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马来酸酐接枝聚乙烯对无卤阻燃PE-HD护套料的改性研究
PE-g-MAH Modified Halogen-Free Flame Retardant PE-HD for Cable Jackets
【摘要】 研究了马来酸酐接枝聚乙烯对无卤抑烟阻燃PE HD护套料的改性效果 ,并进行了增韧机理上的探讨。采用扫描电镜对复合材料进行了断面观察 ,并测试了材料的力学性能、流变性能、耐热性能和氧指数。结果表明 ,马来酸酐接枝聚乙烯能够极大地提高复合材料的界面相容性 ,增强材料的界面相互作用 ,提高阻燃剂微粒在树脂基体中的分散效果 ,同时形成了一个可塑性界面层 ,所以能够提高材料的韧性。
【Abstract】 The halogen-free flame retardant PE-HD for cable jackets was modified with maleic anhydride grafted polyethylene (PE-g-MAH). The mechanical, rheological, thermal properties and the oxygen index of the alloy were determined, the fractured surface was investigated using SEM. It was found that the PE-g-MAH increased the interaction between the PE-HD and the flame retardant, and promoted the dispersion of the latter in the former. The toughness of materials was also improved.
【关键词】 阻燃;
增容;
马来酸酐接枝聚乙烯;
氢氧化镁;
硼酸锌;
【Key words】 flame retardancy; compatibilization; maleic anhydride grafted polyethylene; magnesium hydroxide; zinc borate;
【Key words】 flame retardancy; compatibilization; maleic anhydride grafted polyethylene; magnesium hydroxide; zinc borate;
- 【文献出处】 中国塑料 ,China Plastics , 编辑部邮箱 ,2004年06期
- 【分类号】TQ325.12
- 【被引频次】14
- 【下载频次】585