Abstract: A process is provided for the preparation of lacing resistant, titanium dioxide particles for use in photodurable thin film production. Said process involves dewatering titanium dioxide particles that have been encapsulated with a layer of amorphous alumina in continuous fashion at temperatures in excess of 100° C.

Abstract: A manufacturing process for an anti-dust and easily dispersible carbon black pigment is disclosed herein. The pigment is convenient to handle and does not generate potentially hazardous airborne particles during transportationor duringany suitable processing conditions employed in end applications in the relevant industry including cosmetics, paint or ink.

Abstract: A method for preparing an aqueous based coating system, and coating systems made thereby, for coating onto paper and/or paperboard for providing barrier to liquid, moisture vapor, oil and grease including a pigment and a polymer emulsion system or natural based binding system. One alternative of the method includes surface treating a pigment to form a pigment system and mixing a polymer emulsion system or natural based binding system with the pigment system. Another alternative of the method includes mixing a pigment and polymer emulsion system or natural based binding system and hydrophobizing the polymer emulsion system or natural based binding system by adding silanes, siloxanes, siloxane/silicone resin blends, or their carbon based analogs.

Abstract: The disclosure provides a process for preparing a self-dispersing pigment having an isoelectric point of at least about 8 comprising: (a) adding a dual functional compound with an acidic aluminum salt to form an aqueous solution, wherein the dual functional compound comprises an anchoring group that attaches the dual-functional compound to the pigment surface, and a basic amine group comprising a primary, secondary or tertiary amine; (b) adding a base to the mixture from step (a) whereby the pH is raised to about 4 to about 9 to form a turbid solution; and (c) adding the mixture from step (b) to a slurry of inorganic particles whereby a hydrous alumina and the dual functional compound are deposited on the pigment surface. The self-dispersing pigments prepared by this process are useful in making décor paper that may be used in paper laminates.

Abstract: A computer implemented method. The method includes obtaining, using a processor, reflectance data from a target coating and calculating, using the processor, a reflectance from the data, wherein calculating comprises performing a calculation using a radiative transfer equation. The method also includes generating, using the processor and based on the reflectance, a coating formulation that is the same or substantially similar in appearance to the target coating.

Abstract: A cost-effective process for loading particulate pigment into a polymer concentrate includes adding a basic pH aqueous solution having a water soluble organic salt to a milled particulate pigment to form an organic-coated particulate pigment. The pH of the basic aqueous solution is sufficiently basic that the water soluble organic salt remains in a salt form. Without a prior micronization step, the organic-coated particulate pigment is mixed with a polymer resin to form a polymer concentrate having from about 50% to about 87% by weight particulate pigment with dispersibility comparable to micronized organic-coated particulate pigment.

Abstract: A colorant composition for tinting or coloring surface coverings or paint is. provided that has a low volatile organic compound (VOC) concentration, alkylphenoi ethoxylate surfactants (APE) free and hazardous air pollutants (HAPS) free. Additionally, the colorant composition has performance properties substantially equal to or better than tinters possessing high VOC concentrations. The colorant composition includes a colorant component, a dispersant including a polyamide, a surface active agent, water, and optional additives, The polyamide is a high molecular weight polyamide.having at least two anchoring amines, and the surface active agent includes phosphoric acid, phosphate esters, or salts thereof.

Abstract: A highly loaded concentrate pellet composition includes an active ingredient in a concentration of at least about 60% by weight, and a low molecular weight binder in a concentration of up to about 35% by weight. The active ingredient is evenly dispersed in the binder. The binder has a melting point that permits the composition to melt under shear in an extruder. The binder is non-metallocene and non-stearic.

