Catalysis of urethane modification of polymers

Details Catalysis of urethane modification of polymers Catalysis of urethane modification of polymers

C - Chemistry, Metallurgy

08

G

402/45, 400/5418

C08G 8/28 (2006.01) C08G 18/20 (2006.01) C08G 18/54 (2006.01) C08G 18/71 (2006.01) C08G 18/79 (2006.01) G03F 7/023 (2006.01)

Patent

CA 1247782

ABSTRACT OF THE DISCLOSURE A process for the catalyzed production of urethane-modified polymers comprising mixing an organic isocyanate and a phenol-formaldehyde resin in solution in the presence of a catalytic amount of a bicyclic tertiary amine.

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