High load bearing flexible polyurethane foams

Details High load bearing flexible polyurethane foams High load bearing flexible polyurethane foams

1983-05-24

1984-12-25

Hoke, Veronica P.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521174, 521175, 521176, C08G 6540, C08G 6542

Patent

active

044904908

ABSTRACT:
Enhanced load-bearing properties for flexible polyurethane foam can be achieved by employing a hydroxyl compound-modified benzyl ether-containing resole polyol as part of the polyol component (5 to 25 weight percent based on polyol) in the preparation of the foam.

REFERENCES:
patent: 3383351 (1968-05-01), Stamberger
patent: 3652639 (1972-03-01), Pizzini et al.
patent: 3857800 (1974-12-01), Fishbein et al.
patent: 4042537 (1977-08-01), Dahm et al.
patent: 4101471 (1978-07-01), Russo
patent: 4119582 (1978-10-01), Matsubara et al.
patent: 4282331 (1981-08-01), Priest
patent: 4286074 (1981-08-01), Davis et al.
patent: 4359550 (1982-11-01), Narayan et al.

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