Synthesis and properties of bismaleimide resins containing phthalide cardo and cyano groups

被引：7

作者：

Liu, Siyang ^{[1
]}

Wang, Yuanying ^{[1
]}

Chen, Ping ^{[1
]}

Xu, Dongwei ^{[1
]}

Xiong, Xuhai ^{[2
]}

Yan, Xiaoyu ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116024, Peoples R China

[2] Shenyang Aerosp Univ, Liaoning Key Lab Adv Polymer Matrix Composites, Shenyang, Liaoning, Peoples R China

来源：

HIGH PERFORMANCE POLYMERS | 2019年 / 31卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Bismaleimide; synthesis; properties; POLYIMIDES;

D O I：

10.1177/0954008318782342

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Two novel n approximate to 1 oligomeric bismaleimide monomers containing phthalide cardo and cyano groups (PCBMI and MCBMI) were designed and synthesized. The chemical structures of the monomers were confirmed from proton nuclear magnetic resonance spectroscopy and Fourier transform infrared spectroscopy. Both BMIs exhibit good solubility in common organic solvents, enabling easy solution processing. Thermal curing behaviors of the monomers were investigated by differential scanning calorimetry, displaying broad exothermic peaks and large thermal processing windows. Furthermore, PCBMI/carbon fiber composites were prepared, with their thermal stability and mechanical properties investigated. Thermogravimetric analysis and test of interlaminar shear strength indicated that the thermal polymerization of cyano groups improved the heat resistance of BMI resins and enhanced the interfacial adhesion at higher temperature.

引用

页码：462 / 471

页数：10

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