58results about "Antifouling/underwater paints" patented technology

The invention discloses a use of polysiloxane with modified acrylate radicals. The polysiloxane serves as dirt-proof coating additive. The structure of the polysiloxane with modified acrylate radicals is shown as the formula I, and definitions of R1, R2, a and R3 are described as an instruction book and claims. A dirt-proof coating composition of the polysiloxane with modified acrylate radicals, oligomer containing at least one unsaturated double bond, diluent monomer and light initiator is further disclosed, and the dirt-proof coating composition has good dirt-proof performance.

The invention discloses a super-hydrophobic conformal coating, and a preparation method and an application method thereof. The super-hydrophobic conformal coating is composed of, by mass, 5 to 40% of fluorocarbon resin, 10 to 30% of fluorosilicon resin, 20 to 60% of an organic solvent, 10 to 30% of silica, 1 to 10% of titanium dioxide, 1 to 10% of polytetrafluoroethylene, 0.1 to 0.5% of a catalyst, and 1 to 5% of a curing agent. According to the preparation method, the ingredients are subjected to stirring mixing and ultrasonic uniform dispersion in sequence at a certain ratio. According to the application method, the super-hydrophobic conformal coating is subjected to direct spraying or brush coating onto the surfaces of insulators and outdoor electric power facilities; the thickness of obtained coating layers is controlled to be 0.1 to 0.5mm preferably; and 20 to 60min of normal temperature curing is needed. The preparation method is simple; the cost is low; the super-hydrophobic conformal coating is convenient to use, possesses extremely high hydrophobicity and weatherability, is capable of realizing self cleaning, is a nanometer composite hybrid normal-temperature cured fluorocarbon coating, is capable of realizing stain prevention, pollution flashover prevention, and corrosion prevention of insulators and outdoor electric power facilities effectively, and is promising in application prospect.

A thermoplastic resin composition with improved flame retardance, flow and heat deflection temperature includes a thermoplastic resin; resorcinol diphenyl phosphate; and an additive blend. The additive blend includes a combination of melamine polyphosphate and ferrocene. The thermoplastic composition reduces the amounts of resorcinol diphenyl phosphate required for effective flame retardancy. Moreover, the effective amounts of melamine polyphosphate and ferrocene do not deleteriously affect other properties of the thermoplastic composition such as Izod strength, flow properties, and heat deflection temperatures. A process for manufacturing a thermoplastic composition is also disclosed.

The invention relates to a fluorosilicon waterproof oil repellent, and a synthesis method and application thereof. The synthesis method comprises the following steps: (1) mixing sodium borohydride, a simple substance iodine and 1/4 of perfluorinated polyether; slowly and dropwisely adding the rest 3/4 of perfluorinated polyether into the mixed solution, and reacting to obtain perfluorinated polyether methanol; (2) continuing adding bromopropylene and potassium carbonate, and reacting to obtain allyl perfluorinated polyether; and (3) mixing the allyl perfluorinated polyether, alkoxy silane and a platinum catalyst, and reacting to obtain the target product trialkoxysilylpropyl perfluorinated polyether. The fluorosilicon waterproof oil repellent is applicable to various glass panels, can easily form a film on the premise of ensuring the laminating effect, can obviously increase the scratch resistance of the protective film, and enables the protective film to have the waterproof, anti-fingerprint and oil-repellent functions. Besides, the film is very smooth, and thus, the fluorosilicon waterproof oil repellent has wide application prospects in high-end fields.

An aqueous precipitation process for the preparation of particles comprising primarily silver sulfate, comprising reacting an aqueous soluble silver salt and an aqueous soluble source of inorganic sulfate ion in an agitated precipitation reactor vessel and precipitating particles comprising primarily silver sulfate, wherein the reaction and precipitation are performed in the presence of an aqueous soluble carboxylic acid additive or salt thereof, the amount of additive being a minor molar percentage, relative to the molar amount of silver sulfate precipitated, and effective to result in precipitation of particles comprising primarily silver sulfate having a mean grain-size of less than 70 micrometers.

