Influence of shear on polypropylene crystallization kinetics

	Influence of shear on polypropylene crystallization kinetics
	Huo H ; Meng YF ; Li HF ; Jiang SC ; An LJ
刊名	european physical journal e
	2004
卷号	15 期号:2 页码:167-175
关键词	FLOW-INDUCED CRYSTALLIZATION ISOTACTIC POLYPROPYLENE ENHANCED CRYSTALLIZATION POLYMER CRYSTALLIZATION POLY(ETHYLENE OXIDE) ELONGATIONAL FLOW STRESS-RELAXATION PHYSICAL GELATION NUCLEATING-AGENT MOLECULAR-WEIGHT
ISSN号	1292-8941
通讯作者	huo h
中文摘要	isothermal crystallization kinetics under shear in the melt of ipp was investigated by optical microscopy. it appears that shearing from 200 to the crystallization temperatures enhanced the kinetics, but the shear effect was not obvious if the melt of ipp was sheared only at 200. the experiment results show that relaxation plays an important role during crystallization, and that spherulite growth rates increased with shear rates and were governed by relaxation. the effect of flow on the crystallization kinetics can be understood by considering that the increase of the degree of order due to flow results is an effective change of the melt free energy. the laurizen-hoffman theory and the de-iaa model were used to describe the shear-induced crystallization kinetics of ipp excellently.
收录类别	SCI
语种	英语
WOS记录号	WOS:000225054500008
公开日期	2010-08-17
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/14891]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	Huo H,Meng YF,Li HF,et al. Influence of shear on polypropylene crystallization kinetics[J]. european physical journal e,2004,15(2):167-175.
APA	Huo H,Meng YF,Li HF,Jiang SC,&An LJ.(2004).Influence of shear on polypropylene crystallization kinetics.european physical journal e,15(2),167-175.
MLA	Huo H,et al."Influence of shear on polypropylene crystallization kinetics".european physical journal e 15.2(2004):167-175.