Basf Aktiengesellschaft

Basf Se Corporation

Trofil Sportbodensysteme Gmbh & Co. Kg

Dr. Karl Wetekam & Co. Kg Kunststoff-faeden, Baender

Innovationsmanufaktur Gmbh

Guenter Scholz

Bernd Bruchmann

Roland Minges

Johann Swoboda

Helmut Tesch

Manfred Genz

Joachim Streu

Friedhelm Lehrich

Siegmund Pohl

Frank Schaefer

Christoph Bahr

Karl Haeberle

Dirk Kempfert

Ruediger Krech

Sven Lawrenz

Maria Teresa Hechavarria Fonseca

Yasuyuki Suzuki

Martin Vallo

Brad Joseph Martin

Maria Thomas

Mihai Manitiu

Guido Bilges

Harald Schulz

Heinrich Bollmann

Fatemeh Ahmadnian

Bin-Eric Chen

Carsten Guenther

Marian Mours

Horst Papenfuss

Markus Bubolz

Teruya Ohkuwa

Tien Kuan Lim

Carsten Buschmann

Lars Rehling

DianJun Chen

Karl Wetekam

A thermoplastic polyurethane foamed article has a plurality of bubbles distributed throughout the thermoplastic polyurethane foamed article and comprises a thermoplastic polyurethane composition and an epoxy-functional styrene acrylic copolymer which are foamed in the presence of a blowing agent. The epoxy-functional styrene acrylic copolymer is present in an amount ranging from 0.1 to 5% of the total combined weight of the thermoplastic polyurethane composition and the epoxy-functional styrene acrylic copolymer. The thermoplastic polyurethane foamed article has an average diameter of the plurality of bubbles ranging from 50 to 120 &#x3bc;m with at least 75% of the plurality of bubbles having a diameter of less than 200 &#x3bc;m.

Thermoplastic polyurethane foamed articles comprising a thermoplastic polyurethane composition and an epoxy, functional styrene acrylic copolymer

A process for purifying a polycarbodiimide comprising (a) providing a mixture comprising a polycarbodiimide and a carbodiimidization catalyst; (b) separating carbodiimidization catalyst from the polycarbodiimide by subjecting the mixture according to (a) to a first distillation, (c) adding an entrainer to the first bottom product obtained from (b) to obtain a mixture; (d) further separating carbodiimidization catalyst from the polycarbodiimide by subjecting the mixture obtained from (c) to a second distillation.

Process for the purification of a polycarbodiimide

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.

Soft thermoplastic polyurethane based on the ester of a tricarboxylic acid

The present invention relates to a process for the continuous production of thermoplastically processable polyurethane elastomers, by metering a polyisocyanate (A), a proportion of 1-80 equivalent%, based on the isocyanate group content of the polyisocyanate (A), of a compound (B) having an average of at 1.8-3.0 hydrogen atoms having Zerewitinoff activity, with an average molar mass of 450-5000 g/mol, and a proportion of 12-99 equivalent%, based on the isocyanate group content of the polyisocyanate (A), of a chain extender (C), into a self-cleaning twin-screw extruder whose diameter is 32-62 mm, which is operated at shear rates above 6000 sand residence times of 1-20 seconds, and then bringing the mixture from the self-cleaning twin-screw extruder into a second apparatus in order to complete the reaction.

Method for the continuous production of thermoplastically-processable polyurethane elastomers

4,4'-disubstituted bis(2,6-diisopropylphenyl)carbodiimides of the formula (I) ##STR1## where R is 1-methyl-1-phenylethyl, phenoxy or tert-butyl, a process for their preparation, their use as stabilizers against hydrolytic degradation of polyaddition and polycondensation products containing ester groups, and the novel 4-(1-methyl-1-phenylethyl)-2,6-diisopropyl-, 4-phenoxy-2,6-diisopropyl- and 4-tert-butyl-2,6-diisopropylphenyl isocyanates which can be used for their preparation.

4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their

4,4'-disubstituted bis-(2,6-diisopropylphenyl)carbodiimides of the formula (I) ##STR1## where R is 1-methyl-1-phenylethyl, phenoxy or tert-butyl, a process for their preparation, their use as stabilizers against hydrolytic degradation of polyaddition and polycondensation products containing ester groups, and the novel 4-(1-methyl-1-phenylethyl)-2,6-diisopropyl-, 4-phenoxy-2,6-diisopropyl- and 4-tert-butyl-2,6-diisopropylphenyl isocyanates which can be used for their preparation.

4-substituted bis (2,6-diisopropylphenyl)- carbodiimides, their

4,4'-disubstituted bis-2,6-diisopropylphenyl)carbodiimides of the formula (I) ##STR1## where R is 1-methyl-1-phenylethyl, phenoxy or tert-butyl, a process for their preparation, their use as stabilizers against hydrolytic degradation of polyaddition and polycondensation products containing ester groups, and the novel 4-(1-methyl-1-phenylethyl)-2,6-diisopropyl-, 4-phenoxy-2,6-diisopropyl- and 4-tert-butyl-2,6-diisopropylphenyl isocyanates which can be used for their preparation.

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Lemfoerde, Germany

Guenter Scholz