The present invention includes a process for producing treated filler that includes (a) treating a slurry that includes untreated filler, where the untreated filler has not been previously dried, with a treating composition that includes a treating agent, thereby forming a treated filler slurry, and (b) drying the treated filler slurry to produce treated filler. The treating agent can include a polymer having (i) at least one first group that interacts with the untreated filler and (ii) at least one second group that interacts with a rubber matrix into which the treated filler is incorporated. The present invention also is directed to treated filler prepared by the process, as well as rubber compounding compositions and tires including the treated filler.

The present invention includes a process for producing treated filler that includes (a) treating a slurry that includes untreated filler, where the untreated filler has not been previously dried, with a treating composition that includes a treating agent, thereby forming a treated filler slurry, and (b) drying the treated filler slurry to produce treated filler. The treating agent can include a polymer having (i) at least one first group that interacts with the untreated filler and (ii) at least one second group that interacts with a rubber matrix into which the treated filler is incorporated. The present invention also is directed to treated filler prepared by the process, as well as rubber compounding compositions and tires including the treated filler.

The present invention includes a process for producing treated filler that includes (a) treating a slurry that includes untreated filler where the untreated filler has not been previously dried, with a treating composition that includes a treating agent, thereby forming a treated filler slurry, and (b) drying the treated filler slurry to produce treated filler. The treating agent can include a polymer having (i) at least one first group that interacts with the untreated filler and (ii) at least one second group that interacts with a rubber matrix into which the treated filler is incorporated. The present invention also is directed to treated filler prepared by the process, as well as rubber compounding compositions and tires including the treated filler.

In order to provide a filler composition for fabricating a high-performance filler achieving good productivity while preventing worsening of a working environment and production of a VOC and to provide a filler and a method for producing the filler, a filler composition of the present invention contains wet silica, a polyoxyethylene unsaturated fatty acid ester, and a sulfur-containing silane coupling agent.

Method of producing a high strength (with improved tensile strength and elongation at break properties), high quality, cost effective, nanoparticle enhanced polyurea, polyurethane, and epoxy composites with chemical bonding into polymer backbone. The mechanical properties of tensile strength and elongation at break improves concurrently and significantly with tensile strength increasing well over 300%. The polymer/nanoparticle composite can be produced cost effectively as a high-quality coating system or in nanoparticle concentrate forms.

The present invention relates to surface-coated inorganic particles in which a portion or all of the surface of inorganic particles (A) is coated with a surface treatment agent (B), wherein the inorganic particles (A) comprise silica particles or silicate mineral particles, the surface treatment agent (B) comprises at least one selected from the group consisting of a modified silicone (b1) liquid at 25 C., and a water-soluble cationic polymer (b2), and the modified silicone (b1) comprises at least one selected from the group consisting of a polyether-modified silicone, a polyglycerin-modified silicone, a branched polyglycerol-modified silicone and an alkyl glyceryl ether-modified silicone.

The present invention relates to a silica particle dispersion including spherical silica particles and a solvent, in which the spherical silica particles have a median diameter d50 of 0.5 m to 20 m, and a product Ad50 of 2.7 m.Math.m.sup.2/g to 5.0 m.Math.m.sup.2/g, the product Ad50 being a product of a specific surface area A (m.sup.2/g) of the spherical silica particles and the median diameter d50 (m).

The present invention is a multilayered composite comprising porous metal oxide particles that are covalently bonded by way of inorganic ether groups to one or more sites of a first polyhydroxyl-functionalized polymer. This first polymer is in turn covalently bonded by way of inorganic ether groups to one or more sites of a second polyhydroxyl-functionalized polymer. The multilayered composites can be prepared by contacting porous inorganic-oxide particles with a sufficient amount of OH-reactive crosslinking agent to form metal oxide particles imbibed with the crosslinking agent, and then contacting the inorganic-oxide particles with a solution of polyhydroxyl-functionalized polymer under reactive conditions.

The invention relates to a process for manufacturing nanoparticles that are self-dispersing in water. It also relates to the self-dispersing nanoparticles obtained by the process of the invention and also a process for manufacturing a heat-transfer fluid containing the nanoparticles according to the invention or obtained by the process of the invention. The process of the invention comprises the following steps: a) optionally, manufacture of an aqueous dispersion of nanoparticles chosen from the nanoparticles of alumina (Al.sub.2O.sub.3), of zinc oxide (ZnO), of titanium oxide (TiO.sub.2), of silica (SiO.sub.2) and of beryllium oxide (BeO), b) addition to an aqueous dispersion of nanoparticles chosen from nanoparticles of alumina (Al.sub.2O.sub.3), of zinc oxide (ZnO), of titanium oxide (TiO.sub.2), of silica (SiO.sub.2) and of beryllium oxide (BeO), of a water-soluble polymer chosen from polyvinyl alcohols, polyethylene glycols, polyvinylpyrrolidones, polyoxazolines, starches, and mixtures of two or more thereof, and c) thermal quenching of the dispersion obtained in step b), and d) lyophilization of the quenched dispersion obtained in step c). The invention finds an application in the field of coolants in particular.

This invention relates to particles for electrophoretic displays, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.