Basf Aktiengesellschaft

Basf Se Corporation

Cheng-Le Zhao

Joachim Roser

Eckehardt Wistuba

Uwe Dittrich

Rolf Dersch

Manfred Schwartz

Bernhard Schuler

Michael J Anchor

Klemens Mathauer

Rajesh Kumar

Theodore Michael Smiecinski

Roland Baumstark

Bernhard Schlarb

Wolfgang H&uuml;mmer

Yeonsuk K Roh

Harald R&ouml;ckel

Jan J Spitzer

Paul L Fitzgerald

Li Zhuo

David Kaczan

Robert Shane Porzio

Terri A Cunningham

Joachim Pakusch

Gregor Ley

Harm Wiese

Wolfgang Gaschler

Konrad Roschmann

Gernot Franzmann

Bertold Bechert

Gerald Wildburg

Maria G Rau

Joerg Leuninger

Mario Sandor

Zhong Zeng

Alexander Haunschild

Zhaobin Zhang

Hexin Li

Akiko Tanabe

The invention relates to a coating composition comprising: (a) 10% to 99.9% by weight of resin based on the total weight of the coating composition; and (b) 0.1% to 20% by weight of a formaldehyde scavenger based on the total weight of the coating composition, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature. The invention relates to use of a coating composition for removing free formaldehyde from the environment, wherein the formaldehyde scavenger has at least one active methylene hydrogen and is solid at room temperature.

Coating compositions for removing free formaldehyde from the environment

A polyol includes the reaction product of an epoxidized oil and an organic acid. The epoxidized oil and the organic acid are reacted in the presence of a Lewis base catalyst including at least one of a phosphorous atom or a nitrogen atom. The polyol is formed by a method that includes the step of reacting the epoxidized oil with the organic acid in the presence of the Lewis base catalyst.

Polyol formed from an epoxidized oil

Polyol formed from an EPOXIDIZED oil

A method of making a composition comprising reacting, in a reactor, a non-halogenated acetoacetate group containing monomer, at least one additional monomer, and a base, wherein at least a portion of the base is fed to the reactor during reaction. Also, a composition comprising an aqueous polymer dispersion that is a product of a method comprising reacting a non-halogenated acetoacetate moiety containing monomer, at least one additional monomer, and a base, wherein the base is fed to the reaction during reaction, wherein the composition has a lower viscosity than a second composition, wherein the second composition is prepared from the same materials as the composition, and the second composition is made by a method wherein the base is added to the second composition after a reaction to form the second composition.

Process for production of polymer dispersions containing an acetoacetate moiety

An aqueous latex coating composition and method of making an aqueous latex coating composition that comprises at least one oligomeric ethylene glycol derivative having the structure RO&#x2014;(CH&#x2014;CH&#x2014;O&#x2014;)&#x2014;H, at least one latex polymer, and water, wherein R is H or C-Calkyl and preferably H, and n is from 3 to 9, preferably from 3 to 8, and more preferably from 3 to 6. The oligomeric ethylene glycol derivative functions as both a coalescing solvent and freeze-thaw stabilizer without contributing to the VOC content of the composition.

Low-VOC emulsion polymer coating compositions

The present invention relates to an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content, comprising a multi-stage polymer dispersion comprising (a) an inner phase comprising at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant having the structure: R&#x2014;Rwherein R1 is an allyl group selected from the group consisting of CH&#x2014;CH&#x2550;CH&#x2014; and CH&#x2550;CH&#x2014;CH&#x2014;, or an acrylic group and Ris a radical comprising at least two carbon atoms and at least one oxyethylene or oxypropylene unit; (b) an outer phase having a glass transition temperature of from 30&#xb0; C. to 110&#xb0; C. containing at least one ethylenic unsaturated monomer (c) at least one pigment; (d) water; and (e) less than 3.0% by weight based on the total weight of the aqueous coating composition of anti-freeze agents.

Low-VOC aqueous coating compositions with excellent freeze-thaw stability

The present invention is an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content. The aqueous coating composition of the invention includes at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant, at least one pigment, and water. In accordance with the invention, less than 3.0% by weight of anti-freeze agents based on the total weight of the aqueous coating composition are used in the composition. The present invention also includes a method of preparing an aqueous coating composition such as a latex paint including the above components.

The invention relates to aqueous pigment preparations containing i) at least one copolymer P of ethylenically unsaturated monomers M in the form of an aqueous polymer dispersion which contains between 0.1 and 1.5 weight %, in relation to the total weight of the copolymer P, of polymerized itaconic acid as acid monomer M1, its salts and/or anhydride, where up to 50 weight % of the itaconic acid can be substituted by another monomer having at least one acid group or a neutralized acid group, and whose glass transition temperature T lies between &minus;10 and &plus;50&deg; C.; ii) at least one inorganic pigment; iii) possibly inorganic fillers; and iv) standard additives. The invention also relates to the use of the copolymers P containing itaconic acid for improving the wet-abrasion resistance of polymer-bound coatings containing pigments.

Dispersion resins containing itaconic acid for improving wet abrasion resistance

An aqueous polymer dispersion having a minimum film-forming temperature of below &plus;65&deg; C. comprising at least one film-forming polymer in the form of dispersed polymer particles comprising a polymer phase P1 and a different polymer phase P2, the polymer dispersion being obtainable by free-radical aqueous emulsion polymerization comprising the following steps: i) polymerization of a first monomer charge M1 to give a polymer P1 having a theoretical glass transition temperature T (according to Fox) and ii) polymerization of a second monomer charge M2 to give a polymer P2 having a theoretical glass transition temperature T (according to Fox) which is different from T in the aqueous dispersion of the polymer P1, at least one chain transfer reagent being used either in the polymerization of the monomer charge M1 or in the polymerization of the monomer charge M2; a process for preparing the aqueous polymer dispersion; and a pigmented and/or filled coating composition comprising as a binder the aqueous polymer dispersion.

Aqueous polymer dispersions

Aqueous formulations comprising as film-forming constituent at least one copolymer P, synthesized from ethylenically unsaturated monomers M, are used for coating shaped mineral articles, the copolymer P having a glass transition temperature in the range from &minus;25 to &plus;80&deg; C. and the monomers M comprising more than 0.2% by weight and up to 5% by weight, based on their overall weight, of itaconic acid as monomer M1.

Method of coating a shaped mineral article

Use of surfactants for improving the compatibility of inorganic pigments in aqueous coating compositions

A process for preparing aqueous polymer dispersions comprises first of all subjecting ethylenically unsaturated monomers to free-radical aqueous emulsion polymerization to prepare an aqueous dispersion of a polymer 1 having a glass transition temperature Tg , then dissolving further, comparatively hard monomers in the dispersed particles of the polymer 1, and subsequently carrying out free-radical polymerization of said monomers dissolved in said particles.

Multistage aqueous dispersion of polymer particles having a soft core and hard shell

Pigmented formulations based on aqueous polymer dispersions

Aqueous polymer preparations containing pigments

Growing community of inventors

Charlotte, NC, United States of America

Cheng-Le Zhao