Bayer Aktiengesellschaft

Bayer Aktiengsellschaft

Gebr. Borchers Ag

Jurgen Schwindt

Gerhard Grogler

Josef Pedain

Holger Meyborg

Otto Ganster

Lutz Schmalstieg

Klaus Konig

Klaus Nachtkamp

Richard Kopp

Helmut Reiff

Jan Mazanek

Martin Brahm

Klaus Noll

Hans-Joachim Meiners

Paul Uhrhan

Gerhard Ruttmann

Eberhard Arning

Hans-Georg Stahl

Manfred Schonborn

Christian Wamprecht

Hans-Joachim Traenckner

Dieter Margotte

Joachim Probst

Martin Melchiors

Manfred Dietrich

Peter Hohlein

Wieland Hovestadt

Terry A Potter

Michael Sonntag

Werner Kubitza

Theodor Engbert

Gerhard Klein

Tillmann Hassel

Werner Mormann

Karl-Heinz Hentschel

Karl-Ludwig Noble

Lothar Fleiter

Klaus Recker

Gerald Kurek

Hans-Dieter Ruprecht

Harald Mertes

Hans J Meiners

Jurgen Mosbach

Johannes Koster

Willi Eifler

Uwe Thies

Karl-Roland Jerg

Michael Griesbach

Volker Schwindt

Hans G Stahl

Two-component polyurethane coating composition with anti-corrosive properties

The present invention relates to a solvent-free, low viscosity binder composition which contains, in amounts sufficient to provide an NCO:OH equivalent ratio of 0.5:1 to 2.0:1,

Binder composition and its use for coating metallic and mineral

The invention relates to olefinically unsaturated polyisocyanates containing allophanate groups and having an NCO content of 6 to 20% by weight, an iodine value of 15 to 150, a content of hydrocarbon chains containing 12 to 30 carbon atoms of 100 to 700 mg/g and a content of allophanate groups of 10 to 300 mg/g, to a process for their production by reaction of a polyisocyanate component containing urethane groups with excess polyisocyanates, and to a one-component coating composition containing these olefinically unsaturated polyisocyanates as binders.

Olefinically unsaturated polyisocyanates

The present invention relates to a reactive composition containing

Reactive compositions containing blocked polyisocyanates and

The present invention relates to binder compositions containing

High solids binder compositions containing OH-functional polyacrylate

The present invention relates to a process for the preparation of polyurethanes suitable for use as thickeners for aqueous compositions by reacting at an NCO/OH equivalent ratio of 0.9:1 to 1.2:1

Polyurethane-based thickeners for aqueous compositions

A process for the production of olefinically unsaturated isocyanates by reacting a1) isophorone diisocyanate or mixtures of isophorone diisocyanate with a2) other organic polyisocyanates with b1.1) olefinically unsaturated carboxylic acids or mixtures thereof with b1.2) other monobasic or polybasic carboxylic acids, b2.1) olefinically unsaturated alcohols and/or b2.2) other monohydric or polyhydric alcohols, the unsaturated resulting isocyanates and their use as binders for one-component coating compositions which may be cured at room temperature.

Olefinically unsaturated isocyanates, a method for their production and

Moisture-curing, one-component coating compositions wherein the binder contains a mixture of A) 100 parts by weight of a polyisocyanate or polyisocyanate mixture of the diphenylmethane series, B) 40 to 150 parts by weight of NCO prepolymers with an NCO content of 1.5 to 12% by weight based on aromatic polyisocyanates and C) 10 to 90 parts by weight of at least one aliphatic lacquer polyisocyanate and the use of the coating compositions for the production of coatings on various substrates. The present invention relates to moisture-curing one-component coating compositions containing as binder a polyisocyanate component containing

Moisture curing, one-component coating compositions and their use for

The present invention relates to an aqueous two-component coating composition wherein the binder contains

Coating compositions, a process for their production and their use for

The present invention is directed to a thickener composition for thickening aqueous systems which contains a mixture of

Polyurethane thickener compositions and their use for thickening aqueous

The present invention relates to a process for the preparation of a coating composition by

Use of isocyanates containing urethane groups as drying agents and a

The present invention relates to of a coating composition containing a moisture-hardening binder based on organic polyisocyanates which is prepared by forming a mixture containing at least those auxiliaries and additives which are not completely dry and an isocyanate component a) which has an average NCO functionality of 1.05 to 1.8 and is based on the reaction product of

Moisture-hardening coating composition and method for its production

The present invention is directed to a process for the production of aqueous polyurethane-polyurea dispersions by reacting NCO-prepolymers having an average NCO-functionality of 2 to 2.3 and an average molecular weight of about 700 to about 5000 with organic polyamines having an average amine functionality of 2.05 to about 3 and an average molecular weight of 60 to about 2000 containing primary and/or secondary amino groups at an NCO/NH ratio about 1.05:1 to about 7:1 in the presence of a water-miscible, weakly polar solvent inert to isocyanate groups and having a boiling point at normal pressure below 100.degree. C., converting the resulting solution of the reaction products into an aqueous dispersion by the addition of water and optionally removing the solvent used by distillation, characterized in that the reactants and amounts used are selected such that the resulting reaction products have an NCO-functionality of 2.2 to about 3 and NCO-content of about 0.1 to 5% by weight. The present invention is also directed to the products of this process and their use for the production of coatings.

Process for the production of aqueous dispersions of polyurethane

Aqueous lacquers, which contain grafted polybutadiene/maleic acid semi-esters or semi-amides as bonding agent, can be siccativated while the siccative is firstly dispersed in the aqueous phase and the bonding agent is dispersed in this dispersion.

Process for the production of siccativated aqueous lacquers with

The present invention is directed to aqueous stoving lacquers containing pigments or fillers wherein the binders are based on combinations of (a) polyurethane prepolymers containing partly or completely neutralized carboxyl groups and blocked isocyanate groups and (b) polyurethane prepolymers containing free hydroxyl groups and partly or completely neutralized carboxyl groups. The binder components are further characterized by polyester and polyether segments, each being present in amounts of greater than 10% by weight. The present invention is also directed to films and coatings prepared from these aqueous stoving lacquers.

Aqueous polyurethane stoving lacquers and the use thereof for the

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Leverkusen, Germany

Jurgen Schwindt