The invention relates to the field of organic high-molecular compounds. In order to solve the problem of deficiency in long residual action and environment friendliness in the existing oil-based fluorine-containing low-surface-energy anti-doodling paint, the invention provides a water-based anti-doodling paint and a preparation method thereof. The preparation method comprises the following steps: adding a pigment, a filler and a dispersing agent into a toning cylinder, mixing, adding into a grinder, and grinding until the fineness is less than 20 mu m to obtain a color paste; and adding deionized water, the color paste, a fluorine-silicon-modified polyurethane core-shell emulsion, a preservative and a mildew preventive into a dispersion cylinder, mixing, sequentially adding a film forming assistant, a defoaming agent a thickener, mixing, and discharging to obtain the water-based anti-doodling paint. The film formed by the paint has the characteristics of excellent weather resistance, excellent ultraviolet resistance, excellent wear resistance, low surface energy, excellent pollution resistance, excellent doodling resistance, low VOC (volatile organic compound) emission, environment friendliness and no toxicity.

The invention belongs to the technical field of architectural coatings, and particularly relates to a direct-coating water-based single-component ceramic tile renovating coating and a preparation method thereof. The direct-coating water-based single-component ceramic tile renovating coating comprises the following components in parts by weight: 10-25 parts of a film forming material I, 25-35 partsof a film forming material II, 0-1 part of an adhesion promoter, 0-1 part of a wetting agent, 0-1 part of a dispersing agent, 0-1 part of a defoaming agent, 0-8 parts of a film forming assistant, 0-4parts of a thickening agent, 0-3 parts of an antifreezing agent, 0-1 part of a pH regulator, 0-1 part of a preservative, 0-1 part of a mildew inhibitor, 5-25 parts of a filler, 0-25 parts of a pigment and 20-25 parts of water. The direct-coating type water-based single-component ceramic tile renovating coating is a water-based system, has low VOC content and is environment-friendly; the direct-coating water-based single-component ceramic tile renovating coating has excellent performances of dry and wet adhesion, weather resistance and the like; and application is simple, the construction period can be shortened, and the construction cost can be reduced.

The invention belongs to the technical field of coatings and provides an artistic coating which comprises the following components in parts by weight: 5-10 parts of water, 0.16-0.24 parts of bentonite, 0.3-0.6 parts of cellulose, 0.1-0.3 parts of a pH regulator, 0.5-0.7 parts of a dispersing agent, 0.1-0.3 parts of a wetting agent, 0.1-0.3 parts of a defoaming agent, 3-5 parts of an anti-freezingagent, 25-35 parts of pure acrylic emulsion, 0.4-0.8 parts of a coalescing agent, 0.1-0.3 parts of a preservative, 0.1-0.3 parts of a mildew preventive, 3-6 parts of a wax aid, 3-6 parts of a coveringpolymer, 15-25 parts of pearl powder and 15-35 parts of quartz sand. Through the synergistic effect of the components, the construction difficulty of the coating is effectively reduced while the original basic performance of a paint film is maintained, and the artistic coating is endowed with good adhesive force, high stain resistance, high glossiness, decorative performance, low VOC and environmental friendliness.

The invention provides an antibacterial self-cleaning PTP (Poly Terephthalic acid) aluminum foil. The antibacterial self-cleaning PTP aluminum foil is in a double-layered structure and comprises a base body layer and a nano antibacterial coating, wherein the base body layer is in a sheet layer structure and is composed of hard or soft aluminum foil of 20-30 microns; the nano antibacterial coating is coated on the base body layer and is composed of hot melt glue and a nano antibacterial agent; the nano antibacterial coating contains the nano antibacterial agent with the concentration of 5000PPM (Parts Per Million)-30000PPM, wherein the base body layer and the nano antibacterial coating are compounded to prepare the antibacterial self-cleaning PTP aluminum foil; when the prepared antibacterial self-cleaning PTP aluminum foil is used for packaging medicines, the base body layer is located on the outer side and the nano antibacterial coating is located on the inner side and is directly contacted with the medicines. The invention further discloses a preparation method of the antibacterial self-cleaning PTP aluminum foil; the prepared PTP aluminum foil can effectively prevent secondary pollution on the aluminum foil, caused by production and machining as well as packaging; the prepared PTP aluminum foil also has a certain sterilization function on microorganisms carried on the medicines.

