C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
400/2006, 400/20
C09J 7/02 (2006.01) B32B 7/06 (2006.01) B41M 5/52 (2006.01) C08F 287/00 (2006.01) C08L 51/00 (2006.01) C08L 53/00 (2006.01) C09J 151/06 (2006.01) B41M 5/00 (2006.01)
Patent
CA 1339225
Pressure-sensitive adhesive tape having low adhesion backsizes and release coatings that can be written on with solvent and water-based inks, the indicia remaining firmly bonded and resisting smearing. The coatings comprise copolymers of (A) free radically polymerizable vinyl monomer, (B) polar monomer in sufficient amount to impart a hydrated Tg of -15°C. to 35°C. and a difference of at least 20°C. between the hydrated and actual Tgs, and (C) siloxane-based polymer of a type and in an amount that will impart a satisfactory release value.
612066
Kantner Steven S.
Melancon Kurt C.
Mertens Timothy A.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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