91results about "Thixotropic paints" patented technology

The invention discloses a modified thermal insulation coating and a preparation method and application thereof, and belongs to the field of building energy-saving materials. One modified compound is a thermo-sensitive polyelectrolyte layer-by-layer self-assembled alumina microsphere formed by alternately depositing polyethyleneimine and polyacrylic acid through electrostatic interaction, and the polyelectrolyte layer can dynamically swell or shrink along with the temperature to adjust the heat conductivity coefficient; and the other is magnesium silicate nanofiber coated with silicon dioxide and then grafted with fluorosilane, the hydrophobicity is improved by utilizing the low surface energy of the fluorosilane, and meanwhile, the binding force with a polymer interface is enhanced. The coating further comprises fumed silica, a dispersing agent, a defoaming agent and other auxiliaries. The preparation method comprises the following steps: sequentially adding the components into a high-speed dispersion machine, mixing, adjusting the viscosity, filtering and packaging. The coating has the advantages of intelligent temperature-sensitive adjustment, low heat conductivity, strong adhesion and weather resistance; the material is suitable for long-acting heat preservation in the fields of buildings, industrial equipment and cold chains.

The invention provides a high-rheology lasting type coating and a preparation method of the high-rheology lasting type coating. The coating is prepared from the following raw materials: 6 to 12 parts of fluorosilicone grafted hyperbranched polyurethane core-shell functional microspheres, 2 to 5 parts of graphene-nano silicon dioxide composite rheological regulator, 25 to 35 parts of epoxy acrylate resin, 15 to 25 parts of polysiloxane modified waterborne polyurethane acrylate emulsion, 8 to 15 parts of filler, 0.8 to 1.6 parts of rheological agent, 1.8 to 7.1 parts of functional additive, 10 to 18 parts of solvent and 0.1 to 0.3 part of preservative. The obtained coating has high thixotropy, excellent long-acting durability and multiple protection effects of fire prevention, water prevention, pollution resistance and the like, and meanwhile, the fidelity of a coating mold pressing structure and the construction applicability can be guaranteed.

The invention belongs to the technical field of nano inorganic filler surface modification, and discloses modified nano calcium carbonate which is prepared by the following steps: reacting a nano calcium carbonate raw material with a compound modifier at 70-80 DEG C, and drying, crushing and grading after the reaction is completed, wherein the compound modifier is composed of a component A and a component B in a molar ratio of 1: (1.2-2.0); the component A is selected from p-sulfo calix [n] arene or salt thereof, and n is an integer from 4 to 8; and the component B is selected from epoxy group modified polyisoprene. According to the present invention, the modification formula of mixing the sulfonic acid calixarene compound and the epoxy group modified polyisoprene is used, the molar ratio of the two components is precisely regulated and controlled, and the exposure ratio of the active hydroxyl group in the system is reasonably controlled, such that the modification formula can be used for the modification of the nano calcium carbonate, the modified nano calcium carbonate can effectively improve the impact strength and thixotropy of the base coat and reduce the viscosity of the base coat, and finally, adaptive balance between the thixotropy and the processing fluidity is achieved.

An object of the present invention is to provide an optical laminate suitable for manufacturing a self-luminous display device such as a Mini / Micro LED display device that improves the anti-reflection function and contrast of metal wirings and the like while improving the luminous efficiency. Another object of the present invention is to reduce the number of processes and necessary components in the manufacturing process of the above self-luminous display device. The optical laminate (10) of the present invention has a laminated structure in which a first adhesive layer (1), a second adhesive layer (2), and a substrate (3) are laminated in sequence. The visible light transmittance T1 of the first adhesive layer (1) and the visible light transmittance T2 of the second adhesive layer (2) satisfy T1 < T2. Preferably, the visible light transmittance T1 of the first adhesive layer (1) and the visible light transmittance T3 of the substrate (3) satisfy T1 < T3.

