C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
117/29, 204/91.4
C09J 7/02 (2006.01) B32B 7/10 (2006.01) B32B 27/08 (2006.01) B32B 27/30 (2006.01) C08F 2/46 (2006.01)
Patent
CA 1334743
A pressure-sensitive adhesive tape comprising a plurality of concurrently coated superimposed layers, at least one outer layer being a pressure-sensitive adhesive layer, contiguous layers defining an interface there- between, each of the layers comprising a photopolymerized matrix of polymeric chains; the polymeric chains extending from the matrix of one of the layers through the interface into the matrix of a contiguous layer; the polymeric chains comprising photopolymerized monomers having migrated from the matrix of each contiguous layer prior to photopolymerization, whereby the layers cannot be delaminated.
575794
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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