3338results about "Coatings with pigments" patented technology

Compositions for use in ink jet printing onto a substrate comprising a water based dispersion including metallic nanoparticles and appropriate stabilizers. Also disclosed are methods for the production of said compositions and methods for their use in ink jet printing onto suitable substrates.

The invention concerns a pigment, filler or mineral containing a natural calcium carbonate, treated with one of more providers of H3O<+> ions and gaseous CO2, allowing a reduction in the weight of paper for a constant surface area without loss of physical properties when it is used as a pigment or coating filler for the said paper. In particular, the invention concerns a pigment, filler or mineral containing a natural calcium carbonate or dolomite or mixtures of talc and calcium carbonate, of kaolin and carbonate or carbonate alone or in combination with natural and / or synthetic fibers or similar, treated with one or more medium-strong or strong providers of H3O<+> ions in the presence of gaseous CO2. Applications are particularly in the paper industry, obtaining in particular good sheet properties i.e. a reduction its weight for a given surface area.

The present invention related to the use of a surface-reacted natural calcium carbonate as filler in tissue paper products, to a process to prepare tissue paper products, and to a tissue paper product featuring an improved softness, wherein said surface-reacted natural calcium carbonate is the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and / or supplied externally.

Compositions and methods are provided for the sizing of paper, to enhance the quality of images printed thereon. The novel sizing compositions contain as a sizing agent a mixture of a polyacid and a polybase. When applied to a paper substrate, such as in an internal or external sizing process, the sizing compositions result in a sized paper substrate that provides high quality printed images when printed with an ink containing a reactive dye having ionizable and / or nucleophilic groups capable of reacting with the sizing agent. Images printed on a paper substrate coated with the sizing compositions of the invention are bleed-resistant, water-resistant (e.g., water-fast), and / or are characterized by an enhanced chroma and hue.

A semi-crystalline film comprised of a lactide polymer. The lactide polymer comprises a plurality of poly(lactide) polymer chains, residual lactide in concentration of less than about 5 percent and water in concentration of less than about 2000 parts-per-million. A process for manufacturing a semi-crystalline film with the lactide polymer composition is also disclosed.

The invention provides a super-hydrophobic nanometer transparent coating and a preparation method thereof and belongs to the technical field of super-hydrophobic paint. The method includes the steps that firstly, a first category of inorganic nanometer particles are added into an organic solution, and ultrasonic dispersion is performed; secondly, dispersing agents and a second category of inorganic nanometer particles are added, and ultrasonic dispersion is performed so that a dispersion solution can be obtained; crosslinking agents and additives are added in the dispersion solution, ultrasonic dispersion is performed, finally, low-surface energy polymers are added, mixtures are evenly mixed, and transparent and clear super-hydrophobic paint is obtained; the surface of a solid base materials is coated with the transparent and clear super-hydrophobic paint, and the super-hydrophobic nanometer transparent coating is obtained through low-temperature thermal drying and curing. The super-hydrophobic performance of the super-hydrophobic nanometer transparent coating prepared through the method is excellent, the contact angle can be 160 degrees, the rolling angle is 1-7 degrees, the super-hydrophobic nanometer transparent coating can be sprayed to the surfaces of most of common materials, the morphology of the surfaces of the materials are not changed, and the application prospects and the application potency are very wide.

An inkjet receiving medium including a substrate and having a topmost layer coated thereon at solid content of from 0.1 to 25 g / m2, wherein the topmost layer comprises from 30-70 wt % of one or more aqueous soluble salts of multivalent metal cations and at least 0.05 g / m2 of a cross-linked hydrophilic polymer binder. Improved optical density, reduced mottle and improved wet abrasion resistance are provided when the receiver is printed with an aqueous pigment-based ink. In further embodiments, the topmost layer may further comprise a latex dispersion for improved image durability.