The invention discloses a preparation method of a polyurea polyurethane thickening and thixotropic agent for waterborne coatings, which relates to the technical fields of polymer materials and thickening and thixotropic agents for coatings. The method includes preparing an NCO-terminated prepolymer, carrying out a chain extension reaction on the NCO-terminated prepolymer to obtain a mixture; adding a monofunctional long-chain amine compound to the obtained mixture and reacting to obtain a water-soluble viscous and highly transparent paste; detecting the residual amino group content in the obtained highly transparent paste, and adding a low-reactivity diisocyanate to the reaction kettle according to the amino group content to obtain the polyurea polyurethane thickening and thixotropic agent for waterborne coatings. The polyurea polyurethane thickening and thixotropic agent of the invention has a large molecular weight and many branched-chain molecules, showing better thickening property, and the critical micelle concentration of the thickening agent is low and the dosage is small. It has excellent applicability to the viscosity of waterborne coatings at different temperatures and shear rates.

The present invention relates to an organic solvent-based retroreflective ink, paint, or coating composition having a shear rate of 0.5 rpm, η1, between 0.2 and 8 Pa·s, and a shear rate of 20 rpm, η2, between 80 and 450 mPa·s, with the proviso that the second Brookfield viscosity, η2, is at least two times lower than the first Brookfield viscosity, η1, the composition consisting of 25-75 wt. % organic solvent; 1-85 wt. % spherical glass beads; 0.15-1.2 wt. % thickener; and 0-30 wt. % of one or more additional ingredients, based on the total weight of the composition; the Brookfield viscosities, η1 and η2, being measured using a #2 spindle at a temperature of 25° C. in a 600 ml beaker having a diameter of 8.25 cm.

Provided are: a viscosity modifier for a non-aqueous coating material having an excellent viscosity-imparting effect even when an amide-based viscosity modifier formed from a fatty acid diamide is added to an ultra-high solid coating material or a solvent-free coating material; and a non-aqueous coating material composition containing the viscosity modifier and thus having excellent sagging prevention properties.　The present invention is a viscosity modifier for a non-aqueous coating material, the viscosity modifier comprising a fatty acid diamide obtained through a condensation reaction of a diamine component and a monocarboxylic acid component, wherein the diamine component is 1,4-diaminobutane, and the non-aqueous coating material is a solvent-free coating material or an ultra-high solid coating material.

Provided are a viscosity modifier and a method for producing the same, the viscosity modifier comprising a mixture (M) obtained by melting and mixing compounds including: a diamide compound (A) obtained by condensing a diamine component and a monocarboxylic acid component (A-c); a diamide compound (B) obtained by condensing a diamine component and a monocarboxylic acid component (B-c); and a diamide compound (C) obtained by condensing a diamine component and a monocarboxylic acid component (C-c). The monocarboxylic acid component (A-c) and the monocarboxylic acid component (B-c) have mutually different numbers of carbon atoms, and at least one of the monocarboxylic acid component (A-c), the monocarboxylic acid component (B-c), and the monocarboxylic acid component (C-c) contains a hydrogenated castor oil fatty acid. Also provided are a curable composition and a non-aqueous paint composition in which the viscosity modifier is used.

A coating composition for packaging materials, such as paper, paperboard and plastic, where the composition comprises a thixotropic aqueous mixture comprising at least one smectite clay, a water-soluble polymer, and a cross-linking agent for cross-linking the clay and the polymer; a process for its application, in which the composition is applied to a packaging material and treated to crosslink the clay and the polymer; and methods and uses thereof for improving the barrier properties of packaging materials.

The present invention relates to a composition comprising a liquid carrier that is liquid at a temperature of 23 DEG C, a urea component having a number average molecular weight Mn of between 400 g / mol and 30,000 g / mol dissolved in the liquid carrier, and an ionic compound dissolved in the liquid carrier wherein the ionic compound comprises at least one of CaCl2, MgCl2, SrCl2, guanidine hydrochloride, NaSCN, NaBr.

This invention discloses a high-elasticity three-dimensional adhesive composition for multiple overprinting and its preparation method, belonging to the field of three-dimensional coating materials technology. The composition comprises a polyurethane-polyurea interpenetrating network polymer emulsion, an organosilicon-modified waterborne polyurethane-acrylate hybrid emulsion, a crosslinking agent, functional composite fillers, a thickener, a dispersant, an antifoaming agent, additives, a pH adjuster, and deionized water. This invention constructs a dual crosslinking system of polyurethane-polyurea interpenetrating network and organosilicon hybrid emulsion, and combines it with rutile titanium dioxide, surface-modified nano-calcium carbonate, and nano-silica functional fillers. Combined with a nonionic polyurethane associative thickener to regulate rheological properties, the adhesive possesses high elastic recovery, anti-blocking properties, and strong thixotropic properties. During multiple overprinting, the adhesive can quickly set, without flowing or collapsing, with strong interlayer bonding, clear three-dimensional edges, and a smooth coating surface with excellent water and solvent resistance.

