Abstract: A pearlescent pigment includes a ceramic flake coated with a metal oxide. The metal oxide is, preferably, an oxide of titanium, iron, tin, chromium1, zirconium or a combination thereof, and the refractive index of the metal oxide coating is preferably at least 0.5 higher than that of the ceramic flake. The pearlescent pigment may be included in a coating applied to a metallic or plastic surface to give the surface a lustrous or pearlescent optical effect.

Abstract: A composition for treating cellulosic materials is provided. The composition comprises a dispersion of micronized additives. The dispersion comprises additive particles with diameters in the range of 0.001 to 25 microns. Also provided is a method for the application of the additive-containing composition to wood, as well as wood products which have been treated with the composition.

Abstract: Under the presence of at least one out of copper, manganese, nickel, cobalt, iron, zinc, and compounds thereof, a tetravalent titanium salt solution and a basic solution are reacted together to form a hydroxide of titanium and the above metal, and then the titanium hydroxide is peroxidated with an oxidizing agent to manufacture an aqueous liquid or dispersion having therein titanium oxide fine particles having peroxy groups; by using this alone to form a coating film adjacent to a coating film of an organic dye or pigment, or using this to form a coating film together with an organic dye or pigment, a drop in decorativeness of color due to fading or discoloration of a coating material, a printed article, a building material, a fiber, an organic polymer resin product or the like can be prevented, and moreover surface anti-soiling and hydrophilic properties can be realized.

Abstract: A silica containing composition is disclosed. The composition comprises a compound having the following formula: (SiO2)x(OH)yMzSaF: wherein M is at least one of the following metal or metalloid cations: boron, magnesium, aluminum, calcium, titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, zirconium, molybdenum, palladium, silver, cadmium, tin, platinum, gold, and bismuth; wherein S is a sulfur-based species selected from at least one of the following: sulfide salts, dithiocarbamates, polymer-based dithiocarbamates, and polysulfide salts; wherein F optionally exists and said F is at least one of the following: a functionalized organosilane, a sulfur-containing organosilane, an amine-containing organosilane, and an alkyl-containing organosilane at a surface area coverage of 0.01-100%; and wherein the molar ratio of y/x is equal to 0.01-0.5, the molar ratio of x/z is equal to 3-300, and the molar ratio of a/z is 1-5.

Abstract: Multilayer pearlescent pigments with a silver interference color, based on platelet-shaped transparent substrates with an optically active coating, where the optically active coating includes at least a) a high-index layer A having a refractive index n?1.8 b) a low-index layer B having a refractive index n<1.8 c) a high-index layer C having a refractive index n?1.8 and also d) optionally an outer protective layer D. The multilayer pearlescent pigments have the indices D10, D50, D90 from the cumulative frequency distribution of the volume-averaged size distribution function, with a span ?D of 0.7-1.4, the span ?D being calculated in accordance with the formula ?D=(D90?D10)/D50. The invention further relates to a method for producing these multilayer pearlescent pigments, and also to their use.

Abstract: A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd number of at least three, all adjacent layers differing in refractive index by at least about 0.2 and at least one of the layers having an optical thickness which is different from all of the other layers. The resulting multilayer effect pigment is not a quarter-wave stack. The present effect pigments may be used in cosmetic and industrial applications.

Abstract: Methods for treating lignocellulosic material or pigment with a reductive bleaching solution generally include washing the lignocellulosic material or pigment with a reducing agent of magnesium dithionite. The method includes at least one reductive stage and at least one peroxide stage. Also disclosed are methods for preparing dithionite solution wherein magnesium bisulfite is reduced with borohydride solution to obtain dithionite. Bleached lignocellulosic material or pigment obtained with the treatment methods are also disclosed.

Abstract: A gold color metallic pigment with coating of manganese oxide nanoparticles and a method to produce the gold color pigment are described. The disclosed coated pigment includes a platelet shaped substrate, a passivation layer applied to the substrate with surface anchoring groups and a manganese oxide nanoparticles layer. The coated pigment further includes an encapsulation layer or a surface property modification layer. The disclosed method provides pigments that exhibit brilliant gold color and a highly desirable appearance of real gold without the environmental issues causing by heavy metals.

