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    • 2. 发明申请
    • SILICONE RELEASE COATINGS
    • 硅胶涂层
    • WO2004046267A3
    • 2004-07-29
    • PCT/EP0313643
    • 2003-11-13
    • DOW CORNINGCRAY STEPHEN EDWARDRICH DAVIDTHIBAUT MARC
    • CRAY STEPHEN EDWARDRICH DAVIDTHIBAUT MARC
    • C09D183/04C09D183/07
    • C09D183/04C08G77/04C08G77/12C08G77/20C08L83/00
    • In a process for release coating of a polymer film with a composition comprising a siloxane (A) having alkenyl groups, a crosslinking agent (B) having organohydrogensiloxane groups and a catalyst for the hydrosilylation reaction between (A) and (B), comprising applying the composition to the polymer film and heating the coated film to cure the release coating, the release coating composition additionally contains a polydiorganosiloxane (C) of viscosity 10200000 mPa.s at 25°C consisting essentially of diorganosiloxane units of the formula -(SiR2-O)- in which each R group, which may be the same or different, is an alkyl group having 1 to 4 carbon atoms, to improve anchorage of the release coating on the polymer film.
    • 在具有包含具有烯基的硅氧烷(A),具有有机氢硅氧烷基团的交联剂(B)和用于(A)和(B)之间的氢化硅烷化反应的催化剂)的组合物的聚合物膜的剥离涂布方法中, 将组合物加热到聚合物膜并加热涂膜以固化脱模涂层,脱模涂料组合物另外含有在25℃下粘度为10200000mPa.s的聚二有机硅氧烷(C),其基本上由下式的二有机硅氧烷单元组成:(SiR 2 - O) - 其中可以相同或不同的每个R基团是具有1至4个碳原子的烷基,以改善聚合物膜上的剥离涂层的锚定。