A stable, aqueous dispersion, which includes:silicon dioxide mixed-oxide particles dispersed in at least one water-soluble cationic polymer having a mass average molar mass of less than 100,000 g / mol, said mixed-oxide including aluminum oxide or titanium dioxide,wherein said particles are produced by flame hydrolysis,wherein said particles have a BET specific surface area of 5 to 600 m2 / g and a negative zeta potential,and wherein the dispersion has a positive zeta potential.

A coating composition having outstanding electrically conductive and electromagnetic radiation absorptive properties is disclosed with a water emulsion polymer binder. The binder is a blend of a first emulsion containing a conjugated diene as monomer or comonomer, and a second emulsion containing an acrylic, aliphatic or aromatic polyurethane, polyester urethane, polyester, epoxy, polyamide, polyimide, vinyl, fluoropolymer, or silicone polymer. An effective amount of electrically conductive and electromagnetic radiation absorptive particles is dispersed in the binder. The particles include a combination of graphite particles, carbon nanotubes and metal containing particles. An effective amount of water is also present.

The present invention relates to a humidity-regulating, odor-removing, antibacterial and mould-proof wallpaper, which can effectively regulate the air humidity, absorb the polluting gases in the air and inhibit the reproduction of bacteria and mould. The wallpaper is produced by the drying, cooling and embossing of a basal paper and pasty material coated on the basal paper. According to weight percentages, the pasty material is made from 20 percent to 60 percent of PVC, 25 percent to 50 percent of filling, 5 percent to 15 percent of titanium pigment, 3 percent to 5 percent of the mixture of nano-ZnO and nano-TiO2, 1.5 percent to 3.5 percent of mould inhibitor, 1.5 percent to 3.5 percent of plasticiser, 0.5 percent to 2.5 percent of viscosity depressant, 1.5 percent to 2.5 percent of stabilizer and 0.5 percent to 1.0 percent of bisphenol A. Firstly, the PVC is made into paste and then uniformly mixed with the bisphenol A and the plasticiser; secondly, after being uniformly mixed with the filling, the paste is uniformly mixed with the titanium pigment, the nano-ZnO, the nano-TiO2 and the mould inhibitor and then the stabilizer; and finally, the viscosity depressant is added to regulate the viscosity of the paste in order to obtain the pasty material, which is then coated on the basal paper. The wallpaper has the advantages of no toxicity, no offensive odor, environment-friendliness, long service life, waterproofness and no deformation.

A release liner for use with face stocks for pressure sensitive labels, tapes, decals and other products formed from sheet and roll stock. A filled polymer is laminated to one side of a paper web. An extrudate is laminated to the other side of the paper substrate to form a release liner. The filled polymer has paper-like properties and replaces paper tissue back liners.

The present disclosure relates to a coating composition for use in producing a coating on paper and other substrates comprising an aqueous suspension of a particulate pigment together with a binder, wherein the particulate pigment comprises a mixture of: a first pigment component comprising particulate ground calcium carbonate (GCC) having a particle size distribution (psd) steepness factor ranging from about 30 to about 45; and a second pigment component comprising particulate precipitated calcium carbonate (PCC) having a psd steepness factor ranging from about 55 to about 75. The particulate pigment may optionally further include a particulate kaolin clay.

The invention discloses a battery and capacitor diaphragm filter material formed by wet nonwoven fabrics and a preparation method of the filter material. The fiber materials are as follows in percentage by weight: 0.1%-2.5% of plant fibers and 80%-99.9% of synthetic fibers, inorganic powder being 45%-1000% of the weight of the fiber, organic powder being 0-50% of the weight of the fibers, and strengthening binder being 0.5%-15% of the weight of the fibers. The preparation method of the filter material comprises the following steps of: pulping the plant fiber and the synthetic fibers, respectively; homogenizing and mixing the inorganic powder with the organic powder under high pressure, and forming the mixture into a single layer or a plurality of layers by a mixer; coating, thermally rolling and modifying the mixture, so that various physical and chemical indexes of the diagram are improved, the pore diameter size can be effectively controlled and the uniformity of the pore diameter is improved; moreover, treelike crystals can be prevented from being generated by maze type bent holes; the filtering precision and the efficiency are high; the inner resistance of the diagram is high; the liquid retaining rate and the high temperature resistance of the diagram are improved; the over-temperature closed-cell protection is improved; the dimension deformation is small; the service life is long; and the economic benefits and the social benefits are better.

