CO-CATALYSTS FOR POLYURETHANE COLD BOX BINDERS
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Jul 20, 2015
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Jul 18, 2014
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Abstract
The subject matter of the present invention is a binder system containing blocked tertiary amines or amidines as co-catalysts for a polyurethane cold-box application. It also relates to the molding material mixtures produced using such a binder system further comprising volatile tertiary amines, a method for producing the molding material mixtures, and the cores and molds made from the molding material mixtures according to the cold-box process.
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