Process for the preparation of flexible polyurethane foams...

Details Process for the preparation of flexible polyurethane foams... Process for the preparation of flexible polyurethane foams...

C - Chemistry, Metallurgy

08

G

403/34, 95/31.6

C08G 18/30 (2006.01) C08G 18/28 (2006.01)

Patent

CA 1161996

PROCESS FOR THE PREPARATION OF FLEXIBLE POLYURETHANE FOAMS INVOLVING THE USE OF ALIPHATIC MONOAMINES Abstract of the Disclosure The invention relates a process for the prepara- tion of a polyurethane foam by reacting an organic polyiso- cyanate, polyol, and primary or secondary aliphatic mono- amine in the presence of a blowing agent and catalyst. The amines are used in quantities of 0.1 part to 10 parts by weight per 100 parts per weight of polyol. The highly elastic polyurethane flexible foams are suited for the manufacture of upholstered furniture, matresses, automobile seats and head supports, as well as particularly for molded foams. The semi-rigid polyurethane foams are used as foam backing of dashboards in automobiles, thermal and sound insulation in buildings and vehicles, and for impact absorption in packaging materials.

379138

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