Urethane foams having low resiliency

Details Urethane foams having low resiliency Urethane foams having low resiliency

1977-05-27

1979-06-12

Schain, Howard E.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521905, C08G 1814, C08G 1862

Patent

active

041580877

ABSTRACT:
Disclosed herein are hydrophilip polyether urethane foams having reduced resiliency and prepared by reacting a polyoxyalkylene urethane prepolymer containing at least 40 mole percent of oxyethylene units; water; and at least about 50 parts, based on the weight of the prepolymer, of a synthetic polymer latex.

REFERENCES:
patent: 2993013 (1961-07-01), Wolfe, Jr.
patent: 3600340 (1971-08-01), Patton, Jr. et al.
patent: 3646178 (1972-02-01), Traubel et al.
patent: 3755211 (1973-08-01), Fabris et al.
patent: 3781231 (1973-12-01), Janssen et al.
patent: 3869413 (1975-03-01), Blankenship
patent: 3968089 (1976-07-01), Cuscurida et al.
patent: 4014846 (1977-03-01), Ramlow et al.
patent: 4049590 (1977-12-01), Falkenstein et al.

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