The present invention provides for high thermal conductivity paper that comprises a host matrix (10), and high thermal conductivity materials (12) added to a surface of the host matrix in a specific pattern (12). The high thermal conductivity materials are comprised of one or more of nanofillers, diamond like coatings directly on the host matrix, and diamond like coatings on the nanofillers. In particular embodiments the specific pattern comprises one or more of a grid, edging, banding centering and combinations thereof and the high thermal conductivity materials cover 15-55% of the surface of the host matrix. Multiple surfaces, including sub layers my have patterning.

Disclosed are a coating composition, coated article, and a method for treating one or more sides of the printable web with the composition, for providing improved printing ink dry time and gloss. The coating composition comprises: a calcium carbonate pigment component comprising a mixture high and low surface area calcium carbonate pigment; a metal salt drying agent; and a cationic dye fixing agent; a pigment binder; optionally a plastic pigment; and optionally an optical brightener; and which provides: a solids content of at least about 25%; a ratio of high to low surface area calcium carbonate in the range of from about 0.5:1 to about 20:1; and a ratio of calcium carbonate pigment component to pigment binder in the range of from about 4:1 to about 50:1.

A computer input device, such as a mouse, is disclosed that includes one or more sensor systems for detecting translational displacement and angular displacement of the input device relative to a support surface. The input device transmits a signal to a computing device in response to detecting the translational displacement and angular displacement, and the computing device moves an image on a display screen in a linear manner in response to the signal. The sensor system within the input device may be an optical sensor system, for example.

The present invention provides a coating composition, a method of coating a substrate, and a coated substrate (e.g., a coated cement fiberboard article). In preferred embodiments the coating composition includes one or more latex polymers and an aliphatic epoxy resin system. The coating composition can include one or more coating compositions that may be applied in one or more layers. A coated article comprising a cement fiberboard substrate and a coating system applied to the substrate is also provided. The article includes a first coating system applied to the substrate, wherein the first coating system includes an aliphatic epoxy resin system having an aqueous dispersion of polymer particles, optionally a silicate additive, and optionally one or more olefinic compounds and initiator for same. The first coating system preferably includes one or more coating compositions that may be applied in one or more layers. In a preferred embodiment, the first coating system is applied to all the surfaces of the substrate (e.g., the front side, back side and edges of a board). The coated substrate may then be coated with other optional coatings, e.g., decorative or protective topcoats.

The invention belongs to the field of super-amphiphobic materials, and discloses a stable and transparent super-hydrophobic or super-amphiphobic coating as well as a preparation method and the application thereof. The preparation method for the coating comprises the steps as follows: blending nanoparticles, epoxy resin with a solvent to obtain the epoxy resin hybridization solution; dissolving fluorine-containing substances and a catalyst into a solvent to obtain the fluorine-containing solution; spraying the epoxy resin hybridization solution on the surface of a substrate, drying the substrate for 0.5-5 h at the temperature of 80-130 DEG C, spraying the fluorine-containing solution on the surface of the substrate, drying the substrate for 0.5-5 h at the temperature of 80-130 DEG C after the solvent is volatilized, and finally washing the surface of the substrate by using the solvent, so as to obtain the stable and transparent super-hydrophobic or super-amphiphobic coating. The super-hydrophobic or super-amphiphobic coating can be applied to hydrophobic and oleophobic modification of surfaces of the vast majority of substrates.

