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Issue 61, 2016
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Liquid marble containing degradable polyperoxides for adhesion force-changeable pressure-sensitive adhesives

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Abstract

Liquid marbles containing a sticky polyperoxide were prepared by the in situ copolymerization of the 1,3-diene monomer with oxygen. The as-prepared liquid marbles had a non-sticky nature and could move on any substrates due to the presence of hard particles on their surfaces, while the squeezed liquid marble developed adhesion force-tunable PSA properties due to the outflow of the inner materials. The 180° peel strength of the squeezed liquid marble increased by heating at 90 °C for 1 h or by UV irradiation at 0.86 J cm−2 because the cohesive force of the adhesive layer increased by the additional polymerization initiated by moderate decomposition of the polyperoxide. The increased 180° peel strengths were significantly decreased again to almost zero, i.e., dismantling, after an additional heating at 150 °C for 1 h because of an excess increase in the cohesive force as pressure-sensitive adhesives, where cross-linking took place as a result of significant decomposition of the polyperoxide accompanied by hydrogen abstraction and coupling.

Graphical abstract: Liquid marble containing degradable polyperoxides for adhesion force-changeable pressure-sensitive adhesives

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Publication details

The article was received on 25 Apr 2016, accepted on 05 Jun 2016 and first published on 06 Jun 2016


Article type: Paper
DOI: 10.1039/C6RA10677C
Citation: RSC Adv., 2016,6, 56475-56481

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    Liquid marble containing degradable polyperoxides for adhesion force-changeable pressure-sensitive adhesives

    E. Sato, M. Yuri, S. Fujii, T. Nishiyama, Y. Nakamura and H. Horibe, RSC Adv., 2016, 6, 56475
    DOI: 10.1039/C6RA10677C

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