3125results about How to "Improve stain resistance" patented technology

To provide an antireflection film which is easily and inexpensively producible and which has an antireflection property, a scratch resistance and a stain resistance in a sufficient level, and a polarizing plate and a liquid crystal display device utilizing the antireflection film of such excellent ability, the antireflection film includs a transparent support and a low-refractive index layer having a lower refractive index than the transparent support, wherein the low-refractive index layer is an outermost layer, and the low-refractive index layer contains a hollow silica particle and a compound that reduces a surface free energy of the outermost layer.

The invention discloses a corrosion-resistant magnesium aluminum alloy chromium-free passivation solution, which comprises the following components: 10-40 parts of water-base resin, 1-10 parts of nanoparticle sol, 1-10 parts of fluoric-containing acid, 1-5 parts of fluoric acid-containing salt, 1-5 parts of a rare earth catalyst, 1-10 parts of a silane coupling agent, 1-5 parts of a corrosion inhibitor, 1-2 parts of a complexing agent and 40-70% of water. The corrosion-resistant magnesium aluminum alloy chromium-free passivation solution does not contain chromium and other toxic and harmful substances, meets the ROHS environmental protection law of the European Union, and meanwhile, can form an organic and inorganic composite passivation film and a thin film on the surface of a magnesium aluminum layer, and the formed composite passivation film has an excellent physical property and corrosion resistance, and has higher corrosion resistance and long salt fog time, so that the corrosion resistance of a magnesium aluminum alloy plate is better improved.

A method to produce a pale and / or plain coloured wear resistant surface layer by using a dry powder layer comprising a mix of refined fibres binder, pigment and wear resistant particles.

A robot cleaner includes a main body, a traveling unit installed in the main body, to move the main body, an ultrasonic sensor to emit an oscillation wave, to receive a reflection wave reflected from an object surface, and to output vibration generated by the oscillation wave and vibration generated by the reception of the reflection wave as an electrical signal, a waveform analyzer to calculate a generation time period of the electrical signal output from the ultrasonic sensor, and a controller to determine information about the object surface based on the calculated generation time period of the electrical signal, and to control movement of the traveling unit based on the information about the object surface.

This invention relates to an ink jet ink composition comprising an aqueous medium and microgel particles, said particles comprising a crosslinked copolymer prepared from a monomer mixture comprising at least a crosslinking monomer, a polymerizable carboxylic acid monomer, and one or more polymerizable water insoluble vinyl type monomers. The ink composition may be a colorless ink or it may contain a colorant.

The invention discloses a preparation method and application of modified polyurethane aqueous dispersions of polyisocyanate curing agents. The preparation method comprises the following steps of: carrying out prepolymerization reaction by using polyester polyol, vulcabond monomer and a polyisocyanate curing agent; reacting with a hydrophilic chain-extending agent and a micro-molecule chain-extending agent to obtain polyurethane prepolymer containing hydrophilic groups (carboxyl or sulfonic groups) and isocyanate(NCO)-terminated groups; neutralizing the polymer into salt, and then dispersing the salt into water; and preparing the modified polyurethane aqueous dispersions of the polyisocyanate curing agents by the chain extending of a polyamine chain-extending agent. The modified polyurethane aqueous dispersions of the polyisocyanate curing agents have self-crosslinking function at room temperature, and the self-crosslinking density is over 85%. Compared with non-modified polyurethane aqueous dispersions prepared under the same condition, the modified polyurethane aqueous dispersions have superior film forming property, water resistance, alcohol resistance, pollution resistance, cold resistance, dry / wet rubbing resistance and chemical solvent resistance; and coating films have especially high drying speed, high hardness increment speed and high final hardness.

The invention relates to a high-sealing polyacrylic ester dispersoid and a preparation method thereof; a multi-element emulsifier system which consists of an anionic emulsifier and a compound non-ionic emulsifier is adopted for controlling the charging process and components of the emulsifier in different polymerization periods, and the room-temperature self-crosslinking high-sealing polyacrylic ester dispersoid is prepared by a semi-continuous seeding emulsion polymerization process. The dispersoid has small particle size, good electrolyte-resistance (calcium ion) stability and high tolerance to various film forming accessory ingredients (various organic solvents with high boiling point). The dispersoid is used as seal coat of water-based wood coating and has good sealing performance to various woods; harmful volatile organic compounds (VOC) such as formaldehyde, and the like sealed against escaping from plates to pollute indoor environment, and the colored compounds such as turpentine, pine oil and tannin and the like are sealed against dissolving out of the plates to pollute pure top coating and white top coating of a water-based wooden ware; and in addition, the dispersoid can be used in water-based leather finishing agents.

