Cellular, molded polyurethane parts, process for their preparati

Details Cellular, molded polyurethane parts, process for their preparati Cellular, molded polyurethane parts, process for their preparati

1984-03-12

1985-04-02

Welsh, Maurice J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

264321, 4283188, 4283193, 4283197, 4283199, 521 50, 521 51, C08G 1814

Patent

active

045087741

ABSTRACT:
A cellular polyurethane having a density of from 15 Kg/m.sup.3 to 400 Kg/m.sup.3 obtained by means of thermoforming, in a forming tool, at a compression factor of from 1 to 10 and temperatures of from 140.degree. C. to 200.degree. C., polyester-urethane foams having a density of from 15 Kg/m.sup.3 to 40 Kg/m.sup.3 which are based on aromatic polyisocyanates and polyester polyols. The resulting polyurethane shaped objects are suitable for use as self-supporting trim panels, headliners, engine compartment covers, or instrument panels in the automotive, aircraft or railway industries.

REFERENCES:
patent: 3400196 (1968-09-01), Le Roy
patent: 3740283 (1973-06-01), Maxey
patent: 4059660 (1977-11-01), Roth et al.
patent: 4119749 (1978-10-01), Roth et al.
patent: 4129697 (1978-12-01), Schapel et al.
patent: 4241131 (1980-12-01), Bailey

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