siloxetoximethyl siloxetro oximosilane. Here, the term mibko is equivalent to methyl isobutyl ketoxime.
    In one embodiment, a silicone sealant composition of the present invention includes one or more fungicides.
    Provision of fungicides in a silicone sealant composition of the present invention prevents phantoms and / or associated microorganisms from colonizing the silicone sealant composition. In this way, silicone sealing compositions and / or the sealing targets are prevented from being contaminated - and possibly damaged - by fungi and / or associated micro-organisms.
    Organic plasticizers include better biodegradability, are less harmful to the environment and health, and induce less chemical reactions than inorganic plasticizers. By adding one or more organic plasticizers to a silicone sealant composition of the present invention, a lesser amount of inorganic plasticizers must be added.
    In one embodiment, a silicone sealant composition of the present invention includes one or more organic plasticizers.
    Stabilizers slow down the curing process of a silicone sealing compound. Because an silicone sealing composition according to the present invention in one embodiment comprises an amount of one or more Stabilizers, the silicone sealing composition is prevented from setting faster than desired.
    BE2016 / 5895
    In one embodiment, a silicone sealant composition of the present invention includes one or more Stabilizers. As a result, a silicone sealing composition can be processed more easily and a user has more time to apply a silicone sealing composition to one or more sealing purposes, or possibly make corrections to one or more newly applied silicone sealing compositions.
    In one embodiment, a silicone sealant composition of the present invention comprises fumed silica. In a more preferred embodiment, a silicone sealant composition of the present invention comprises 3-10 wt% fumed silica.
    Adding an amount of fumed silica to a silicone sealant composition according to the described embodiment increases the viscosity of the silicone sealant composition in such a way that the silicone sealant composition does not run out after application, yet is sufficiently fluid to efficiently remove rough and / or uneven sealing targets. to seal and / or cover. This substantially simplifies the application of a silicone sealant composition of the present invention.
    In one embodiment, a silicone sealing composition of the present invention includes chalk. Addition of chalk to a silicone sealant composition of the present invention results in a harder and stronger product and induces a substantial reduction in production cost.
    In one embodiment, a silicone sealant composition of the present invention includes one or more color powders.
    Addition of one or more color powders to a silicone sealant composition of the present invention induces coloring of the silicone sealant composition. This allows to meet aesthetic wishes and / or needs for the use of a silicone sealant composition.
    In a preferred embodiment of a silicone sealant composition according to the present invention, the silicone sealant composition exhibits at most 20%, more preferably at most 15% and most preferably at most 10% weight loss measured according to ISO standard 10553.
    BE2016 / 5895
    Hardness is the resistance that a material - here a silicone sealing compound - offers against permanent deformation. A low hardness silicone sealant is more flexible and stretchable while a high hardness silicone sealant is more rigid and more resistant to abrasion and extrusion.
    In a preferred embodiment, a silicone sealing composition according to the present invention has a shore A hardness of 5-35 measured according to ISO standard 10553.
    A silicone sealant composition according to this embodiment of the present invention exhibits flexibility to accommodate fluctuations in certain parameters, for example, size, depth, area and volume - of a sealing target. The flexibility due to this low hardness allows silicone sealant compositions of the particular embodiment to expand and / or shrink somewhat if necessary. This maintains optimal sealing of the sealing target in case one or more parameters of the sealing target alternate over time.
    In a preferred embodiment of a silicone sealing composition according to the present invention, the silicone sealing composition has a modulus of 0.20-0.85 N / m 2 measured according to ISO standard 37.
    In a preferred embodiment, a silicone sealant composition of the present invention exhibits a modulus of 0.15-0.50 N / m 2 measured according to ISO standard 8839 at 100% deformation after application to aluminum.
    In a preferred embodiment, a silicone sealant composition of the present invention exhibits a modulus of 0.20-0.50 N / m 2 measured according to ISO standard 8339 at 100% deformation after application to glass.
    In a preferred embodiment, a silicone sealant composition of the present invention exhibits a modulus of 0.10-0.55 N / m 2 measured according to ISO standard 8339 at 100% deformation after application to concrete.
