| | | | | UHMWPE对UHM W/PUEHMWPP共混冻胶纤维性能的影响 | | | 陈建军;司小娟;王依民 | | | 研究了超高分子质量聚乙烯(UHMWPE)对超高分子质量聚丙烯(UHMWPP)/UHMWPE共混冻胶纤维结晶性能、热学性能、形态结构以及力学性能的影响。结果表明:随着UHMWPE含量的增加,共混纤维结构具有更好的连贯性,并显示出较好的热学性能;当UHMWPE含量超过一定比例时,虽然共混纤维的热学性能下降,但在共混纤维中呈现出明显的类似"钢筋混凝土"结构,从而大大地提高了共混纤维的力学性能。 【作者单位】:东华大学材料科学与工程学院 上海201620 【关键词】:超高分子质量;聚丙烯;聚乙烯;纤维 【分类号】:TQ340.7 【DOI】:CNKI:SUN:SYHA.0.2007-06-009 【正文快照】: 冻胶纺丝技术最早是由Sm ith与Lemstra发明的[1~2]。UHMWPE纤维就是冻胶纺丝技术实施的典型,因力学性能优异而应用于防弹衣、防刺布、防割手套、航海缆绳等许多领域,但尚存在一些缺陷,如热力学性能与蠕变性能差等[3~4]。与UHMWPE相比,UHMWPP具有更好的热学性能以及抗蠕变性能, | | |
| | | 推荐 CAJ下载 PDF下载 | | | CAJViewer7.0阅读器支持所有CNKI文件格式,AdobeReader仅支持PDF格式 | | | | Effects of UHMWPE on Performance of UHMWPE/UHMWPP Blend Gel Fiber | | | Chen Jianjun Si Xiaojuan Wang Yimin (Material Science and Engineering College;Donghua University;Shanghai 201620) | | | Effects of UHMWPE on the crystallizing property,thermal property,morphostructure and mechanical property of UHMWPE/UHMWPP blend gel fiber were studied.Result showed that with the increasing of UHMWPE content,the blend fiber had better consistency in structure and showed good thermal property;and when the UHMWPE content exceeded certain value,though the thermal property of blend fiber decreased,the reinforced concrete-resembling structure emerged obviously in the blend fiber which greatly improved the mechanical property of blend fiber. 【Keyword】:ultra high molecular weight,PP,PE,fiber |
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