Polyether polyols modified with epoxy resin-diamine adducts

Details Polyether polyols modified with epoxy resin-diamine adducts Polyether polyols modified with epoxy resin-diamine adducts

1984-06-11

1985-08-13

Nielsen, Earl

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528103, 528407, 564325, 564349, 564413, 564487, 564505, C08G 5914, C08G 1848, C08G 1858

Patent

active

045351333

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

REFERENCES:
patent: 3544655 (1970-12-01), Booth et al.
patent: 4113785 (1978-09-01), Helfert
patent: 4116900 (1978-09-01), Belanger
patent: 4230827 (1980-10-01), Myers
patent: 4309532 (1982-01-01), Cuscurida et al.
patent: 4316991 (1982-02-01), Speranza et al.
patent: 4323658 (1982-04-01), Speranza et al.

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