    The time to sheet formation of a silicone sealing composition provides an indication of the rate of curing of the silicone sealing composition.
    g BE2016 / 5895
    In a preferred embodiment of a silicone sealing composition according to the present invention, the silicone sealing composition exhibits skin formation in less than 35 minutes at 23 ° C and 50% relative humidity.
    This has the advantage that the silicone sealing composition hardens relatively quickly, but that a user still has enough time to make any corrections to a silicone sealing composition, for example incorrectly applied.
    In a second aspect, the present invention relates to a method of producing silicone sealant composition of the oxime type comprising mixing 25-90 wt% one or more polysiloxanes and 5-35 wt% one or more plasticizers, adding 2- 6 wt% one or more oxime crosslinkers; adding and mixing 0.5-2 wt% one or more adhesion promoters; and adding and mixing 0.01-0.2 wt% of one or more catalysts, characterized in that a resulting silicone sealing composition has a volume loss of at most 21%, more preferably at most 15%, and most preferably at most 10% measured according to ISO standard 10563.
    In particular, a method of producing a silicone sealant composition of the present invention comprises adding one or more plasticizers selected from the group: C4 to C8 alkyl terephthalate compounds including di-n-butyl terephthalate and di (2-ethylhexyl) terephthalate , glycerol triacetate (triacetin), 2,2,4-trimethyl-1,3-pentanediol diisobutyrate, phthalate esters (e.g. dioctyl phthalate, di-2-ethylhexyl phthalate, diisophthalate, diisononyl phthalate, dilinear nonyl phthalate, di-linear nonyl, undecyl phthalate -linear undecyl phthalate, diunecyl phthalate, diisodecyl pthalate, C6-C10 straight chain phthalates, C7 linear phthalate, C9 linear phthalate, C11 linear phthalate, ditridecyl phthalate, undecyl phthalyl phthalyl phthalyl phthalyl phthalanol) polyester -n-butyl glycosate, dicapryl phthalate, butylcyclohexyl phthalate, dicyclohexyl phthalate, butyl octyl phthalate, dioctyl adipate, di-2-et hylhexyl adipate, diisonyl adipate, diiso adipate, diisodecyl adipate, di tridecyl adipate, dibutoxyethyl adipate, dibutoxyethoxy adipate, di (n-octyl, undecyl) adipate, polyester adipate, poly glycol adipates, trioctyl trimityl ethyl, hexyl trimethylate trimellitate, tri isononyl trimellitate, triisodecyl trimellitate, tri-n-hexyl trimellitate, dioctyl azelate, di-2ethylhexyl glutarate, di-2-ethylhexyl sebecate, dibutyl sebecate, dibutoxyethyl sebecate, triethyl citrate, acetyltriethyl n-butyl citrate, acetyl tri-nhexyl citrate, n-butyl tri-n-hexyl citrate, isodecyl benzoate, diethylene glycol dibenzoate, dipropylene glycol dibenzoate, triethylene glycol dibenzoate 1,4-cyclohexane dimethanol
    BE2016 / 5895 dibenzoate, 2,2,4-trimethyl-1,3 dibenzoate pentanediol, 2,2-dimethyl-1,3-propanediol dibenzoate, C10-C21 alkane phenol esters or alkyl sulfonic acid phenol esters, acetic acid reaction products with fully hardened castor oil, pentaerythritol tetrabenzoate, glycerol tribenzoate, polypropylene glycol dibenzoate, triaryl phosphates, diisononyl cyclohexane 1,2-dicarboxylate, polymers of adipic acid / phthalates / adipates / sebecates, phenyl-phenyl-phenyl-phenyl-phenyl-phenyl-phenyl-phenyl-phenyl-phenyl-diethyl , 2-ethylhexyl benzoate, C9 benzoates, C10 benzoates, texanol benzoate, ethylene glycol dibenzoate, propylene glycol dibenzoate, triethylene glycol dibenzoate, di-heptyl phthalate, dihexyl phthalate, dibutyl phthalyl, dibutyl phthalyl, dibutyl phthalyl, dibutyl phthalyl, dibutyl phthalate In a most preferred embodiment, a method of producing an oxime silicone sealant composition of the present invention comprises adding one or more plasticizers selected from: silicone oil comprising non-reactive polymers, and hydrogenated petroleum distillates having a carbon chain containing 11 to 25 carbon atoms.
