Adhesion of gels by silica particle

Hidekazu Abe, Yusuke Hara, Shingo Maeda, Shuji Hashimoto

    Research output: Contribution to journalArticle

    9 Citations (Scopus)

    Abstract

    In this study, a method for achieving adhesion between two positively charged gels with high mechanical strength was developed. By utilizing a silica particle dispersion as a binder, the gels easily adhered to each other and remained stable for up to 11 days when immersed in aqueous solution. The adhesion force between the two positively charged semi-interpenetrating network gels with the silica particle was measured to be up to approximately 20 kPa, which is around 10 times larger than that with a charged polymer-rich liquid as a cross-linker (approximately 1.5 kPa). It was demonstrated that the adhesion force was a result of two types of interactions: an electrostatic attractive force between the cationic gel surface and hydrogen bonding among the silica particles. In addition, it was shown that the adhesion force was dependent on solution pH, which was attributed to changes in the charge of the silica particles.

    Original languageEnglish
    Pages (from-to)2518-2522
    Number of pages5
    JournalJournal of Physical Chemistry B
    Volume118
    Issue number9
    DOIs
    Publication statusPublished - 2014 Mar 6

    Fingerprint

    Silica Gel
    Silicon Dioxide
    Particles (particulate matter)
    adhesion
    Adhesion
    Gels
    Silica
    gels
    silicon dioxide
    Interpenetrating polymer networks
    Electrostatic force
    Strength of materials
    Binders
    Hydrogen bonds
    Polymers
    electrostatics
    aqueous solutions
    polymers
    Liquids
    hydrogen

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Materials Chemistry
    • Surfaces, Coatings and Films

    Cite this

    Abe, H., Hara, Y., Maeda, S., & Hashimoto, S. (2014). Adhesion of gels by silica particle. Journal of Physical Chemistry B, 118(9), 2518-2522. https://doi.org/10.1021/jp410367v

    Adhesion of gels by silica particle. / Abe, Hidekazu; Hara, Yusuke; Maeda, Shingo; Hashimoto, Shuji.

    In: Journal of Physical Chemistry B, Vol. 118, No. 9, 06.03.2014, p. 2518-2522.

    Research output: Contribution to journalArticle

    Abe, H, Hara, Y, Maeda, S & Hashimoto, S 2014, 'Adhesion of gels by silica particle', Journal of Physical Chemistry B, vol. 118, no. 9, pp. 2518-2522. https://doi.org/10.1021/jp410367v
    Abe H, Hara Y, Maeda S, Hashimoto S. Adhesion of gels by silica particle. Journal of Physical Chemistry B. 2014 Mar 6;118(9):2518-2522. https://doi.org/10.1021/jp410367v
    Abe, Hidekazu ; Hara, Yusuke ; Maeda, Shingo ; Hashimoto, Shuji. / Adhesion of gels by silica particle. In: Journal of Physical Chemistry B. 2014 ; Vol. 118, No. 9. pp. 2518-2522.
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