Low-odor catalyst for isocyanate-derived foams and elastomers

Details Low-odor catalyst for isocyanate-derived foams and elastomers Low-odor catalyst for isocyanate-derived foams and elastomers

B - Operations, Transporting

01

J

B01J 31/18 (2006.01) C08G 18/06 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/18 (2006.01) C08G 18/28 (2006.01) C08G 18/48 (2006.01) C08J 9/00 (2006.01) C09K 3/00 (2006.01)

Patent

CA 2533513

Provided herein are catalysts useful in providing foam products which are produced using an organic poly isocyanate as a starting material. A catalyst according to the present invention includes the tris-(hydroxyethyl)methyl ammonium cation, and optionally potassium cation, in combination with a variety of possible counter anions present to maintain charge balance and for compatibility. A catalyst according to the invention is preferably used in conjunction with one or more conventional tertiary amine catalysts in a foam producing process. The foams may be polyurethane foams, polyisocyanurate foams, flexible foams, or elastomeric foams.

L'invention concerne des catalyseurs utiles pour former des produits de mousse, et qui sont produits à partir d'un polyisocyanate organique comme matière première. Le catalyseur de l'invention comprend le cation tris-(hydroxyéthyl)méthyl ammonium, et éventuellement un cation potassium, en combinaison avec divers contre-anions possibles destinés à maintenir un équilibre de charges et à des fins de compatibilité. Le catalyseur de l'invention s'utilise de préférence conjointement avec un ou plusieurs catalyseurs d'amine tertiaire classiques dans un procédé de production de mousse. Les mousses peuvent être des mousses de polyuréthanne, de polyisocyanurate, ou des mousses flexibles ou élastomères.

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