Abstract: The present invention relates to a process for preparing self-binding pigment particles comprising the following steps: a) providing an aqueous mineral pigment material suspension; b) providing at least one polymeric binder, wherein the binder comprises at least one modified polysaccharide having a degree of carboxylation in the range of 0.4 to 2.0 and having an intrinsic viscosity in the range of >300 to 500 ml/g, c) mixing the binder of step b) with the aqueous mineral pigment material suspension of step a) and adjusting the solids content of the obtained suspension so that it is >45 to 95 wt.-%, preferably from 45 to 80 wt.-%, based on the total weight of the suspension, and d) grinding the aqueous mineral material suspension of step c).

Abstract: A paint composition includes microfibrillated cellulose, binder, and solvent. The microfibrillated cellulose may be present in an amount ranging from about 0.1% to about 10% by weight based on the total weight of the paint composition.

Abstract: Hydrophilic coating compositions and methods to make and use the compositions are disclosed. The compositions include a photocatalytic pigment material made up of an inorganic pigment and a monomeric anti-oxidants and free radical scavenger that is contacted to the surface of the inorganic pigment.

Abstract: The invention relates to metal oxide particles and/or metal hydroxide particles, aftertreated with an organic phosphorus compound, process for the preparation thereof, and compositions comprising same.

Abstract: A matting agent useful for the preparation of matted coatings comprising, inorganic oxide particulates; and wax coated on the inorganic oxide particulates, wherein the wax possesses a crystallinity of about 50% or more and said wax is present in an amount ranging from 15 wt % to 30 wt % based on a total weight of said matting agent.

Abstract: The present invention relates to a new mineral matter particle hydrophobization agent and to its various uses for the surface treatment of mineral matter particles.

Abstract: An inkjet ink includes a pigment incorporated in an aqueous ink vehicle. The pigment includes metal oxide and/or mixed metal oxide particles and a plurality of reacted dispersant molecules attached to the outer surfaces of the particles to form a coating on the outer surfaces. The reacted dispersant molecules are attached to the metal oxide and/or mixed metal oxide particle outer surfaces through a silanol linking group of the reacted dispersant molecules. The coating is present in an amount ranging from about 10 wt % to about 50 wt % with respect to the wt % of the metal oxide and/or mixed metal oxide particles.

Abstract: The present invention relates to cellulosic particles, a suspension of cellulosic particles and a process for the production of a suspension of cellulosic particles, whereby the cellulosic material is never dried between the dissolution of the cellulose and the disintegration of the suspended cellulose fibers.

Abstract: The invention relates to the manufacture of pigment-containing composite pigment particles containing titanium dioxide pigment particles and at least one inorganic and/or organic filler as extender, as well as calcium carbonate that is precipitated in the process, and their use for improving the pigment light-scattering efficiency in coatings, plastics and laminates. The extender is preferably selected from Ca-, Ca—Mg- and Mg-carbonates, natural and synthetic silicon dioxide and oxides and are manufactured in a combined process of precipitation and dispersion. Depending on the combination selected, the use of composite pigment particles according to the invention permits pigment savings with little or no loss of optical properties. Alternatively, if the pigment content remains unchanged, it is possible to achieve better values, e.g. for tinting strength. Particularly, a part or the whole TiO2 quantity in the user system can be replaced by the composite pigment particles according to the invention.

Abstract: The process relates to mineral material slurries used in concrete, sealants, paper, paint or plastic applications, wherein the surface of the wet mineral matter slurry displays an increased whitening.

Abstract: Microstructured films comprising surface modified inorganic oxide particles and polymerizable resins are described.

Abstract: The present invention relates to a new mineral matter particle hydrophobization agent and to its various uses for the surface treatment of mineral matter particles.

Abstract: A method for manufacturing a fatty acid metal salt particle includes forming a coating layer including a fatty acid metal salt on a surface of a core material particle in supercritical carbon dioxide.

