Rigid foams deformable by heat and processes for their...

Details Rigid foams deformable by heat and processes for their... Rigid foams deformable by heat and processes for their...

C - Chemistry, Metallurgy

08

G

403/14

C08G 18/80 (2006.01) C08G 18/28 (2006.01) C08G 18/48 (2006.01)

Patent

CA 1253649

Mo-2911 LeA 24,474 RIGID FOAMS DEFORMABLE BY HEAT AND PROCESSES FOR THEIR PREPARATION AND USE ABSTRACT OF THE DISCLOSURE Thermoformable rigid foams are made by reacting an organic polyisocyanate with a polyol component. The polyol component includes at least one organic polyhydroxyl compound having a hydroxyl number of from 28 to 1200, a foaming agent, a catalyst and a compound which masks isocyanate groups. Preferred isocyanate masking compounds are .epsilon.-caprolactam and nonyl phenol. The foam thus obtained may then be molded and crosslinked by heating it to a temperature of from 150 to 190°C. These foams are particularly useful as interior trim for motor vehicles.

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