43results about "Thixotropic paints" patented technology

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.

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.

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 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.

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 application discloses a rail transit vehicle roof arc-resistant coating, which comprises 2 parts of A component and 1 part of B component by weight; the A component comprises 10-50 parts of polyol, 10-50 parts of MQ silicone resin, 10-30 parts of flame retardant, 5-10 parts of thixotropic agent, 0.3-2 parts of adhesion promoter and 0.1-1 part of catalyst by mass fraction; the B component is hexamethylene diisocyanate or isofluorane diisocyanate; the functional structure of the MQ silicone resin is (R3SiO 1 / 2 )m(SiO 4 / 2 )n, wherein R is methyl, vinyl, hydrogen or phenyl, and the molecular weight of the MQ silicone resin is 1500-3000, and m / n=0.8. The application further discloses a preparation method of the rail transit vehicle roof arc-resistant coating. The rail transit vehicle roof arc-resistant coating provided by the application realizes the formation of effective thickness on a vertical surface or a top surface by means of blade coating without problems such as sagging, guarantees the insulation and arc-resistant performance of the arc-resistant coating after solidification, and effectively improves the construction performance of the arc-resistant coating on the vertical surface and the top surface.

A thixotropic aqueous mixture for preventing superficial scald and / or scuffing damage on produce, such as fruit or pome fruits, and an application method thereof comprising at least one smectite clay and a water-soluble polymer, wherein the thixotropic aqueous mixture is added with high shear mixing to water then applied to produce, such as fruit or pome fruit, via a dip tank, spray bar, or brush bed or combination thereof.

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 relates to the technical field of anti-corrosion coatings, in particular to a high-solid-content graphene zinc water-based heavy anti-corrosion coating and application thereof.The anti-corrosion coating is prepared from, by weight, 35-40 parts of water-based epoxy resin, 15-20 parts of modified graphene, 7-11 parts of functional auxiliaries, 20-25 parts of deionized water, 3-5 parts of modified additives and 5-8 parts of nano zinc powder. According to an ultra-long-acting anti-corrosion performance synergistic protection mechanism, the unique two-dimensional lamellar structure of the graphene and the nano zinc powder form a dual protection system of physical shielding and electrochemical protection, and the toughness of the coating is enhanced through the synergistic effect of the modified graphene, the calcium sulfate whiskers, the carbon nanotubes and other fillers; the modified graphene prepared by a ball milling process is uniformly dispersed in the resin to form a flexible network structure which can absorb impact energy.

The invention discloses an anti-condensation ocean engineering anticorrosive coating composition and a preparation method thereof. The ocean engineering anticorrosive coating composition is composed of a component A and a component B, the component A is prepared from the following raw materials in parts by mass: 100 parts of bisphenol A type epoxy resin, 5-10 parts of a reactive diluent, 2-4 parts of a corrosion stabilizer, 30-40 parts of a flaky shielding pigment, 8-12 parts of a fine flaky filler, 1-1.5 parts of an adhesion promoter, 1-2 parts of a thixotropic agent and 7.2-10 parts of an anti-condensation agent; the component B is a modified phenolic aldehyde amine curing agent; the anti-condensation agent comprises a porous carrier and mineral oil loaded in the porous carrier, and the anti-condensation agent with intelligent response and slow release characteristics is introduced through synergistic cooperation of a basic resin system and a functional additive, so that continuous condensation corrosion is successfully and effectively prevented and controlled, and the service life of the anti-condensation agent is prolonged. And the anti-condensation performance and the long-term service reliability of the coating composition in a marine environment are remarkably improved.

A coating composition for packaging materials such as paper, corrugated cardboard, and plastic, wherein the composition comprises a thixotropic aqueous mixture containing at least one smectite clay, a water-soluble polymer, and a crosslinking agent for crosslinking the clay and the polymer, and is applied to a packaging material and treated to crosslink the clay and the polymer; and a method for improving the barrier properties of a packaging material and its use.

The application relates to the technical field of building waterproof materials, and discloses a composition for non-cured waterproof paint, non-cured waterproof paint and a preparation method and application thereof. The composition contains softening oil, asphalt, rubber modifier, antioxidant, silane coupling agent, rheological agent, inorganic filler and high-temperature auxiliary agent with a dropping point not lower than 105 DEG C; the softening oil has a flash point of 250-280 DEG C and a volatile content of less than or equal to 1 wt%; the asphalt has a penetration of 60-100 1 / 10 mm and a volatile content of less than or equal to 0.5 wt%. The non-cured waterproof paint not only solves the problems of excessive volatile organic compounds generated in the construction process, which damages the health of construction personnel and pollutes the environment, and a series of safety and energy consumption problems caused by high-temperature heating in the hot melting process, but also improves the coating area of the paint, improves the construction efficiency and reduces the cost.

The present application relates to the technical field of vehicle coating, and discloses a water-based two-component polyurethane finish and application thereof. The water-based two-component polyurethane finish is prepared by compounding a hydroxyl-containing water-based dispersion and a water-based polycarbonate aliphatic anion polyurethane dispersion with a high glass transition temperature as a film-forming resin, and selectively adding a water-based aliphatic anion polyurethane dispersion with a low glass transition temperature. Through specific proportioning and synergistic effect of each component, the characteristics of different types of water-based resins are brought to the best state, so that the water-based two-component polyurethane finish has excellent leveling property, thixotropy, elasticity and interlayer adhesion, does not fly ash, has excellent mechanical properties and weather resistance, can be applied in a large area under high temperature, low temperature or high humidity environment, is well matched with a non-sanded intermediate coating, and the finish after coating does not need to be coated with a varnish, has excellent appearance gloss and vividness, and has high practical value and popularization value.

