Polymers prepared from 4,4'-bis-[2-(3,4-(dicarboxyphenyl) hexafluoroisopropyl] diphenyl ether dianhydride
申请人:HOECHST CELANESE CORPORATION
公开号:EP0317943A2
公开(公告)日:1989-05-31
The application relates to fluorine-containing polyimides, polyamide-acids/esters, polyamides, addition polyimides and imide oligomers which exhibit low melting points, better solubilities, low dielectric constants, superior thermal and thermal oxidative stability, and improved processing characteristics.
The products of this application are characterized by the fact that they are derived from 4,4'-bis[2-(3,4-(dicarboxyphenyl)hexafluoroisopropyl]diphenyl ether dianhydride.
本申请涉及含氟聚酰亚胺、聚酰胺酸/酯、聚酰胺、加成聚酰亚胺和亚胺低聚物,它们具有低熔点、更好的溶解性、低介电常数、优异的热稳定性和热氧化稳定性,以及更好的加工特性。
这种应用产品的特点是它们来自 4,4'-双[2-(3,4-(二羧基苯基)六氟异丙基]二苯醚二酐。