898results about "Emulsion paints" patented technology

A coating composition for a substrate, which includes: a microcrystalline cellulose composition, at least one silane, at least one acid catalyst, a liquid dispersion phase, and optionally at least one inorganic filler. Also, the use of this composition for the release coating of a substrate such as a paper surface or a metal surface. Finally, an article having at least one surface is coated with the coating composition.

The invention provides an environment-friendly water-based acrylic emulsion adhesive without containing an organic solvent. The environment-friendly water-based acrylic emulsion adhesive is prepared from the following raw materials: 55-60 wt% of eleostearic acid hydroxyethyl acrylate (TMA), 15-25 wt% of butyl acrylate (BA), 3-10 wt% of acrylic acid (AA), 2-5 wt% of a cross-linking agent, 3-8 wt% of modified soil and 0.5-1 wt% of an initiator as a solid phase; the liquid phase is deionized water, and the environment-friendly water-based acrylic emulsion adhesive is prepared through semi-continuous emulsion polymerization. The prepared environment-friendly water-based acrylic emulsion adhesive is high in biodegradability and low in VOC content, has the mechanical property matched with that of a traditional acrylic emulsion adhesive and also has the self-repairing capacity, waste materials can be treated by changing the temperature or pH condition, the environment-friendly water-based acrylic emulsion adhesive can be recycled for multiple times, and the recycling cost is reduced.

The present invention relates to an antifouling coating composition containing a water-dispersed elastomer resin and a hydrophilic silicone oil having an HLB of 6 or more. The present invention also relates to a method for producing the antifouling coating composition, the method comprising mixing a first liquid containing at least a water-dispersed elastomer resin with a second liquid containing at least a hydrophilic silicone oil having an HLB of 6 or more.

To provide a coating composition capable of forming a coating film excellent in blocking resistance and anticorrosion properties.SOLUTION: The coating composition contains: (A-1) at least one pigment having an aspect ratio of 1 or more and less than 5 and selected from barium sulfate, silica, and calcium carbonate; and (A-2) a scaly pigment having an average particle diameter of 2-30 μm and an aspect ratio of 5 or more and less than 30. The mass ratio of (A-1):(A-2) is within the range of 90:10-70:30.SELECTED DRAWING: None

The present invention relates to a process for producing a coating from an aqueous, radiation-curable coating composition, wherein the process comprises the steps in the sequence (1) to (4):(1) applying an aqueous, radiation-curable coating composition on a surface of a substrate,(2) drying the aqueous, radiation-curable coating composition, affording an at least partially dried coating composition,(3) irradiating the at least partially dried coating composition with UV light having a wavelength s 220 nm under inert atmosphere, followed by(4) irradiating with UV light having a wavelength 300 nm or with E-beam,wherein the aqueous, radiation-curable coating composition is a dispersion comprising:(A) at least one water-dispersible polyurethane (A), wherein the polyurethane (A) has a urea group (—NH—CO—NH—) concentration of at least 0.1 milli-equivalents per g of polyurethane (A) and of at most 2.6 milli-equivalents per g of polyurethane (A) and the polyurethane (A) is essentially free of radiation-curable, ethylenically unsaturated bonds,(B) at least one radiation-curable diluent (B) with a molar mass less than 750 g / mol and with an acrylate functionality of from 2 to 5, and(C) water and optionally organic solvent, whereby the optional organic solvent is present in an amount of at most 30 wt. %, based on the total amount of water and organic solvent,whereinthe amount of (A) is from 30 to 85 wt. % and the amount of (B) is from 15 to 70 wt. %,based on the total amount of (A) and (B).

