Oblon, McClelland, Maier & Neustadt, L.L.P.
Soft thermoplastic polyurethane based on the ester of a tricarboxylic acid
The invention refers to a thermoplastic polyurethane produced from at least an organic diisocyanate and a compound which is reactive toward isocyanates, wherein the polyurethane comprises the ester of a tricarboxylic acid with at least one alcohol and wherein all acid groups of the tricarboxylic acid are esterified with an alcohol. The invention further refers to a process for producing the respective polyurethane, products comprising this thermoplastic polyurethane and the use of the ester of a tricarboxylic acid as plasticizer in thermoplastic polyurethanes.
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C08G C08G C08K C08J C08K C08G C08K C08G C08G C08G C08G C08G C08G C08J
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Guenter Teruya Frank Bin-Eric Harald Dirk Carsten Christoph Tien Kuan Yasuyuki Martin
Scholz Ohkuwa Schaefer Chen Schulz Kempfert Guenther Bahr Lim Suzuki Vallo