Polyurethane foam based on combination of polyester resin and po

Details Polyurethane foam based on combination of polyester resin and po Polyurethane foam based on combination of polyester resin and po

1994-12-06

1996-09-03

Seidleck, James J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521172, 521173, 521174, 521176, C08G 1814

Patent

active

055524494

ABSTRACT:
Flexible polyurethane foams based on a blend of polyether and polyester polyols are described. The polyurethane foams of the invention have at least one of (a) enhanced pourability of a predominantly polyether foam; (b) flame laminability to a predominantly polyether foam without having as an essential ingredient an additive; (c) improved flame retardancy of a predominantly polyether or polyester foam; (d) improved hydrolytic stability to a predominantly polyester foam, or (e) increased softness to a predominantly polyether or polyester foam.

REFERENCES:
patent: 4076654 (1978-02-01), Yukuta et al.
patent: 4077920 (1978-03-01), Yukuta et al.
patent: 4098732 (1978-07-01), Yukuta et al.
patent: 4243755 (1981-01-01), Marx et al.
patent: 4374935 (1983-02-01), Decker et al.
patent: 4581432 (1986-04-01), Blum et al.
patent: 4703069 (1987-10-01), Brown et al.
patent: 5001165 (1991-03-01), Canaday et al.
Grant & Hackh's; Chemical Dictionary, 1987; 5th Edition, p. 265.

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