Poly(amido-imide)s based on amino-terminated oligoimides

被引：1
|
作者：
Patel, HS [1 ]
Dixit, BC [1 ]
Patel, NP [1 ]
机构：
[1] Sardar Patel Univ, Dept Chem, Vallabh Vidyanagar 388120, Gujarat, India
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2000年 / 39卷 / 02期
关键词：
oligoimide; poly(amido-imide)s; glass- and carbon-fiber-reinforced laminates; epoxy resin;
D O I：
10.1081/PPT-100100034
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
An amino-terminated oligoimide was prepared by Michael addition reaction of 1,6-hexane bismaleimide (HBM) and 4,4'-diamino diphenyl methane (DDM) at a HBM : DDM molar ratio of 1 : 2. The poly(amidoimide)s (PAIs) were also prepared by condensation of this HBM : DDM oligoimide with various aliphatic bisesters. The resultant PAIs were characterized by elemental analysis, infrared spectral studies, and number-average molecular weight ((M) over bar(n)) estimated by nonaqueous conductometric titration. The curing behavior of diglycidyl ether of bisphenol-A (a commercial epoxy resin) (DGEBA) using the PAIs system was monitored by differential scanning calorimetry. The unreinforced PAI-epoxy-cured products have also been prepared and analyzed thermogravimetrically. From the curing temperature of DGEBA-PAI systems, the glass- and carbon-fiber-reinforced laminates (i.e., composites) based on these systems have also been prepared and characterized.
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页码：351 / 362
页数：12
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