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Preparation and Properties of High- temperature Resistant and Toughened Epoxy Resins Matrix

机译:耐高温和钢化环氧树脂基质的制备与性能

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Epoxy resins are widely used as resins matrix for structural composites and adhesives. However,epoxy resins still have two drawbacks: 1) relatively high dielectric loss and poor water absorption properties [1]; 2) brittlement because of high crosslink densities [2]. Cyanate ester resin,a relative newcomer to the composites industry,is an important example of modi-ers for epoxy resin. Cyanate ester-epoxy resins exhibit superior performance,such as low moisture absorption,excellent electrical properties,good flammability characteristics and high performance/cost ratio. Recently,this blend has been widely used in both the aerospace and electronic industry. Besides,blending of thermoplastics with epoxy resins is an attractive method for improving the fracture toughness of epoxy resin. There are many reports on epoxy/cyanate or epoxy/thermoplastic blends. But few studies on epoxy/cyanate/ thermoplastic ternary blend can be seen.
机译:环氧树脂广泛用作结构复合材料和粘合剂的树脂基质。然而,环氧树脂仍然具有两个缺点:1)相对高的介电损耗和吸水性差差[1]; 2)由于高交联密度而设计[2]。氰酸酯树脂是复合材料行业的相对新人,是环氧树脂的MODI-ERS的一个重要例子。氰酸酯 - 环氧树脂表现出卓越的性能,例如低吸湿性,优异的电性能,良好的可燃性特性和高性能/成本比。最近,这种混合物已广泛用于航空航天和电子工业。此外,具有环氧树脂的热塑性塑料的混合是一种改善环氧树脂断裂韧性的吸引方法。环氧/氰酸酯或环氧/热塑性混合物有很多报道。但可以看到少数关于环氧/氰酸氰/热塑性三元共混物的研究。

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