Urea derivatives and use as polyurethane catalysts

Details Urea derivatives and use as polyurethane catalysts Urea derivatives and use as polyurethane catalysts

1979-06-12

1980-12-30

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 76, 521 80, 528 53, 544 86, 544121, 544169, 544357, C08G 1820, C08G 1814, C07D29510, C07D41312

Patent

active

042424674

ABSTRACT:
Covers compounds of the formula: ##STR1## where R and R.sub.1, when taken individually are lower alkyl or when taken together represent ##STR2## z is an integer of 2-6 and X is O or N--R.sub.2 where R.sub.2 is lower alkyl. Also covers a method of producing a polyurethane by utilizing said above compound as a catalyst in reacting an organic polyisocyanate with an organic polyester polyol or polyether in the presence of said catalyst.

REFERENCES:
patent: 3928256 (1975-12-01), Cenker et al.
patent: 4011223 (1977-03-01), Priest et al.
patent: 4012445 (1977-03-01), Priest et al.
patent: 4105600 (1978-08-01), Mueller et al.
patent: 4143220 (1979-03-01), Mueller et al.

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