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Yang, F; Gao, HH; Hu, WB; 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.
Monte Carlo simulations of crystallization in heterogeneous copolymers: The role of copolymer fractions with intermediate comonomer content
发表期刊JOURNAL OF MATERIALS RESEARCH
语种英语
关键词Low-density Polyethylene Phase-separation Behavior Blends Polypropylene Morphology Melt Miscibility Transitions Ethylene
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.
2012
ISSN0884-2914
卷号27期号:10页码:1383-1388
学科领域Physics
收录类别SCI
项目资助者National Natural Science Foundation of China [20825415]; National Basic Research Program of China [2011CB606100] ; National Natural Science Foundation of China [20825415]; National Basic Research Program of China [2011CB606100] ; National Natural Science Foundation of China [20825415]; National Basic Research Program of China [2011CB606100] ; National Natural Science Foundation of China [20825415]; National Basic Research Program of China [2011CB606100]
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15110
专题理论物理所科研产出_SCI论文
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.
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GB/T 7714
Yang, F,Gao, HH,Hu, WB,et al. 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,&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.
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