Polyether polyols and method of preparing same

Details Polyether polyols and method of preparing same Polyether polyols and method of preparing same

1976-10-29

1978-09-12

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252 52A, 252306, 252314, 252351, 528406, C07C 4102, C07C 4310

Patent

active

041137850

ABSTRACT:
New polyether polyols of predetermined structure are prepared by reacting polyether bis alcoholates with selected bis epoxides. Specifically, a polyoxyalkylene glycol is converted to the bis alcoholate, and then the bis alcoholate is reacted with an equivalent amount of a glycol bis glycidyl ether, with the reactants being mixed together all at once. The polyether polyalcoholate thus obtained is converted to a high molecular weight polyether polyol by acid neutralization or ion exchange.

REFERENCES:
patent: 2733272 (1956-01-01), Horsley et al.
patent: 2792354 (1957-05-01), De Groote et al.
patent: 2990396 (1961-06-01), Clark et al.

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