C08K5/3412

Aqueous acrylic polymer latexes and their use as binders

The present invention relates to aqueous acrylic polymer latexes, which are suitable as binders in coating compositions for providing flexible roofing. The present invention also relates to coating compositions containing such binders, which are suitable for providing flexible roofing. The aqueous acrylic polymer latexes have a glass transition temperature T.sub.g of at most from −10° C., in particular at most −20° C., or, in case of a multi-stage polymer latex a weight average glass transition temperature T.sub.g of at most from −10° C., where the polymer of the acrylic polymer latex has a carbon polymer backbone formed by polymerized ethylenically unsaturated monomers M comprising acrylic monomers, and where the carbon polymer backbone bears functional groups of the formula (I) attached to carbon atoms of the polymer backbone *—C(═O)—O-[A-NH].sub.nH (I) where the asterisk indicates the atom attached to a carbon atom of the polymer backbone, n is an integer, the number average of n in all functional groups of the formula (I) being >1, in particular at least 1.1 or at least 1.2 or at least 1.3, and A is selected from the group consisting of 1,2-ethandiyl or 1,2-propandiyl, where the functional groups of the formula (I) contribute to the total weight of the polymer in the acrylic polymer latex by 0.1 to 10% by weight.

SOUND DEADENER COMPOSITION
20230091709 · 2023-03-23 ·

This invention relates to a sound deadener composition, comprising at least two carboxyl functional polymers with different glass transition temperatures (Tg); at least one organic compound with at least two aziridinyl groups per molecule; and water. The reaction between at least two carboxyl functional polymers with different glass transition temperatures (Tg) and at least one organic compound with at least two aziridinyl groups per molecule forms an IPN structure reaction product so that the cured product of the sound deadener composition according to the present invention exhibits widened temperature range for effective damping.

SOUND DEADENER COMPOSITION
20230091709 · 2023-03-23 ·

This invention relates to a sound deadener composition, comprising at least two carboxyl functional polymers with different glass transition temperatures (Tg); at least one organic compound with at least two aziridinyl groups per molecule; and water. The reaction between at least two carboxyl functional polymers with different glass transition temperatures (Tg) and at least one organic compound with at least two aziridinyl groups per molecule forms an IPN structure reaction product so that the cured product of the sound deadener composition according to the present invention exhibits widened temperature range for effective damping.

SOUND DEADENER COMPOSITION
20230091709 · 2023-03-23 ·

This invention relates to a sound deadener composition, comprising at least two carboxyl functional polymers with different glass transition temperatures (Tg); at least one organic compound with at least two aziridinyl groups per molecule; and water. The reaction between at least two carboxyl functional polymers with different glass transition temperatures (Tg) and at least one organic compound with at least two aziridinyl groups per molecule forms an IPN structure reaction product so that the cured product of the sound deadener composition according to the present invention exhibits widened temperature range for effective damping.

TWO-COMPONENT COATING SYSTEM

The present invention relates to a two-component coating system comprising a first component and a second component each of which is separate and distinct from each other, wherein the first component comprises a carboxylic acid functional polymer dissolved and/or dispersed in an aqueous medium, and the second component comprises a multi-aziridine compound having: a) from 2 to 6 of the following structural units (A): b) whereby m is an integer from 1 to 8; and o R′ and R″ are both H b) one or more linking chains wherein each one of these linking chains links two of the structural units A; c) one or more connecting groups whereby each one of the connecting groups connects two of the structural units A; and d) a molecular weight in the range from 840 Daltons to 5000 Daltons, wherein the molecular weight is measured using MALDI-TOF mass spectrometry.

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High Temperature Polymer Adhesive and Laminate Using the Adhesive
20230060951 · 2023-03-02 · ·

A polymer adhesive includes a polymer base comprising an ethylene and/or propylene copolymer and a crosslinking agent selected from the group consisting of hydroxyalkyl amides, melamines, and aziridines. A laminate includes a first substrate, a second substrate, and the polymer adhesive between the first substrate and the second substrate.

High Temperature Polymer Adhesive and Laminate Using the Adhesive
20230060951 · 2023-03-02 · ·

A polymer adhesive includes a polymer base comprising an ethylene and/or propylene copolymer and a crosslinking agent selected from the group consisting of hydroxyalkyl amides, melamines, and aziridines. A laminate includes a first substrate, a second substrate, and the polymer adhesive between the first substrate and the second substrate.

Steel Protective Coating Compositions, Methods of Their Manufacture, and Methods of Their Use
20230124254 · 2023-04-20 ·

Steel sheet coating compositions in which polymeric resin or ceramic properties are produced by admixing an aluminum coordinate complex and an aluminum resin, a polysilazane as a source of silicon, an organic solvent, an organic synthesis catalyst, and optionally a non-metallic, non-ionic, low-nucleophilic base. The admixed coating is applied to sheet steel prior to hot-stamping in order to inhibit surface formation of iron oxides and to improve steel sheet surface characteristics.

Steel Protective Coating Compositions, Methods of Their Manufacture, and Methods of Their Use
20230124254 · 2023-04-20 ·

Steel sheet coating compositions in which polymeric resin or ceramic properties are produced by admixing an aluminum coordinate complex and an aluminum resin, a polysilazane as a source of silicon, an organic solvent, an organic synthesis catalyst, and optionally a non-metallic, non-ionic, low-nucleophilic base. The admixed coating is applied to sheet steel prior to hot-stamping in order to inhibit surface formation of iron oxides and to improve steel sheet surface characteristics.

PARTICLES OF (AZIRIDINYL HYDROXY)-FUNCTIONAL ORGANIC COMPOUNDS

The invention relates to particles comprising a particular (aziridinyl hydroxy)-functional organic component. The invention further relates to mixtures comprising said particles. The invention further relates to aqueous dispersions comprising said particles. The invention further relates to aqueous compositions comprising said particles. The invention further relates to coating compositions comprising said particles. The invention further relates to aqueous coating compositions comprising said particles. The invention further relates to particles obtained by a process comprising—amongst others—the steps of providing an aqueous dispersion comprising a particular (aziridinyl hydroxy)-functional organic component. The invention further relates to a kit-of-parts comprising in one of its parts an aqueous dispersion comprising a particular (aziridinyl hydroxy)-functional organic component. The invention further relates to cured forms of the various particles, mixtures, aqueous dispersions, aqueous compositions, coating compositions, and aqueous coating compositions. The invention further relates to articles comprising the particles and/or said mixtures, and/or said aqueous dispersions and/or aqueous compositions and/or said cured forms. The invention further relates to various uses of the particles and/or said mixtures, and/or said aqueous dispersions and/or aqueous compositions and/or said cured forms.