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MONTE CARLO STUDIES OF THE CONFINEMENT EFFECTS ON THE ENTANGLEMENT OF POLYMER CHAINS
Yang Yongbiao; Sun Zhaoyan; An Lijia
2011-05-20
Source PublicationACTA POLYMERICA SINICA
ISSN1000-3304
Issue5Pages:554-559
AbstractBased on lattice model Monte Carlo simulations were carried out to investigate the influence of channel confinement on the properties of entangled (Linear-250) and disentangled (Linear-30) linear polymers with different sizes of channel. It is found that the molecular size of both Linear-30 and Linear-250 monotonously decreases with decreasing the channel size, i.e. channel confinement has similar influence on the static properties of linear chains whether they are entangled or not. As for the dynamical properties, the diffusion coefficient of Linear-30 decreases with decreasing channel size; while that of Linear-250 first increases and then decreases, which implies that the confinement will help to untangle the linear chains. Furthermore, the single target ring (which can be regarded as a test chain) in the matrix of confined Linear-30 and Linear-250 systems is also studied. The static properties of the target ring do not show clear change for these two systems; however, the diffusion coefficients of Z direction of ring in the entangled linear matrix show great difference from that of the disentangled one. This is a further evidence for the untangle effect of confinement.
KeywordMonte Carlo Simulation Confinement Entanglement
DOI10.3724/SP.J.1105.2011.10134
Indexed BySCI
Language英语
WOS IDWOS:000291240400019
PublisherSCIENCE PRESS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72108
Collection中国科学院化学研究所
Corresponding AuthorYang Yongbiao
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Yang Yongbiao,Sun Zhaoyan,An Lijia. MONTE CARLO STUDIES OF THE CONFINEMENT EFFECTS ON THE ENTANGLEMENT OF POLYMER CHAINS[J]. ACTA POLYMERICA SINICA,2011(5):554-559.
APA Yang Yongbiao,Sun Zhaoyan,&An Lijia.(2011).MONTE CARLO STUDIES OF THE CONFINEMENT EFFECTS ON THE ENTANGLEMENT OF POLYMER CHAINS.ACTA POLYMERICA SINICA(5),554-559.
MLA Yang Yongbiao,et al."MONTE CARLO STUDIES OF THE CONFINEMENT EFFECTS ON THE ENTANGLEMENT OF POLYMER CHAINS".ACTA POLYMERICA SINICA .5(2011):554-559.
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