Synthesis and properties of thermally resistant poly(amide-imide)s

被引：4

作者：

Chan, KC ^{[1
]}

Chang, TC ^{[1
]}

机构：

[1] Chung Yuan Christian Univ, Dept Chem Engn, Chungli 32023, Taiwan

来源：

POLYMER JOURNAL | 1998年 / 30卷 / 11期

关键词：

poly(amide-imide)s; biphenyl imide; direct polycondensation; thermal stability;

D O I：

10.1295/polymj.30.897

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 series of poly(amide-imide)s has been synthesized by the direct polycondensation of biphenyl imide containing diacids with aromatic diamines using triphenylphosphite (TPP) as the condensation agent in a N-methyl-2-pyrrolidone (NMP)-pyridine solution containing 3.5wt% LiCl. The direct polycondensation was markedly facilitated to give high-molecular-weight (0.24 < eta(inh) < 2.38) of poly(amide-imide)s in quantitative yield. The thermal properties of the obtained poly(amide-imide)s were examined by DSC and TGA. The synthesized poly(amide-imide)s possessed glass transition temperature in the range of 285-337 degrees C. The poly(amide-imide)s exhibited excellent thermal stabilities and had 10% weight loss at the temperature in the range of 475-597 degrees C under nitrogen atmosphere. With the exception of polymer BP-2 series, the poly(amide-imide)s showed good solubility in NMP, N,N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO).

引用

页码：897 / 903

页数：7

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