Curing agents and process using same

Details Curing agents and process using same Curing agents and process using same

C - Chemistry, Metallurgy

08

G

402/140, 260/555

C08G 18/64 (2006.01) C08G 18/32 (2006.01) C08G 18/38 (2006.01) C08G 18/50 (2006.01) C08G 65/332 (2006.01)

Patent

CA 1169089

ABSTRACT Disclosed are novel curing agents for polyurethanes comprising reaction products of (1) a polyoxy alkylenepolyamine with (2) an alpha-substituted acrylic acid derivative wherein the substituent has a terminal hydroxyl group or (3) with a compound having an oxyrane ring and reaction products of (1) and (2) above, with (3) and (1) and (3) above, with (2). Also disclosed is a process for making polyurethanes by condensing a polyol with an isocyanate in the presence of the present curing agents in an amount ranging from 5 to 100 percent by weight of the polyol.

383637

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