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Free energy of mixing for polymer solutions

発表形態:
原著論文
主要業績:
主要業績
単著・共著:
共著
発表年月:
2004年
DOI:
会議属性:
指定なし
査読:
有り
リンク情報:

日本語フィールド

著者:
Yamamoto, T., Narita, T., Nobe, M., Dobashi, T.
題名:
Free energy of mixing for polymer solutions
発表情報:
Macromolecules 巻: 37 ページ: 3475-3486
キーワード:
概要:
抄録:
The validity of the correction for the interaction parameter g of the Flory-Huggins free energy (Langmuir 2003, 19, 5240) was examined by taking the contributions of spatial variation in the volume fraction into account. Developing the statistical-mechanical view of the invariance conjecture and the Landau expansion with the nonanalytic coefficients for the polymer solutions, we showed that the chain-length dependent correction term H in the interaction parameter g was reasonably introduced. We derived the explicit function form of H as a function of chain-length and temperature to be consistent with the critical power laws for both the concentration difference and the diameter in coexisting phases. It was successfully applied to the systems polystyrene in methylcyclohexane and poly(methyl methacrylate) in 3-octanone.

英語フィールド

Author:
Yamamoto, T., Narita, T., Nobe, M., Dobashi, T.
Title:
Free energy of mixing for polymer solutions
Announcement information:
Macromolecules Vol: 37 Page: 3475-3486
An abstract:
The validity of the correction for the interaction parameter g of the Flory-Huggins free energy (Langmuir 2003, 19, 5240) was examined by taking the contributions of spatial variation in the volume fraction into account. Developing the statistical-mechanical view of the invariance conjecture and the Landau expansion with the nonanalytic coefficients for the polymer solutions, we showed that the chain-length dependent correction term H in the interaction parameter g was reasonably introduced. We derived the explicit function form of H as a function of chain-length and temperature to be consistent with the critical power laws for both the concentration difference and the diameter in coexisting phases. It was successfully applied to the systems polystyrene in methylcyclohexane and poly(methyl methacrylate) in 3-octanone.


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