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    CONDENSATION REACTION CURABLE SILICONE ORGANIC BLOCK COPOLYMER COMPOSITION CONTAINING A PHOSPHONATE CATALYST AND METHODS FOR THE PREPARATION AND USE OF THE COMPOSITION
    4.
    发明申请
    CONDENSATION REACTION CURABLE SILICONE ORGANIC BLOCK COPOLYMER COMPOSITION CONTAINING A PHOSPHONATE CATALYST AND METHODS FOR THE PREPARATION AND USE OF THE COMPOSITION 审中-公开
    含有磷酸酯催化剂的凝结反应可固化有机硅嵌段共聚物组合物及其组合物的制备和使用方法

    公开(公告)号：US20140024774A1

    公开(公告)日：2014-01-23

    申请号：US14007734

    申请日：2012-03-12

    申请人： Simon Cook ,  Geraldine Durand ,  Thomas Easton ,  Sarah O'Hare ,  Avril Surgenor ,  Richard Taylor

    发明人： Simon Cook ,  Geraldine Durand ,  Thomas Easton ,  Sarah O'Hare ,  Avril Surgenor ,  Richard Taylor

    IPC分类号： C08G77/46 ,  C09D183/12 ,  C08K5/5419

    CPC分类号： C08K5/5419 ,  C08G77/12 ,  C08G77/18 ,  C08G77/20 ,  C08G77/46 ,  C08K5/0025 ,  C08K5/524 ,  C08K5/5317 ,  C08K5/5425 ,  C08L83/12 ,  C09D183/12

    摘要： A condensation reaction curable composition comprises a new catalyst, Dow Corning® 4-6085, and a polyorganosiloxane polyoxyalkylene block copolymer having one or more polyorganosiloxane blocks and one or more polyoxyalkylene blocks linked to each other via divalent radicals which comprises at least two silicon-bonded alkoxy groups, preferably of the form PS-(A-PO)m-(A-PS)n, wherein PO is a polyoxyalkylene block, PS represents a polyorganosiloxane block, A is a divalent radical, subscripts m and n have independently a value of at least 1, comprising at least one alkoxy-substituted siloxane unit of the formula (R′)q(OR)—SiO3-q/2, wherein R represents an alkyl group having 1 to 4 carbon atoms and each R′ represents an alkyl group having 1 to 6 carbon atoms, a phenyl group, or an alkoxy group of the formula —OR and subscript q has a value of 0, 1 or 2, provided at least two silicon-bonded groups OR are present in the block copolymer.

    摘要翻译： 缩合反应固化的组合物包含新的催化剂，Dow Corning 4-6085和具有一个或多个聚有机硅氧烷嵌段和一个或多个聚氧化烯嵌段的聚有机硅氧烷聚氧化烯嵌段共聚物，该聚有机硅氧烷嵌段通过二价基团彼此连接，该二价基团包含至少两个硅键合 烷氧基，优选形式为PS-（A-PO）m-（A-PS）n，其中PO是聚氧化烯嵌段，PS表示聚有机硅氧烷嵌段，A是二价基团，下标m和n独立地为 至少一个，包含至少一个式（R'）q（OR）-SiO 3-q / 2的烷氧基取代的硅氧烷单元，其中R表示具有1至4个碳原子的烷基，并且每个R'表示 具有1至6个碳原子的烷基，苯基或式-OR和下标q的烷氧基具有0,1或2的值，只要至少两个硅键合基团或存在于嵌段共聚物中 。