Coating processes – Coating remains adhesive or is intended to be made adhesive – Pressure sensitive adhesive
Patent
1988-06-28
1990-01-16
Pianalto, Bernard
Coating processes
Coating remains adhesive or is intended to be made adhesive
Pressure sensitive adhesive
427 541, 427333, B05D 510
Patent
active
048942596
ABSTRACT:
A process of making 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 therebetween, 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.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Neaveill Darla P.
Pianalto Bernard
Sell Donald M.
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