Described is a coating composition adapted to enhance the adhesion of a coating or film to a substrate. The coating composition includes at least one coupling agent, partial hydrolysates thereof or mixtures thereof in a concentration greater than 25 weight percent based on the weight of the total composition; and an adhesion enhancing amount of an epoxy-containing material having at least two epoxy groups. The coating composition is free of colloidal particles chosen from silica, alumina or a mixture thereof. Also described is a process for using the coating composition and articles coated with the composition and additional coatings and films which can be photochromic.

The invention discloses a composite material which comprises inorganic nonmetallic mineral as a carrier, and a nanometer titanium dioxide layer loaded on the carrier; the layer comprises a plurality of titanium dioxide nanospheres, and the titanium dioxide nanospheres are composed of a plurality of titanium dioxide nanometer single particles. The invention also discloses a composite material with one or more than one functional layer loaded on the nanometer titanium dioxide layer. The composite material can not only bring into play the advantages of high refractive index and high covering power of the nanometer titanium dioxide layer, but also bring into play the good photocatalytic activity of the small nanometer single particles, which widens the application fields of the composite material, improves the comprehensive performance of the final product, and facilitates easier coating of other functional layers to prepare composite material with reinforced functions or multiple functions. The invention also discloses a preparation method of the composite material, which is simple in process and low in cost. The composite material of the invention has wide applications, can be used as an additive for various industrial fields, and has good compatibility.

Described is a coating composition adapted to enhance the adhesion of a polymeric coating or film applied to a substrate. The coating composition is interposed between the substrate and the polymeric coating and comprises (a) at least one coupling agent, partial hydrolysates thereof or mixtures thereof in a concentration greater than 25 weight percent, based on the weight of the total composition, and (b) an adhesion enhancing amount of an epoxy-containing material having at least two epoxy groups. The coating composition is substantially free of photochromic materials and colloidal particles chosen from silica, alumina or mixtures thereof. Also described is a process for using the coating composition and articles coated with the composition and additional coatings and films which can be photochromic.

When spherical calcium carbonate is produced by blowing a carbon dioxide gas or a carbon dioxide-containing gas into an aqueous suspension containing calcium hydroxide to react them, after start of the reaction, an aqueous solution or suspension of a water-soluble phosphoric acid compound or a water-soluble salt thereof is added to the reaction mixture when carbonation ratio reaches 2 to 10%, and the reaction is further allowed to continue at a low gas blowing rate of 1.0 NL / minute or lower (step (a)). Subsequently, an aqueous suspension containing calcium hydroxide and an aqueous solution or suspension of a water-soluble phosphoric acid compound or a water-soluble salt thereof are added to the reaction mixture, and a carbon dioxide gas or a carbon dioxide-containing gas is introduced to allow to react and thereby produce spherical calcium carbonate having a mean particle diameter of 10 μm or larger. This production method is performed under high velocity revolution from the start of the reaction to the end of the step (a) This method provides calcite type spherical calcium carbonate showing high brightness and small friction coefficient, and having a shape comparatively close to a true sphere and a mean particle diameter of 10 μm or larger.

Disclosed is an absorbent composition comprising each of an acidic and a basic material, wherein the absorbent composition exhibits desirable absorbent properties. Specifically, the present invention relates to an absorbent composition comprising either an acidic water-swellable, water-insoluble polymer having a pKa between about 2 to about 12 or a basic water-swellable, water-insoluble polymer having a pKb between about 2 to about 12 and either a basic or an acidic second material. The absorbent composition has the ability to slowly absorb a large quantity of liquid, particularly while under an external pressure. The absorbent composition is useful in disposable absorbent products, such as those disposable absorbent products that are used to absorb bodily liquids.

