Monte Carlo simulations of crystallization in heterogeneous copolymers: The role of copolymer fractions with intermediate comonomer content

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	Monte Carlo simulations of crystallization in heterogeneous copolymers: The role of copolymer fractions with intermediate comonomer content
	Yang, F ; Gao, HH ; Hu, WB
刊名	JOURNAL OF MATERIALS RESEARCH
	2012
卷号	27 期号:10 页码:1383-1388
关键词	LOW-DENSITY POLYETHYLENE PHASE-SEPARATION BEHAVIOR BLENDS POLYPROPYLENE MORPHOLOGY MELT MISCIBILITY TRANSITIONS ETHYLENE
ISSN号	0884-2914
通讯作者	Hu, WB (reprint author), Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Dept Polymer Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China.
英文摘要	Heterogeneous copolymers contain diverse comonomer contents among copolymers, and the extremely diverse case becomes a binary polymer blend. We report a numerical study of crystallization in two series of heterogeneous copolymers that are separated with strong and weak heterogeneities of comonomer distributions, and both of which are composed of crystallizable monomers and noncrystallizable comonomers with various compositions. A comparison of simulation results between these two series of samples demonstrates that, something like a compatibilizer in an incompatible polymer blend, copolymer fractions with intermediate comonomer contents between two compositional extremities depress the prior liquid-liquid demixing on cooling, and hence weaken the subsequent crystallization behaviors. However, we found that in these intermediate fractions, comonomers distribute quite homogeneously on each chain and the amphiphilicity occurs on multiple short sequences, rather than like on a diblock copolymer.
学科主题	Physics
收录类别	SCI
资助信息	National Natural Science Foundation of China [20825415]; National Basic Research Program of China [2011CB606100]
原文出处	http://dx.doi.org/10.1557/jmr.2012.9
语种	英语
WOS记录号	WOS:000304067100007
公开日期	2014-04-25
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/15110]
专题	理论物理研究所_理论物理所1978-2010年知识产出
推荐引用方式 GB/T 7714	Yang, F,Gao, HH,Hu, WB. Monte Carlo simulations of crystallization in heterogeneous copolymers: The role of copolymer fractions with intermediate comonomer content[J]. JOURNAL OF MATERIALS RESEARCH,2012,27(10):1383-1388.
APA	Yang, F,Gao, HH,&Hu, WB.(2012).Monte Carlo simulations of crystallization in heterogeneous copolymers: The role of copolymer fractions with intermediate comonomer content.JOURNAL OF MATERIALS RESEARCH,27(10),1383-1388.
MLA	Yang, F,et al."Monte Carlo simulations of crystallization in heterogeneous copolymers: The role of copolymer fractions with intermediate comonomer content".JOURNAL OF MATERIALS RESEARCH 27.10(2012):1383-1388.