Abstract: A method for producing a rutile titanium oxide sol having a particle diameter measured by dynamic light scattering of 5 nm to 100 nm, the method comprising: a process (a): mixing a tin oxalate aqueous solution, a titanium alkoxide, oxalic acid, a quaternary ammonium hydroxide, and water, while adjusting, per mole of titanium atoms, a proportion of tin atoms to be from 0.1 mol to 0.8 mol, a proportion of the oxalic acid to be from 0.01 mol to 5 mol, and a proportion of the quaternary ammonium hydroxide to be from 0.1 mol to 3.5 mol to prepare a titanium-containing aqueous solution having a concentration in terms of TiO2 of 0.1% by mass to 15% by mass; and a process (b): performing hydrothermal treatment on the titanium-containing aqueous solution produced in the process (a) at 100° C. to 200° C.

Abstract: A highly loaded concentrate pellet composition includes an active ingredient in a concentration of at least about 60% by weight, and a low molecular weight binder in a concentration of up to about 35% by weight. The active ingredient is substantially evenly dispersed in the binder. The binder has a melting point that permits the composition to melt under shear in an extruder. The binder is non-metallocene and non-stearic.

Abstract: Disclosed are a functional reinforcing filler including inorganic particles surface-modified with an alkenylsilanol obtained by hydrolyzing an alkenylalkoxysilane compound, and a method for preparing the same. Since the disclosed functional reinforcing filler has a functional group having a double bond, it has good reactivity for styrene-butadiene rubber and sulfur. Thus, when used as a functional reinforcing filler in the manufacture of rubber, it allows improvement of physical properties through adjustment of the addition amount of sulfur without additional use of the coupling agent. In addition, because of superior hydrolysis reactivity, the problem of alcohol can be solved and a rubber mixture with long scorch time can be prepared. In particular, when the functional reinforcing filler of the present invention is used in the manufacture of tires, improvement in modulus, tensile strength, rotational resistance and wet traction performance can be expected.

Abstract: A coated metal pigment that has excellent passivation, dispersion and adhesion properties, a method for producing the coated metal pigment and a coating composition that includes the coated metal pigment are described.

Abstract: A method of producing a titanium dioxide pigment is provided. Also provided is a method of improving the processability of titanium dioxide particles without adversely affecting the rheological properties of the titanium dioxide particles.

Abstract: A method for preparing suspension of inorganic nanoparticles is described herein. The method includes mixing a dispersing medium (102) with a dispersant (104) and a metal oxide powder (106) to form a primary mixture (110), the dispersant (104) being selected based on interaction energy of the dispersant (104) with respect to the dispersing medium (102) and the metal oxide powder (106). The method further includes grinding the primary mixture (110) to obtain a suspension (116), wherein at least the dispersant (104) is added to the primary mixture (110) during the grinding after predetermined time intervals.

Abstract: The disclosure provides a treated inorganic pigment, typically a titanium dioxide pigment, comprising an inorganic pigment having a surface area of about 30 to about 75 m2/g; wherein the pigment surface is treated with an organic treating agent comprising a polyalkanol alkane or a polyalkanol amine, present in the amount of at least about 1.5%, based on the total weight of the treated pigment; wherein the treated inorganic pigment has a RHI (rat hole index) of about 7 to about 11. The treated inorganic pigments have better flow characteristics, and generally fewer lumps.

Abstract: The disclosure provides a coating composition comprising a treated inorganic pigment, wherein the treated inorganic pigment comprises an inorganic pigment comprising a pigment surface area of about 30 to about 75 m2/g; wherein the pigment surface is treated with an organic treating agent comprising a polyalkanol alkane or a polyalkanol amine, present in the amount of at least about 1.5%, and wherein the treated inorganic pigment has a RHI (rat hole index) of about 7 to about 11.

Abstract: Methods of coating surfaces of a (e.g. drinking water) pipeline and pigments dispersions are described. The coating composition of the method and pigment dispersion comprise one or more alkyl phenyl ester compounds wherein the alkyl group comprises at least 8 carbon atoms.

