論文

査読有り 筆頭著者 責任著者
2017年11月

Orientational cross correlations between entangled branch polymers in primitive chain network simulations

JOURNAL OF CHEMICAL PHYSICS
  • Yuichi Masubuchi
  • ,
  • Ankita Pandey
  • ,
  • Yoshifumi Amamoto
  • ,
  • Takashi Uneyama

147
18
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1063/1.5001960
出版者・発行元
AMER INST PHYSICS

Although it has not been frequently discussed, contributions of the orientational cross-correlation (OCC) between entangled polymers are not negligible in the relaxation modulus. In the present study, OCC contributions were investigated for 4- and 6-arm star-branched and H-branched polymers by means of multi-chain slip-link simulations. Owing to the molecular-level description of the simulation, the segment orientation was traced separately for each molecule as well as each subchain composing the molecules. Then, the OCC was calculated between different molecules and different subchains. The results revealed that the amount of OCC between different molecules is virtually identical to that of linear polymers regardless of the branching structure. The OCC between constituent subchains of the same molecule is significantly smaller than the OCC between different molecules, although its intensity and time-dependent behavior depend on the branching structure as well as the molecular weight. These results lend support to the single-chain models given that the OCC effects are embedded into the stress-optical coefficient, which is independent of the branching structure. Published by AIP Publishing.

リンク情報
DOI
https://doi.org/10.1063/1.5001960
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000415264000028&DestApp=WOS_CPL
ID情報
  • DOI : 10.1063/1.5001960
  • ISSN : 0021-9606
  • eISSN : 1089-7690
  • Web of Science ID : WOS:000415264000028

エクスポート
BibTeX RIS