Provided are a viscosity modifier and a method for producing the same, the viscosity modifier comprising a mixture (M) obtained by melting and mixing compounds including: a diamide compound (A) obtained by condensing a diamine component and a monocarboxylic acid component (A-c); a diamide compound (B) obtained by condensing a diamine component and a monocarboxylic acid component (B-c); and a diamide compound (C) obtained by condensing a diamine component and a monocarboxylic acid component (C-c). The monocarboxylic acid component (A-c) and the monocarboxylic acid component (B-c) have mutually different numbers of carbon atoms, and at least one of the monocarboxylic acid component (A-c), the monocarboxylic acid component (B-c), and the monocarboxylic acid component (C-c) contains a hydrogenated castor oil fatty acid. Also provided are a curable composition and a non-aqueous paint composition in which the viscosity modifier is used.

The invention relates to the use of a particular diamide in the manufacture of a composition comprising at least one crosslinkable organic binder. It also relates to a composition comprising at least one crosslinkable organic binder and at least one diamide as defined above, as well as to the uses thereof, in particular in the manufacture of a coating, selected in particular from among paints, varnishes, inks, and gelcoats; a glue or an adhesive; a mastic; a sealing agent; a chemical sealing agent; a moulded object; an object obtained by 3D printing; preferably a coating.

The invention relates to a high-adhesion anti-stripping primer special for a metal substrate and a preparation method thereof, and belongs to the technical field of paints.The primer comprises silane modified phosphoramidate chelating resin, graphite oxide-Schiff base zirconium-siloxane hybrid filler, a hyperbranched polyamide-siloxane bonding accelerant, an isocyanate curing agent, functional auxiliaries and the like. The silane modified phosphoramidate chelating resin is prepared by carrying out a reaction on bisphenol F epoxy resin and diethylenetriamine, and carrying out a reaction on p-toluenesulfonic acid, diethyl phosphite, KH540 and hydroquinone. The graphite oxide-Schiff base zirconium-siloxane hybrid filler is prepared from the following components: GO-SB, ZrO2-siloxane core-shell particles, zirconium n-propoxide and the like. The hyperbranched polyamide-siloxane bonding accelerator is prepared by the following steps: reacting ethylenediamine with methyl acrylate, then reacting with ethylenediamine, and then modifying with KH540 and perfluoroalkyl phosphate. The problems that a traditional primer is weak in interface bonding force, easy to peel off and insufficient in corrosion resistance are solved.

A rheology control agent for water-based resins may include: 1 mass % or more and 30 mass % or less of an active matter (X) containing a diamide compound (A) and / or a hydrogenated castor oil (A′), the diamide compound (A) being obtained by reacting a diamine component (A1) selected from the group consisting of diamines having 2 to 12 carbon atoms with a monocarboxylic acid component (A2) selected from the group consisting of monocarboxylic acids having at least a hydroxyl group; and 5 mass % or more and 99 mass % or less of a first solvent (C) having at least one substituent selected from the group consisting of a hydroxyl group, an ether group, an ester group, an amide group and a ketone group.

The invention provides a water-based self-drying aluminum powder paint which comprises the following components in parts by weight: 20-60 parts of self-crosslinking water-based acrylic emulsion; 5 to 30 parts by weight of a waterborne polyurethane emulsion; 0.5 to 10 parts by weight of a solvent; 0.1-5 parts by weight of an additive; 0.1 to 10 parts by weight of coated aluminum silver paste; and 20 to 40 parts by weight of water. The water-based self-drying aluminum powder paint solves the problem that filler such as aluminum powder settles after being placed, is good in heat storage performance and can adapt to the construction linear speed of a traditional solvent type coating.

