Dimensions of Crosslinked Polymers without Rings

Material type: 文書・図像類

Author: 飛田　, 英孝ほか

Publisher: John Wiley & Sons, Inc

Publication date: 2022-03-09

Material Format: Digital

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Note (General)：: Mean-square radius of gyration Rg2 and the maximum span length LMS of each polymer molecule formed in the crosslinking of polymer chains that follow t...

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Material Type: 文書・図像類
Title: Dimensions of Crosslinked Polymers without Rings
Author/Editor: 飛田　, 英孝
Tobita, Hidetaka
Author Heading: 飛田　, 英孝
Tobita, Hidetaka
Publication, Distribution, etc.: John Wiley & Sons, Inc
Publication Date: 2022-03-09
Publication Date (W3CDTF): 2022-03-09
Alternative Title: Dimensions of Crosslinked Polymers without Rings
Periodical title: MACROMOLECULAR THEORY AND SIMULATIONS
No. or year of volume/issue: 31 3
Volume: 31
Issue: 3
Pages: 2100096-
ISSN (Periodical Title): ISSN : 1521-3919
Text Language Code: eng
Subject Heading: crosslinking
distribution
Monte Carlo simulation
radius of gyration
Zimm–Stockmayer theory
Target Audience: 一般
Note (General): Mean-square radius of gyration Rg2 and the maximum span length LMS of each polymer molecule formed in the crosslinking of polymer chains that follow the Schulz–Zimm distribution are determined by using the Monte Carlo simulation method for the generation of various crosslinked polymer architecture. For the random crosslinking, it is found that the expected g-ratio of Rg2 of the crosslinked polymer to that of a linear polymer for a given number of crosslinks k does not change with the crosslinking density up to the gel point. The g-ratio for a given k is larger for broader primary chain length distribution, and a convenient formula for the relationship between g and k is proposed. The linear relationship, Rg2 = 0.178 LMS applies, at least approximately, regardless of the primary chain length distribution and the crosslinking density. The relationship is essentially the same as for the branched polymers. The effect of nonrandom crosslinking is investigated through the theoretical simulation for the free-radical vinyl/divinyl copolymerization conducted in a steady-state continuous stirred tank reactor (CSTR). It is found that the nonrandomness induced by this reaction system does not change either of the universal relationships, g–k and Rg2–LMS.
source:https://onlinelibrary.wiley.com/doi/full/10.1002/mats.202100096
Access Restrictions: 限定公開
Related Material (DOI): 10.1002/mats.202100096
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