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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
Source PublicationJOURNAL OF MATERIALS RESEARCH
Language英语
KeywordLow-density Polyethylene Phase-separation Behavior Blends Polypropylene Morphology Melt Miscibility Transitions Ethylene
AbstractHeterogeneous 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
Volume27Issue:10Pages:1383-1388
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational 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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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15110
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHu, WB (reprint author), Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Dept Polymer Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China.
Recommended Citation
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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