    In particular, a method of producing a silicone sealant composition of the present invention includes adding one or more oxime cross-linkers selected from the group: methyl trismibosilane phenyltrimethoxysilane, phenyltrismibosilane, vinyl trismibosilane, tetracismibosilane, methylviniylbismibosanane, 2-pentoxosilane, , O-methylsilylidin trioxime, 2-pentanoneΟ, Ο ', Ο' '- ethylsiliylidin trioxome, vinyltris- (methyl ethyl cetoximosilane oximethoxyl oximoxilosilane), tetraketoximosilane, triethoxymonoketoximoxilosilane, 3,3methyl Here, the term mibko is equivalent to methyl isobutyl ketoxime.
    In particular, a method of producing a silicone sealant composition, according to the present invention, includes adding one or more Stabilizers during the mixing of the one or more polysiloxanes and the one or more plasticizers.
    By adding one or more Stabilizers at the start of the process for producing a silicone sealant composition, the hardening process of the silicone sealant composition is slowed. This has the advantage that the silicone sealing composition can be processed more easily and it is avoided that the silicone sealing composition already hardens during the production process.
    BE2016 / 5895
    In particular, a method of producing a silicone sealant composition, according to the present invention, includes adding one or more fungicides during the mixing of the one or more polysiloxanes and the one or more plasticizers.
    Addition of one or more fungicides at the start of the production process has the advantage that potential fungi present do not have a chance to colonize the silicone sealing composition during the production process. In this way it is avoided that quantities of silicone sealing compositions produced are contaminated and wasted during the production process.
    In particular, a method of producing a silicone sealant composition of the present invention includes adding and mixing in fumed silica after adding the one or more oxime crosslinkers.
    As described above, fumed silica increases the viscosity of a silicone sealant composition of the present invention. More viscous silicone sealant compositions are easier to process and handle during the manufacturing process.
    In particular, a method of producing a silicone sealant composition, according to the present invention, includes adding and mixing chalk after adding the one or more oxime crosslinkers.
    In particular, a method of producing a silicone sealant composition, according to the present invention, includes adding and mixing one or more color powders after adding the one or more oxime crosslinkers.
    By adding one or more color powders to the silicone sealing composition only at the end of the production process, it is possible to produce a large, uncoloured batch of silicone sealing composition which is then divided into two or more sub-batches to which one or more color powders can be added. This makes it possible to produce various colored silicone sealant compositions in one production process. This in turn has the advantage that the production of colored silicone sealant compositions proceeds faster, more efficiently and cheaper.
    BE2016 / 5895
    In a third aspect, the present invention relates to a sealant kit comprising a silicone sealant composition of the present invention enclosed in an airtight container.
    An airtight package prevents a silicone sealant composition of the present invention from hardening before it is desired and extends the shelf life of a silicone sealant. In addition, the transportation and storage of a silicone sealing composition is substantially simplified by the airtight packaging.
    According to an embodiment of a sealing kit according to the present invention, the airtight package comprises a polyethylene, polypropylene or polyamide sleeve.
    A silicone sealant composition of the present invention shows high adhesion to polyvinyl chloride (PVC) and little or no adhesion to polyethylene, polypropylene and polyamides. As a result, the silicone sealant composition is easy to remove from such a tube.
    In a further embodiment, the tube is cylindrical. A cylindrical sleeve does not contain inequalities, thereby minimizing the amount of residual silicone sealant remaining in the sleeve.
    In a preferred embodiment of a sealant kit according to the present invention, the sleeve comprises a nozzle and a plunger. This allows a user to extract a silicone sealant composition from a sleeve by moving the plunger toward the nozzle.
    In a further preferred embodiment, a sealant kit of the present invention includes a hand gun. A hand gun substantially simplifies the displacement of the slidable base member toward the nozzle of the sleeve, and thus simplifies the removal of a silicone sealant composition from the sleeve.
    A known problem in the prior art is the large amount of waste when consuming one or more silicone sealant compositions on a frequent basis.
    BE2016 / 5895
    In an embodiment of a sealant kit according to the present invention, the airtight package comprises a foil.
