Use of amine initiated butylene oxide polyols in polyurethane pr

Details Use of amine initiated butylene oxide polyols in polyurethane pr Use of amine initiated butylene oxide polyols in polyurethane pr

1988-11-09

1989-09-19

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521167, 524874, 528 77, 25218226, 4284256, C08G 1814

Patent

active

048682233

ABSTRACT:
Disclosed are active hydrogen compositions comprising: (A) a polyether polyol having a functionality of at least about three; (B) an amine-based polyol having an equivalent weight less than about 250 and derived from the addition of at least two moles of butylene oxide to a nitrogen containing compound having at least two active hydrogen atoms; optionally (C) an active hydrogen containing extender of equivalent weight up to about 200; and optionally (D) a low equivalent weight cross-linking polyol other than (B) above.
Also dislcosed are the molded polyurethanes produced from the above compositions and, particularly high strength mat molded reaction injection molded parts.

REFERENCES:
patent: 4555536 (1985-11-01), Maki et al.
patent: 4582891 (1986-04-01), Maki et al.

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