Abstract: The invention relates to the manufacture of pigment-containing composite pigment particles containing titanium dioxide pigment particles and at least one inorganic and/or organic filler as extender, as well as calcium carbonate that is precipitated in the process, and their use for improving the pigment light-scattering efficiency in coatings, plastics and laminates. The extender is preferably selected from Ca-, Ca—Mg- and Mg-carbonates, natural and synthetic silicon dioxide and oxides and are manufactured in a combined process of precipitation and dispersion. Depending on the combination selected, the use of composite pigment particles according to the invention permits pigment savings with little or no loss of optical properties. Alternatively, if the pigment content remains unchanged, it is possible to achieve better values, e.g. for tinting strength. Particularly, a part or the whole TiO2 quantity in the user system can be replaced by the composite pigment particles according to the invention.

Abstract: Provided are an organic solvent dispersion of titanium oxide containing at least titanium oxide fine particles each having an average primary particle diameter of 3 nm or more to 50 nm or less; a titanate-based surface treatment agent formed of a compound represented by the following general formula (1): (R1O)m—Ti—Xn??(1) where R1 represents a methyl, ethyl, or isopropyl group; X represents —O—SO2—R2 or —O—P(OH)O—O—PHO—O—R2; R2 represents an alkyl or aryl group having 1 to 16 carbon atoms; m represents a numerical value of 1 or more to 3 or less, and n represents a numerical value of 1 or more to 3 or less, provided that m+n=4; a polyether-based dispersant; and an alcohol-based solvent, and an optical material containing the organic solvent dispersion of titanium oxide and a resin.

Abstract: Inorganic nanoparticles having a refractive index of at least 1.60 wherein the nanoparticles are surface modified with a surface treatment comprising a compound comprising a carboxylic acid end group and a C3-C8 ester repeat unit.

Abstract: Paper coating compositions contain specific polyethers which are obtained by reacting a diglycidyl ether with a water soluble polyol containing at least one polyoxyethylene chain acting as deflocculants, water retention agents and gloss enhancers.

Abstract: A surface-modified titania particle manufacturing method is a method for manufacturing surface-modified titania particles having crystal particles of titanium dioxide and a surface modifier that coats a surface of the crystal particles, including: [1] a first step of preparing a starting solution containing a titanalkoxide compound, an alkoxysilane, an alcohol, an acid, and water; and [2] a second step of performing heating treatment on the starting solution. Furthermore, this method preferably further includes, after the second step, [3] a third step of removing a liquid phase component in the starting solution through evaporation, by reducing a pressure around the starting solution.

Abstract: A color metallic pigment according to the present invention contains at least a metallic pigment, an amorphous silicon oxide film layer that is formed on the surface of the metallic pigment, a metal oxide layer that is formed on the surface of the amorphous silicon oxide film layer and contains a metal oxide other than silicon oxide, and metal particles that are formed on the surface of the metal oxide layer, wherein the metal particles are so formed as to directly cover a part of the metal oxide layer.

Abstract: Organic-inorganic composite particles that can be dispersed in a solvent and/or a resin as primary particles having an organic group on the surface of inorganic particles, the organic-inorganic composite particles having negative birefringence.

Abstract: The present invention relates to a pigment/auxiliary combination having an improved chroma and/or relative color strength, to its production and to its use.

Abstract: An organic-inorganic hybrid pigment composition is provided comprising an organic pigment, an inorganic pigment, and a fibrous clay. The fibrous clay can be selected from palygorskite, sepiolite, or a combination thereof. The inorganic pigment is selected from rutile pigments, spinel pigments, bismuth vanadate pigments, cerium sulfide pigments, and combinations thereof. The organic pigment is selected from anthraquinone pigments, anthrathrone pigments, anthrapyrimidine pigments, azo pigments, azomethine pigments, quinacridone pigments, quinophthalone pigments, diketopyrrolopyrrol pigments, inanthrone pigments, isoindoline pigments, metal complex pigments, perinone pigments, perylene pigments, phthalocyanine pigments, pyranthrone pigments, pyrazolo-quinazolone pigments, thioindigo pigments, and combinations thereof.

