Polyurethane foam composition having improved flex fatigue

Details Polyurethane foam composition having improved flex fatigue Polyurethane foam composition having improved flex fatigue

1997-08-11

2000-02-29

Cooney, Jr., John M.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521159, 521160, 521161, 521170, 521172, 521174, 521176, C08G 1814

Patent

active

060310103

ABSTRACT:
The present invention relates to a process for preparing a flexible polyurethane foam from the reaction of a polyisocyanate composition prepared from the reaction of an excess of organic polyisocyanate and a polyether polyol having a high ethylene oxide content and an isocyanate reactive composition comprising a chain extending agent and a combination of a polyether polyol having a high ethylene oxide content and a random copolymer having a high ethylene oxide content, and the product prepared therefrom.

REFERENCES:
patent: 4559366 (1985-12-01), Hostettler
patent: 5166183 (1992-11-01), Franyutti et al.
patent: 5216035 (1993-06-01), Harrison et al.

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