The invention provides a post-added nanocellulose enhancing auxiliary agent for latex paint coating and a preparation method and a use method thereof, and the preparation method comprises the following steps: mixing, stirring and heating butanetetracarboxylic acid, sodium hypophosphite and a nanocellulose solution to obtain an esterified nanocellulose solution; adding a silane coupling agent solution into the esterified nanocellulose solution to obtain a modified nanocellulose solution; dispersing nano silicon dioxide into absolute ethyl alcohol to obtain silicon dioxide dispersion liquid; adding a silane coupling agent solution into the silicon dioxide dispersion liquid, mixing, stirring and heating for reaction to obtain modified silicon dioxide powder; dispersing the modified silicon dioxide powder into absolute ethyl alcohol to obtain modified silicon dioxide dispersion liquid; adding the compound emulsifier solution into the modified silicon dioxide dispersion liquid, and shearing and emulsifying to obtain modified silicon dioxide emulsion; and adding a compatilizer into the modified nano cellulose solution, dropwise adding the modified silicon dioxide emulsion, and finally adjusting the viscosity.

To provide an environmentally friendly fire retardant thermal insulation paint, excellent in adhesiveness of a coating, difficult to fall off, and having relatively high fire retardancy, thermal insulation and crack resistance and a producing method thereof.SOLUTION: A fire-retardant thermal insulation paint is produced from raw materials composed, by weight percentage, of 8 to 15% styrene-acrylic emulsion, 10 to 18% adhesion promoter, 10 to 20% thermal insulation agent, 20 to 30% fire retardant, 2 to 5% wetting dispersant, 3 to 6% viscosity modifier, 4 to 9% other additives, and the remainder water. The producing method is as follows: In step S1, the viscosity modifier and water are mixed to prepare a mixed solution; in step S2, the adhesion promoter and wetting dispersant are mixed with the mixed solution to prepare a dispersion; in step S3, the fire retardant is mixed with the dispersion to prepare a flame-retardant dispersion; and in step S4, the styrene-acrylic emulsion, thermal insulation agent, and other additives are mixed with the fire-retardant dispersion.SELECTED DRAWING: None

To provide an aqueous coating composition capable of forming a coating film with superior transparency, adhesion, and weather resistance while exhibiting superior coating stability.SOLUTION: An aqueous coating composition comprising emulsion particles (A), an ultraviolet absorber (B) having a biphenyl triazine skeleton, and a non-protonic organic solvent (C) having a boiling point of less than 100°C.SELECTED DRAWING: None

A process of preparing a bimodal binder composition comprises providing a core and polymerizing monomers to form a non-film forming polymer on the core. Monomers are polymerized to form a film forming polymer on the non-film forming polymer to substantially encapsulate the non-film forming polymer, thereby forming particles of a first mode of the bimodal binder composition. Particles of a second mode of the bimodal binder composition are also formed by the polymerization of monomers to form the film forming polymer. The process further comprises a step of forming at least one void in the core. The particles of the first mode have an average particle size ranging from 200 nm to 650 nm, and the particles of the second mode have an average particle size less than the average particle size of the particles of the first mode. The particles of the second mode do not contain a void.

Disclosed herein is coating composition comprising graphene nanoparticles derived from a carbon gas and one or more dispersing agents dispersed in an emulsion or a resin. Also disclosed herein are methods for preparing such a coating compositions, and the use of such a coating composition in heat exchange systems.

A one-component waterborne coating composition comprising: a) an aqueous dispersion of polymer particles, which polymer particles comprise an anionic-stabilized copolymer having a Mw of at least 100,000 g / mol and self cross- linking functionality, wherein the copolymer is an acrylic copolymer, an acrylic-vinyl copolymer, or a polyurethane vinyl-acrylic copolymer; and b) an organosilane; wherein: the organosilane is unreactive towards carboxylic acid functionality; and the organosilane is present in an amount of at least 5 wt.% of the total solids of the coating composition; and a coated substrate comprising a substrate and a coating, which coating is obtained by applying said coating composition to the substrate and allowing the coating composition to dry.

