Basf Se Corporation

Evonik Operations Gmbh

Bafs Se

Markus Schuette

Frank Prissok

Heinz-Dieter Lutter

Bernd Bruchmann

Fang Liu

Berend Eling

Rolf Muelhaupt

Michael Harms

Marc Fricke

Martin Glos

Frank Braun

Hans-Josef Thomas

Joachim Venzmer

Sirus Zarbakhsh

Peter Deglmann

Christian Eilbracht

Mark Elbing

Laszlo Szarvas

Daniel Schoenfelder

Michael Klostermann

Xiaojun Wu

Carsten Schiller

Bernhard Feichtenschlager

Hauke Malz

Johann Klassen

Johann Martin Szeifert

Werner Wiegmann

Sebastian Alexander Weisse

Joern Duwenhorst

Sebastian Richter

Julia Goeschel

Marc Claude Martin

Steffen Mayer

Frank Fechner

Markus Susoff

Johannes Poppenberg

Manuela Faehmel

Eva Guenther

Ren Zheng Zhang

Anoop Gupta

Anne Fiedler

Fabian Schueler

Patrick Matt

Patrick Kasper

Achim Besser

Cai An Wang

Anne Schubert

Gerhard Albrecht

Described herein is a process for producing polyurethane foams having a density of 30 g/dmto 70 g/dm, in which (a) aromatic polyisocyanate is mixed with (b) polymeric compounds having isocyanate-reactive groups, (c) optionally chain extender and/or crosslinking agent, (d) catalyst, (e) blowing agent including water, (f) 0.1% to 5% by weight of lactam, and (g) optionally additives, at an isocyanate index of 50 to 95 to form a reaction mixture, and the reaction mixture is converted to the polyurethane foam, wherein the catalyst includes metal catalyst and amine catalyst, and the amine catalyst has tertiary nitrogen atoms and the content of tertiary nitrogen atoms in the amine catalyst is from 0.0001 to 0.003 mol/100 g of foam. Also described herein is a polyurethane foam and a method of using such a flexible polyurethane foam for the production of cushions, seat cushions, or mattresses.

Polyurethane foams with reduced aromatic amine content

Described herein is a process for producing a hydrophilic flexible polyurethane foam. Also described herein is a flexible polyurethane foam obtainable by such a process and a method of using such a flexible polyurethane foam for treating wounds.

Flexible polyurethane foams with high water absorption capacity

Described herein is a process for preparing a foam (FA) with a Poisson's ratio in the range of from &#x2212;0.5 to 0.3, the method including the steps of providing a foam (F1) with a flow resistance in the range of from 3000 to 8000 Pas/m, determined according to DIN EN 29053, and subjecting the foam (F1) to thermoforming including triaxial compression, wherein the foam (F1) is not reticulated prior to step (ii). Also described herein is the foam obtained or obtainable according to the process and the use of the foam as, for example, an energy absorbing device, preferably in protective gear, furniture, cushions, in cleaning devices with improved rinse-out behavior, in shoe soles, or as sealing, insulating or anchorage providing material for example used in earphones, ear plugs or dowels, or as acoustic material.

Auxetic polyurethane and melamine foams by triaxial compression

The present invention relates to a process for preparing polyurethanes by mixing a) polyisocyanate, b) a mixture obtainable by introducing an alkali metal or alkaline earth metal salt into a compound comprising urethane groups, c) compounds comprising one or more epoxide groups, and, optionally, d) polyol, e) chain extenders, and f) fillers and further additives to form a reaction mixture and fully reacting the mixture to give the polyurethane, where the amount of alkali metal or alkaline earth metal ions per equivalent urethane groups in the compound (b) is 0.0001 to 3.5. The present invention further relates to a polyurethane obtainable by such a process, and to the use of such a polyurethane for producing bodywork components for vehicles.

Polyurethane system with long pot life and rapid hardening

Provided herein is a composite material that includes at least one thermoresponsive polymer and at least one organic foam material. Further provided herein is a method for producing the composite material and also to the use of the composite material for cooling and for regulating temperature.

Self-cooling foam-containing composite materials

The present patent application relates to a thermoplastic polymer produced at least from diisocyanate and diepoxide using a catalyst, wherein the catalyst is an ionic liquid, to an associated production method and use.

Polyoxazolidones and production thereof

A method for producing bead foams from foam beads based on thermoplastic elastomers, especially thermoplastic polyurethane, comprises foam beads being wetted with a polar liquid and joined together thermally in a mold via high-frequency electromagnetic radiation, especially microwave radiation, and also the bead foams obtainable therefrom.

Method for producing particle foams based on thermoplastic elastomers, by thermal bonding using microwaves

Disclosed herein is a method for producing polyurethane or polyisocyanurate foams. The method involves reacting a composition (Z1) with at least one polyisocyanate, and occurs in the presence of at least one nucleating agent and a blowing agent, in which the nucleating agent and the blowing agent are mixed to obtain a composition (Z2) that is added to the composition (Z1) before it is reacted with the at least one polyisocyanate. The composition (Z1) contains (i) 100 parts by mass of a composition (ZP) including at least one polyol and at least one catalyst that catalyzes formation of a urethane, urea or isocyanuarate bond, and (ii) from 0.05 to 10 parts by mass of a surfactant TD having an HLB value below 6 and no silicon atom.

Composition that is suitable for producing polyurethane foams and that contains at least one nucleating agent

Foam beads based on thermoplastic elastomers and having a coating comprising at least one electrically conductive substance, processes for producing same by coating the foam beads with an emulsion of a conductive substance in a plasticizer, and also processes for producing bead foams by joining the foam beads together thermally via high-frequency electromagnetic radiation.

Electrically conductive particle foams based on thermoplastic elastomers

The present invention relates to a hybrid material comprising a matrix of polyurethane and foamed particles of thermoplastic polyurethane comprised therein and also a process for producing such hybrid materials and the use of these hybrid materials as bicycle saddles, upholstery and shoe soles.

Hybrid systems consisting of foamed thermoplastic elastomers and polyurethanes

The present invention relates to a process for preparing high-functionality polyetherols by reacting at least one trifunctional or higher-functionality alcohol and if appropriate further di- and/or monofunctional alcohols and/or modifying reagents, with the aid of acidic catalysts, where the trifunctional or higher-functionality alcohol is not glycerol. The present invention further relates to high-functionality polyetherols obtainable by such a process and to the use of these high-functionality polyetherols as adhesion promoters, thixotropic agents, rheology modifiers of polymers, phase transfer reagents, micro- or nanocontainers for biologically active compounds, for example for active medical ingredients, biocides, herbicides or fungicides, as pigment dispersants, an additive in printing inks or as structural units for preparing polyaddition or polycondensation polymers or for treatment of seed.

Highly functional polyetherols and the production and use thereof

The invention relates to a process for preparing polyether alcohols by reacting a) aromatic amines with b) alkylene oxides in the presence of c) a catalyst, wherein the alkylene oxide b) comprises at least 90% by weight, based on the weight of the component b), of propylene oxide and an amine is used as catalyst c).

Process for preparing polyether alcohols

A process for the production of coated textiles, a textile substrate being coated or impregnated with a solution (I) comprising polyurethane, and the polyurethane then being precipitated in or on the textile substrate, wherein polyurethane dissolved in ionic liquid is used as solution (I).

Method of producing coated textile, more particularly synthetic leathers

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Melle, Germany

Markus Schuette