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    • 5. 发明授权
    • Polymer mixtures containing polydiorganosiloxane urea-containing components
    • 含有聚二有机硅氧烷脲的组分的聚合物混合物
    • US06846893B1
    • 2005-01-25
    • US08735836
    • 1996-10-23
    • Audrey A. ShermanMieczyslaw H. MazurekWalter R. RomankoPatrick D. HydeRoy WongAlbert I. Everaerts
    • Audrey A. ShermanMieczyslaw H. MazurekWalter R. RomankoPatrick D. HydeRoy WongAlbert I. Everaerts
    • B32B25/20C08L83/10C09D183/10C09J7/02C09J175/00C09J183/10C08G18/61
    • C09D183/10C08L83/10C08L2666/04C09J183/10
    • A mixture is provided comprising (a) at least one of an elastomeric thermoplastic, a non-elastomeric thermoplastic, an elastomeric thermoset and mixtures thereof, excluding polydiorganosiloxane fluids and (b) a polymer having soft polydiorganosiloxane units, hard polyisocyanate residue units, optionally, soft and/or hard organic polyamine residue units and terminal groups. The hard polyisocyanate residue and the hard polyamine residue comprise less than 50% by weight of the polydiorganosiloxane urea containing component. The polyisocyanate residue is the polyisocyanate minus the —NCO groups and the polyamine residue is the polyamine minus the —NH2 groups. The polyisocyanate residue is connected to the polyamine residue by urea linkages. The terminal groups are non-functional groups or functional groups. The polydiorganosiloxane urea containing component may be reactive under free-radical or moisture curing conditions. The mixture may also optionally contain tackifying materials, free radical initiators, crosslinking agents, cure catalysts, and nonreactive additives such as fillers, pigments, stabilizers, antioxidants, flame retardants, plasticizers, compatibilizers and the like.
    • 提供了一种混合物,其包含(a)弹性体热塑性塑料,非弹性体热塑性塑料,弹性体热固性材料及其混合物中的至少一种,不包括聚二有机基硅氧烷流体,和(b)具有软聚二有机硅氧烷单元的聚合物,硬多异氰酸酯残基单元, 软和/或硬有机多胺残基单元和末端基团。 硬多异氰酸酯残基和硬多胺残基包含少于50重量%的含聚二有机硅氧烷脲的组分。 多异氰酸酯残基是多异氰酸酯减去-NCO基团,多胺残基是多胺减去-NH 2基团。 多异氰酸酯残基通过脲键与多胺残基连接。 末端基团是非官能团或官能团。 含有聚二有机硅氧烷脲的组分可以在自由基或湿固化条件下具有反应性。 混合物还可任选地含有增粘材料,自由基引发剂,交联剂,固化催化剂和非反应性添加剂,如填料,颜料,稳定剂,抗氧化剂,阻燃剂,增塑剂,增容剂等。
    • 6. 发明授权
    • Radiation curable vinyl/silicone release coating
    • 可辐射固化乙烯基/硅氧烷脱模涂层
    • US5527578A
    • 1996-06-18
    • US304424
    • 1994-09-12
    • Mieczyslaw H. MazurekSteven S. KantnerAlbert I. Everaerts
    • Mieczyslaw H. MazurekSteven S. KantnerAlbert I. Everaerts
    • C08F299/08C08F290/00C08F290/06C09D4/00C09D183/04C09D183/07C09D183/08C09J7/02A61F13/02B32B9/04
    • C09D183/08C08F290/068C09J7/0228C09J2483/005Y10T428/1476Y10T428/28Y10T428/2809Y10T428/2852Y10T428/31663
    • The invention relates to a radiation curable release coating composition comprising:(a) from about 0.05 to about 25 percent by weight of polymer selected from the group consisting of polymers falling within the general formula: ##STR1## and mixtures thereof, wherein: X are monovalent moieties having ethylenic unsaturation which can be the same or different;Y are divalent linking groups which can be the same or different;D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl;R are divalent hydrocarbon groups which can be the same or different;R.sup.1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl;R.sup.2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl;R.sup.3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl;R.sup.4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; andn is an integer of about 25 to about 750;(b) from about 5 to about 60 percent by weight of one or more free radically polymerizable multifunctional vinyl monomers copolymerizable with said polymer; and(c) from about 25 to about 95 percent by weight of one or more free radically polymerizable monofunctional vinyl monomers copolymerizable with said polymer;wherein said weight percentages are based upon the total weight of the radiation curable release coating composition.The invention also relates to substrates coated with the release coating.
    • 本发明涉及一种可辐射固化的剥离涂料组合物,其包含:(a)约0.05至约25重量%的选自下列通式的聚合物及其混合物,其中:X 是具有烯属不饱和键的一价部分,其可以相同或不同; Y是可以相同或不同的二价连接基团; D是可以相同或不同的一价部分,其选自氢,1至约10个碳原子的烷基,芳基和取代的芳基; R是可以相同或不同的二价烃基; R1是可以相同或不同的一价部分,其选自烷基,取代的烷基,芳基和取代的芳基; R2是可以相同或不同的一种选自烷基,取代的烷基,芳基和取代的芳基的一价部分; R3是可以相同或不同的一种选自烷基,取代的烷基,乙烯基,芳基和取代的芳基的一价部分; R4是可以相同或不同的一种选自烷基,取代的烷基,乙烯基,芳基和取代的芳基的一价部分; 并且n为约25至约750的整数; (b)约5至约60重量%的可与所述聚合物共聚的一种或多种可自由基聚合的多官能乙烯基单体; 和(c)约25至约95重量%的可与所述聚合物共聚的一种或多种可自由基聚合的单官能乙烯基单体; 其中所述重量百分数是基于可辐射固化的脱模涂料组合物的总重量。 本发明还涉及用脱模涂层涂覆的基材。