The invention relates to an environment-friendly moldable waterborne transfer coating, a preparation method and an application thereof, wherein, the waterborne transfer coating takes the following components with the contents (parts by weight) as raw materials: 40 to 70 parts of waterborne resin; 10 to 20 parts of cosolvent; 18 to 40 parts of deionized water; 0.1 to 2 parts of pH value regulator; 0.1 to 0.5 part of wetting agent; 0.1 to 0.2 part of leveling agent; and 0.05 to 0.2 part of defoamer. Compared with the prior art, the environment-friendly moldable waterborne transfer coating has the following advantages of environmental protection and cost advantages, good printing adaptability, relatively wide range of suitable molding temperature during the molding, good molding effect and easy production control; furthermore, the environment-friendly moldable waterborne transfer coating can be directly used for replacing the existing solvent laser transfer coating by the pilot scale production confirmation.

An aqueous dispersion containing a cerium oxide-doped, pyrogenically produced silicon dioxide, wherein the cerium oxide is introduced through an aerosol of a cerium salt solution or suspension and the average particle size in the dispersion is less than 100 nm. The dispersion is produced by dispersing the cerium oxide-doped, pyrogenically produced silicon dioxide in aqueous solution by means of a high energy input. The aqueous dispersion can be used for chemical-mechanical polishing.

An ink film construction including: (a) a first printing substrate selected from the group consisting of an uncoated fibrous printing substrate, a commodity coated fibrous printing substrate, and a plastic printing substrate; and (b) an ink dot set contained within a square geometric projection projecting on the first printing substrate, the ink dot set containing at least 10 distinct ink dots, fixedly adhered to a surface of the first printing substrate, all the ink dots within the square geometric projection being counted as individual members of the set, each of the ink dots containing at least one colorant dispersed in an organic polymeric resin, each of the dots having an average thickness of less than 2,000 nm, and a diameter of 5 to 300 micrometers; each ink dot of the ink dots having a generally convex shape in which a deviation from convexity, (DCdot), is defined by: DCdot=1−AA / CSA, AA being a calculated projected area of the dot, the area disposed generally parallel to the first fibrous printing substrate; and CSA being a surface area of a convex shape that minimally bounds a contour of the projected area; wherein a mean deviation from convexity (DCdotmean) of the ink dot set is at most 0.05.

Disclosed herein is a printing medium provided on a base material with a porous ink-receiving layer which comprises, as principal components, an alumina hydrate having a boehmite structure and a binder, wherein when measuring with an ink containing 0.1% by weight of a surfactant, the time required to absorb 30 ng of an ink is 400 milliseconds or shorter, the dye-adsorbing capacity falls within a range of from 900 to 2,000 mg / m2, and the index of dye-adsorbing rate falls within a range of from 0.0 to 5.0.

A waterborne pigmented paper or paperboard coating composition containing as pigment 50% to 100%, by weight based on pigment weight, calcium carbonate and from 1% to 25%, as dry weight based on pigment weight, of an aqueous polymeric dispersion including (a) 95-25% by weight, based on the weight of the solids of the aqueous polymeric dispersion, of a first emulsion polymer having an average particle diameter of 150 to 3000 nanometers and (b) 5-75% by weight, based on the weight of the solids of the aqueous polymeric dispersion, of a second emulsion polymer having an average particle diameter of 40 to 600 nanometers wherein the ratio of the average particle diameter of the first emulsion polymer to the average particle diameter of the second emulsion polymer is from 1.2 to 60, wherein at least the first emulsion polymer particles, when dry, contain at least one void, and wherein the first emulsion polymer is prepared in the presence of the second emulsion polymer or the second emulsion polymer is prepared in the presence of the first emulsion polymer is provided, as is a method for improving the sheet gloss of paper or paperboard coated with the coating composition.

This invention provides a gloss-coated electrophotographic paper with superior runnability and print quality in colour and monochrome copiers and printers. The coated paper product comprises a paper substrate coated on at least one side with a pigmented coating. The pigment coating consists of a mixture of at least three different pigments and a binder. The coating may further include a lubricant. Optionally, the coating formulation may contain an optical brightening agent, a defoamer and a thickener. In addition, the gloss coated electrophotographic paper of this invention provides a superior toner adhesion in colour and monochrome electrophotographic imaging applications.