Effect of Molecular Architecture on Conformational Relaxation of Polymer Chains at Interfaces

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    Dynamics of polymer chains near an interface with an inorganic material are believed to strongly affect the physical properties of polymers in nanocomposites and thin films. An effect of molecular architecture on the conformational relaxation behavior of polystyrene (PS) chains at the quartz interface using sum-frequency generation spectroscopy is reported here. The relaxation dynamics of chains in direct contact with the quartz interface is slower with a star-shaped architecture than that with its linear counterpart. The extent of the delay becomes more pronounced with increasing number of arms. This can be explained in terms of the superior interfacial activity to the quartz surface for the star-shaped PS.

    本文言語英語
    論文番号2000096
    ジャーナルMacromolecular rapid communications
    41
    21
    DOI
    出版ステータス出版済み - 11 1 2020

    All Science Journal Classification (ASJC) codes

    • 有機化学
    • ポリマーおよびプラスチック
    • 材料化学

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