A composition made up of an inorganic fire-retardant having at least a bimodal distribution of particle sizes.

The invention relates to a high-hardness matte ceramic antifouling agent. The high-hardness matte ceramic antifouling agent is prepared via modification grafting with active MQ silicone resin on the surfaces of nanometer silicon dioxide particles. According to the high-hardness matte ceramic antifouling agent, inorganic siloxane in MQ silicone resin and nanometer silicon dioxide are taken as hard chain segments, porefilling effect, wear resistance, and skid resistance on the surface of ceramic are achieved, and in addition nanometer silicon dioxide possesses hydrophobic antifouling antibacterial effect; one the other hand, a cross-linked net-structured film composed of MQ silicone resin and methyl hydrogen silicone fluid is taken as a soft chain segment, and in polishing process, a polishing wheel is isolated from tile surface to avoid direct elastic contact, so that tile glossiness is not improved, and problems of conventional matte antifouling agents that wear resistance and antifouling properties are poor are solved.

The invention belongs to the field of high-molecular compounds obtained through a carbon-carbon unsaturated bond reaction, and particularly relates to a soluble silver ion-containing polymerizable monomer, a preparation method thereof, a silver-containing polymer and an antibacterial coating. The soluble silver ion-containing polymerizable monomer can be dissolved in water or an organic solvent, and has a structure of A(AgLn)x, wherein L is a ligand capable of being complexed with silver, n is the number of ligands, A is an acid radical ion, and x is the number of acid radical negative charges; wherein at least one of A and L contains a carbon-carbon double bond. According to the soluble polymerizable monomer containing the silver ions, the polymerizable monomer containing the silver ionsis prepared in a complexing mode, and the silver ions are combined to carbon-carbon unsaturated bonds in a covalent bond or ionic bond mode. The polymerizable monomer can be dissolved in water or an organic solvent, and a silver ion-containing aqueous solution coating, a silver ion-containing organic solvent coating or a silver ion-containing emulsion coating can be conveniently obtained in a homopolymerization or copolymerization mode.

The invention provides an antibacterial coating. The antibacterial coating is characterized by comprising the following components in parts by weight: 60-100 parts of epoxy resin, 60-100 parts of methyl acrylate, 1-2 parts of silver, 2-4 parts of copper oxide, 5-10 parts of titanium dioxide, 40-60 parts of high-grade kaolin, 30-50 parts of glass fiber, 4-6 parts of methylcellulose, 2-5 parts of polydimethylsiloxane, 1-4 parts of sodium silicate and 100-200 parts of water. The antibacterial coating has good antibacterial property and long service life and has less possibility of adsorbing dust.

The invention discloses perfluoro-substituted micromolecular terminal diol which has a molecular structure shown as a structural formula I. The diol with the structural formula I is colorless or slightly yellow transparent liquid; and in the formula I, n is any natural number in the range of 2-11; m is 1 or 2; and R is any one of methyl, ethyl, propyl, butyl isopropyl or isobutyl. The perfluoro-substituted micromolecular terminal diol prepared by the invention is high in purity, almost no side reaction exists, the preparation method is simple, the product conversion rate is high, the single-component normal-temperature self-crosslinkeing side-chain fluorine-containing polyurethane which is uniform in synthesis performance and capable of being stored for a long time can be used, and a super-hydrophobic oleophobic self-cleaning coating prepared from the side-chain fluorine-containing polyurethane has the advantages of being high in adhesive force with a base material, resistant to surface abrasion, resistant to solvent soaking, resistant to chemical corrosion, good in weather resistance and the like.

