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Toughening reinforced epoxy composites with brominated polymeric additives
Toughening reinforced epoxy composites with brominated polymeric additives
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机译:用溴化聚合物添加剂增韧增强的环氧复合材料
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摘要
Cured polyfunctional epoxy resins including tris(hydroxyphenyl) methane triglycidyl ether are toughened by addition of polybrominated polymeric additives having an EE below 1500 to the pre-cure composition. Carboxy- terminated butadiene-acrylonitrile rubber is optionally present in the pre-cure mixture as such or as a pre-formed copolymer with other reactants. Reinforced composites, particularly carbon-reinforced composites, of these resins are disclosed and shown to have improved toughness.
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