2,2-bis-[4-(3-aminophenoxy)phenyl]hexafluoropropane and polyimides on their basis

被引：0
|
作者：
Matvelashvili, G.S. [1 ]
Vlasov, V.M. [1 ]
Rusanov, A.L. [1 ]
Kazakova, G.V. [1 ]
Anisimova, N.A. [1 ]
Rogozhnikova, O.Yu. [1 ]
机构：
[1] NII Plasticheskikh Mass im. G.S., Petrova, Moscow, Russia
来源：
Vysokomolekulyarnye Soedineniya Seriya B | 1993年 / 35卷 / 06期
关键词：
Fluorine containing polymers - Heat resistance - Solubility;
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摘要：
The reaction between 2,2-bis-(4-hydroxyphenyl(hexafluoropropane and a twofold molar equivalent of m-dinitrobenzene on conditions of aromatic nucleophilic nitrosubstitution was used to prepare 2,2-bis-[4-(3-nitrophenoxy)phenyl]hexafluoropropane which was subsequently reduced to 2,2-bis-[4-(3-aminophenoxy)phenyl]hexafluoropropane. Polycyclocondensation of this diamine with some dianhydrides of aromatic tetracarboxylic acids in m-cresol gave polyimides characterized by high thermal stability, good solubility in organic solvents, and comparatively low softening points. These properties account for the improved processibility of the synthesized polyimides.
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页码：293 / 296
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