Linerless double-coated pressure-sensitive adhesive tape

Details Linerless double-coated pressure-sensitive adhesive tape Linerless double-coated pressure-sensitive adhesive tape

C - Chemistry, Metallurgy

08

J

117/27

C08J 7/00 (2006.01) C09J 7/02 (2006.01) C09J 133/08 (2006.01)

Patent

CA 1214362

-1- ABSTRACT OF THE DISCLOSURE A linerless double-coated pressure-sensitive adhesive tape of the prior art is wound directly upon itself into a roll that can later be unwound without delamination or offsetting of adhesive. The novel tape differs from the prior tape in that the pressure-sensitive adhesive at each of its faces is a substantially solvent-free, crosslinked alkyl acrylate polymer and can be aggressively tacky for uses requiring high-performance adhesion. Also provided is a composite of two pressure-sensitive adhesive tapes which are releasably adhered together adhesive face to adhesive face and then put to individual uses. The tapes are separable because their facing adhesives are substantially solvent-free, crosslinked alkyl acrylate polymers which can be aggressively tacky for uses requiring high-performance adhesion.

451220

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