Synthesis and properties of new aromatic polyimides based on 2,2′-dibromo-4,4′,5,5′-benzophenone tetracarboxylic dianhydride

被引：5
|
作者：
Banihashemi, A [1 ]
Tamami, B [1 ]
Abdolmaleki, A [1 ]
机构：
[1] Shiraz Univ, Coll Sci, Dept Chem, Shiraz 71454, Iran
来源：
POLYMER INTERNATIONAL | 2004年 / 53卷 / 08期
关键词：
polyimides; dianhydride; polycondensation; heat resistant;
D O I：
10.1002/pi.1499
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
New polyimides with enhanced thermal stability and high solubility were synthesized in common organic solvents from a new dianhydride, 2,2'-dibromo-4,4',5,5'-benzophenone tetracarboxylic dianhydride (DBBTDA). DBBTDA was used as monomer to synthesize polyimides by using various aromatic diamines. The polymers were characterized by IR and NMR spectroscopy and elemental analysis. These polyimides had good inherent viscosities in N-methyl-2-pyrrolidinone (NMP) and also high solubility and excellent thermo-oxidative stability, with 5% weight loss in the range 433 to 597 degreesC. (C) 2004 Society of Chemical Industry.
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收藏
页码：1099 / 1105
页数：7
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