This invention provides a viscosity modifier for non-aqueous coatings, and a non-aqueous coating composition containing the viscosity modifier exhibiting excellent anti-sagging properties. This viscosity modifier maintains excellent viscosity-imparting effects even when an amide-based viscosity modifier, including a fatty acid diamide, is added to ultra-high solids coatings or solvent-free coatings. The invention is a viscosity modifier for non-aqueous coatings comprising a fatty acid diamide obtained by condensing a diamine component with a monocarboxylic acid component, wherein the diamine component is 1,4-diaminobutane, and the non-aqueous coating is a solvent-free coating or an ultra-high solids coating.

The application discloses a long-acting salt-fog-resistant two-component epoxy zinc-rich primer and a preparation method thereof, and relates to the technical field of coating.The primer is prepared from component A and component B at a mass ratio of 9-11:1;the component A comprises the following components in parts by weight: 6-12 parts of liquid epoxy resin, 2-7 parts of solid epoxy resin, 0.1-0.4 parts of a dispersing agent, 1-3 parts of a thixotropic agent, 0.1-0.4 parts of a defoaming agent, 0.1-0.4 parts of a leveling agent, 70-80 parts of a rust-proof material, 5-12 parts of an organic mixed solvent and 1-3 parts of a resin diluent; and the component B comprises the following components in parts by weight: 60-70 parts of a curing agent, 30-40 parts of a curing agent diluent and 0.5-3 parts of a silane coupling agent.The polyacrylamide oxide is added to the epoxy zinc-rich primer, the primer has excellent adhesion and salt-fog resistance, and problems, such as large-area failure of a coating protection in the prior art, are effectively solved.

A method of manufacturing a printed circuit board is provided, comprising: 1) imprinting an electrically conductive circuit pattern on a surface of a substrate; 2) applying a surface treatment composition to the surface of the substrate over the electrically conductive circuit pattern; and 3) allowing the surface treatment composition to form a self-assembled coating layer on the surface of the substrate in the form of a conformal coating. The surface treatment composition comprises: (a) a fluorine-containing polymer; (b) a solvent containing at least one C—F bond; and (c) a rheology modifying component. Also provided are electronic components of a circuit assembly and printed circuit boards, comprising a substrate and a self-assembled coating layer applied to at least one surface of the substrate. The coating layer is in the form of a conformal coating and is formed from the surface treatment composition described above.

The present invention relates to a thixotropic aqueous mixture for preventing epidermal burn and / or abrasion damage in agricultural products such as fruits or fruits of the subfamily Poraceae, and to a method of applying the same. The thixotropic aqueous mixture comprises at least one smectite clay and a water-soluble polymer, and the thixotropic aqueous mixture is added to water by high-shear mixing and then applied to agricultural products, such as fruits or fruits of the subfamily Poraceae, via immersion tanks, spray bars, brush beds, or a combination thereof.

[Problem] Provided is a carbon nanotube dispersion having excellent dispersibility. [Solution] A carbon nanotube dispersion includes at least carbon nanotubes, oxidized cellulose nanofibers, and water, wherein, of the oxidized cellulose nanofibers, 85% or more of the oxidized cellulose nanofibers have a fiber length of 50 to 250 nm.

The present invention relates to a method for providing a composition selected from the group consisting of organic solvent-based paste, ink, paint, and coating formulations having retroreflective properties, the method comprising the steps of: a) providing an organic solvent-based paste, ink, paint, or coating formulation without retroreflective properties; b) providing a retroreflective organic solvent-based composition; and c) mixing the organic solvent-based ink, paint, or coating formulation without retroreflective properties provided in step (a) with the retroreflective organic solvent-based composition provided in step (b) in a weight ratio of between 30:70 and 70:30 to provide an organic solvent-based paste, ink, paint, or coating formulation with retroreflective properties.

The invention deals with a composition comprising a cyclic amide comprising at least one amide NH group, a solvent, which is different from the cyclic amide comprising at least one amide NH group and wherein the solvent comprises at least one of an amide group, wherein the amide nitrogen of the amide group has two substituents, wherein the substituents are selected from aliphatic and aromatic groups, a sulfoxide group, and a urea compound, having a number average molecular weight of at least 350 g / mol.

