Process for the production of highly elastic foams containing ur

Details Process for the production of highly elastic foams containing ur Process for the production of highly elastic foams containing ur

1980-02-11

1981-09-08

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521159, 521160, 521161, 521163, 521167, 521172, 521173, 521174, 521176, C08G 1814

Patent

active

042885663

ABSTRACT:
The invention is directed to a process for the production of highly elastic, open-celled foams containing urethane groups by reacting polyether polyols with modified polyisocyanates in the presence of cross-linking agents and water characterized in that the reaction is carried out in the presence of 0.5 to 10 g/100 g of the polyether of a cross-linking mixture corresponding to the general formula

REFERENCES:
patent: 3945939 (1976-03-01), Barron
patent: 3993576 (1976-11-01), Barron
patent: 4060439 (1977-11-01), Rosemund et al.
patent: 4105595 (1978-08-01), Eisenmann
patent: 4107102 (1978-08-01), Dahm et al.
patent: 4187354 (1980-02-01), Wagner
patent: 4187355 (1980-02-01), Wagner
patent: 4187356 (1980-02-01), Wagner

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