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作者机构:Institute of Polymer Composites Zhejiang University/Key Laboratory of Macromolecular Synthesis and Functionalization Hangzhou China Lab of Polymer Materials and Engineering Ningbo Institute of Technology Zhejiang University Ningbo China Zhejiang Institute of Technical Physics Hangzhou China
出 版 物:《中国高等学校学术文摘·材料科学》 (FRONTIERS OF MATERIALS SCIENCE IN CHINA)
年 卷 期:2008年第2卷第4期
页 面:426-429页
核心收录:
学科分类:08[工学] 0805[工学-材料科学与工程(可授工学、理学学位)] 080502[工学-材料学]
主 题:electron beam irradiation cross-linking mechanical properties Mg(OH)2 HDPE/EVA
摘 要:The mechanical properties and flammability of high-density polyethylene (HDPE)/ethylene vinyl acetate (EVA) mixed with various amounts of magnesium hydroxide (Mg(OH)2) as the filler in composites, irra-diated with electron beam at an irradiation dose of 150 kGy, have been studied. It is found that high-energy electron beam irradiation has significant effects on the mechanical properties of the HDPE/EVA/Mg(OH)2 com-posites. The tensile strength and elastic modulus increased greater than in the unirradiated ones. Meanwhile, with increasing the content of Mg(OH)2 in the composites, the limiting oxygen index (LOI) value increased sharply. The microstructure of the caves of the unirradiated HDPE/EVA/Mg(OH)2 composites show poor interface of composites compared with the irradiated ones, as observed in SEM micrographs.