    The foil concerned can be stored compactly after the use of a sealing kit according to the embodiment in question. In this way, the amount of waste is substantially limited. An additional advantage of foil as an airtight packaging is that smaller storage space is required for the storage of a relevant sealing kit. As a result, a larger number of sealing kits can be stored, or a smaller location is required to store the same number of sealing kits.
    In a further embodiment, a sealing kit according to the present invention comprises a foil-connectable nozzle. This has the advantage that a silicone sealing composition can be easily and directly applied from the foil packaging to the sealing target.
    In what follows, the invention is described by means of non-limiting examples illustrating the invention, which are not intended or are to be construed to limit the scope of the invention.
    EXAMPLES
    EXAMPLE 1
    An oxime type silicone sealant composition was produced as follows:
    In a first step, 30-70 wt% polysiloxanes are mixed with 10-30 wt% plasticizer and 0.3-0.9 wt% Stabilizer. In a second step, 3-5 wt% oxime crosslinker is added, after which 4-9 wt% fumed silica and 30-45 wt% chalk are mixed in the mixture. Then 1-1.5 wt% adhesion promoter was added and the resulting mixture was mixed. Finally, 0.05-0.1 wt% catalyst was added.
    Concerning silicone sealant composition includes following ingredients:
    BE2016 / 5895
    Ingredient wt ° / o Polysiloxanes 30-70 Plasticizer 10-30 Stabilizer 0.3-0.9 Oxime crosslinker 3-5 Fumed silica 4-9 Adhesion promoter 1-1.5 Chalk 30-45 Catalyst 0.05-0.1
    This silicone sealant composition was tested on several parameters, the results of which are shown below.
    Parameter Result Volume loss (%) [ISO 10563] 2.7 Weight loss (%) [ISO 10563] 1.35 Shore A hardness [ISO 868] 20 Modulus at 100% (N / mm 2 ) [ISO 37] 0.45 Modulus at 100% - Aluminum (N / mm 2 ) [ISO 8339] 0.36 Modulus at 100% - Gias (N / mm 2 ) [ISO 8339] 0.37 Modulus at 100% - Concrete (N / mm 2 ) [ISO 8339] 0.36 Skin formation (minutes, at 23 ° C and 50% rel. Moisture.) 21 Curing after 24 hours (mm, at 23 ° C and 50% rel. Moisture.) 2.5
    BE2016 / 5895
    权利要求:
    Claims (19)
    [1]
    An oxime-type silicone sealant composition comprising:
    25-90 wt% of one or more polysiloxanes;
    [2]
    Oxime-type silicone sealant composition according to claim 1, characterized in that the silicone sealant composition further comprises one or more fungicides.
    2-6 wt% one or more oxime crosslinkers;
    0.5-2 wt% one or more adhesion promoters; and 0.01-0.2 wt% one or more catalysts;
    characterized in that the silicone sealing composition 0.3-0.9 wt% comprises one or more Stabilizers and exhibits a volume loss of at most 21% measured according to ISO standard 10563.
    [3]
    Oxime-type silicone sealing composition according to claim 1 or 2, characterized in that the silicone sealing composition comprises one or more organic plasticizers.
    [4]
    Oxime-type silicone sealing composition according to any one of the preceding claims, characterized in that the silicone sealing composition comprises fumed silica.
    [5]
    5 is a foil.
    Sealant according to claim 23, characterized in that the sealant comprises a foil-connectable nozzle.
    Oxime-type silicone sealing composition according to any of the preceding claims, characterized in that the silicone sealing composition comprises chalk.
    5-35 wt% of one or more plasticizers;
    [6]
    Oxime-type silicone sealing composition according to any one of the preceding claims, characterized in that the silicone sealing composition comprises one or more color powders.
    [7]
    Oxime-type silicone sealing composition according to any one of the preceding claims, characterized in that the silicone sealing composition exhibits a weight loss of at most 20% measured according to ISO standard 10563.
    [8]
    Oxime-type silicone sealing composition according to any one of the preceding claims, characterized in that the silicone sealing composition has a shore A hardness of 5-35.
    [9]
    Oxime-type silicone sealing composition according to any one of the preceding claims, characterized in that the silicone sealing composition exhibits a modulus of 0.20-0.85 N / m 2 measured according to ISO standard 37 at 100% deformation.
