Flexible polyurethane foams made from polyether polyols modified

Details Flexible polyurethane foams made from polyether polyols modified Flexible polyurethane foams made from polyether polyols modified

1984-06-11

1985-05-21

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, 521174, 521175, 521176, 521177, C08G 1814

Patent

active

045187207

ABSTRACT:
Flexible polyurethane foams having improved properties and made from modified polyether polyols are described. The polyether polyols are modified with adducts of epoxy resins, such as the diglycidyl ether of Bisphenol A, and diamines, such a polyoxypropylenediamine. The resulting modified polyether polyols have a molecular weight of from about 2,000 to 7,000. The mole ratio of epoxy equivalents to amine equivalents in the adduct ranges from about 2/1 to 10/1.

REFERENCES:
patent: 4373034 (1983-02-01), Speranza et al.

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