The invention relates to a high-performance jet ink. The jet ink comprises the following components by weight percent: 20-80% of solvent, 1-45% of cosolvent, 4-20% of adhesive, 0.5-20% of colorant, 0-5% of adhesion force promoter, 0.01-2% of wax powder, 0-2% of brightening agent and 0-5% of other additives. As adhesion force promoter is added in the jet ink, the adhesion performance on base materials such as glass, metal, polypropylene or polyethylene is increased. In addition, wax is added to increase wear resistance and scratch resistance, and brightening agent is added to increase the lustrousness, brilliance and definition of the ink. The product has high adhesion force, good wear resistance, high lustrousness and definition and good compatibility, thus the defects of the existing ink such as low lustrousness, poor wear resistance and low definition can be greatly improved and the jet ink has good market prospect.

A composition is described that includes at least one compatibilizer having at least one polyolefin and at least one polar group. The composition can include a blend of polymers. Surface coverings and floor coverings, such as laminated floor coverings, having the composition, are also described.

The invention relates to a paint technology, an environment-friendly technology and an antibacterial mould-proof technology, in particular to high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint and a preparation method thereof. The high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint comprises the following components in percentage by weight: 0.5 to 5 percent of wetting dispersant, 0.01 to 20 percent of inorganic composite nano antibacterial agent concentrated pulp, 0.5 to 10 percent of hydrophobing agent, 0.5 to 10 percent of anionic powder, 0.5 to 8 percent of film-forming aid, 0.1 to 2 percent of anti-settling agent, 0.8 to 10 percent of antifreezing agent, 0.1 to 3 percent of defoaming agent, 4 to 30 percent of pigment, 0 to 30 percent of filler, 15 to 45 percent of emulsion, 0.1 to 4 percent of thickening agent, 0.1 to 3 percent of flatting agent, 0 to 3 percent of pH regulator and 0.5 to 45 percent of water. The high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint is mainly prepared by adding the inorganic composite nano antibacterial agent into the basic materials, so that the paint has the coating characteristic of high performance, is low is cost, and has a function of purifying air, can eliminate harmful gas volatile organic compounds (VOC), formaldehyde and the like and also has a durable and high-efficiency antibacterial mould-proof function, so that the sterilizing rate within 6 hours reaches 100 percent and the mould-proof grade reaches the first grade. By the high-efficiency environment-friendly antibacterial mould-proof inorganic composite nano paint and the preparation method thereof, self-cleaning performance, hydrophobicity, scrubbing resistance, dirt resistance and weather resistance of the coating are improved; and the high-efficiency and durable antibacterial and mould-proof effect is achieved.

The invention refers to a high-solid content acrylate micro-latex, its making method and its application to carpentry dope. It adopts the technique of half-continuous starvation feeding, and is obtained by the polymerizing method of seed latex. It leads into cross-linking groups in the course of polymerization such as amidogen, acetoacetyl and amido, depends on the reaction of the groups of form film, gets painting film with cross-linking construction, and improves the water and solvent resistance of the painting film.

The invention provides an UV curing coating, a wear-resistant and antifouling coating layer and a mobile phone protection film containing the wear-resistant and antifouling coating layer. The coating comprises, in parts by weight, 10-95 parts of a first prepolymer, 5-60 parts of a second prepolymer, 0.05-8 parts of a polysilazane-based polymer, 0.05-8 parts of a fluorine-containing aid, 1-15 parts of a photoinitiator and 100-300 parts of a solvent, wherein the first prepolymer is a urethane acrylate prepolymer with a functionality degree of 4-8; the second prepolymer is an acrylate prepolymer with a functionality degree of 9-18. The wear resistance of the coating layer formed after curing the UV curing coating can be improved by the first prepolymer and the second prepolymer with high functionality degrees, improvement for the wear resistance of the coating layer and prolonging for the service life of the coating layer are benefited due to the adding of the polysilazane-based polymer and a polar compound, and the good antifouling performance of the coating layer can be ensured, and the reduction of the antifouling performance of the coating layer can be suppressed due to the fluorine-containing aid. The coating layer has both good antifouling performance and wear resistance.

