Novel system for the production of polyurethanes

Details Novel system for the production of polyurethanes Novel system for the production of polyurethanes

1983-07-25

1984-10-16

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 252308, 521176, 524757, 524761, C08G 1814

Patent

active

044776020

ABSTRACT:
The present invention is directed to a polyol blend comprising a polyether polyol having at least two and no more than three hydroxyl groups and from about 5 to about 40 percent by weight based on the total weight of the two components of a dispersion of a polyurea and/or polyhydrazodicarbonamide in an organic compound containing at least one hydroxyl group, the solids content of said blend being from about 1 to about 8 percent by weight. The polyol blend is useful in the production of polyurethane products.

REFERENCES:
patent: 3325421 (1967-06-01), Muller
patent: 4042537 (1977-08-01), Dahm et al.
patent: 4089835 (1978-05-01), Konig et al.
patent: 4293470 (1981-10-01), Cuscurida
patent: 4296213 (1981-10-01), Cuscurida et al.
patent: 4374209 (1983-02-01), Rowlands

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