Synthesis of Branched Polyimides Based on 9,9-Bis(4-aminophenyl)fluorene and an Oligomeric Trianhydride, a 1,3,5-Triaminotoluene Derivative

被引：11

作者：

Kuznetsov, A. A. ^{[1
]}

Akimenko, S. N. ^{[1
]}

Tzegel'skaya, A. Yu. ^{[1
]}

Perov, N. S. ^{[1
]}

Semenova, G. K. ^{[1
]}

Shakhnes, A. Kh. ^{[2
]}

Shevelev, S. A. ^{[2
]}

机构：

[1] Russian Acad Sci, Enikolopov Inst Synthet Polymer Mat, Moscow 117393, Russia

[2] Russian Acad Sci, ND Zelinskii Organ Chem Inst, Moscow 119991, Russia

来源：

POLYMER SCIENCE SERIES B | 2014年 / 56卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

HYPERBRANCHED AROMATIC POLYIMIDES; GAS-TRANSPORT PROPERTIES; HIGH-TEMPERATURE SYNTHESIS; BENZOIC-ACID; MEMBRANES; COPOLYIMIDES; POLYMER;

D O I：

10.1134/S1560090414010060

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new three-arm reactive oligomer (A3) with three end anhydride groups is prepared via the high-temperature cyclocondensation of 1,3,5-triaminotoluene disulfate with excess 2,2-propylidene-bis(phenyl-4-oxyphthalic acid) dianhydride in molten benzoic acid at 140A degrees C in the presence of [2.2.2]-diazobicyclooctane. A branched polyimide is synthesized via the one-step high-temperature catalytic polycondensation of oligomer A3 with 9,9-bis(4-aminophenyl)fluorene in benzoic acid at 140A degrees C via scheme (A3 + B2) and characterized.

引用

页码：41 / 48

页数：8

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