Aqueous compositions comprising a blend of emulsion vinyl copolymer and polyurethane dispersion

The present invention provides compositions that enable excellent early hardness development in coating applications, the compositions comprising a blend of one or more copolymer, pA, having a Tg of 20° C. or higher, and one or more polyurethane copolymer in aqueous dispersion, pB, together with one or more additive chosen from a coalescent having a normal boiling point of from 150° C. to no greater than 300° C., a naturally derived plasticizer, and mixtures thereof. The polyurethane copolymer comprises at least 40 wt. %, based on the weight of polyurethane solids, of: (i) a first polyol having a molecular weight of at least 850, wherein the first polyol is a polyether polyol, or (ii) a second polyol chosen from a polyester, a polycaprolactam, a polycarbonate and a combination thereof, wherein the second polyol has a molecular weight of at least 1,500, or (iii) a combination of one or more first polyol and one or more second polyol. The compositions may be ambient curable.

Liquid-applied sound dampening

A liquid applied sound dampening composition with a binder having from 0.03% to 3% phosphorus present as copolymerized pendant phosphorus acid groups ...

Aqueous compositions comprising a blend of emulsion vinyl copolymer and polyurethane dispersion

The present invention provides compositions that enable excellent early hardness development in coating applications, the compositions comprising a blend of one or more copolymer, pA, having a Tg of 20° C. or higher, and one or more polyurethane copolymer in aqueous dispersion, pB, together with one or more additive chosen from a coalescent having a normal boiling point of from 150° C. to no greater than 300° C., a naturally derived plasticizer, and mixtures thereof. The polyurethane copolymer comprises at least 40 wt. %, based on the weight of polyurethane solids, of: (i) a first polyol having a molecular weight of at least 850, wherein the first polyol is a polyether polyol, or (ii) a second polyol chosen from a polyester, a polycaprolactam, a polycarbonate and a combination thereof, wherein the second polyol has a molecular weight of at least 1,500, or (iii) a combination of one or more first polyol and one or more second polyol. The compositions may be ambient curable.

Aqueous compositions comprising a blend of emulsion copolymers

The present invention provides compositions that enable excellent early hardness development in coating applications, the compositions comprising a blend of one or more acrylic emulsion copolymer, pA, having a Tg of 20° C. or higher, and one or more acrylic emulsion copolymer, pB, having a Tg at least 15° C. lower than that of pA, together with one or more additive chosen from a coalescent having a normal boiling point no greater than 300° C., a naturally derived plasticizer, and mixtures thereof. The compositions may be ambient curable.

LATEX COMPOSITION CONTAINING AN AMINOSILANE AND AN ANION EXCHANGE RESIN

The present invention relates to a composition comprising an aqueous dispersion of polymer particles; b) anion exchange resin particles; and c) an aminosilane. The composition achieves a more desirable balance of stain blocking and stain removal properties in pigmented coating formulations over compositions that contain the latex and the aminosilane but no anion exchange resin, or the latex and the ion exchange resin but no aminosilane.

Liquid-applied sound damping

A liquid applied sound damping composition with a binder having from 0.05 wt. % to 20 wt. %, based on the total weight of polymer solids, of carboxy acid monomers, present as copolymerized monomers in pendant polyacid sidechain groups.

Liquid-applied sound damping

A liquid applied sound damping composition with a binder having from 0.05 wt. % to 20 wt. %, based on the total weight of polymer solids, of carboxy acid monomers, present as copolymerized monomers in pendant polyacid sidechain groups.

Aqueous compositions comprising a blend of emulsion copolymers

The present invention provides compositions that enable excellent early hardness development in coating applications, the compositions comprising a blend of one or more acrylic emulsion copolymer, pA, having a Tg of 20° C. or higher, and one or more acrylic emulsion copolymer, pB, having a Tg at least 15° C. lower than that of pA, together with one or more additive chosen from a coalescent having a normal boiling point no greater than 300° C., a naturally derived plasticizer, and mixtures thereof. The compositions may be ambient curable.

Shear thinning thermally conductive silicone compositions

A composition contains the following components: (a) 15 to 49.8 volume-percent of a first polysiloxane that is has a viscosity in a range of 50 centiStokes to 550 Stokes as determined according to ASTM D4283-98; (b) 0.2 to 5 volume-percent of an organoclay; (c) 50-74 volume-percent roundish or crushed thermally conductive fillers including: (i) 5 to 15 volume-percent small thermally conductive fillers having a median particle size in a range of 0.1 to 1.0 micrometers; (ii) 10 to 25 volume-percent medium thermally conductive fillers having a median particle size in a range of 1.1 to 5.0 micrometers; (iii) 25 to 50 volume-percent large thermally conductive fillers having a median particle size in a range of 5.1 to 50 micrometers; and (d) 0 to 5 volume-percent of an alkoxy functional linear polysiloxane different from the first polysiloxane and/or an alkoxy functional linear silane; where volume-percent values are relative to composition volume.