To provide a slurry for electrodes suitable for manufacturing electrodes such as lithium-ion batteries.SOLUTION: A coating liquid for electrode layer formation is a carbon nanotube dispersion coating liquid containing at least carbon nanotube, oxidized cellulose nanofiber, active material, binder, and water. The oxidized cellulose nanofiber is characterized in that, in the infrared spectrum, the peak height ratio (C=O / C-O) between the height of the peak derived from C-O (near 1062 cm-1) and the height of the peak derived from C=O (near 1610 cm-1) is 0.70 or less, or the peak height ratio (C=O / O-H) between the height of the peak derived from O-H (near 3340 cm-1) and the height of the peak derived from C=O (near 1610 cm-1) is 1.35 or less.SELECTED DRAWING: None

An aqueous composition for coating a nonwoven fibrofelt comprises an aqueous hydrophobic binder, a hydrophobically modified cellulose, an inorganic filler, a dispersant, and water. The aqueous hydrophobic binder is a copolymer of i) monomeric units selected from vinyl versatate, isomers of vinyl versatate, or mixtures thereof; and ii) at least one monomeric unit selected from (meth) acrylic acid or (meth) acrylate. Also described herein are coated non-woven fiber mats, methods for making coated non-woven fiber mats, and building panels comprising the coated non-woven fiber mats.

Embodiments described herein relate to passively impact-resistant porous assemblies, electrochemical cells incorporating these assemblies, and methods for their manufacture. The assembly includes a porous substrate having a surface and defining pores therein, and a plurality of shear thickening particles. A first portion of the plurality of shear thickening particles is disposed on or over the surface, and a second portion is disposed at least partially in the pores. The second portion includes less than 10% of the total mass of the first and second portions of the shear thickening particles. Upon impact, the plurality of shear thickening particles can form agglomerates while suspended in a liquid or semi-liquid composition, causing to increase in viscosity of the liquid composition, thereby enhancing durability and impact resistance.

This invention discloses an anti-sagging waterproof coating and its preparation method. The waterproof coating is made by mixing component A and component B in a weight ratio of 100:10~15. Component A includes, by weight percentage: 40~50% first asphalt, 15~25% second asphalt, 3~6% plasticizer, 1~3% short fiber, 8~16% resin emulsion, 5~10% rubber emulsion, 0.5~1.5% thixotropic agent, 0.3~0.5% first compatibilizer, 4~6% second compatibilizer, and 8~18% first filler. Component B includes, by weight percentage: 10~30% first accelerator, 5~10% second accelerator, and 60~80% second filler. The first accelerator is at least one of powdered sodium hexafluorosilicate and silicon phosphate, and the second accelerator is kaolin. The product of this invention has good workability on sloping surfaces, does not sag or drip, and has good adhesion to self-adhesive asphalt rolls during composite construction, without falling off or slipping.

The present application relates to a kind of water-based finish and its preparation method, the water-based finish includes A component and B component, the A component includes the following mass percentage content of raw material component: water, 20~40wt%, wetting dispersion aid, 0.5~5wt%, antifoaming agent, 0.5~1.5wt%, attapulgite, 5~15wt%, bentonite, 3~5wt%, film forming aid, 3~12wt%, hydroxy acrylate emulsion, 30~55wt%, toner, 5~10wt%, acid, 0.1~2wt%;The B component is curing agent component.The water-based finish prepared by the present application has no traditional ammonia type irritating smell, has long operation period after compounding, can be quickly cured into film at room temperature, surface is dense, and good dirt resistance effect is good.

The invention provides a retror effective ink, coating or paint composition consisting, based on the total weight of the composition, of: • 15 - 75 wt.% of solvent; 1 - 85 wt.% of spherical glass beads having a median particle diameter D50, as measured with laser diffraction, between 1 and 150 μm, and a refractive index, measured at a wavelength λ of 589 nm, between 1.5 and 2.8, wherein optionally at least part of the spherical glass beads are hemi spherically coated with a light-reflective coating; 0.05-2.5 wt.% of one or more thickeners; and 0.20-4.5 wt.% of synthetic pigment flakes having an average diameter between 1 and 75 pm, a thickness smaller than 1 pm and an aspect ratio (flake diameter / thickness) of at least 10; 0-2 wt.% of one or more pigment flakes or particles (D) other than synthetic pigment flakes (A), (B) and (C); • 0-30 wt.% of one or more further ingredients, wherein the combined amount of the synthetic pigment flakes (A), (B) and (C) and the one or more pigments flakes or particles (D) is between 0.20 and 4.5 wt.%.

The invention discloses a water-based heavy anti-corrosion coating for on-rust coating. The coating comprises an ionic water-based modified acrylic emulsion, an anti-rust pigment, a filler, an anti-flash-rust agent, a salt spray resistant additive, a corrosion inhibitor, a nano conductive polymer, a penetrant, a thixotropic agent and the like. According to the coating, water is adopted as a solvent, and no organic solvent is adopted; the rust-proof pigment, the filler, the flash-rust inhibitor and the salt-spray-resistant assistant interact with each other and can act on the surface of steel and residual rust on the surface of the steel to generate a stable chelate passivation layer and a complex, so that a good insoluble protective film is formed, and rust coating is realized; the penetrant can make the coating permeate into a rust layer and the surface of steel, redundant rust is changed into filler in the coating, formation of a chelate passivation layer and a complex is promoted, and coating with rust is achieved. The water-based heavy anti-corrosion coating for coating with rust has the advantages of being safe, environmentally friendly, capable of coating with rust and the like, and safe, long-acting and convenient-to-construct anti-corrosion protection can be provided for steel products.