Bayer Aktiengesellschaft

Peter Hohlein

Josef Pedain

Harald Blum

Christian Wamprecht

Jurgen Meixner

Jochen Schoeps

Michael Sonntag

Bernd Riberi

Hans-Joachim Traenckner

Manfred Schonfelder

Lothar Fleiter

Wolfhart Wieczorrek

Eberhard Kreiss

Rolf Dhein

Klaus Konig

Manfred Schmidt

Ludwig Bottenbruch

Dieter Margotte

Joachim Probst

Hans-Joachim Scholl

Walter Uerdingen

Manfred Dietrich

Jurgen Schwindt

Lothar Kahl

Werner Kubitza

Wolfgang Wellner

Hermann Gruber

Hans-Joachim Kreuder

Gerhard Mennicken

Wolfgang Beer

Rolf Kuchenmeister

Hans-Heribert Burgdorfer

Volker Schneider

Bernd Peltzer

Armin Sickert

Alois Fehlbier

Keith-Allen Foster

Gunter Kolb, Deceased

Hans-Joachim Hofer

Werner Drouve

Hans G Stahl

Franz Mory

This invention relates to an aqueous binder composition containing

Aqueous binder composition and a process for its preparation

The present invention relates to aqueous polyesters for high-solids stoving coatings which contain

Aqueous polyesters, a process for their production and their use in

The present invention relates to a coating composition which is liquid and storable at room temperature and wherein the binder is based on a mixture of A) a crosslinking component containing at least one amino resin and/or at least one blocked polyisocyanate and B) a polyester component containing at least one hydroxyl- and carboxyl-functional polyester which also contains olefinic double bonds incorporated through unsaturated dicarboxylic acids. The present also related to coated substrates prepared from this coating composition.

Coating composition and its use for the production of coatings

The present invention relates to a composition which is suitable for the preparation of coatings, sealants and/or fillers and contains one or more binder components and as reactive thinner an octadienyl ether which may contain ester groups and which has a viscosity at 23.degree. C. of at most 5,000 mPas and a content of 1 to 80% by weight of octadienyl groups, --C.sub.8 H.sub.13, 0 to 35% by weight of hydroxyl groups and 0 to 30% by weight of carboxyl groups.

Compositions containing octadienyl ethers as reactive thinners

Suspensions of solid polyisocyanates inactivated on the surface of adduct formation in organic, isocyanate reactive compounds as continuous phase, which suspensions are stable in storage at room temperature and heat curable and optionally contain auxiliary agents and additives, the continuous phase containing at least 10% by weight of ether group- and ester group-containing polyhydroxyl compounds having an (average) hydroxyl functionality of from 0.5 to 3 and an (average) hydroxyl number of from 15 to 150 constituting esterification products of (i) polyether polyols having an (average) hydroxyl functionality of from 3 to 8 and an (average) hydroxyl number of from 200 to 1000 with (ii) from 40 to 90 equivalents percent of inorganic monocarboxylic acids and the use of these suspensions for the production of coatings, adhesives or sealing compounds, in particular as underseal and doorseal compounds for motor vehicles.

Polyisocyanate suspensions in isocyanate reactive compounds and their use

Binders for moisture-hardening coating or sealing compositions contain modified copolymers having a weight average molecular weight of from 1,500 to 75,000 determined by gel permeation chromatography of olefinically unsaturated compounds containing chemically incorporated moieties which are addition-reactive to amino wherein the modified copolymers contain both

Modified copolymers, a process for their production, binders containing

The present invention relates to aqueous solutions or dispersions of hydroxy-functional copolymers containing imide structural units corresponding to the formula ##STR1## The present invention also relates to a process for the production of these aqueous solutions or dispersions of hydroxy-functional copolymers containing imide structural units by reacting anhydride-functional and optionally carboxyl-functional copolymers corresponding to the hydroxy-functional copolymers with aminoalcohols and optionally aminocarboxylic acids. In a further embodiment of the process the hydroxy-functional copolymers may be reacted with lactones resulting in ring opening and the formation of ester groups.

Aqueous solutions or dispersions of hydroxy-functional copolymers and a

The present invention relates to powder coating compositions which can be cured in the presence of heat and/or high energy radiation and contain polyurethanes which melt at temperatures of 50.degree. to 180.degree. C., have 3 to 10% by weight of olefinic double bonds in the form of (meth)acryloyl groups (calculated as .dbd.C.dbd.C.dbd., molecular weight=24) and are based on the reaction product of

Powder coating compositions containing polyurethanes having

The present invention relates to hydroxy functional polyacrylate copolymers having a molecular weight (M.sub.n) of about 2000 to 30,000 and containing

Hydroxy functional copolymers, a process for the preparation and their

Oxidatively cross-linkable, water dilutable binders suitable for lacquers, coating compositions and sealing compounds are modified co-polymers of olefinically unsaturated compounds, having a molecular weight of 6000 to 160,000 and having for each 100 grams of solids content, a total of from 60 to 250 milliequivalents of chemically incorporated carboxyl groups, of which from 10 to 100% are neutralized thereby rendering the product dilutable in water and

Oxidatively cross-linkable, water dilutable binders, a process for their

Water-dilutable binders for water-dilutable lacquers, coating compositions or sealing compounds consist essentially of a mixture of 5 to 40 parts by weight of a crosslinker resin and 60 to 95 parts by weight of a copolymer containing carboxyl groups or acid anhydride groups or both and further containing hydroxyl groups, and wherein the carboxyl or acid anhydride groups have been at least partially converted into carboxylate groups to the degree necessary to provide solubility or dispersibility of the binder in water and said copolymer is obtained by copolymerizing an alpha, beta-unsaturated carboxylic acid, a hydroxyalkyl acrylate or methacrylate, an olefinic monomer, a hydroxy-free acrylate or methacrylate and, optionally other mono-or polyunsaturated monomer, and wherein at least 30% of the hydroxyl groups of the copolymer are modified by esterification with a lactone.

Water-dilutable binders, a process for their production and their use

The present invention is directed to polyester polyols in the hydroxyl number range of about 80 to 250 which are based on reaction products of

New polyester polyols and their use as polyol component in two-component

The present invention relates to new binder combinations comprising

Lacquer binder containing graft copolymer and polyisocyanates

The present invention relates to oxidatively drying binders containing ester groups and urethane groups, obtainable by the reaction of

Binder containing ester groups and urethane groups, process for

The present invention is directed to a process for the preparation of polymers containing hydroxyl groups by reacting polymers based on acrylic acid and/or methacrylic acid and containing carboxyl groups with alkylene oxides in the presence of catalysts, characterized in that the catalysts used are

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Kempen, Germany

Peter Hohlein