C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
117/29, 204/91.6
C09J 7/02 (2006.01) B32B 7/10 (2006.01) B32B 27/30 (2006.01) C09J 133/06 (2006.01) B32B 31/28 (1990.01)
Patent
CA 1334521
A pressure-sensitive adhesive tape comprising a plurality of superimposed layers, at least one outer layer being a pressure-sensitive adhesive layer, contiguous layers defining an interface therebetween, each of said layers comprising a photopolymerized matrix of polymeric chains; said polymeric chains extending from the matrix of one of said layers through said interface into the matrix of a contiguous layer; said polymeric chains comprising polymerized monomers having migrated from the matrix of each contiguous layer prior to polymerization, whereby said layers cannot be delaminated.
545610
Johnson Gordon G.
Korpela Susan L.
Vernon Caroline L.
Zimmerman Patrick G.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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