THE PREPARATION OF PSI-CONTAINING BENZOXAZINE AND ITS INFLUENCE ONTHE PROPERTIES OF BISMALEIMIDE ESTER RESIN SYSTEM

Abstract

Abstract: In order to improve the poor toughness and heat resistance of bismaleimide (BMI) resin, benzoxazine monomer (BOZ) containing polysiloxane (PSi-BOZ) was synthesized via a chemical method, the hyperbranched polysiloxane with amino terminal groups (PSi-NH₂) and the phenol were chosen as the raw materials. The PSi-BOZ was then used as modification system to add into BMI, and PSi-BOZ/BMI composite with excellent comprehensive performance and good manufacturability was obtained. The influence of the addition of PSi-BOZ on the curing reaction kinetics and impact strength of BMI were also studied. This study is aiming to provide an idea for the development of new BMI resin materials.

Key words: bismaleimide, benzoxazine resin, curing kinetics, composites

CLC Number:

TB332

JIA Yuan, LIU Zhen, SHI Rui-feng, YANG Ju-xiang. THE PREPARATION OF PSI-CONTAINING BENZOXAZINE AND ITS INFLUENCE ONTHE PROPERTIES OF BISMALEIMIDE ESTER RESIN SYSTEM[J]. Composites Science and Engineering, 2020, 0(4): 65-71.

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