Hohle, klebrige Mikrokugeln, enthaltender druckempfindlicher Klebstoff und makromolekulares Monomer enthaltendes Bindercopolymer

Pressure-sensitive adhesive comprising hollow tacky microspheres and macromonomer-containing binder copolymer

Adhésif sensible à la pression contenant des microsphères creuses collantes et liant en copolymère contenant un monomère macromoléculaire

Abstract

A repositionable pressure-sensitive adhesive comprising from about 70% to about 99% hollow, polymeric, acrylate, inherently tacky, infusible, solvent-insoluble, solvent-dispersible, elastomeric microspheres comprising at least one alkyl acrylate or alkyl methacrylate ester, a majority of the microspheres having one or more interior voids having a diameter of at least about 10% of the diameter of the microsphere, and correspondingly, from about 30% to about 1% of a binder copolymer comprising an elastomeric polymeric backbone having pendant therefrom high Tg polymeric moieties.

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Patent Citations (3)

    Publication numberPublication dateAssigneeTitle
    EP-0257984-A2March 02, 1988Minnesota Mining And Manufacturing CompanyElastische Polymer-Mikrokugeln enthaltende Haftklebeband-Struktur
    US-4166152-AAugust 28, 1979Minnesota Mining And Manufacturing CompanyTacky polymeric microspheres
    US-4166152-B1May 18, 1999Minnesota Mining & MfgTacky polymeric microspheres

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