Basf Se Corporation

Basf Aktiengesellschaft

Universidad Del País Vasco/euskal Herriko Unibertsitatea

Roelof Balk

Hans-Werner Schmidt

Oliver Wagner

Matthias Gerst

Gerhard Auchter

Rolf Dersch

Sebastian Roller

Bastiaan Lohmeijer

Uwe Dittrich

Robert Wrazidlo

Bernhard Schuler

Harm Wiese

Wolfgang Gaschler

Konrad Roschmann

Onno Graalmann

Arno Tuchbreiter

Franca Tiarks

Alexandre Terrenoire

Peter Claassen

Jens Hartig

Sebastian Enck

Joost Leswin

Manfred Dargatz

Bas Lohmeijer

Massimo Bandiera

Ulrich Tromsdorf

Timothy Francis

Marinus Visseren

Maria Jesus Barandiaran

Tanja Rost

Immanuel Willerich

Frank Kolman

Leonardus Aan Meulen

Daniel Wilms

Andreas Bernet

Martin Robert Scheuble

Bernhard Van Der Most

Michael Groß

Bastiaan Lohmeijier

Aqueous polymer latexes of film-forming copolymers obtainable by aqueous emulsion polymerisation of at least one non-ionic monomer M1; and The present invention also relates to a process for producing such polymer latexes and to the use of these polymer latexes as binders in waterborne coating compositions which contain at least one inorganic tannin blocking compound and to the use of such coating compositions for coating tannin-containing substrates such as wood or wood-based materials.

Aqueous polymer latex

The present invention relates to a process for producing an aqueous polymer dispersion of polymerized ethylenically unsaturated monomers M having a polymer content of at least 55 wt. % and a polymodal particle size distribution of the polymer particles of the polymer dispersion. The invention also relates to aqueous polymer dispersions obtained from this process as well as aqueous liquid compositions comprising at least one aqueous polymer dispersion and the use of such aqueous liquid compositions as binder.

Process for producing an aqueous polymer dispersion

The present invention relates to a process for producing an aqueous polymer dispersion of polymerized ethylenically unsaturated monomers, where the process has a first polymerization step as an aqueous radical emulsion polymerization of a first monomer composition M.a and a subsequent further polymerization step as an aqueous radical emulsion polymerization of a second monomer composition M.b, where the monomers M comprise at least one monomer M0 which is selected from compounds of formula 1, wherein X is Cl, Br or OS(O)R, Y is H, Cl, Br, OS(O)R, C-C-alkyl, or C(═O)OR, Ris H or C-C-alkyl, Ris H or C-C-alkyl, Ris C-C-alkyl, Ris C-C-alkyl, Ris C-C-alkyl. The invention also relates to an aqueous polymer dispersion obtainable by such a process as well as the use of such dispersions.

Disclosed herein is a process for preparing an aqueous polymer latex by polymerising a monomer composition M by a radical emulsion polymerisation, where at least 95% of the monomer composition M is metered during a period P to the polymerisation reaction under polymerisation conditions, such that during at least one period P(n) within the period P, the relative amount of monomers M2, which are metered to the polymerisation reaction during the periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction during said period P(n), is at least 1% by weight higher than the relative amount of monomers M2, which are metered to the polymerisation reaction outside of each of said periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction outside of each of said periods P(n).

Process for preparing an aqueous polymer latex

The present invention provides very finely divided polymer dispersions obtainable by at least one two-stage emulsion polymerization, wherein

Finely divided aqueous multistage polymer dispersion, method for the production thereof, and use thereof as a binder

The present invention relates to a polymer dispersion obtainable by at least one two-stage emulsion polymerization, by 1) preparing a polymer A by a radical polymerization from a 1st composition comprising A) at least one monomer, B) at least one anionic copolymerizable emulsifier, 2) admixing the polymer A prepared at 1) with a base, 3) in the presence of the polymer A treated at 2), preparing a polymer B by radical polymerization from a 2nd composition comprising A) at least one monomer, B) at least one anionic copolymerizable emulsifier. The present invention also relates to a process for preparing the polymer dispersion of the invention, to coating materials in the form of an aqueous composition comprising the polymer dispersion of the invention, and to the use of the polymer dispersion of the invention for coating compositions or paints and varnishes.

Finely divided aqueous emulsion polymers and use thereof for hydrophobic coatings

The present invention relates to a method for producing an aqueous polymer dispersion by radical-initiated aqueous emulsion polymerization of ethylenically unsaturated monomers, and to polymer dispersions obtainable according to said method. The invention also relates to the use of the said polymer dispersions, in particular for the production of coating products for wood.

Method for producing an aqueous polymer dispersion

The present invention relates to aqueous hybrid binders comprising an aqueous polymer dispersion (PD), and also 0.01%-5% by weight of a photoinitiator, and also to aqueous alkyd systems comprising a water-soluble alkyd resin or an aqueous alkyd or polyurethane emulsion or dispersion, and also 0.01%-5% by weight of a photoinitiator, and to the use thereof in coating compositions, more particularly in coating materials.

Use of aqueous hybrid binders and alkyd systems for coating agents

The present invention relates to aqueous binder compositions obtainable by emulsion polymerization of

Low-VOC aqueous hybrid binders

Coating compositions containing an aqueous polymer dispersion having improved resistance toward chemicals. The aqueous polymer dispersion is prepared by polymerizing a first composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization and then, in the presence of a product mixture from the previous polymerization, polymerizing a second composition containing at least one ethylenically unsaturated group (monomers) by radical aqueous emulsion polymerization. The coating compositions are such that the difference between a glass transition temperature of a polymer prepared from the first polymerization and a glass transition temperature of a polymer prepared from the second polymerization is at least 50&#xb0; C.

Use of aqueous polymer dispersions for improving resistance to chemical influences

The present invention provides aqueous emulsion polymers comprising

Aqueous emulsion polymers, their preparation and use

The present invention relates to an aqueous binder composition comprising

Aqueous binder composition

The present invention relates to binders based on polymer dispersions and terephthalic bisamides with high water vapor transmission, and also to their use in formulations, especially for wood coatings.

Binders for coatings, having high water vapor permeability

The present invention relates to the use of aqueous hybrid binders for producing coating compositions, more particularly in high-gloss coating materials (high-gloss paints), and also to a process for their preparation with low residual monomer content.

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Boehl-Iggelheim, Germany

Roelof Balk