Abstract: A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd number of at least three, all adjacent layers differing in refractive index by at least about 0.2 and at least one of the layers having an optical thickness which is different from all of the other layers. The resulting multilayer effect pigment is not a quarter-wave stack. The present effect pigments may be used in cosmetic and industrial applications.

Abstract: A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd number of at least three, all adjacent layers differing in refractive index by at least about 0.2 and at least one of the layers having an optical thickness which is different from all of the other layers. The resulting multilayer effect pigment is not a quarter-wave stack. The present multilayer effect pigment may be used in cosmetics or personal care products.

Abstract: Liquid compositions are disclosed that include a photocatalytic material and a hydrophilic binder that includes an essentially completely hydrolyzed organosilicate. Also disclosed are methods of making such compositions, methods of coating a substrate with a hydrophilic composition, and substrates coated with such compositions. The compositions may, for example, be embodied as stable one-pack compositions.

Abstract: A coating material comprising a binding agent and at least one filler including particles having a size and/or surface roughness of about 100 ?m or less, and a photocatalytically active agent. The binding agent may be at least partially decomposed by a photocatalytic action, and a microstructured, self-cleaning surface may be formed.

Abstract: A method of preparing a pigment exhibiting a color-shifting effect, including at least heating mica powder suspension in water, adjusting the pH value of the mixture to between 2 and 9, adding a first inorganic salt solution, maintaining the pH value of the mixture constant, stirring the mixture at constant temperature, adjusting the pH value of the mixture to between 6 and 14, adding a second inorganic salt solution, maintaining the pH value of the mixture constant, stirring the mixture at constant temperature, adjusting the pH value of the mixture to between 2 and 9, adding a third inorganic salt solution, maintaining the pH value of the mixture constant, and stirring the mixture at constant temperature.

Abstract: What is disclosed is a plurality of prepaints which are used in any combination to produce base paints and/or colored paints of varying end-use application characteristics. Additionally, a mobile paint factory for producing a plurality of lines of architectural coatings from a plurality of prepaints en route to and/or at various locations is disclosed. The mobile paint factory may include a vehicle having a paint production system and a paint mixer located thereon. Furthermore, a method of producing a plurality of lines of user-selected architectural coatings from a plurality of prepaints en route to and/or at various locations is disclosed. The method may include: providing a mobile paint factory; prompting a user to select through the paint production system an interior or exterior application environment, a paint sheen, and a paint quality; automatically dispensing predetermined amounts of appropriate prepaints; and agitating the dispensed prepaints.

Abstract: Multiphasic colorant nano-components (MPCs) having at least two phases and at least one colorant are provided. In certain aspects, the at least two phases are optically or visually distinct from one another. The MPCs can be used in various methods in various applications, such as visual, optical, and/or electronic displays, including in paints, inks, coatings, plastics, textiles, electronic display devices, pixels, or electronic paper. The MPCs are formed by methods of electrified jetting of polymers.

Abstract: A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd number of at least three, all adjacent layers differing in refractive index by at least about 0.2 and at least one of the layers having an optical thickness which is different from all of the other layers. The resulting multilayer effect pigment is not a quarter-wave stack. The present effect pigments may be used in cosmetic and industrial applications.

Abstract: What is disclosed is a plurality of prepaints which are used in any combination to produce base paints and/or colored paints of varying end-use application characteristics. Additionally, a mobile-paint factory for producing a plurality of lines of architectural coatings from a plurality of prepaints en route to and/or at various locations is disclosed. The mobile paint factory may include a vehicle having a paint production system and a paint mixer located thereon. Furthermore, a method of producing a plurality of lines of user-selected architectural coatings from a plurality of prepaints en route to and/or at various locations is disclosed. The method may include: providing a mobile paint factory; prompting a user to select through the paint production system an interior or exterior application environment, a paint sheen, and a paint quality; automatically dispensing predetermined amounts of appropriate prepaints; and agitating the dispensed prepaints.