Liquid-applied sound dampening

A liquid applied sound dampening composition with a binder having from 0.03% to 3% phosphorus present as copolymerized pendant phosphorus acid groups.

Liquid-Applied Sound Damping

A liquid applied sound damping composition with a binder having from 0.05 wt.% to 20 wt.%, based on the total weight of polymer solids, of carboxy acid monomers, present as copolymerized monomers in pendant polyacid sidechain groups.

Liquid-applied sound dampening

A liquid applied sound dampening composition with a binder having from 0.03% to 3% phosphorus present as copolymerized pendant phosphorus acid groups

Liquid-Applied Sound Damping

Shear thinning thermally conductive silicone compositions

Shear thinning thermally conductive silicone compositions

A composition contains the following components: (a) 15 to 49.8 volume-percent of a first polysiloxane that is has a viscosity in a range of 50 centiStokes to 550 Stokes as determined according to ASTM D4283-98; (b) 0.2 to 5 volume-percent of an organoclay; (c) 50-74 volume-percent roundish or crushed thermally conductive fillers including: (i) 5 to 15 volume-percent small thermally conductive fillers having a median particle size in a range of 0.1 to 1.0 micrometers; (ii) 10 to 25 volume-percent medium thermally conductive fillers having a median particle size in a range of 1.1 to 5.0 micrometers; (iii) 25 to 50 volume-percent large thermally conductive fillers having a median particle size in a range of 5.1 to 50 micrometers; and (d) 0 to 5 volume-percent of an alkoxy functional linear polysiloxane different from the first polysiloxane and/or an alkoxy functional linear silane; where volume-percent values are relative to composition volume.

Wässrige zusammensetzungen mit einem gemisch aus emulsionsvinylcopolymer und polyurethandispergierung

Shear thinning thermally conductive silicone compositions

A composition contains the following components: (a) 15 to 49.8 volume-percent of a first polysiloxane that is has a viscosity in a range of 50 centiStokes to 550 Stokes as determined according to ASTM D4283-98; (b) 0.2 to 5 volume-percent of an organoclay; (c) 50-74 volume-percent roundish or crushed thermally conductive fillers including: (i) 5 to 15 volume-percent small thermally conductive fillers having a median particle size in a range of 0.1 to 1.0 micrometers; (ii) 10 to 25 volume-percent medium thermally conductive fillers having a median particle size in a range of 1.1 to 5.0 micrometers; (iii) 25 to 50 volume-percent large thermally conductive fillers having a median particle size in a range of 5.1 to 50 micrometers; and (d) 0 to 5 volume-percent of an alkoxy functional linear polysiloxane different from the first polysiloxane and/or an alkoxy functional linear silane; where volume-percent values are relative to composition volume.

Composiciones acuosas que comprenden una mezcla de copolimero de vinilo en emulsion y dispersion de poliuretano.

La presente invención proporciona composiciones que permiten excelente desarrollo de dureza inicial en aplicaciones de revestimiento, las composiciones comprenden una mezcla de uno o más copolimeros pA, que tienen una Tg de 20°C o superior, y uno o más copolímeros de poliuretano en dispersión acuosa, pB, junto con uno o más aditivos seleccionados de un coalescente que tiene un punto de ebullición normal de 150°C a no mayor a 300°C, un plastificante de origen natural, y sus mezclas. El copolímero de poliuretano comprende al menos 40 % en peso, con base en el peso de los sólidos de poliuretano, de: (i) un primer poliol que tiene un peso molecular de al menos 850, en donde el primer poliol es un poliéter poliol, o (u) un segundo poliol seleccionado de un poliéster, una policaprolactama, un policarbonato y una combinación de los mismos, en donde el segundo poliol tiene un peso molecular de al menos 1,500, o (iii) una combinación de uno o más primeros polioles y uno o más segundos polioles. Las composiciones pueden ser curables en condiciones ambiente.

Aqueous dispersion of polymer particles, microspheres, and colloidial silica particles.

The present invention is a composition comprising an aqueous dispersion of polymer particles, polymeric organic crosslinked microspheres, and colloidal silica particles. The composition is useful in coating compositions for exterior applications to achieve a balance of excellent dirt pickup resistance and durability performance under accelerated testing conditions.