    [10]
    Oxime-type silicone sealing composition according to any one of the preceding claims, characterized in that the silicone sealing composition has a modulus of 0.15-0.60 N / m 2 measured according to ISO standard 8339 at 100% deformation after application to aluminum.
    [11]
    Oxime-type silicone sealing composition according to any one of the preceding claims, characterized in that the silicone sealing composition exhibits a modulus of 0.20-0.60 N / m 2 measured according to ISO standard 8339 at 100% deformation after application to glass.
    [12]
    Oxime-type silicone sealing composition according to any one of the preceding claims, characterized in that the silicone sealing composition exhibits a modulus of 0.10-0.55 N / m 2 measured according to ISO standard 8339 at 100% deformation after application to concrete.
    [13]
    Oxime-type silicone sealing composition according to any one of the preceding claims, characterized in that the silicone sealing composition exhibits skin formation in less than 35 minutes after at 23 ° C and 50% relative humidity.
    [14]
    A method for producing a one-component, oxime-type, moisture-crosslinking silicone composition for use as a sealing composition, comprising:
    - mixing 25-90 wt% of one or more polysiloxanes and 5-35 wt% of one or more plasticizers,
    - adding 2-6 wt% of one or more oxime crosslinkers;
    - adding and mixing in 0.5-2 wt% of one or more adhesion promoters; and
    - adding and mixing 0.01-0.2 wt% of one or more catalysts,
    [15]
    A method for producing a one-component, oxime-type, moisture-crosslinking silicone composition according to claim 14 or 15, characterized in that fumed silica is added and mixed after the addition of the one or more oxime crosslinkers.
    A method of producing a one-component, oxime-type, moisture-crosslinking silicone composition according to claim 14, characterized in that one or more fungicides are added during the mixing of the one or more polysiloxanes and the one or more softeners.
    [16]
    16 BE2016 / 5895
    [17]
    A method for producing a one-component, oxime-type, moisture-crosslinking silicone composition according to any one of claims 14-15, characterized in that chalk is added and mixed in after the addition of the one or more oxime crosslinkers.
    17 BE2016 / 5895, characterized in that 0.3-0.9 wt% one or more Stabilizers are added during the mixing of the one or more polysiloxanes and the one or more plasticizers and that the resulting silicone sealing composition has a volume loss of at most 21% measured according to ISO standard 10553 shows.
    [18]
    18 BE2016 / 5895
    Sealant according to claim 21, characterized in that the sealant comprises a hand gun.
    Sealant according to claim 19, characterized in that the airtight package
    A method for producing a one-component, oxime-type, moisture-crosslinking silicone composition according to any one of claims 14-17, characterized in that one or more coloring powders are added and mixed in after the addition of the one or more oxime cross-linkers.
    A sealant kit comprising an oxime-type silicone sealant composition according to any one of claims 1-13 enclosed in an airtight container.
    Sealant according to claim 19, characterized in that the airtight package is a cylindrical, polyethylene, polypropylene or polyamide sleeve.
    Sealing kit according to claim 20, characterized in that the cylindrical sleeve comprises a nozzle and a plunger.
    [19]
    19 BE2016 / 5895
    SILICONE SEALANT OF THE OXIME TYPE AND KIT FITTED WITH
    SEALANT
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    同族专利:
    公开号 | 公开日
    BE1024484B9|2018-04-05|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2003040048A2|2001-11-07|2003-05-15|Metallkraft As|Method for utilising silica soot from quartz glass production|
    US20060258818A1|2005-05-13|2006-11-16|Shin-Etsu Chemical Co., Ltd.|Room temperature-curable organopolysiloxane compositions|
    US20070142597A1|2005-12-19|2007-06-21|Wacker Chemie Ag|Crosslinkable composition based on organosilicon compounds|
    US20140309370A1|2013-04-10|2014-10-16|Wacker Chemie Ag|Crosslinkable compositions based on organosilicon compounds|
    法律状态:
    2018-03-21| FG| Patent granted|Effective date: 20180305 |
    优先权:
    申请号 | 申请日 | 专利标题
    BE20165895A|BE1024484B9|2016-12-01|2016-12-01|Silicone sealant of the oxime type and kit with sealant|BE20165895A| BE1024484B9|2016-12-01|2016-12-01|Silicone sealant of the oxime type and kit with sealant|
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