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题名: Monte Carlo simulations of crystallization in heterogeneous copolymers: The role of copolymer fractions with intermediate comonomer content
作者: Yang, F ;  Gao, HH ;  Hu, WB
刊名: JOURNAL OF MATERIALS RESEARCH
出版日期: 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
学科分类: Physics
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.
部门归属: [Hu, Wenbing] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Dept Polymer Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China; Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, 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.
资助者: National Natural Science Foundation of China [20825415]; National Basic Research Program of China [2011CB606100]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000304067100007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15110
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
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.
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