The invention relates to the field of preparation of shoes, provides a pair of antibacterial heating graphene shoes and a preparation method thereof and overcomes defectsthat heating shoes have no antibacterial effect and are low in heating speed and low in heat dissipation efficiency in the prior art. Each shoe comprises a shoe sole and an upper arranged on the shoe sole, wherein a concave hole, a graphene heating chip and a power supply electrically connected with the graphene heating chip are arranged on the shoe sole, a breathable gasket for covering the graphene heating chip and the power supply is arranged outside the concave hole, the graphene heating chip comprises a substrate and a circuit arranged on the substrate, a surface layer of the substrate is coated with a graphene coating, and the graphene coating is prepared from raw materials in parts by weight as follows: 5-10 parts of graphene, 15-30 parts of an organic solvent, 20-25 parts of a wetting agent and 30-40 parts of a dispersing agent.

The invention relates to the technical field of coatings, and concretely relates to a photovoltaic glass panel surface layer anti-damping coating and a preparation method thereof. The photovoltaic glass panel surface anti-damping coating comprises, by weight, 8-20% of fluorosilicone copolymer resin, 5-12% of silica, 2-8% of a dispersant, 1-5% of a penetrant, 0.5-2% of an antifoaming agent, 1.5-5% of a leveling agent, and the balance of a diluent. The photovoltaic glass panel surface anti-damping coating has a water repellency reaching 95%, has a great water contact angle reaching 130 DEG or more and has a rolling angle being less than 20 DEG, so the coating has a good self-cleaning ability and a light transmittance of 98% or more under rain erosion, and also can guarantee the photovoltaic conversion rate on the premise of a self-cleaning effect. The preparation method of the photovoltaic glass panel surface anti-damping coating has the advantages of simplicity, low cost and high efficiency.

Disclosed is a preparation process of a fire and corrosion prevention wooden door. The preparation process comprises the following steps that (1) a fire and corrosion prevention coating is prepared, wherein the raw materials comprise 15-30 parts of water-based resin, 10-16 parts of polydimethyl siloxane, 0.4-1.2 parts of mica powder, 2-4 parts of organic silicone modified styrene-acrylic emulsion,4-8 parts of a dispersant, 10-14 parts of a flame retardant, 3-6 parts of a bactericide, 4-6 parts of a film-forming assistant, 1-3 parts of a pH regulator and 2-4 parts of a stabilizer, the water-based resin, the flame retardant and the bactericide are put into a reaction kettle to be mixed evenly, then the dispersant, the mica powder and the organic silicone modified styrene-acrylic emulsion are added into the reaction kettle to be mixed, after mixing, the film-forming assistant, the pH regulator and the stabilizer are added, stirring continues to be carried out to disperse the materials evenly, and thus the fire and corrosion prevention coating is obtained; and (2) after the two sides of a door plate of the wooden door are polished smoothly, the fire and corrosion prevention coating issmeared, after air-drying of the coating, finish paint is smeared, and after air-drying of the finish paint, a layer of the fire and corrosion prevention coating is smeared.

The invention provides a reset structure, a bottle cap and a seasoning bottle, and solves insufficiencies of seasoning bottles and bottle caps in the prior art. People do not need to pay attention to the problems of opening and closing of the bottle cap of the seasoning bottle during cooking, and people's living standards are improved; furthermore, the problem that bacteria breed and contaminate seasonings in the bottle because seasonings are scattered externally on a bottle opening when people add the seasonings can be prevented, so that people's healthy diets are ensured.