Abstract: A simple and easily useable system for reverting an uncured colored concrete material back to a gray color, by merely determining the original pigment and loading initially used to color the concrete material. The system utilizes a collection of pigment mixtures that can be selected and combined as needed to revert virtually any colored concrete back to a gray color, thus eliminating or reducing the expulsion of non-gray or colored concrete and/or dirty rinse water. Additionally, the volume of rinse water needed to clean out gray concrete is significantly less than that needed to clean out colored concrete.

Abstract: Silicon titanium mixed oxide powder having the following features: BET surface area of 5 to 300 m2/g, silica content, based on the total amount of the mixed oxide powder, of ?0.1 to <0.5% by weight, titanium dioxide content, based on the total amount of the mixed oxide powder, of ?99.0% by weight, sum of the proportions of silica and titanium dioxide, based on the total amount of the mixed oxide powder, ?99.5% by weight, titanium dioxide content of the primary particles comprising intergrown rutile and anatase phases, silica content of the primary particles amorphous, is prepared by allowing the vapours of one or more, in each case oxidizable and/or hydrolyzable titanium and silicon compounds to react in a high temperature zone with oxygen and/or steam, cooling the reaction mixture after the reaction and separating off the pulverulent solid from gaseous substances.

Abstract: A method of predicting photostability of coatings with various dopants on titanium dioxide pigment particles is disclosed. Calculations of the density of states show that a doped coating which reduces the density of states near the band edge or increases the density of states within the band gap of the pigment particles increases the photostability of the doped pigment.

Abstract: The invention relates to a pigment mixture consisting of at least two constituents, constituent A being uncoated, monocoated or multicoated glass lamellae, and constituent B being nacreous pigments based on phyllosilicates, SiO2 lamellae, Fe2O3 lamellae or Al2O3 lamellae. The invention also relates to the use of said pigment mixture, inter alia, in paints, dyes, especially printing inks, plastics, powder paints, pastes and cosmetic formulations.

Abstract: The present invention relates to a security pigment having an intrinsic hidden and/or forensic security feature, consisting of a transparent inorganic matrix and at least one particulate material embedded in the matrix, to the use of a security pigment of this type for the pigmentation of paints, coatings and the like, and to a method for the detection of a security pigment of this type.

Abstract: Embodiments of the present invention provide polymer matrix nanocomposites reinforced with nano-scale materials such as nanoparticles and carbon nanotubes and methods of fabricating. The nanomaterials are provided within relatively low weight fractions, for example in the range of approximately 0.01 to about 0.4% by weight and distributed within the matrix by a magnetic mixing procedure to provide substantially uniform reinforcement of the nanocomposites. Advantageously, these nanocomposites provide significantly enhanced tensile strength, strain to failure, and fracture toughness over corresponding neat matrices.

Abstract: A polymer additive for improving the reheat characteristics of a polymer or polymeric composition comprises an inorganic material which is such that a 2.5 mm thick polyethylene terephthalate plaque incorporating the inorganic material has, when tested, an absorption ratio of less than 0.9, wherein the absorption ratio is either the ratio of A1/A2 or the ratio A1/A3, wherein: A1 is the maximum absorption between 400 nm and 550 nm; A2 is the maximum absorption between 700 to 1100 nm; A3 is the maximum absorption between 700 to 1600 nm. Preferred inorganic materials are titanium nitride, indium tin oxide and lanthanum hexaboride.

Abstract: There is provided colloidal silica particles comprising at least one polyvalent metal element M selected from a group consisting of iron, aluminum, zinc, zirconium, titanium, tin, and lead in an average content of 0.001 to 0.02 in terms of an M/Si molar ratio, and having an average primary particle diameter of 5 to 40 nm, wherein the content of the polyvalent metal element M present in an outermost layer of the colloidal particles is 0 to 0.003 atom per square nanometer (nm2) of a surface area of the colloidal particles; and a silica sol that the colloidal silica particles are dispersed in an organic solvent, a silica sol that the colloidal silica particles are dispersed in a polymerizable compound, and a silica sol that the colloidal silica particles are dispersed in a dicarboxylic anhydride.

