Latent urethane resin systems

Details Latent urethane resin systems Latent urethane resin systems

1981-12-17

1983-06-28

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...

525459, 528904, 528906, C08G 1832

Patent

active

043906796

ABSTRACT:
Urethane resins containing, as latent hardeners, the reaction products of an acid anhydride or imide, such as phthalic anhydride, and an aromatic or cycloaliphatic polyamine, said resin systems being stable for long periods when stored at ambient or moderately elevated temperatures while providing on curing for relatively short periods at elevated temperatures, on the order of 100.degree.-150.degree. C., hardened products of good properties.

REFERENCES:
patent: 3261882 (1966-07-01), Gorton
patent: 3488742 (1970-01-01), Blekicki
patent: 3639657 (1972-02-01), Moran et al.
patent: 3759914 (1973-09-01), Simms et al.
patent: 3886228 (1975-05-01), Bolger
patent: 3963680 (1976-06-01), O'Keefe et al.
patent: 4182898 (1980-01-01), Fujiwara et al.
patent: 4212916 (1980-07-01), Tanaka et al.

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