Dependency of swelling on the length of subchain in poly(N,N-dimethylacrylamide)-based gels

Lev Bromberg, Alexander Yu Grosberg, Eriko Sato Matsuo, Yasuo Suzuki, Toyoichi Tanaka

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The equilibrium swelling degree of poly(N,N-dimethylacrylamide) (polyDMAAm)-based gels in water was systematically studied with various initial monomer (cm) and cross-linker (cxl) concentrations, and as a function of initial concentration of fully ionized co-monomer, 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS). Proportionality of the length of a subchain (N) in the gels to [cxl(cm+cxl)]-1 was revealed, both theoretically and experimentally. Equilibrium swelling data indicate non-Gaussian elasticity of the gel network.

    Original languageEnglish (US)
    Pages (from-to)2906-2910
    Number of pages5
    JournalJournal of Chemical Physics
    Volume106
    Issue number7
    DOIs
    StatePublished - Feb 15 1997

    ASJC Scopus subject areas

    • Physics and Astronomy(all)
    • Physical and Theoretical Chemistry

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