Abstract: A pigment aqueous-medium dispersion and coating material which have no particle feeling and exhibit a highly excellent silky feeling, the pigment aqueous-medium dispersion is a dispersion of a photoluminescent pigment in an aqueous medium, characterized in that the photoluminescent pigment is flaky titanic acid obtained by treating layered titanate with acid and then reacting an organic basic compound with the treated layered titanate to delaminate, and the flaky titanic acid has an average longer diameter of 5 to 30 ?m and an average thickness of 0.5 to 300 nm.

Abstract: The invention relates to a rutile titanium dioxide pigment for use in decorative laminating papers that yields higher opacity of the papers compared to the prior art, as well as a method for its manufacture. The pigment displays a surface coating that contains aluminum phosphate, aluminum oxide, silicon oxide and titanium oxide. The silicon oxide is precipitated in fluffy form. The coated particles display a BET value of at least 15 m2/g. The manufacturing method is characterized in that an aluminum and a phosphorus component are first added to a TiO2 suspension. Thereafter, an alkaline silicon component, an acid-reacting titanium component and, optionally, a further pH-regulating component are added, the pH value being set in the range from 4 to 9 in this context.

Abstract: The present invention relates to pigment granules and to a process for the preparation thereof and their use.

Abstract: Disclosed are pigment mixtures containing at least two components, where component A contains bismuth oxychloride (BiOCl) or boron nitride (BN) and component B contains synthetic flakes treated with at least one metal soap or mineral flakes treated with at least one metal soap and to the use thereof especially in cosmetic formulations.

Abstract: The invention covers a fine-particle, brilliant and strongly hiding rutile-based pigment that is devoid of any metal or reactive metal compounds relevant to mill abrasion detectable by application technology but whose particle-size in terms of particle diameters ranges from 50 to 1000 nm, for mono-, bi-, tri- or oligo-modal size distribution and a primary maximum ranges from 230 to 400 nm, wherein optionally for a bi- or poly-modal frequency distribution, a secondary maximum is less than 25% of the primary maximum between 400 and 1000 nm. The process for producing said pigment comprises treating an inorganic mixed-phase rutile structured oxide pigment by high-speed grinding in suspension in a ball grinding mill provided with a mechanically and chemically resistant coating until said particle-size and a substantially isometric rounded particle shape are attained. The invention optionally provides for viscosity adjustment and surface conditioning of the pigment.

Abstract: The present disclosure relates to a process for making a decorative base paper for a paper laminate comprising impregnating a base paper with a pigment mixture of titanium dioxide and water wherein the titanium dioxide pigment is made by treating a mixture of titanium dioxide pigment and water with a source of phosphorus and a source of aluminum; drying the treated mixture to form a treated pigment, the treated pigment having surface hydroxyl groups; and removing a major proportion of the surface hydroxyl groups of the treated pigment. Preferably the surface hydroxyl groups are removed by thermal treatment, for example at temperatures ranging from 300° C. to 800° C. The source of phosphorus is typically phosphoric acid and the source of aluminum is typically sodium aluminate. The pigment can be characterized by an isoelectric point which is greater than pH 6 and a negative zeta potential of at least 20 mV at a pH of 7.5 or more and wherein the pigment has improved light fastness.

Abstract: A thermoplastic resin composition which comprises (A) 40 to 98 mass % thermoplastic resin and (B) 60 to 2 mass % titanium oxide particles whose surface has been coated with a hydrous oxide and/or oxide of at least one metal selected from the group consisting of aluminum, silicon, zirconium, tin, cerium, titanium, and zinc, wherein the titanium oxide particles contain 80 to 97 mass %, excluding 97 mass %, titanium oxide ingredient and have total content of alkali metal cations and alkaline earth metal cations extractable with pure water of 120 mass ppm or lower. The resin composition is excellent in reflectance and thermal stability in residence during molding into large products.

