Claudia Spang

Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of the type

Production of polyurethane foams in the presence of aminoalkyl- or aminophenylimidazoles as catalyst, and the use of these catalysts for the preparation of polyisocyanate polyaddition products

Preparation of cellular polyurethane elastomers using polyether carbonate diols as a starting component

Process for the preparation of fluorchlorhydrocarbon-free flexible polyurethane foams using urethane groups containing polyisocyanate blends based on diphenylmethane-diisocyanate as well as likewise modified polyisocyanate blends

Process for the preparation of polyurethane foams in the presence of amino alkyl or aminophenyl imidazoles as catalysts, as well as the use of these catalysts for the preparation of polyisocyanate-polyaddition products

Process for the preparation of cellular polyurethane elastomers using polyethercarbonates as starting material

Verfahren zur Herstellung von Fluorchlorkohlenwasserstoff freien Polyurethan-Weichschaumstoffen unter Verwendung von Urethangruppen enthaltenden Polyisocyanatmischungen auf Diphenylmethan-diisocyanatbasis sowie derartige modifizierte Polyisocyanatmischungen

Verfahren zur Herstellung von Polyurethan-Schaumstoffen in Gegenwart von Aminoalkyl- oder Aminophenyl-imidazolen als Katalysator sowie die Verwendung dieser Katalysatoren zur Herstellung von Polyisocyanat-polyadditionsprodukten Process for the preparation of polyurethane foams in the presence of aminoalkyl or aminophenyl-imidazoles as a catalyst and the use of these catalysts for the production of polyisocyanate polyaddition products

Procédé pour la préparation de mousses flexibles de polyuréthane sans hydrocarbures de fluorochlore à partir de mélanges de polyisocyanates à partir de diphénylméthane-diisocyanate contenant des groupes uréthanes ainsi que les mélanges de polyisocyanates ainsi modifiés

PROCESS FOR THE PREPARATION OF FLUORCHLORHYDROCARBON-FREE FL