Curing agents for polyurethane and process using same

Details Curing agents for polyurethane and process using same Curing agents for polyurethane and process using same

1981-08-03

1984-02-14

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

252182, 25218831, 528 75, 528 77, 560169, C08G 1832, C08G 1862, C09K 300

Patent

active

044317905

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.

REFERENCES:
patent: 4272619 (1981-06-01), Balle et al.
patent: 4286074 (1981-08-01), Davis et al.
patent: 4296212 (1981-10-01), Ewen et al.

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