Abstract: Pigment compositions and methods are provided comprising coupling agents. In various embodiments, a pigment is provided comprising titanium dioxide and a coupling agent having the formula: (R?O)(q-n)M(XRm)n wherein M is Ti, Zr, Sn, or Al; X is —CO2, ?PO2, —PO2(OH), ?PO2PO2(OH), or —SO3; m is 1 or 2; n is 1, 2, or 3 and q is 4 when M is Ti, Zr or Sn, or n is 1 or 2 and q is 3 when M is Al; R? is a substituted or unsubstituted alkyl, alkynyl, alkydiyl, alkyleno, alkanyl, alkenyl, alkoxy, aryl, arylalkyl, arylaryl, aryldiyl, or aryleno; and R is a substituted or unsubstituted alkyl, alkynyl, alkydiyl, alkyleno, alkanyl, alkenyl, alkoxy, aryl, arylalkyl, arylaryl, aryldiyl, or aryleno, wherein R comprises a carbon chain of 2 to 30 carbon atoms. The pigment compositions have improved lacing resistance, dispersibility, stability or combinations thereof.

Abstract: The present disclosure relates to a process for making treated inorganic particles by vapor phase deposition of surface treatments on the particle surface by reacting inorganic particles, typically titanium dioxide particles, with a composition comprising a sinterable material and a liquid medium at a temperature sufficient to evaporate the medium and release the sinterable material as aerosol particles. The aerosol particles sinter and form a treatment on the surfaces of the inorganic particles.

Abstract: A bright pigment 100 includes: a flaky substrate 10; a first layer 20 that is formed on the flaky substrate 10 and that contains one selected from the group consisting of titanium dioxide, silver and a silver alloy as its main component; and a second layer 30 that is formed so that the first layer 20 is interposed between the flaky substrate 10 and the second layer 30 and that contains the hydroxide or hydrated oxide of neodymium.

Abstract: Corrosion-inhibiting pigments based on manganese are described that contain a trivalent or tetravalent manganese/valence stabilizer complex. An inorganic or organic material is used to stabilize the trivalent or tetravalent manganese ion to form a compound that is sparingly soluble, exhibits low solubility, or is insoluble in water, depending upon the intended usage. Specific stabilizers are chosen to control the release rate of trivalent or tetravalent manganese during exposure to water and to tailor the compatibility of the powder when used as a pigment in a chosen binder system. Stabilizers may also modify the processing and handling characteristics of the formed powders. Manganese/valence stabilizer combinations are chosen based on the well-founded principles of manganese coordination chemistry. Many manganese-valence stabilizer combinations are presented that can equal the performance of conventional hexavalent chromium or tetravalent lead systems.

Abstract: An improved pigment spacing composition and method of manufacture. A coating composition wherein the pigment particles are spaced more uniformly resulting in improved coating properties. In another embodiment, the present invention relates to a composition having nanoparticles interacting with pigmentary titanium dioxide to provide for more uniform spacing of the titanium dioxide.

Abstract: The present invention relates to pigments comprising (A) a platelet-shaped substrate (S), (B) a coating comprising two different metal oxides having a difference in refractive index of at least 0.1, wherein the metal oxide having a higher refractive indexis the metal oxide MOH and the metal oxide having a lower refractive index is the metal oxide MOL, wherein the amount of MOH and the amount of MOL changes (continuously), (C) a coating comprising metal oxides MOH and MOL, wherein the amount of MOH and the amount of MOL changes (continuously), and (D) optionally an outer protecting layer; a process for their production and their use in paints, ink-jet printing, for dyeing textiles, for pigmenting coatings (paints), printing inks, plastics, cosmetics, glazes for ceramics and glass. The pigments can show enhanced colour chroma while maintaining the lightness of coventional interference pigments, or vice versa.

Abstract: An aqueous dispersion that can be used in the coating of glass, ceramics and metal surfaces is prepared by placing, in water, an aggregated titanium dioxide powder having a specific surface area of from 20 to 150 m2/g in such an amount that the desired dispersion contains at least 20 wt. % titanium dioxide, and at least one amino alcohol having from 1 to 6 carbon atoms, and at least one carboxylic acid selected from dibasic carboxylic acids and/or hydroxycarboxylic acids having from 2 to 6 carbon atoms. A pre-dispersion is produced by introducing energy in an amount of less than 200 kJ/m3. Then a dispersion is produced in which the aggregated titanium dioxide powder has a mean, volume-related aggregate diameter of less than 150 nm by grinding the pre-dispersion with a high-energy mill at a pressure of at least 500 bar.

