Substituted ureas as polyurethane catalysts

Details Substituted ureas as polyurethane catalysts Substituted ureas as polyurethane catalysts

1976-10-18

1978-06-13

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75NC, 260 775AC, 260553R, C08G 1816, C08G 1818

Patent

active

040948277

ABSTRACT:
Covers a method of producing a polyurethane by utilizing compounds of the structure below as catalysts in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst: ##STR1## where R is lower alkyl and X is hydrogen or CONR.sub.1 R.sub.2 where R.sub.1 and R.sub.2 are independently selected from the group consisting of hydrogen, alkyl and aryl with the proviso that both R.sub.1 and R.sub.2 may not be aryl.

REFERENCES:
patent: 3836488 (1974-09-01), Pruitt et al.
patent: 4007140 (1977-02-01), Ibbotson

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