The invention relates to paint and a preparation method thereof, and specially relates to stone-like paint and a preparation method thereof. The stone-like paint mainly comprises an emulsion, cellulose ether and aggregate. The stone-like paint provided by the invention is good in film forming ability, does not crack, and has the prominent advantage that the stone-like paint is dried in a short period (2 h) during construction under the condition of low temperature (5-7 DEG C) and high humidity (70-80%) and is not whitened when meeting water; and the stone-like paint provided by the invention has excellent contamination resistance, excellent water whitening resistance and good in color retention and endurance, and is capable of overcoming rain print phenomenon.

The invention discloses nano-silica sol-modified outer wall paint and a preparation method thereof. The nano-silica sol-modified outer wall paint comprises, by weight, 10-25% of nano-silica sol, 0.1-0.2% of a coupling agent, 0.2-2.0% of a neutralizer, 10-30% of an acrylic emulsion or a styrene-acrylic emulsion, 10-15% of a pigment, 10-20% of a filler, 0.2-0.4% of a dispersant, 0.2-0.4% of a wetting agent, 0.3-2.0% of a thickening agent, 0.2-0.4% of an antifoaming agent, 0.4-0.6% of a mildew-resistant antiseptic, 0.6-1.4% of an antifreezing agent, 0.4-1.2% of a film forming assistant and 20-30% of deionized water. The invention also provides the preparation method of the nano-silica sol-modified outer wall paint. The nano-silica sol-modified outer wall paint has good storage stability and can form a paint film which does not effloresce and fall off easily, has good permeability, does not mildew easily, and has excellent water resistance and alkali resistance.

The invention relates to a fluorocarbon nanometer solar heat-insulation reflective paint, a preparation method thereof and a using method thereof. The paint can be used for roofs and glass curtain walls of the building industry, offshore drilling platforms, oil tanks and petroleum pipelines of the petroleum industry, the surfaces of cars and trains of the transportation industry, hulls and decks of the ship-building industry, and the tanks and warships of the weapon and aerospace industry. The fluorocarbon nanometer solar heat-insulation reflective paint comprises a component A and a component B, wherein the component A comprises the following materials in percentage by weight: 40%-70% of fluorocarbon resin, 1%-10% of nanometer TiO2 concentrated slurry, 10%-30% of infrared-ray reflective pigment, 3%-10% of hollow micro beads, 1%-5% of auxiliaries and 10%-20% of organic solvent; and the component B is cross-linking agent. The preparation method for the fluorocarbon nanometer solar heat-insulation reflective paint comprises the following steps: 1) preparing, dispersing and grinding the materials of the component A in proportion until the fineness is lower than 30 microns; and 2) mixing and curing the component A and the component B to prepare the fluorocarbon nanometer solar heat-insulation reflective paint. The fluorocarbon nanometer solar heat-insulation reflective paint provided by the invention is suitable for normal-temperature drying or low-temperature baking and drying; moreover, a coating film formed by the paint has the characteristics such as high reflectivity, a good heat-insulation effect, high corrosion prevention, high weather resistance, high self-cleanness, low friction and the like.

The utility model relates to a water-based acrylic resin paintand the manufacturing method. The basic ray materials comprise acrylic monomer, styrene monomer, initiator, cosolvent, and active solvent. The utility model is characterized in that the acrylic monomer comprises acrylic derivative with hydroxyl; the cosolvent is ether alcohol solvent; the active solvent is butyl carbonate ethylene derivative active solvent; the initiator is peroxide initiator; and the neutralizer is Amine neutralizer. The resin is manufactured through two-step process. In the first step, water-based acrylic resin prepolymer is manufactured and is then manufactured into resin latex through inner emulsification on the second step. The product is of long storage time and is of no added emulsifier. Under the room temperature, the product can cross-link with water-based isocyanate curing agent to form membrane. The utility model is of excellent membrane, good water resistance, anti-scrubbing property, chemical resistance and sullying resistance.

The invention discloses a making method and application of aqueous fluorine polyurethane, which contains cationic and anionic aqueous fluorine polyurethane with the making procedure comprises the following steps: (1) synthesizing bromoepoxybutane; (2) making fluoepoxybutane; (3) preparing fluorine polyether; (4) synthesizing aqueous polyurethane. The invention can be high-property green environment-protective water repellency, waterproof and stainproof paint, which possesses wide market prospect.

