• 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:
    PPASTILE COMPOSITION, including a mixture of vinyl chloride polymers and a plasticizer, which is different from the fact that, in order to reduce the consumption of plastiool during coating, the composition as a mixture of polymers of vinyl chloride contains a mixture of emulsion polyvinyl chloride with Fikentscher 65-76 and a medium composition and a medium of polymeric vinyl chloride with a 65% to 76% 76 polymeric vinyl chloride and a medium, and a medium component. µm and / or vinyl chloride-i emulsion copolymer with 1.9–8.2 wt.% vinylac units. Tata with a constant Fikentscher 65-75 and an average particle size of 10-25 microns and / nli microsuspension polyviiilchloride with Fikentscher constant 6679 and an average particle size of 5-15 microns and suspension grafted copolymer of vinyl chloride, including, wt.%: vinyl chloride unit 88.0- 99.45; the vinyl acetate unit is 0.25-11.50, and the ethylene unit is 0.3-2.2, with a Fikentscher constant of 59.8-80.0 and an average particle size of 20-40 μm, with the following content of components in the composition, mac.ch .: Emulsion polyvinyl chloride and / or § emulsion copolymer of vinylCO chloride with 1.98, 2 wt.% Of vinyl acetate and / or microsuspension polyvinyl chloride 40-90 units Suspension to graft copolymer Od of vinyl chloride 10-60 4; Plasticizer 30-I00 00 and S
    公开号:SU1264842A3
    申请号:SU813283357
    申请日:1981-05-15
    公开日:1986-10-15
    发明作者:Вайнлих Юрген；Плеван Отто；Лейгеринг Ханс-Йоахим
    申请人:Хехст А.Г.(Фирма)；
    IPC主号:
    专利说明:


    cm t The invention relates to plastisol compositions for coatings based on vinyl chloride polymers. The aim of the invention is to reduce the consumption of plastisol during coating. The composition includes the following components: emulsion polyvinyl chloride (PVC) with a Fikentscher constant of 65-76 (K) and an average particle size of 10-25 microns, an emulsion copolymer of vinyl chloride with 1.9-8.2 weight L of vinyl acetate units (VC / VA) microsuspension polyvinyl chloride with a Fikentscher constant of 66-79 and an average particle size of 5-15 μm, a suspension grafted copolymer of vinyl chloride, including, weight Lg of the BX link 88.0-99.45, link of the BA 0.25-11.50 and link of ethylene (ET) 0 , 3-2,2, - the Fikentscher constant is 59.8-80.0 and the average particle size is 20-40 microns. The preparation of the grafted vinyl chloride copolymer is carried out in an aqueous suspension, with about 100 hours of monomers used and 150-300 parts of water used, the temperature of polymerization is 35-80 ° C, preferably 4515 ° C. Pure vinyl chloride or a mixture of vinyl chloride and vinyl acetate is used as monomers. It is advisable that ethylene-vinyl acetate copolymerizate should be diluted in monomers or monomer mixtures before starting the polymerization. The proportion of vinyl acetate in the monomer mixture must be maintained so high that the content of vinyl acetate units, introduced due to the initial ethylene vinyl acetate copolymer, in the target graft copolymerization product was 0.1-11.9 weight,%, calculated on the grafted copolymer. Preferably, so much monomeric vinyl acetate is used in a mixture with vinyl chloride so that 0.1-7.9 wt.%, Based on the graft copolymer of polymerized vinyl acetate units, is present in the finished graft copolymer. The polymerization is carried out in the presence of 0.003-1% by weight,%, preferably 0.01-0.3% by weight, calculated on the monomer of one or more oil, soluble radical-forming activators, Suitable dihydroxy or diacyl peroxide are, for example, (diacetyl peroxide, acety 42 benzoyl, dilauroyl, dibenzoyl, bis-2,4-dichlorobenzoyl, bis-2-methylbenzoyl); dialkyl (di-tertc), di-tert-butyl, peroxide mixed anhydrides of organic sulfonic acids and O1 hydroxy acids (acetylcyclohexylsulfonyl peroxide for example, gelatin, maleic acid copolymers, respectively, of its partial esters with styrene, polyvinylpyrrolidone, and