C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1302, 400/40
C08L 25/14 (2006.01) C08L 27/06 (2006.01) C08L 31/04 (2006.01) C08L 33/04 (2006.01) C09J 7/02 (2006.01)
Patent
CA 1043026
ABSTRACT OF THE DISCLOSURE Release coating compositions for pressure sensitive adhesive articles arc prepared from a hydrocolloid stabilized aqueous emulsion of a crosslinkable vinyl type polymer and a release promoting compound, wherein the hydrocolloid is the main emulsifier or protective colloid. The release coating compositions herein are characterized by remaining migration- free without the use of an organic solvent and by their ability to be readily separated from the adhesive layer without con- taminating the same.
230737
Caimi Ronald J.
Schlauch Walter F.
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