Synthesis of polyimides in supercritical carbon dioxide

被引：15

作者：

Said-Galiyev, EE

Vygodskii, YS

Nikitin, LN

Vinokur, RA

Gallyamov, MO

Pototskaya, IV

Kireev, VV

Khokhlov, AR

Schaumburg, K

机构：

[1] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, Moscow 119991, Russia

[2] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119992, Russia

[3] DI Mendeleev Univ Chem Technol Russia, Moscow, Russia

[4] Univ Copenhagen, Dept Chem, Ctr Interdisciplinary Studies Mol Interact, DK-2100 Copenhagen, Denmark

来源：

JOURNAL OF SUPERCRITICAL FLUIDS | 2003年 / 26卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

supercritical carbon dioxide; polycyclization reaction; synthesis; polyimides;

D O I：

10.1016/S0896-8446(02)00210-3

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

One-step polycyclization reaction in supercritical carbon dioxide has been carried out for the first time and a thereby set of polyimides has been synthesized. Diphenyl-2,2-hexafluoropropane-3,3',4,4'-tetracarboxylic acid dianhydride (dianhydride 6F), 4,4'-diaminodiphenyl-2,2-hexafluoropropane (diamine 6F) and 9,9-bis(4-aminophenyl)fluorene were used as monomers. Maximum inherent viscosity of the synthesized polymers is 0.56 dl/g. It is supposed that carbon dioxide act as an acidic catalyst for the reaction in the presence of water admixture. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：147 / 156

页数：10

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