The purpose of the present invention is to provide a silicone-release-type polyester film having exceptional lightweight separation properties and layer uniformity, a method for manufacturing the silicone-release-type polyester film, and the like.　A silicone-release-type polyester film having an application layer on at least one surface of a polyester film, the application layer being formed using a release-type coating composition of an aqueous dispersion of alkenyl-group-containing silicone, an aqueous dispersion of silicone having hydrogen atoms directly bonded to Si atoms represented by Si-H groups, and an aqueous dispersion including a platinum-based catalyst, wherein the amount of platinum element in the platinum-based catalyst is greater than 120 ppm and less than 600 ppm relative to the weight of the alkenyl-group-containing silicone, the platinum-based catalyst includes platinum-based catalysts that contain a crosslinking-reaction-suppressing agent and platinum-based catalysts that do not contain a crosslinking-reaction-suppressing agent, and the thickness of the application layer is 5-70 nm inclusive.

To improve the adhesion of the coating film to the resin and the resistance of the coating films to blocking each other. [Solution] The polyurethane aqueous dispersion according to the embodiment comprises a polyurethane resin (A) containing a polyester polyol as a constituent component dispersed in an aqueous dispersion medium, and includes a carbodiimide group-containing compound (B) and a salt (C) of an acid and an alkali metal. The polyurethane resin (A) has carboxyl groups, and the salt (C) is at least one selected from the group consisting of bicarbonates, carbonates, monocarboxylates, dicarboxylates, tricarboxylates, and phosphates, and the salt (C) exists in an ionized state in the aqueous dispersion medium.

To provide an aqueous urethane resin dispersion composition which enables formation of a coating film in low temperature drying at 20-100°C, and enables formation of a coating film having adhesion, hardness and flexibility.SOLUTION: An aqueous polyurethane resin dispersion composition contains a polyurethane resin and an aqueous medium, wherein the polyurethane resin has a structural unit derived from polyester polyol (A) containing polyol (Aa) and a dicarboxylic acid (Ab) as components, a structural unit derived from polyether polyol (G) and a structural unit derived from polyisocyanate (B), an aromatic ring is contained in the polyurethane resin, the content of the aromatic ring is 4-18 mass% in the polyurethane resin, the content of an ether bond is 0.5-10 mass%, and the aqueous polyurethane resin dispersion can contribute to SDGs (Sustainable Development Goals).SELECTED DRAWING: None

The presently claimed invention relates to polyalkyleneimine-based polymers that are useful as dispersants and a process for the preparation thereof. The presently claimed invention is also directed to dispersants that are useful in solvent-based dispersion systems as well as in water-based dispersion systems.

The present invention pertains to an addition reaction-curable silicone emulsion composition characterized by containing at least one urea-based compound (I) selected from among non-polymer organic compounds having at least one urea group in the molecule, an organopolysiloxane (II) having at least two alkenyl groups in one molecule, and water (VI), with respect to 100.0 parts by mass of the organopolysiloxane (II), the amount of the water (VI) being 10 parts by mass of the at least one urea-based compound (I) being 10 parts by mass or more of the at least one urea-based compound (I), and the amount of the water (VI) being 10 parts by mass or more of the at least one urea-based compound (II). The urea compound (I) is contained in an amount of 1.0 parts by mass or more, and the water (VI) is contained in an amount of 100.0 parts by mass or more. As a result, it is possible to provide: a silicone emulsion composition which has good coatability and adhesion to paper or plastic film base materials, regardless of the type of base material, and which is capable of providing a release film formed from a cured coating film of the silicone emulsion composition; on the other hand, a cured film having an appropriate release force and a high residual adhesion rate with respect to an adhesive can be provided.

To provide a method for efficiently producing an aqueous dispersion containing fluoropolymer particles with excellent dispersibility in liquid, without requiring a fluorine-based emulsifier. [Solution] A method for producing a dispersion liquid containing less than 10% by mass of the total mass of polymer particles of a polymer containing units based on the fluoroolefin, with an average particle size of 1 to 150 nm, obtained by polymerizing a gaseous fluoroolefin in a reaction system comprising water, a -SO3X group, a -PO3X group, a -P(OR)O2X or -COOX group (wherein X represents H, K, Na or NH4, and R represents an alkyl group), and a polymerization initiator, and without a fluorine-based emulsifier.