The invention relates to a protective coating for aerogenerator vanes and a preparation method thereof, wherein the protective coating has the advantages of excellent ultraviolet radiation resistance, abrasion resistance, stain resistance, corrosion resistance, adhesive force and flexibility. The preparation method uses hydroxyl acrylate resin as a base material of the surface protective coating for the aerogenerator vanes and uses the mixture of HDI biuret and HDI tripolymer as a curing agent. The coating consists of a component A and a component B, wherein the component A comprises the following materials in portion by weight: 10 to 55 portions of the hydroxyl acrylate resin, 1 to 5 portions of abrasion resistant and stain resistant auxiliary agent, 0.2 to 0.4 portion of ultraviolet stabilizer, 10 to 15 portions of environment-friendly organic solvent, 15 to 20 portions of pigments and fillers, 2 to 5 portions of delustering agent, 0.15 to 0.55 portion of dispersing agent, 0.01 to 0.3 portion of drying agent, and 0.25 to 0.55 portion of levelling agent; the component B comprises 1 to 15 portions of the HDI biuret and 1 to 15 portions of the HDI tripolymer; and the mass ratio of the component A to the component B is 2-6:1. When in use, the components A and B are mixed and stirred evenly in proportion, and then the mixture is adjusted to proper viscosity for construction by using a spraying method.

The invention relates to the preservative coating technology, in particular to a water-based two-pack polyurethane preservative coating and a preparation method thereof. The water-based two-pack polyurethane preservative coating comprises two parts, namely paint vehicle and curing agent, wherein the paint vehicle is prepared from water-based hydroxylated acrylic dispersion, modified resin, pigment, filler, additive and water, the curing agent part comprises hydrophilic aliphatic isocyanate, dodecyl ester and propylene glycol methyl ether acetate. When using the coating of the invention, the weight ratio of the paint vehicle to the curing agent is 74-85:15-26 and the coating can solve the defects of the existing preservative coating.

A water F-C nano paint is prepared from aqueous vinyl F-C emulsion as filming liquid, nano material as modifier, pigment, filler, assistant and water. Its advantages are smooth surface, high weatherability, self-cleaning power, chemical resistance and durability, and low cost.

A personal safety protective device that includes a lens and a support structure onto which the lens is secured. The lens includes a substrate and a hard-coat layer located on the substrate of the lens. The hard-coat layer has a low surface energy outer surface that is derived from a) an additive that includes at least one of i) a perfluoropolyether urethane that includes hydrolysable silane groups, and ii) an acrylate polymer that includes at least one perfluoropolyether moiety and at least one hydrolysable silane group, and b) a silsesquioxane-based hard-coat composition. The provision of such a lens on a personal safety protective device enables the lens to be durable to abrasion and to be easily cleaned without use of solvents that could shorten the service life of the lens.

The invention discloses a highly-flame-retardant modified acrylate coating. The raw materials for preparing the coating comprise the following ingredients: 65-80 parts of phosphate ester modified acrylic emulsion, 5-10 parts of polysiloxane, 3-10 parts of waterborne polyurethane emulsion, 2-6 parts of resorcinol bis(diphenyl) phosphate, 0.5-1.8 parts of tri-isopropylphenyl phosphate, 10-30 parts of nanometer aluminum hydroxide, 15-32 parts of titanium dioxide, 5-20 parts of nano-silica, 19-35 parts of ammonium polyphosphate, 5-10 parts of dipentaerythritol, 3-10 parts of beta-cyclodextrin, 3-8 parts of an organic solvent, 3-5 parts of a film-forming additive, 2-5 parts of an auxiliary, and 30-60 parts of water. The highly-flame-retardant modified acrylate coating disclosed by the invention is good in flame retardancy, high in heat resistance, high in strength, and long in service life.

A resource-saving glazed ceramic tile having an antiskid effect on surface and a preparation method thereof. Without great change on production process of the glazed ceramic tiles, formula composition of a blank body, composition of ground and cover glaze frits and formula composition of ground and cover glaze are regulated and optimized focusedly, so that the glazed ceramic tile, which has excellent performance and the antiskid effect, can be prepared even large quantity sludge residue is added to the blank body. Through a high-magnification scanning electronic microscopy for observing the surface of glaze on the product, it is found that projects which are hard and needle-like and look like aluminum spinel crystal are formed on the surface, and the glaze is 0.8 in antiskid coefficient and is R12 in antiskid level when a less quantity of water is sprayed on the glaze. The glazed ceramic tile has good antiskid effect, can reach 4000 r / four grade in wear-resisting revolution through detection, and has good anti-wear performance, surface anti-fouling performance and water permeation resistance. The glaze has no defects such as needle pores, bubbles and the like, has clear decorative pattern grains and is highly stone-simulated. The technology has strong adaptability and is easy to promote in the field.

