Use of a polyamine as cell opener in polyurethane foam

Details Use of a polyamine as cell opener in polyurethane foam Use of a polyamine as cell opener in polyurethane foam

1989-01-31

1990-05-22

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 25218226, 25218228, C08G 1814

Patent

active

049278649

ABSTRACT:
This invention relates to the use of polyamine compounds having their backbone modified by the incorporation of aminocarbonyl or aminothiocarbonyl moieties as cell opening agents in the preparation of open-celled flexible polyurethane foams.
Use of the polyamine compound as cell opening agent provides for improved cell opening and provides foam with acceptable physical properties.

REFERENCES:
patent: 4493909 (1985-01-01), Haas et al.
patent: 4596665 (1986-06-01), Gonzalez et al.
patent: 4751255 (1988-06-01), Bentley et al.

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