516results about "Emulsion paints" patented technology

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 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.

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.

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.

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.

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.

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.

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.

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.

A coating composition comprising: (a) a first polymeric coating binder, wherein the first polymeric coating binder comprises: (i) an aqueous polymer latex of a film forming carboxylated polymer; and (ii) a branched polyetheramine polyol dissolved in the aqueous phase of the polymer latex, wherein essentially all of the amino groups in the branched polyetheramine polyol are tertiary amine groups; and (b) a second polymeric coating binder, wherein the second polymeric coating binder comprises an acrylic binder; wherein the dry weight ratio of (a) to (b) is in the range of 70:30 to 20:80.

Disclosed is a shear stable latex comprising functionalized fluoropolymer, a particle size modifier and a surfactant; said latex having solids content of at least 15 wt %, where the ratio of particle size modifier to surfactant is equal to or greater than 2 on a molar to molar basis.

Ultraviolet (UV) absorbing inks and films for surfaces such as glass and / or plastic are provided that include patterns visible to avian eyes, but invisible to a human at least ten feet away. Such invention is aimed at reducing the number of window strikes that result in bird deaths. A formulation may include a binder, a carrier. A formulation may include a base configured to dissolve and solubilize the binder such that it can be applied to the carrier. A formulation may include at least one of an ultraviolet (UV) / visible (VIS) absorbing (UAC) component and a UV / VIS reflective (URC) component.

The present disclosure relates to a photoinitiating composition suitable for UV-LED light irradiation comprising: a) a photoinitiating system suitable for LED light irradiation having a wavelength in the range of 340-420 nm; b) a dispersing medium; wherein the dispersing medium comprises an organic solvent which is miscible with water, wherein the photoinitiating system comprises an α-aminoketone and a photosensitizer having absorption in the wavelength range of 340-420 nm, wherein the photosensitizer comprises thioxanthone or derivatives thereof, and wherein the thioxanthone derivatives are substituted thioxanthone, optionally with alkyl, alkoxy, halogen, carboxyl, ester group, amide group or any combination thereof.

We provide a water-based resin. [Solution] The aqueous resin is an ammonium salt formed by reacting an aromatic acid with an alkaline compound neutralization ring-opening intermediate compound. The alkaline compound neutralization ring-opening intermediate compound is formed by neutralizing the ring-opening intermediate compound with an alkaline compound, and the ring-opening intermediate compound is formed by carrying out a ring-opening reaction of a copolymer containing maleic anhydride using a tertiary amino alcohol. The chemical structures of the copolymer containing maleic anhydride, the tertiary amino alcohol, and the aromatic acid are as follows (wherein the formulas, the symbols are as defined in the specification). TIFF2026092659000036.tif25129

A film-forming thermoset coating composition includes: (a) an aqueous medium; and Option 1 and / or Option 2 as follows: Option 1: (b1) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core; and (c1) (i) formaldehyde; (ii) polyformaldehyde; and / or (iii) a compound that generates formaldehyde; Option 2: (b2) polyurethane-acrylate core-shell particles including a polymeric acrylic core at least partially encapsulated by a polymeric shell including urethane linkages, where the polymeric shell includes an acid functional group and two or more N-methylolated hydrazide functional groups, where the polymeric shell is covalently bonded to at least a portion of the polymeric core.

The present invention aims to provide a base paper for release paper that can be easily disintegrated and easily recycled, even when using conventional polyolefin resins such as ethylene. [Solution] The present invention provides a base paper 1 for release paper, wherein a sealing layer 3 and another sealing layer 3 are sequentially laminated on at least one surface 2b of a base paper 2, and the sealing layer 3 is formed from a sealing layer forming composition mainly composed of an aqueous acrylic emulsion. Furthermore, in the release paper of the present invention, a release layer 4 is laminated on the surface 3b of the base paper 1 for release paper, opposite to the surface 3a of the sealing layer 3 on which the base paper 2 is provided.

