Thermosetting polyurethane compositions

Details Thermosetting polyurethane compositions Thermosetting polyurethane compositions

1983-03-28

1984-11-27

Pertilla, Theodore E.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

4273883, 428458, 428460, 428463, 525127, 525130, 525440, 525518, 525520, 528 59, 528 66, 528 67, C08L 6128, C08L 6702

Patent

active

044852223

ABSTRACT:
Thermosetting polyurethane compositions comprising a polymer having a molecular weight of from 500 to 10,000 and containing from about 0.3 to about 15 percent by weight of one or more functional groups selected from the group consisting of --OH, --COOH, --CONH.sub.2 and ##STR1## and a mixture of monomeric and oligomeric polyfunctional substituted urethane compounds, which may be derived by reaction of a polyol and isocyanic acid, followed by methylolation and alkylation. Such compositions may be cured at elevated temperature to produce solvent-resistant coatings.

REFERENCES:
patent: 3557043 (1971-01-01), Krauss et al.
patent: 3573248 (1971-03-01), Pedain

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