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

1984-09-21

1985-10-08

Cockeram, Herbert S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521118, 521125, 521128, 521160, 521167, 521904, 521908, 528 78, C08G 1814, C08G 1832

Patent

active

045461163

ABSTRACT:
The present invention relates to a process for the production of foams containing urethane groups by reacting polyether polyols with polyisocyanates in the presence of water and in the presence of an alkaline catalyst, a compound containing a labile halogen atom and, optionally, a tertiary nitrogen containing chain extender.
The present invention also relates to the foams obtainable by this process.

REFERENCES:
patent: 2911379 (1959-11-01), Parker et al.
patent: 3041293 (1962-06-01), Polacek
patent: 3041295 (1962-06-01), Wiech et al.
patent: 3907721 (1975-09-01), Gurgiolo
patent: 3943075 (1976-03-01), Fishbein et al.
patent: 4349638 (1982-09-01), Narayan

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