An object of the present invention is to provide an optical laminate suitable for manufacturing a self-luminous display device such as a Mini / Micro LED display device that improves the anti-reflection function and contrast of metal wirings while improving the luminous efficiency. Another object of the present invention is to reduce the number of processes and necessary components in the manufacturing process of the above self-luminous display device. The optical laminate (10) of the present invention has a laminated structure in which a first adhesive layer (1), a second adhesive layer (2), and a substrate (3) are laminated in sequence. The visible light transmittance T1 of the first adhesive layer (1) and the visible light transmittance T2 of the second adhesive layer (2) satisfy T1 < T2. Preferably, the visible light transmittance T1 of the first adhesive layer (1) and the visible light transmittance T3 of the substrate (3) satisfy T1 < T3.

A coating composition for packaging materials such as paper, cardboard, and plastics, wherein the composition comprises a thixotropic aqueous mixture comprising at least one smectite clay, a water-soluble polymer, and a cross-linking agent for cross-linking the clay and the polymer; an application method thereof, wherein the composition is applied to packaging materials and treated to cross-link the clay and the polymer; and methods and uses thereof for improving the barrier properties of the packaging material.

The invention discloses an organic carrier for N-type TOPCon back fine grid slurry and application of the organic carrier, and belongs to the field of solar cell metallization printing. The organic carrier comprises the following components in percentage by mass: 10-30% of resin, 65-85% of a solvent, 1-7% of a lubricant, 1-5% of a thixotropic agent and 1-5% of a dispersing agent, the resin is prepared from the following components: poly (alpha-methyl styrene) resin, ethyl cellulose resin, polyvinyl butyral resin and 3, 5-dimethylpyrazole closed HDI (hexamethylene diisocyanate) tripolymer resin. The composite organic carrier not only has excellent printing adhesive force, but also greatly improves the power generation efficiency of the solar cell.

The invention relates to the technical field of building waterproof materials, and discloses a composition for a non-curing waterproof coating, the non-curing waterproof coating as well as a preparation method and application of the non-curing waterproof coating. The composition contains softening oil, asphalt, a rubber modifier, an antioxidant, a silane coupling agent, a rheological agent, an inorganic filler and a high-temperature additive with a drop melting point not lower than 105 DEG C, the flash point of the softening oil is 250-280 DEG C, and the volatile component is less than or equal to 1wt%; the penetration of the asphalt is 60-100 1 / 10mm, and the volatile component is less than or equal to 0.5 wt%. According to the non-curing waterproof coating, the problems that volatile organic compounds generated in the construction process exceed the standard to damage the health of constructors and pollute the environment are solved, and a series of safety and energy consumption problems caused by high-temperature heating in the hot melting process are solved; and the coating area of the paint is increased, the construction efficiency is improved, and the cost is reduced.

The present invention relates to a composition comprising at least one composition (CL) comprising at least one lactam (L1) and one lactone (L2) as component (A) and a urea compound (CU) as component (B), wherein the composition is obtained or obtainable by a process at least comprising the steps of providing a composition (M1) comprising toluene diisocyanate; adding a composition (M2) comprising at least one monohydroxy compound (CM) of formula (I) to obtain a composition (M3) comprising at least one monoisocyanate adduct, wherein the molar ratio of the at least one monohydroxyl compound of general formula (I) to the toluene diisocyanate is in the range of ＞1.0: 1.0 to ≤ 1.5: 1.0; adding a composition (M4) comprising at least one diamine and composition (CL) comprising at least one lactam (L1) to obtain the urea compound (CU); and adding at least one lactone (L2) to obtain the composition comprising components (A) and (B). The present invention further relates to a process for preparing a composition according to the present invention and the use of said composition in liquid compositions as a thixotropic agent for paint and coating formulations, adhesive, paint lacquer, PVC plastisol, ink and cement formulations.

The present invention relates to a composition comprising a mixture of a first and a second hydrophobically modified alkylene oxide polymer, wherein the first hydrophobically modified alkylene oxide polymer is endcapped with at least one first hydrophobic group functionalized with a secondary amine or a salt thereof, or a tertiary amine or a salt thereof;and wherein the second hydrophobically modified alkylene oxide polymer is endcapped with at least one second hydrophobic group, structure I:where R1, R2, m, and n are as defined herein. The present invention also relates to a method for preparing the composition. The composition of the present invention provides an associative thickener with an excellent balance of as-is viscosity and temperature stability over a wide temperature range.