We provide coating systems. [Solution] A coating system, a composite article formed from the coating system, and a method for forming the composite article are provided herein. In an embodiment, the coating system comprises an aqueous primer composition containing an acrylic latex resin and a two-part aqueous clear coat composition. The two-part aqueous clear coat composition comprises a clear coat binder part and a clear coat crosslinking agent part. The clear coat binder part comprises a water-dilutable hydroxyl-functional (meth)acrylate copolymer. The clear coat crosslinking agent part comprises a polyisocyanate compound having a pendant-NCO group. A cured film of the aqueous clear coat composition having a thickness of 67.5 μm placed on a substrate and a cured film of the aqueous primer composition having a thickness of 20 μm exhibits a popping density of less than approximately 3 pops per square centimeter, as measured by visual observation with the naked eye at a distance of 30 cm under a fluorescent light source.

The present invention provides an antifoaming agent composition capable of forming a coating film with excellent painted appearance, possessing excellent shear resistance, and not impeding topcoatability; a water-based paint composition containing this antifoaming agent composition; and an article coated with a coating agent containing this antifoaming agent composition. [Solution] The defoaming agent composition for water-based paints comprises a nonionic surfactant (A) having at least one hydrophilic portion selected from the group consisting of an ethylene glycol portion, a polyethylene glycol portion, and a polyhydric alcohol portion in its molecule, and having an HLB of 1 to 16; a polymer (B) that does not have the hydrophilic portion in its molecule, has an SP value of 7.5 to 12, and a weight-average molecular weight of 400 to 1,000,000; and organic solid fine particles (C) that are in a solid state in the defoaming agent composition at 25°C.

Embodiments of the present disclosure also relate to methods of fabricating flow cell substrates. Some exemplary workflows exploit orthogonal chemistries of substrate layers such that the process does not include polishing steps. Substrates prepared by the method described herein can include a first primer set and a second primer set compatible with simultaneous paired-end sequencing methods.

An aqueous coating composition comprising: (A) an emulsion polymer comprising: (i) 0.48 wt % to 1.5 wt % structural units of an ethylenically unsaturated phosphorus-containing monomer; (ii) 0.7 wt % to 3 wt % structural units of diacetone (meth)acrylamide; (iii) 10 wt % to 80 wt % structural units of a vinyl aromatic monomer; (iv) structural units of an alkyl (meth)acrylate; and (v) zero to 5 wt % structural units of an α,β-ethylenically unsaturated carboxylic acid, its salt, or a mixture thereof; and (B) a specific concentration of a specific dicarboxylic acid. and (C) 30% to 60% by weight of a thio-, amido-, or imido-derivative of triphosphonic acid, its salt, or a mixture thereof, (D) a water-soluble alkali metal silicate, the water-soluble alkali metal silicate being present in an amount to provide a dry weight ratio of (D) to (C) of 1.2 to 3.7, and (E) 40% to 52% by weight of tannic acid, gallic acid, pyrogallol, or citric acid, their salts, or combinations thereof, wherein the weight percentages are based on the emulsion polymer weight. A method for preparing a coating comprising a basecoat made from the aqueous coating composition.

Provided is a release coating agent for a polyester base material, which has excellent adhesion to the polyester base material and has heat peeling resistance. A release coating agent for a polyester substrate according to an embodiment includes an aqueous dispersion in which a polyurethane resin is dispersed in an aqueous dispersion medium. The aqueous dispersion contains a (meth) acrylic polymer that contains, as constituent components, a monofunctional alkyl (meth) acrylate having an alkyl group having 4-22 carbon atoms and a poly (meth) acrylate having 2-6 functional groups.

To provide a film-forming aid that can sufficiently lower the lowest film-forming temperature of an aqueous emulsion composition even with a small amount of addition of the film-forming aid.SOLUTION: A film-forming aid comprises a compound represented by formula (1): R1-O-(CH2-CH(R3)-O)n-R2, where R1 and R2 each denote a C1-8 linear or branched alkyl group, where at least one of R1 and R2 is a C3-8 branched alkyl group, with the total number of carbon atoms of R1 and R2 being 6 or more, R3 is hydrogen, a methyl group or an ethyl group, and n denotes an average added mol number of -(CH2-CH(R3)-O)-, which is a number from 2 to 4.SELECTED DRAWING: Figure 1