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Crystallization behavior of a poly(vinylidene fluoride) homopolymer and a copolymer

Authors： YUAN Haoge, MA Wenzhong, WANG Xiao-lin

Units： Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P. R. China

KeyWords： poly(vinylidene fluoride) (PVDF), crystallization, homopolymer, copolymer

ClassificationCode：TQ028.8

year,volume(issue):pagination： 2014,34(1):15-23

Abstract：

The crystallization behavior of a PVDF homopolymer and a copolymer from VDF and hexafluoropropylene were studied, and the effect of copolymerized hexafluoropropylene on the crystallization behavior of PVDF was investigated. The results indicated that both the homopolymer and copolymer formed α-crystals with spherulite structures. The crystallization (melting) temperature, equilibrium melting point and crystallinity of the copolymer are lower compared to the homopolymer. During isothermal crystallization process of the polymers, the crystallization rate decreased as the crystallization temperature increased. At the same supercooling degree, the crystallization rate of the copolymer was lower than the homopolymer

Funds：

国家重点基础研究发展计划项目(973计划)(2009CB623401)；国家高技术研究发展计划资助项目(863计划)(2009AA062901；2012AA03A604)；北京市自然科学基金重大项目(2100001)

AuthorIntro：

袁浩歌 (1989-)，男，辽宁人，博士研究生，主要研究方向为膜材料与制备，联系电话：010-62794742，E-mail：yhg12@mails.tsinghua.edu.cn *通讯联系人，E-mail：xl-wang@tsinghua.edu.cn

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