vinyl acetate copolymers with vinyl lipirrolidone, water-soluble cellulose derivatives (carboxymethyl cellulose, hydroxyethyl cellulose aminopropyl cellulose), polyvinyl alcohol, which, under certain conditions, contains up to 40 mol% of acetyl groups. the weight,% aqueous solution of which, at 20 ° C has a viscosity of 20 IQOO (for cellulose ethers) or 2-200 mPa-s (for partially acetylated by ivinilovyh alcohols), polymerization is carried out in the presence of one or more emulsifiers which are useful in emulsion polymerization of vinyl chloride. Amphoteric, cationic, and non-ionic, and preferably anionic emulsifiers may be used. Suitable anionic emulsifiers are, for example, alkaline alkaline earth metal salts or ammonium fatty acids, such as lauric acid, palmitic acid or stearic acid, of fatty alcohol acid esters and sulfuric acid, alkanesulfonic acids (especially with chain length C; o-CIS) alkyl aryl sulfonic acids, such as dodecyl benzene, or dibutyl naphthalene sulfonic acid, sulfonic acid esters, and alkali metal salts thallium, and ammonium group-containing epoxy fatty acids (epoksisistearinova acid), reaction products of peracids, for example peracetic acid with unsaturated fatty acids such as oleic or linoleic or unsaturated hydroxy fatty acid as the ricinoleic acid. Suitable amphoteric, respectively, cationic emulsifiers are, for example, alkyl betaines, dodecyl betaine, and alkyl pyridinium salts (for example, lauryl pyridinium hydrochloride), alkyl ammonium salts (for example, hydroxyethyl dodecyl ammonium chloride). As the nonionic emulsifiers are, for example, partial fatty acid esters of polyhydric alcohols (glycerol, sorbitol monolaurate, -oleate or -palmitate), polyoxyethylene esters of fatty alcohols or aromatic hydroxy compounds polioksialknlenovye fatty acid esters, and condensates of polyethylene oxide with polypropylene oxide ,
    Buffers, such as alkali metal acetates, borax, alkali metal phosphates, alkali metal carbonates, ammonia or ammonium salts of carboxylic acids, as well as molecular size regulators, such as aliphatic aldehydes C., chlorine bromide hydrocarbons, for example dii trichloro ylene, chloroform, bromform methylene chloride, as well as mercaptans, antioxidants and others.
    The polymerization can be carried out continuously or intermittently, and it is possible to work while cooling with
    using a reverse refrigerator, when
    two or more speeds
    growth rates and / or temperature stages. The pH value of the polymerization bath (solution) should be 2 to 10.
    During the polymerization, one or more of the following substances can be added under known conditions while maintaining a constant filling volume of the polymerization tank: water, aqueous solutions, activating monomers, suspension stabilizers, emulsifiers, other polymerization auxiliary substances, for example, a substance or regulators.
    The polymers obtained, both in the form of an aqueous dispersion and in the form of a wetted precipitate on a filter or in a wet or dry powdered state, can be purified from residual monomers, in particular vinyl chloride. The treatment of the aqueous dispersion of the polymerizate to a dry powder is carried out by known methods, for example, by decanting the basic amount of the aqueous phase in a decanter / centrifuge and drying the resulting wetted precipitate on a filter in a fluid bed dryer.
    The composition contains a plasticizer, for example di-2-ethylhexyl phthalate (DOP), diphenyloctyl phosphate (DFO), a mixture of DOP and butylene benzyl phthalate (BBP).
    In addition, the composition may contain a variety of additives for its intended purpose.
    Non-volatile diluents, for example, NVI is chloroparaffin containing 56 wt.% Chlorine.
    Volatile thinners, for example, FVT - white spirit.
    Thermostabilizers: T - liquid barium-cadmium-zinc stabilizer Mark (trade name) 281B of the company Diamond (alkali) and T, - 2 ethylhexyl ester of dibutyldithioglycolic acid.
