Synthesis of poly(imides)in supercritical carbon dioxide

被引：0
|
作者：
Said-Galiev, EE [1 ]
Vygodskii, YS [1 ]
Nikitin, LN [1 ]
Vinokur, RA [1 ]
Gallyamov, MO [1 ]
Khokhlov, AR [1 ]
机构：
[1] Russian Acad Sci, Inst Organoelement Cpds, Moscow 117813, Russia
来源：
POLYMER SCIENCE SERIES B | 2001年 / 43卷 / 7-8期
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D O I：
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中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Poly(imides) with a quantitative yield were produced by the polycyclocondensation of dianhydride 6F, diamine 6F, and 9,9-bis(4'-aminophenyl)fluorene in supercritical carbon dioxide (32.5 MPa, 180 degreesC). The synthesized polymers have an inherent viscosity up to 0.43 dl/g, M-w = 12.4 x 10(3), M-n = 4.7 x 10(3), and M-w/M-n = 2.6. It is suggested that, in the presence of traces of water, supercritical carbon dioxide plays the role of a catalyst in the formation of poly(imides).
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页码：227 / 229
页数：3
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