ICCAS OpenIR
Monte Carlo simulation of phase separation kinetics in a concentrated polymer solution
Xu, GQ; Zhu, JX; Ding, JD; Yang, YL
1998-08-01
Source PublicationSCIENCE IN CHINA SERIES B-CHEMISTRY
ISSN1006-9291
Volume41Issue:4Pages:424-431
AbstractSpinodal decomposition (SD) kinetics in a concentrated polymer solution was investigated with dynamic Monte Carlo simulation. It is found that the positions of scattering peaks are altered during the early stage of phase separation, which cannot be described by the classic Cahn-Hilliard linearized theory quite well, whereas during the late stage SD induced by a deep off-critical quench, the structure factors can be scaled with Furukawa dynamic scaling law associated with a percolation morphology instead of with a non-continuous phase morphology, Our simulation outputs agree basically with the experimental observations in the pertinent Literature. It is also revealed that after a deep quench, chain coils shrink strikingly at first and then expand gradually during phase separation. As a consequence, this paper demonstrates that the dynamic Monte Carlo method is unique in detecting both chain configurations and phase separation kinetics and thus very useful for elucidating their relationship in mixtures containing macromolecules.
KeywordPhase Separation Kinetics Concentrated Polymer Solution Monte Carlo Simulation
Indexed BySCI
Language英语
WOS IDWOS:000075346800012
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74644
Collection中国科学院化学研究所
Corresponding AuthorDing, JD
Affiliation1.Fudan Univ, Lab Mol Engn Polymers, Dept Macromol Sci, Shanghai 200433, Peoples R China
2.Acad Sinica, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Xu, GQ,Zhu, JX,Ding, JD,et al. Monte Carlo simulation of phase separation kinetics in a concentrated polymer solution[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,1998,41(4):424-431.
APA Xu, GQ,Zhu, JX,Ding, JD,&Yang, YL.(1998).Monte Carlo simulation of phase separation kinetics in a concentrated polymer solution.SCIENCE IN CHINA SERIES B-CHEMISTRY,41(4),424-431.
MLA Xu, GQ,et al."Monte Carlo simulation of phase separation kinetics in a concentrated polymer solution".SCIENCE IN CHINA SERIES B-CHEMISTRY 41.4(1998):424-431.
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