Two-pack aqueous adhesive

Details Two-pack aqueous adhesive Two-pack aqueous adhesive

C - Chemistry, Metallurgy

09

J

C09J 175/06 (2006.01) C08G 18/12 (2006.01) C08G 18/44 (2006.01) C09J 175/04 (2006.01)

Patent

CA 2155225

A two-pack aqueous adhesive, which comprises (A) an adhesive component comprising (a) a polycarbonate-urethane aqueous dispersion having a pH 5.0 - 8.5, which is prepared by self-emulsifying a carboxyl group-containing, hydroxy- terminated polyurethane polymer obtained from a polycarbonate diol, a carboxyl group-containing chain extender and a polyisocyanate compound in water in the presence of a tertiary amine, and (b) a conventional aqueous emulsion of a synthetic resin or a synthetic rubber, and (B) a curing component comprising a polyisocyanate compound, which can be cured even at a low temperature and is suitable for dry lamination of a proudct having complicated shape.

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