Allnex Austria Gmbh

Solutia Austria Gmbh

Cytec Surface Specialties Austria Gmbh

Allnex Belgium S.a.

Vianova Resins Ag

Surface Specialties Austria Gmbh

Cytec Austria, Gmbh

Anton Arzt

Markus Schafheutle

Gerlinde Petritsch

Julius Burkl

Joerg Wango

Martina Glettler

Ulrike Kuttler

Rudolf Jedlicka

Hannelore Gsoell

Robert Harrer

Markus A Schafheutle

Gerhard Reidlinger

Ursula Meisner

Jörg Wango

Gudrun Garber

Renate Pittermann

Birgit Anner

Susanne Dellinger

Florian Lunzer

Johann Billiani

Rami-Raimund Awad

Martin Gerlitz

Michael Gobec

Philippe Deligny

Hannelore Gsöll

Susanne Neumayer

Andreas Lerch

The invention relates to aqueous polyurethane-vinyl polymer hybrid dispersions comprising, as building blocks hydrophobically modified hydroxy-functional polyesters A, acids B that have further groups which react with isocyanates under formation of urethanes, ureas, or thiourethanes, compounds G having only one hydroxyl group, and one or more tertiary amino groups, olefinically unsaturated monomers H2 having a polymerisable ethylenic unsaturation and a further functional group which reacts with an isocyanate group under bond formation, olefinically unsaturated monomers H1 having at least one polymerisable ethylenic unsaturation and no further functional group which reacts with an isocyanate group, and multifunctional isocyanates I having at least two isocyanate groups per molecule, to a process of their preparation, and to a method of use thereof.

Aqueous polyurethane&#x2014;vinyl polymer hybrid dispersions

The invention relates to an aqueous polyurethane dispersion U comprising at least two aqueously dispersed polyurethanes whereof at least one is an aqueously dispersible polyurethane U1 having a mass-average molar mass Mw1 of at least 10 kg/mol, and at least one is an aqueously dispersible polyurethane U2 having a mass-average molar mass Mw2 of less than 10 kg/mol, a process for the preparation thereof, and a method of use thereof.

Aqueous polyurethane dispersion

The invention relates to an aqueously dispersible polyurethane having a specific amount of substance of hydroxyl groups, &#x2014;OH, of at least 0.6 mol/kg, and additionally satisfying at least two of the following conditions: a) a degree of branching measured as specific amount of substance of tertiary and/or quaternary aliphatic carbon atoms of from 0.01 mol/kg to 0.5 mol/kg, b) a specific amount of urea groups &#x3e;N&#x2014;CO&#x2014;N&#x3c; of from 0.8 mol/kg to 2 mol/kg, and c) a specific amount of substance of hydroxyl groups, &#x2014;OH, of from 1 mol/kg to 4 mol/kg, wherein in each case the specific amount of substance is based on the mass of the polyurethane, a process for the preparation thereof, and a method of use thereof.

Aqueously dispersible polyurethane

The invention relates to aqueous polyurethane-vinyl polymer hybrid dispersions comprising, as building blocks, hydrophobically modified hydroxy-functional polyesters A, acids B that have further groups which react with isocyanates under formation of urethanes, ureas, or thiourethanes, compounds G having only one hydroxyl group, and one or more tertiary amino groups, olefinically unsaturated monomers H2 having a polymerisable ethylenic unsaturation and a further functional group which reacts with an isocyanate group under bond formation, olefinically unsaturated monomers H1 having at least one polymerisable ethylenic unsaturation and no further functional group which reacts with an isocyanate group, and multifunctional isocyanates I having at least two isocyanate groups per molecule, to a process of their preparation, and to a method of use thereof.

The invention relates to an aqueously dispersible polyurethane having a specific amount of silicon n(Si)/m(PU) of from 0.05 mol/kg to 1 mol/kg, and a specific amount of urea groups, n(U)/m(PU), &#x3e;N&#x2014;CO&#x2014;N&#x3c; of from 0.8 mol/kg to 2 mol/kg, wherein in each case the specific amount of substance is calculated as the ratio of the amount of substance n of the entity under consideration, to the mass m(PU) of the polyurethane, to a process for the preparation thereof, and a method of use thereof.

The invention relates to mixtures of at least one acrylic resin dispersion A and a second dispersion B which is at least one of a polyurethane dispersion B1 which comprises, in its polymer, moieties derived from grafted fatty acids, and a mixture B2 of a polyurethane dispersion B21 and an aqueously dispersed alkyd resin B22, and to a method of use thereof for coating of porous substrates.

Aqueous binder compositions

The invention relates to a polyurethane P comprising a moiety derived from a polyfunctional isocyanate F, and a hydroxyfunctional compound ABCE made from a grafted fatty acid AB which in turn is made from a fatty acid A having at least one olefinic unsaturation, and grafted with a mixture B of olefinically unsaturated monomers which mixture comprises at least one acid-functional olefinically unsaturated monomer B1, wherein the grafted fatty acid AB has on average at least 1.1 acid groups per molecule, at least one polyhydric alcohol C having at least two hydroxyl groups, and at least one fatty acid E, to a process of making this polyurethane, and to a method of use thereof in the form of an aqueous dispersion to formulate coating compositions.

