Aqueous cold seal release lacquer

Details Aqueous cold seal release lacquer Aqueous cold seal release lacquer

C - Chemistry, Metallurgy

08

L

C08L 77/06 (2006.01) C08G 69/26 (2006.01) C08G 69/28 (2006.01) C08L 91/06 (2006.01) C09D 177/08 (2006.01)

Patent

CA 2158144

An aqueous cold seal release varnish comprising the reaction product of a mixture comprising 30-50 parts of a polyamide block copolymer having an acid value of 30-45, 1-5 parts of an amide wax, 10-20 parts of at least one C1-C4 alkanol, 5-10 parts of an amine and 15-55 parts of water. The mixture is dissolved by heating at a temperature of 75°-85°C for a period of time of not more than 90 minutes to produce a varnish. An aqueous cold seal release lacquer (CSRL) is prepared from the varnish by mixing with a C1-C4 alkanol, water and a surfactant.

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