QQ客服 官方微博 反馈留言

	Effect of structure and morphology on photo-oxidation degradation of polyethylene
	Yang, Rui ; Liu, Ying ; Yu, Jian
	2010-05-07 ; 2010-05-07
会议名称	PRICM 6: SIXTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, PTS 1-3 ; 6th Pacific Rim International Conference on Advanced Materials and Processing ; Cheju Isl, SOUTH KOREA ; Web of Science ; INSPEC
关键词	polyethylene photo-oxidation branch crystallinity FILMS DSC Materials Science, Multidisciplinary
中文摘要	Photo-oxidation of polyethylene (PE) has been studied thoroughly these years owing to its high output and various applications, which makes knowledge about its degradation of vital practical importance. Polyethylene products often Suffer from service environment factors including ultraviolet, beat or chemicals, which may deteriorate their mechanical properties. The degradation behavior varies with the chain structure and morphology of polyethylene, e.g., branches, linear segments length and crystallization. Natural degradation of three kinds of polyethylene (HDPE, LDPE and LLDPE) has been examined in samples using different annealing conditions in this work. The extent of degradation, described as carbonyl index, was evaluated by Fourier transform infrared spectroscopy (FTIR). Crystallinity measurements were made using differential scanning calorimetry(DSC). The investigation indicates that the branch structure plays a dominant role in the photo-oxidation of polyethylene. Annealing will change the crystallinity of polyethylene before aging, but do not show obvious dependence on the oxidation.
会议录出版者	TRANS TECH PUBLICATIONS LTD ; STAFA-ZURICH ; LAUBLSRUTISTR 24, CH-8717 STAFA-ZURICH, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/17142]
专题	清华大学
推荐引用方式 GB/T 7714	Yang, Rui,Liu, Ying,Yu, Jian. Effect of structure and morphology on photo-oxidation degradation of polyethylene[C]. 见:PRICM 6: SIXTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, PTS 1-3, 6th Pacific Rim International Conference on Advanced Materials and Processing, Cheju Isl, SOUTH KOREA, Web of Science, INSPEC.

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。