Polyurethane dispersions, a process of making, and a method of use thereof

A two-pack coating composition comprising curing agents selected from the group consisting of non-blocked poly-functional isocyanates I, polyaziridines Z, and carbodiimides Y, and an aqueously dispersed polyurethane U wherein the polyurethane U comprises building blocks derived from hydroxyl group containing unsaturated fatty acids B21, a process for the production of the polyurethane U, and a method of use thereof in combination with the said curing agents in preparing coating compositions which are particularly useful for wood.

Oil based aqueous polyurethane dispersions

This invention relates to a self-crosslinking binder for coating compositions comprising an aqueously dispersed resinous component A having at least one carbonyl group of the ketone or aldehyde type per molecule, and a component B having at least two hydrazine or hydrazide groups per molecule, and at least one structural unit &#x2014;NR&#x2014;NR&#x2014;CHR&#x2014;CHR&#x2014;NH&#x2014;R(I) where the radicals R, R, Rand Rare each individually selected from the group consisting of a hydrogen radical, and a linear or branched alkyl radical having from 1 to 10 carbon atoms, Rand Rmay additionally be selected from the group consisting of aryl and alkylaryl radicals having from 6 to 15 carbon atoms, and from oxy alkyl radicals with from 1 to 10 carbon atoms, where oxy groups may be inserted into the alkyl chain, or at the end of an alkyl chain, and Ris selected from the group consisting of a hydrogen radical, alkyl radicals which may be linear, branched or cyclic and may have from 1 to 10 carbon atoms, and residues of the formula &#x2014;(CH)&#x2014;CO&#x2014;O&#x2014;X, where n is an integer of from 1 to 6, and X is the residue of a polyhydric alcohol or phenol, and a process for its preparation.

Self-crosslinking binders

The invention relates to self-crosslinking aqueous polyurethane dispersions containing a crosslinking agent I selected from diamones I1 and dihydrazides I2, and polyurethanes comprising structural elements derived from polyisocyanates A, polyols B having a number average molar mass Mof at least 400 g/mol, compounds D comprising at least two groups which are reactive compared to isocyanate groups and at least one group able to form anions, low-molecular polyols E that carry no other reactive groups compared to isocyanate groups, compounds F containing at least one group which is reactive compared to isocyanate, and at least one aldehyde-type or ketone-type carbonyl group, and compounds G that are monofunctional compared to isocyanates or contain active hydrogen with different capabilities of reaction and are different from the compounds E. The invention also relates to methods for the production of said dispersions, and coating agents containing the same.

Self-crosslinking aqueous polyurethane dispersions

Water-dilutable polyurethane dispersions comprising structural units derived from polyisocyanates A, polyols B having a number-average molar mass Mof at least 400 g/mol, compounds D that contain at least two groups reactive towards isocyanate groups and at least one group capable of anion formation, low molar mass polyols E that do not carry any further groups reactive towards isocyanate groups, compounds G that are monofunctional towards isocyanates or contain active hydrogen of different reactivity and that are different from the compounds E, characterised in that the polyols B contain a mass fraction of polycarbonate polyols Bof at least 85%, and the use thereof in coating compositions

Water-dilutable polyurethane dispersions

Aqueous stoving enamels containing resins A which have hydroxyl groups and are made hydrophilic by partially neutralized acid groups, and highly etherified aminoplasts B, characterised in that the aqueous solutions or dispersions of the resin have a pH value of 6 or below, a method for the preparation thereof, and a method of use comprising coating thermally sensitive substrates.

Aqueous stoving enamels

A water-dispersible polyurethane resin comprising building blocks derived from polyisocyanates A, polyols B having a number-average molar mass Mof at least 400 g/mol, where appropriate, low molar mass polyols C with Mbelow 400 g/mol, compounds D which possess at least two groups which are reactive toward isocyanate groups and at least one group which is capable of forming anions, low molar mass polyols E which in relation to isocyanate groups carry no further reactive groups, compounds F, which are monofunctional toward isocyanates or contain active hydrogen of different reactivity and are different from the compounds E and also, where appropriate, compounds G, which are different from B, C, D, E and F and contain at least two groups which are reactive with NCO groups, wherein the number-average molar mass Mof the polyurethane resin is at least 10 kg/mol, its weight-average molar mass Mis at least 20 kg/mol, and its acid number is from 20 to 50 mg/g; a process for its preparation; and its use as a binder.

High molar mass polyurethane dispersions

Coating composition especially for preparing automotive surfacers, comprising a condensation product A of a carboxyl-containing resin A1 and a hydroxyl-containing resin A2, a curing agent C which becomes active only at an elevated temperature of at least 80&deg; C., and a high molecular mass polyurethane B.

Coating composition

Storage-stable polyurethane dispersions preparable by reacting polydienes A which carry at least two isocyanate-reactive groups, polyols B which carry at least one acid group, polyfunctional isocyanates C and chain extenders D, wherein the acid groups of the polyols B are neutralized to a fraction of from 60 to 95%, processes for preparing them, and their use for producing elastic coatings.

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Neu-Tillmitsch, Austria

Anton Arzt