Dissipative structure in aqueous polymer solutions

H. Maeda, S. Sasaki, T. Mashita, K. Nakamura, H. Ojima, T. Gotoh, T. Fukuda, M. Yamanaka

研究成果: Contribution to journalArticle査読

抄録

Study on the rapid transport of a polymer in dextran solutions, first observed by Preston et al., is extended into two directions. They are (1) enhancement effect on the transport rate of polyvinylpyrrolidone (PVP) by the addition of a simple salt, and (2) extension to the transport of linear poiyelectroiytes. The enhancement effect was observed on the structured flow as well as on the transport rate. The enhancement effect was correlated with the densities of the solutions in the lower compartment of the diffusion cell. The correlation was improved when the rate was corrected for the differences in viscosities. We have found that effects of charges on the polymers favor the rapid transport of polyacrylates (PA) and sodium hyaluronate. Counterion condensation was manifested in the transport rate of PA. Transport rates of several salts of PA in the absence of added salt increased linearly with their partial specific volumes in water.

本文言語英語
ページ(範囲)341-344
ページ数4
ジャーナルStudies in Physical and Theoretical Chemistry
83
C
DOI
出版ステータス出版済み - 1 1 1995

All Science Journal Classification (ASJC) codes

  • 物理化学および理論化学

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