The invention relates to a high-elasticity waterborne polyurethane-acrylate composite resin which is prepared mainly from the following raw materials: 7 to 20 parts by mass of aliphatic polyisocyanates with highly symmetrical structure, 25 to 45 parts by mass of polyether polyol, 0 to 0.03 parts by mass of polyurethane catalyst, 0 to 2 parts by mass of low molecular weight alcohol chain extender, 1 to 6 parts by mass of hydrophilic chain extender, 0.4 to 1.5 parts by mass of low molecular weight amine chain extender, 1 to 4 parts by mass of organic amine neutralizer, 20 to 60 parts by mass of (methyl) acrylate monomer and 0.08 to 1.3 parts by mass of free radical initiator. The high-elasticity waterborne polyurethane-acrylate composite resin disclosed by the invention has good mechanical property at different using temperatures. A coating prepared from the high-elasticity waterborne polyurethane-acrylate composite resin not only has excellent mechanical property, but also has excellent water resistance, alkali resistance, stain resistance and ageing resistance, so the high-elasticity waterborne polyurethane-acrylate composite resin is very suitable for preparing the single-component elastic coating in the field of buildings.

The invention relates to a waterproof thermal insulation coating composition, which comprises an aggregates, a substrate, an auxiliary filling and an assistant, and is characterized in that the aggregates are hollow glass microspheres, and the substrate is silicone acrylic emulsion; in the thermal insulation coating composition, 6-18 parts by mass of hollow glass microspheres and 21-27 parts by mass of silicone acrylic emulsion are provided. According to the invention, the silicon acrylic emulsion is selected, so that the thermal insulation coating has excellent thermal insulation property, and good waterproof and antifouling performance, and the waterproof and antifouling performance is more excellent for fluorine-containing silicone acrylic emulsion.

The invention provides a method for preparing an aqueous dispersion of polymer particles comprising the following steps: (i) preparing a dispersion having a continuous aqueous phase, a dispersed organic phase comprising one or more ethylenically unsaturated monomers, and an amphiphilic RAFT agent as a stabiliser for said organic phase, and (ii) polymerising said one or more ethylenically unsaturated monomers under the control of said amphiphilic RAFT agent to form said aqueous dispersion of polymer particles, novel amphiphilic RAFT agents for use in this method, novel RAFT agents useful in making these amphiphilic RAFT agents and methods for their manufacture.

The invention discloses organic-inorganic hybrid high-silicon-content acrylic ester emulsion and a preparation method thereof. The preparation method comprises the following steps: modifying silica sol by using a silane coupling agent; coupling the modified silicon sol with hydroxyl-containing hydrophilic functional monomers; and performing in-situ polymerization with acrylic ester monomers. The organic-inorganic hybrid high-silicon-content acrylic ester emulsion comprises the following raw materials in part by mass: 55 to 80 parts of deionized water, 20 to 70 parts of modified silicon sol, 15 to 40 parts of acrylic ester monomer, 0.01 to 1.5 parts of methacrylic acid, 0.1 to 2.5 parts of emulsifying agent, 0.02 to 1.5 parts of initiator and 0.01 to 1.0 part of sodium hydrogen carbonate, wherein the mass content (by SiO2) of silicon in the organic-inorganic hybrid high-silicon-content acrylic ester emulsion is 20 to 25 percent. The emulsion has an attractive appearance and high storage stability and freeze-thaw stability; the coating of the emulsion is smooth and has high transparency; the hardness is 5H and the adhesive force is 1 level; and excellent weather resistance and water resistance are achieved.

The invention relates to a functional real stone paint building exterior wall coating material and a preparation method thereof. The functional real stone paint building exterior wall coating material is composed of the following components in parts by weight: deionized water, hydroxyethyl cellulose, an aqueous multifunctional addition agent, a real stone paint special silicone acrylic emulsion, a coalescing agent, an aqueous defoamer, a sterilizing corrosion remover, a hydrophobing agent and natural colored sand. The functional real stone paint building exterior wall coating material prepared by the invention is formed with one construction process and strong in covering power with surface covering-free performance, simultaneously is excellent in water resistance, stain resistance and weather resistance performance.

A nitrogen doped nano-TiO2 modified photocatalytic paint with low content of volatile VOC, and high ultraviolet shielding-absorbing and antibacterial effect is prepared from silicic acrylate emulsion, nitrogen doped nano-TiO2, ordinary nano-TiO2, titanium oxide powder, kaolin, heavy and light calcium carbonate, wallastonite powder, assistant, water, ammonia water, defoaming agent and antimildew agent through proportional mixing, stirring and filtering.