EFFECTS OF BRANCH CONTENT ON RING-BANDED SPHERULITIC MORPHOLOGY AND RADIAL SPHERULITIC GROWTH RATE OF BRANCHED POLYETHYLENE

摘要：

For ethylene/α-olefin copolymers, incorporation of α-olefin comonomers can introduce short-chain branches in backbone chain, which can strongly affect crystallization and melting behaviors of polyethylene (PE). As concluded in a review 1, these copolymers have lower crystallinity, crystallization temperature (Tc) and melting point in contrast to homopolymer. In this study, one high density polyethylene (HDPE) almost with no branches and two ethylene-hexene copolymers, namely, PEH9 and PEH18 containing 8.9 and 17.9 branch points per 1000 backbone carbons, respectively, are selected to investigate the effects of short-chain branch content on the PE crystallization behaviors.

作者: Jie Qiu ZhiGang Wang

作者单位: CAS Key Laboratory of Engineering Plastic,Institute of Chemistry,Chinese Academy of Science,Beijing 100190,China

会议类型: 国际会议

会议名称: International Symposium on Polymer Physics(2008年国际高分子物理学术会议PP2008)

会议地点: 厦门

会议语种:英文

页码: 75-76

在线出版日期: 2008-06-08（万方平台首次上网日期，不代表论文的发表时间）