Bayer Aktiengesellschaft

Bayer Materialscience Ag

Covestro Deutschland Ag

Miles Inc.

Bayer Intellectual Property Gmbh

Covestro Intellectual Property Gmbh & Co. Kg

Peter Haas

Hans Hettel

Johannes Blahak

Geza Avar

Kuno Wagner

Gundolf Jacobs

Rolf Wiedermann

Reiner Paul

Jan Mazanek

Dirk Wegener

Hans-Walter Illger

Christian Weber

Hans-Albrecht Freitag

Peter Seifert

Kurt Findeisen

Klaus Konig

Josef Witte

Joachim Franke

Hans-Joachim Meiners

Erwin Muller

James M Barnes

Joachim Probst

Hans-Georg Hoppe

Burkhard Köhler

Manfred Kapps

Wilhelm Goyert

Werner Mormann

Norbert Eisen

Hans-Detlef Arntz

Sven Meyer-Ahrens

Heinz Muller

Helmut Steinberger

Manfred Schonfelder

Andreas Ruckes

Gunter Kolb

Robert Eiben

Meike Niesten

Hartwig Grammes

Claus-Dieter Sommerfeld

Kurt P Meurer

Roland Gipp

Alfred Neuhaus

Rolf Roers

Paul T Henrichs

Hans-Joachim Kogelnik

Hans-Ulrich Weber

Klaus-Peter Herzog

Matth&auml;us Gossner

Wolfgang Grimm

Peter Vehlewald

Ulrich Liman

Bert Klesczewski

Eduard Mayer

Walter Guarnieri

Erhard Michels

Wilfried Lobach

Hans-Dieter Ruprecht

Klaus Brecht

Theodore S Frick

Johannes Van De Braak

Jan Schönberger

Peter Kasperek

Lutz Brassat

Karl-Heinz Dorner

Majid Daneshvar

Adolf Lammeck

Detlef Mies

Klaus-Dieter Wolf

Matthäus Gossner

Andreas Pielasch

Michael Schedler

Catherine Lövenich

Lutz-Peter Godthardt

Donald-Richard Larimer

Ingo Brassat

Guter Sackmann

Manfred Giersig

Hans G Weber

Matthaeus Gossner

Theodore Frick

The invention relates to a method for producing soft polyurethane foam obtained by reacting a composition containing a component A1 containing at least one filled polyol, a component A2 containing compounds reactive with isocyanates and having a hydroxyl value of ≥20 to <100 mg KOH/g, the component A2 not containing any filled polyol, a component A3 containing water and/or at least one physical blowing agent, a component A4 containing auxiliary agents and additives, and a component B containing di- and/or polyisocyanates, characterized in that the reaction occurs in the presence of 0.5 to 3 parts by weight of an organic urea derivative as component C, which is obtained by reacting urea with a difunctional amine having a number-average molecular weight of 200 to 1000 g/mol. The invention also relates to a soft polyurethane foam obtainable by the method.

Polyurethane foam materials having reduced cold-flow effect and method for producing same

The invention relates to a process for the production of a foam composite element, comprising the steps of providing a facing, applying adhesion promoter, and applying a foam layer comprising polyurethane and/or polyisocyanurate to the adhesion promoter, characterized in that the adhesion promoter consists of at least one compound selected from the group consisting of polyether polyol (B.1), polymer polyol (B.2), polyurea dispersion (B.3), polyester polyol (B.4) and PIPA polyol (B.5). The invention relates further to the use of at least one compound selected from the group consisting of polyether polyol, polymer polyol and polyurea dispersion as adhesion promoter in the production of foam composite elements, as well as to foam composite elements produced by the process according to the invention.

Method for producing a foam composite element

The present invention relates to composite elements containing, as a layer, at least one thermoplastic polymer, adhering to which, as a layer, a polyisocyanate polyaddition product is attached, and a process for the production thereof.

Plastic composite elements and a process for the production thereof

The invention relates to reinforced polyurethane-urea elastomers with a specific urea content and a specific urethane content, to sheet polyurethane moldings with high surface energy and good lacquer adhesion produced therefrom, and to their use.

Reinforced polyurethane-urea elastomers and their use

The present invention relates to composite elements constructed from an outer layer (i), a fiber-reinforced polyurethane (PU) material which contains in-mold release additives as a supporting layer (ii), and optionally, a decorative inner layer (iii). This invention also relates to suitable processes for the production of these composite elements and to body components comprising these composite elements.

Composite elements made from polyurethane materials having surfaces consisting of thermoplastic or metallic layers and a process for their production

The present invention relates to plastic moldings that are prepared from optionally filled polyurethanes. The plastic molding of the present invention exhibit high tenacity, flexural strength and heat stability. This invention also relates to a process for the preparation of these plastic moldings and specifically to a process for the production of large parts comprising these plastic moldings.

Plastic moldings from optionally filled polyurethanes and their use

The invention provides composite elements containing a thermoplastic polymer layer, adhering to a layer comprising the reaction product of a reaction mixture containing a prepolymer containing isocyanate groups produced by the reaction of at least one isocyanate and one polycarbonate polyalcohol with a functionality of 2 to 3 and a hydroxyl number of about 40 to about 400 mg KOH/g, based on the condensation of carbonates with diols and/or triols with a molecular weight of about 62 to about 3000 g/mol, the prepolymer having an isocyanate group content of about 5 to about 48%, compounds reactive with respect to isocyanates and optionally catalysts blowing agents and/or auxiliary substances and/or additives. The present invention further provides a process for the production the composite elements.

The present invention relates to polyol dispersions with long-term stability, to cellular polyurethane moldings produced therewith, to processes for their preparation and to their use.

Stable polyol dispersions, polyurethane moldings produced therefrom, and their use

Composite materials are made by press molding a lignocellulose-containing materials glued with a specified type of binder in which the cold bonding strength of the molded lignocellulose-containing material is increased.

Process for producing press molded materials

The invention relates to laminated parts comprising outer layers and polyurethane sandwich materials, and to a method of producing these laminated parts and to their use in the automotive industry.

Laminated parts made of outer layers and polyurethane sandwich materials and their production

Activators with reduced volatility that are liquid at room temperature are obtained as the reaction product of (A) a secondary amine or primary alcohol having at least one tertiary amine group, (B) a polyisocyanate of the diphenylmethane series having a functionality of from 2.5 to 4.0 and an OH-functional reactive component capable of addition to isocyanate. These activators are useful for the production of polyurethane foams having improved emission behavior.

Activators for the production of polyurethane foams

This invention relates to flame-laminable polyurethane block foams having high peel strength, a process for their production and the use thereof for textile lamination.

Flame-laminable polyurethane foams

Polyurethane elastomers are produced by reacting a polyether and/or polyester polyol having a starter functionality of at least 2 with an NCO-terminated prepolymer produced with a polyether and/or polyester polyol having a starter functionality of at least 4. These polyurethane elastomers exhibit improved processing characteristics combined with a high heat distortion temperature.

Process for the preparation of polyurethane elastomers with a high heat distortion temperature

The present invention relates to improved internal mould release agents based on particular ammonium or metal salts of phosphoric acid esters, ammonium salts of carboxylic acids and/or ammonium or metal salts of sulfonic acids for producing cellular or compact, optionally glass fiber- and/or natural fiber-reinforced polyurethane mouldings. The polyurethane mouldings produced according to the invention may be laminated or coated with other materials.

Internal release agents for producing polyurethane moulded bodies

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Haan, Germany

Peter Haas