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PROCESS FOR THE PREPARATION OF THERMALLY STABLE COPOLY (IMIDE-AMIDE)CONTAINING DIORGANOPOLYSILOXANE GROUPS

机译:包含二有机聚硅氧烷基团的热稳定的钴(酰亚胺)的制备方法

摘要

The present invention relates to a novel process for the preparation of heat-stable copolymers which contain, in their structure, recurring units formed of imide-amide groups and diorganopolysiloxane groups. …??More precisely, these copolymers are obtained by direct reaction, in a solvent medium, of a diisocyanate of the formula …IMAGE… with A = a valency bond or a divalent radical, a monoanhydride of a tricarboxylic acid of the formula …IMAGE… (II) with B = an aromatic trivalent radical, and a siloxane diisocyanate of the formula …IMAGE… with D = a divalent hydrocarbon radical of alkylaromatic nature, which can contain one or more heteroatoms, R1 to R8 = hydrocarbon radicals and x + y = a number ranging from 0 to 100.
机译:本发明涉及一种制备热稳定共聚物的新方法,该共聚物在结构上含有由酰亚胺-酰胺基和二有机聚硅氧烷基形成的重复单元。 ……更准确地说,这些共聚物是通过在溶剂介质中,将式为……的A =价键或二价基团的三羧酸单酐直接与反应式获得的。具有B =芳族三价基团的式……(II)和具有……D =烷基芳族性质的二价烃基的式…<IMAGE>…的硅氧烷二异氰酸酯,其可以包含一个或多个杂原子R 1 R8 =烃基,x + y = 0到100之间的数字。

著录项

  • 公开/公告号AU4151289A

    专利类型

  • 公开/公告日1990-03-22

    原文格式PDF

  • 申请/专利权人 RHONE-POULENC CHIMIE;

    申请/专利号AU19890041512

  • 发明设计人 CHRISTIAN PRUDHOMME;PHILIPPE MICHAUD;

    申请日1989-09-18

  • 分类号C08G18/77;C08G18/34;C08G18/76;C08G77/42;C08G73/10;

  • 国家 AU

  • 入库时间 2022-08-22 06:15:42

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