Abstract: The present invention provides reactive surfactants of the formula R1O—(CH2CHR2O)x—(CH2CH2O)y—(CH2CHR3O)z—R4 where R1 is either alkyl, aryl, alkylaryl, or aralkylaryl of 8-30 carbon atoms, R2 is —CH2OCH2CH?CH2 (AGE); R3 is either H, CH3, or CH2CH3; R4 is H or —SO3M or —PO3M where M is H or K, Na, NH4, NR4, alkanolamine, or other cationic species and x=2-100; y=4-200 and z=0-50.

Abstract: The present invention relates to a composition comprising microfibrillated cellulose, mono-, di- or oligo-saccharides and a pigment in order to achieve a composition with improved rheological properties such as a low viscosity even at high dry content. The present invention further relates to process for the production of said composition. The microfibrillated cellulose is produced by at least partly enzymatic treatment of cellulosic fibers such that even mono-, di- or oligo-saccharide is formed.

Abstract: Various agents for improving adhesion of cold end coatings on glass surfaces are described Also described are agents for improving bonding between cold end coatings and organic inks. And, methods and related detection solutions for detecting the presence of cold end coatings on a substrate such as a glass bottle are disclosed. Additionally, particular additives and primers are described that can be applied onto cold end coatings for improving adhesion thereto.

Abstract: The invention relates to metal oxide particles and/or metal hydroxide particles, aftertreated with an organic phosphorus compound, process for the preparation thereof, and compositions comprising same.

Abstract: The invention provides a treated powder having improved loose bulk density comprising a silanized inorganic powder treated with a long chain fatty acid or salts thereof, wherein the amount of the long chain fatty acid is about 0.25% to about 2 wt %, based on the total weight of the treated powder.

Abstract: TiO2 pigments in the anatase modification with increased light and weather resistance have the advantages of blue tint, low hardness and abrasiveness.

Abstract: A titanium dioxide dispersion liquid in which the transmittance is 80% or more is manufactured by dispersing titanium dioxide fine particles having an average primary particle diameter of 1 nm or more and 30 nm or lower in a solution containing diglyme which is a solvent and trimethoxypropylsilane which is a dispersant. By doping titanium dioxide fine particles with nitrogen atoms, and then dispersing the same by an atomization device using beads having an average particle diameter of 15 ?m or more and 30 ?m or lower, a titanium dioxide dispersion liquid capable of maintaining transparency stability over a long period of time is manufactured.

Abstract: The invetion relates to a titanium dioxide-based photocatalyst containing carbon that is highly photoactive in visible light (vlp-TiO2) and to a method of manufacture. The vlp-TiO2is manufactured by mixing a fine grained titanium compount (BET?50 m2/g) with an organic carbon compound and subsequent thermal treatment at temperatures up to 350° C. The carbon content amounts to 0.05 to 4% by weight, preferably 0.4 to 0.8% by weight. The product is characterized by an ESR spectrum which displays only one significant signal in the g value range from 1.97 to 2.05 at g about 2.003. The inventive photocatalyst can be used for to degrade contaminants and pollutants in liquids and gases.

Abstract: Microstructured films comprising surface modified inorganic oxide particles, surface modified inorganic nanoparticles having a high refractive index, and polymerizable resins are described.

Abstract: A method for producing microcrystalline titanium dioxide in the rutile form having a crystal size below 15 nm by an aqueous method, and a titanium dioxide product doped with silicon obtained by the method. The method generally includes adding a silicon containing compound during crystal formation to provide said titanium dioxide product with a small crystal size.

Abstract: A universal colorant system for both solvent- and water-based paints and coatings is contained in a closed sealed pouch or cartridge-style container, and includes a colorant component, a surfactant package including at least one alkyd-compatible surfactant and at least one latex-compatible surfactant, and a carrier. When the colorant system is added to a base paint it desirably provides a mixture having a drop in viscosity of less than about 50%.