C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/685 (2006.01) C08G 18/22 (2006.01) C08G 18/42 (2006.01) C08G 18/46 (2006.01) C08G 63/183 (2006.01) C08G 63/82 (2006.01) C08K 3/00 (2006.01)
Patent
CA 2493024
Aromatic polyester polyols, and foams produced therefrom, having an acid number below 3.0 mg/KOH/g, wherein the aromatic polyester polyol is the reaction product of a reaction mixture comprising an acid component, a glycol component, and a urethane catalytic activity agent comprising at least one of a non-alkoxylated aminoalcohol and a metal esterification catalyst.
La présente invention concerne des polyester polyols, et des mousses produites à partir de ces derniers, présentant un indice d'acidité inférieur à 3,0 mg/KOH/g, le polyester polyol aromatique étant le produit réactionnel d'un mélange réactionnel comprenant un constituant acide, un constituant glycol et un agent à activité catalytique de l'uréthane comprenant au moins un aminoalcool non-alcoxylé et/ou un catalyseur d'estérification métallique.
Barber Thomas Allan
Mcclellan Thomas Roy
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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