A method for the manufacture of composite pieces of film

Details A method for the manufacture of composite pieces of film A method for the manufacture of composite pieces of film

C - Chemistry, Metallurgy

08

G

C08G 18/10 (2006.01) B32B 7/12 (2006.01) C08G 18/16 (2006.01) C09J 175/04 (2006.01) B32B 31/12 (1990.01)

Patent

CA 2105600

The method for the manufacture of pieces of composite film by gluing at least two pieces of film with a polyurethane adhesive, and moistening the layer of adhesive or the film not provided with the adhesive, is characterised in that the moistening operation is carried out using an aqueous solution of at least one catalyst which accelerates the hardening reaction of the polyurethane adhesive.

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