    The filler FtJ-1 is surface-coated chalk, for example OMYA (trade name) BLR 3 from Omiya.
    TR1 blowing agent is azodicarbonamide.
    Dye FAI.
    Specific formulations of the composition and properties are shown in the table. 34 20 40 28 28 28 28 50 60 50 50 50 50 50 28 28 28 28 28 50 50 60 60 10 b
    65
    76
    10 50
    25 40
    50
    50
    . 66
    15 50
    DOF DOF. DOP dof dof dof 66.7 66.7 66.7 ("
    76 76
    76
    76 76
    76
    10 15 15 15 15
    ten
    25 20 45 20
    thirty
    25
    5 69
    five
    69
    IS
    15 30
    to
    79 70
    70
    70
    70
    5 8
    8 45
    8 10
    8 30 25 20
    Dof
    DOF DOF DOF DOF DOF G Sost "and self-determination of the Program
    20
    1.5
    20
    The coating test is carried out as follows.
    The plastisol deposited to measure the viscosity is carried out one hour after the mixture is sedimented. An Eriksen grindometer, type 232, is used for this purpose. It consists of a metal block with a polished surface on which a wedge-shaped groove etched on one side of the metal block is etched.
    ten
    Thats
    1.5 0.5
    ten
    a depth of I00 µm and passing on the other side of the metal block to the surface o The depth of the notch can be measured on a scale on the side of the metal block. Two drops of the tested plastisol are applied to the deepest notch and, using a metal doctor blade with polished edges, spread the plastisol in the direction of the decreasing depth of the notch. On a smooth surface plastisol in the direction of the smear in the definition of the Compounds by examples - t - tg - 1 - - 1g-. .ILJ: 1.1.: - 11
    55
    55
    65
    70
    The 60 / ln moment begins to appear. Longitudinal bands, which are rapidly increasing. In the place of the notch, where not less than five such strips are observed, the depth of the notch is measured, and, consequently, the thickness of the applied plastisol. Plastisols or organosols prepared from the polymer blend can be applied in the usual way by spreading, spraying, dipping or applying a brush 50
    60
    50
    55
    55 on the surface of the carrier, as well as used for the manufacture of excellent molded products and foams. By using graft copolymers used according to the invention, plastisols with low viscosity and good storage stability are obtained, both in terms of viscosity and in sedimentation of the components of the mixture, which, when applied in a thin layer, provide uniform coatings.
    权利要求:
    Claims (1)
    [1]
    PLASTICOLIC COMPOSITION, comprising a mixture of vinyl chloride polymers and a plasticizer, characterized in that, in order to reduce the consumption of plastisol during coating, the composition as a mixture of vinyl chloride polymers contains a mixture of emulsion polyvinyl chloride with a Fikentcher constant of 65-76 and an average size particles of 10-25 μm and / or emulsion copolymer of vinyl chloride-ί yes with 1.9-8.2 wt.% units of vinyl acetate with a Fikentcher constant of 65-75 and an average particle size of 10-25 microns and / or microsuspension polyvinyl chloride with a constant of Fikentcher 66 79 and an average particle size of 5-15 μm and a suspension grafted vinyl chloride copolymer, including, wt. X: vinyl chloride units 88.0-99.45; vinyl acetate units 0.25-11.50. th units of ethylene 0.3-2.2, with a Fikentcher constant 59.8-80.0 and an average particle size of 20-40 microns, with the following content of components in the composition, wt.h.
    Emulsion polyvinyl chloride and / or emulsion copolymer of vinyl chloride with 1.9-
    8.2 wt.% Vinyl acetate units and / or microsuspension polyvinyl chloride Suspension grafted vinyl chloride copolymer Plasticizer
    40-90
    10-60
    30-100
    SU "" 1264842 AZ
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    引用文献:
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    US3555122A|1966-03-10|1971-01-12|Grace W R & Co|Mixture of a suspension resin of vinyl chloride and an organosol resin of vinyl chloride|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
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