Design of polymer coating materials for long-term hydrophilic stability of poly(dimethylsiloxane) surfaces

Takahiro Senzaki, Shigenori Fujikawa

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Poly(dimethylsiloxane) (PDMS) is often used as a base material for microfluidic devices because of its attractive shape-molding properties, elasticity, and biocompatibility. However, sufficient long-term hydrophilic stability of PDMS surfaces has not been achieved. This study provides a new molecular design for surface-coating materials that can maintain the hydrophilicity of the PDMS surface for an ultralong-term. The recovery rates of surface hydrophobicity were distinctly different for the three polymers used for coating the PDMS substrate. The polymer with the most inert functional group maintained the hydrophilic surface over one year.

    Original languageEnglish
    Pages (from-to)1152-1155
    Number of pages4
    JournalChemistry Letters
    Volume48
    Issue number9
    DOIs
    Publication statusPublished - Jan 1 2019

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)

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