Rigid polyurethane foam based on toluene diamine-initiated...

Details Rigid polyurethane foam based on toluene diamine-initiated... Rigid polyurethane foam based on toluene diamine-initiated...

C - Chemistry, Metallurgy

08

G

C08G 18/48 (2006.01) C08G 18/50 (2006.01)

Patent

CA 2544175

Rigid polyurethane foams are made using a polyol component that includes toluene diamine-initiated polyols containing specified levels of oxyethylene groups. Foams made from these polyols have low k-factors and excellent demold expansion values.

L'invention porte sur des mousses rigides de polyuréthane à base de polyols amorcés par toluène diamine contenant des niveaux spécifiques de groupes oxyéthylène. Lesdites mousses rigides présentent un faible facteur k et d'excellentes qualités de démoulage après expansion.

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