Cellular, molded polyurethane parts, process for their...

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B - Operations, Transporting

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B29C 67/20 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08G 18/76 (2006.01) C08G 18/79 (2006.01)

Patent

CA 1219106

CELLULAR, MOLDED POLYURETHANE PARTS, PROCESS FOR THEIR PREPARATION BY THERMOFORMING OF POLYESTER-URETHANE FOAM AND THEIR USE Abstract of the Disclosure A cellular polyurethane having a density of from 15 Kg/m3 to 400 Kg/m3 obtained by means of thermoforming, in a forming tool, at a compression factor of from 1 to 10 and temperatures of from 140°C to 200°C, polyester-urethane foams having a density of from 15 Kg/m3 to 40 Kg/m3 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.

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