Abstract: The present invention relates to pigments, comprising a plate-like substrate of perlite, and (a) a dielectric material, especially a metal oxide, having a high index of refraction; and/or (a) a metal layer, especially a thin semi-transparent metal layer; a process for their production and their use in paints, ink-jet printing, for dyeing textiles, for pigmenting coatings (paints), printing inks, plastics, cosmetics, glazes for ceramics and glass.

Abstract: The subject matter of the invention is a method for the removal of alkaline or acidic compounds from a solvent-containing metal oxide dispersion, having the following steps: a. conversion of the solvent into gas phase; b. condensation of the solvent; c. bringing the condensed solvent into contact with a neutralizing agent; d. Return of the condensed solvent into the metal oxide dispersion.

Abstract: The present invention provides products comprising rutile-type titanium dioxide of a specific shape, i.e., cosmetics which have high UV blocking ability, provide a good feel upon use without leaving squeakiness or graininess on the skin, and also give a natural bare skin appearance without causing white masking, due to adequate tinting strength and covering power, as well as external additives for toner which are excellent in prevention of filming on a photosensitive member and inhibition of aggregation between toner particles.

Abstract: The present invention relates to a filler composition comprising a) a filler, b) a cationic inorganic compound, c) a cationic organic compound, and d) an anionic polysaccharide, wherein the filler is present in an amount of at least about 1% by weight, based on the total weight of the composition, the anionic polysaccharide is present in an amount of about 1 to about 100 kg/ton, based on the weight of filler, and wherein the composition is substantially free from fibers.

Abstract: In various embodiments, a pigment composition is provided comprising a base particle and a dispersing agent, the dispersing agent comprising a salt and/or ester of: (i) an amine, alcohol, and/or alkanol amine and (ii) a polyprotic acid, wherein the mole ratio of the amine, alcohol, and/or alkanol amine to the polyprotic acid is greater than 3:1. In various embodiments, the pigments have improved stability, hiding power, tint strength, and/or gloss.

Abstract: The present invention relates to pigment granules which contain inorganic filter aids and a process for the production thereof and their use for colouring lime- and/or cement-bound building materials, asphalt, paints, finishes, paper or plastics.

Abstract: An improved pigment spacing composition and method of manufacture. A coating composition wherein the pigment particles are spaced more uniformly resulting in improved coating properties. In another embodiment, the present invention relates to a composition having nanoparticles interacting with pigmentary titanium dioxide to provide for more uniform spacing of the titanium dioxide.

Abstract: A bonding material for a honeycomb structure comprises inorganic particles in which D90/D10 is from 10 to 500, D10 is 100 ?m or less and D90 is 4 ?m or more, and the D10 and D90 are the values of 10% diameter and 90% diameter from a smaller particle diameter side, respectively, in volume-based integrated fractions of a particle diameter distribution measurement by a laser diffraction/scattering method.

Abstract: Coatings including pigments comprising substrate particles with ultrafine metal oxide particles deposited on the surfaces thereof and made by a plasma process are disclosed. The substrate particles may comprise an oxide such as SiO2, Al2O3, Bi2O3 and the like. The ultrafine metal oxide particles may be partially oxidized such as Cu2O, Ti3O4 and the like. The pigments may be used in coating compositions in which the substrate particles substantially match the refractive index of the coating composition base, and the ultrafine metal oxide particles provide the desired reflectance characteristics for the coating.

Abstract: There is provided a coating material for a honeycomb structure, the coating material including inorganic particles or organic particles having D90/D10 of 5 to 50 with D10 of 50 ?m or less and D90 of 4 ?m or more (wherein D10 and D90 are values of 10% diameter and 90% diameter, respectively, in volume-based integrated fraction of a particle diameter distribution measured by a laser diffraction/scattering method from the smaller particle diameter side).

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%.