A multistage emulsion polymerization process comprises polymerizing a first monomer composition comprising from 50 to 95 weight percent of vinyl acetate, from 5 to 40 weight percent of at least one vinyl ester of a C5 to C18 unsaturated carboxylic acid, and optionally up to 40 weight percent of ethylene, all based on the total weight of monomers in the first monomer composition, to produce a first stage polymer. A second monomer composition comprising 40 to 89.95 weight percent of at least one ester of methacrylic acid or a vinyl aromatic monomer, 10 to 59.95 weight percent of at least one ester of acrylic acid, and from 0.05 to 10 weight percent of at least one comonomer with acid functionality, based on the total weight of monomers in the second monomer composition, is then polymerized in the presence of the first stage polymer to produce a second stage polymer.

Composite structures and methods of manufacturing the composite structures are provided herein. The composite structures comprise a metal layer comprising an elemental metal and / or a metal alloy, a primer layer bonded to the metal layer, and an additional layer bonded to the primer layer on an opposite side of the primer layer from the metal layer. The primer layer comprises a first vinyl copolymer formed from vinyl monomers having an acid function or derivative thereof and a different second vinyl copolymer formed from the same vinyl monomers as the first vinyl copolymer. In embodiments, the composite structures are battery components. In embodiments, the composite structures are manufactured by forming a dry mixture comprising an active material and a binder, forming a primer layer on a metal layer, and adhering the dry mixture to the metal layer with the primer layer in the absence of a drying step.

The present invention provides an aqueous resin composition that can be suitably used for an aqueous coating solution capable of forming a coating layer that has excellent substrate adhesion, blocking resistance, heat seal blocking resistance, hot melt adhesive properties, and scratch resistance, as well as transparency. [Solution] This aqueous resin composition is used in an aqueous coating solution that produces a coating film with a haze value of 15% or less. The aqueous resin composition contains an emulsion of polyolefin resin (polyolefin resin emulsion) having a melting point of 60 to 97°C and an acid value of 13 to 60 mgKOH / g, as well as a polyethylene wax and / or paraffin wax. Based on the mass of the solids in the aqueous resin composition, the polyolefin resin content is 60 to 95 mass% and the wax content is 4 to 25 mass%, with the mass ratio of polyolefin resin:wax being 1:0.043 to 1:0.300.

The aqueous coating composition is an aqueous polyurethane dispersion comprising (A) the reaction products of components (i) and (ii), wherein (i) an isocyanate component comprising an aliphatic or alicyclic polyisocyanate comprising at least two isocyanate groups, (ii) (ii-a) a polyol comprising a lactone-based polyester polyol, (ii-b) an anionic emulsifier comprising at least one isocyanate-reactive group and an anionic group or a latent anionic group, and (ii-e) an isocyanate-reactive component comprising a monofunctional polyalkylene ether containing one hydroxyl group or an amino group in an amount of less than 0 to 1.0% by solids weight based on the total weight of the isocyanate component and the isocyanate-reactive component; (B) an amphoteric surfactant having an isoelectric point at pH 3 to pH 8, present in an amount of 0.1% to 10.0% by solids weight based on the total solids weight of the aqueous coating composition; and (C) a light absorber, a light stabilizer, or a mixture thereof. A method for preparing a peelable coating, comprising: (I) providing an aqueous coating composition; (II) applying the aqueous coating composition to the surface of a substrate; and (III) drying the applied aqueous coating composition or drying it to form a peelable coating.

To provide an aqueous coating having excellent weather resistance and stain resistance.SOLUTION: An aqueous coating comprises: a synthetic resin emulsion obtained from a monomer group including a cycloalkyl group-containing monomer; and an ultraviolet absorber that contains oxalic anilide or a derivative thereof.SELECTED DRAWING: None

The present disclosure is directed to coating compositions that include about 10 wt. % to about 90 wt. % water, about 5 wt. % to about 80 wt. % of a binder, and about 0.1 wt. % to about 20 wt. % of a colloidal silica functionalized with anionic molecules and / or a colloidal silica functionalized with neutral molecules. The present disclosure also is directed to methods of making coating compositions of the present technology.

