High-performance maleimide and nitrile-functionalized benzoxazines with good processibility for advanced composites applications

被引:75
作者
Chaisuwan, Thanyalak [1 ]
Ishida, Hatsuo [1 ]
机构
[1] Case Western Reserve Univ, Dept Macromol Sci & Engn, Cleveland, OH 44106 USA
关键词
composites; high-performance polymers; fibers;
D O I
10.1002/app.23509
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 maleimide and 2-aminobenzonitrile (MIan) based benzoxazine has been synthesized and characterized. This benzoxazine has maleimide and nitrile functionalities that can polymerize, resulting in a highly crosslinked material. Incorporation of the imide group increases the shear viscosity compared to monofunctional benzoxazines but not as high as difunctional benzoxazines, allowing good processibility, while maintaining excellent mechanical and thermal properties. Catalysts, epoxy copolymerization, and rubber interlayer methods are utilized to optimize the composite properties. The 60% carbon cloth-reinforced resin has achieved the flexural strength over 1 GPa. (c) 2006 Wiley Periodicals, Inc.
引用
收藏
页码:548 / 558
页数:11
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