Provided is a coating composition which is not susceptible to sagging and is capable of efficiently forming a high-quality coating film protective coating material. Provided is a coating composition for forming a coating film protective coating material, the coating composition containing, as a base polymer, a polymer (A) that is a polymer containing a monomer component of an acrylic monomer, the polymer (A) being in the form of an aqueous emulsion dispersed in an aqueous solvent. The coating composition further contains a polyvinyl alcohol polymer (B) having a degree of saponification of 80 mol% or more and a degree of polymerization of 1200 or less. The content of the polymer (B) is from 0.3 parts by weight to 5.0 parts by weight (inclusive) per 100 parts by weight of the polymer (A). The coating composition has a viscosity of 25 Pa.s or more as measured by a BH-type viscometer under conditions of 30 DEG C and 2 rpm.

A method for producing a laminate having a substrate layer and a resin layer formed on at least one side of the substrate layer, the resin layer containing a poly(3-hydroxybutyrate)-based resin and having a weight per unit area (dry weight) of 15 to 50 g / m 2 On the surface of the substrate layer, an aqueous dispersion (HB-A) containing a poly(3-hydroxybutyrate)-based resin (a1) and a dispersant (a2) containing a water-soluble high molecule is applied to form a coating film (a), and heating is performed to form a coating layer (A) having a weight per unit area (dry weight) of 0.5 to 10 g / m 2 On the surface of the coating layer (A), an aqueous dispersion (HB-B) containing a poly(3-hydroxybutyrate)-based resin (b1) and a dispersant (b2) containing a water-soluble high molecule is applied to form a coating film (b), and heating is performed to form a coating layer (B). The content of the dispersant (b2) containing a water-soluble high molecule is 0 to 0.5 parts by weight per 100 parts by weight of (b1).

Provided is a coating composition which has excellent coating properties and which forms a coating film that has good water vapor resistance and corrosion resistance. A coating composition comprising an aqueous dispersion containing a water-soluble polyamideimide resin (P), a polyethersulfone resin (Q), and a fluorine-containing polymer (R) containing a non-melt-processable fluorine-containing polymer (S) and a melt-processable perfluoropolymer (T) having a melting point of 200-350 DEG C, the mass ratio of the water-soluble polyamideimide resin (P) to the polyethersulfone resin (Q) is 10 / 90 to 40 / 60.

A crystalline polyester resin aqueous dispersion containing a crystalline polyester resin has excellent solvent solubility and therefore needs only a small amount of an organic solvent to form an aqueous dispersion, and is capable of forming a coating film that has excellent processability and retort resistance. The crystalline polyester resin aqueous dispersion contains a crystalline polyester resin satisfying requirements (1) to (3) described below. (1) The crystalline polyester resin has a melting point of 120° C. to 160° C. (2) The crystalline polyester resin has a crystallinity of 60% to 90%, the crystallinity being determined from a heat quantity of fusion (J / g) of an endothermic peak obtained when the crystalline polyester resin is heated from −50° C. to 200° C. at 20° C. / min by differential scanning calorimetry (DSC) after subjected to an aging treatment at 100° C. for 10 minutes. (3) The crystalline polyester resin has an acid value of 180 eq / ton or more.

The present invention relates to an inverted perovskite prepared by providing a surface-modified metal oxide nanoparticle as a coating agent for forming an electron transporting layer (or electron transport layer), and using the surface-modified metal oxide nanoparticle as a coating agent prepared in a dispersion type.

A water-based paint composition includes a manganese oxide-based catalyst, activated carbon, at least one water-soluble resin selected from a group consisting of acrylic resin, modified acrylic resin, and fluorocarbon resin, a polyacrylate-based dispersant, and a water-based solvent. The water-based paint composition, although including the manganese oxide-based catalyst, allows a coating film to be resistant to chalking and weather.