Antibacterial and anti-static paint comprises, by weight, 10-12 parts of unsaturated epoxy resin, 10-12 parts of phenolic resin, 40-46 parts of polyester resin, 5-10 parts of organic silicon resin, 5-8 parts of colored pigments, 4-6 parts of nanoscale silver powder with the grain size being 100-200 nanometers, and 5-6 parts of commercially available antistatic agents. The antibacterial and anti-static paint prepared by the method is quite excellent in properties of adhesive force, weather resistance, abrasion resistance, high temperature resistance and the like while ensuring the bacterial and anti-static properties.

The invention discloses a silane modified antibacterial leather coating. The silane modified antibacterial leather coating comprises, by weight, 0.1-0.2 parts of urotropine, 0.1-0.2 parts of gamma-aminopropyltriethoxysilane, 0.7-1 part of carboxymethylcellulose sodium, 0.2-0.4 parts of butyltin mercaptide, 1.7-2 parts of polyvinylpyrrolidone, 0.8-1 part of polyacrylamide, 0.1-0.13 parts of triethanolamine, 190-200 parts of methyl methacrylate, 3-4 parts of sodium dodecyl sulfate, 0.2-0.3 parts of ammonium persulfate, 6-7 parts of a 20-25% formaldehyde solution, 16-20 parts of zinc acetate, 4-7 parts of silver nitrate, 1-2 parts of calcium hydrogen phosphate, 0.1-0.2 parts of polyglyceryl-10 oleate, 1-2 parts of hydroxystearic acid and 1.6-2 parts of stannous chloride. The coating has the advantages of good antibacterial property, excellent water vapor permeability and excellent waterproof property, and leather coated with obtained emulsion has good antibacterial property and excellent health performances.

The invention discloses a double-component environment-friendly coating rich in d-limonene, and a preparation method thereof, and relates to the field of architectural decoration. The coating is prepared from a component A and a component B, the component A is prepared from polyaspartic acid ester resin, d-limonene and an auxiliary agent, and the component B is a polyisocyanate curing agent. The preparation method comprises the following steps: sequentially adding the polyaspartic acid ester resin, the d-limonene and the auxiliary agent into stirring equipment in proportion, and stirring; thenadding a delustering agent, and stirring to obtain the component A; and directly mixing the component A and the component B in proportion before construction in order to prepare the coating. The coating is free of toxic organic solvents, heavy metals and other harmful substances, is a green and environment-friendly coating, has a medical promotion effect on human health, also has excellent physical and chemical properties such as water resistance, sterilization, weather resistance, wear resistance, scratch resistance and the like, and can be widely applied to various occasions such as outer walls, inner walls, woodenware, floors, civil water resistance, industrial corrosion resistance and the like.

The invention discloses environment-friendly abrasion-resistant and scratch-resistant paint for wooden doors. The environment-friendly abrasion-resistant and scratch-resistant paint comprises waterborne polyurethane, waterborne acrylic resin emulsion, defoaming agents, coalescing agents, wetting agents and leveling agents. The environment-friendly abrasion-resistant and scratch-resistant paint forthe wooden doors has the advantages that the environment-friendly abrasion-resistant and scratch-resistant paint does not contain harmful substances such as formaldehyde, benzene and heavy metal andaccordingly is environmentally friendly and safe; films are high in hardness, abrasion resistance, scraping resistance and scratch resistance and good in stability and adhesive force, and common paintfilm diseases such as bubble, particles and whitening can be prevented as compared with ordinary waterborne paint; the environment-friendly abrasion-resistant and scratch-resistant paint is excellentin moisture-resistant and corrosion-resistant performance, accordingly, the service life can be prolonged, and the wooden doors can be protected from being corroded or affected with damp to be damaged; the environment-friendly abrasion-resistant and scratch-resistant paint is in simple formulas and is low in manufacturing cost, wide in application range, easy to produce and convenient to popularize and use.

The invention discloses an additive-free odorless acrylate emulsion with super stain resistance. The emulsion is prepared from the following raw materials in parts by weight: 100-160 parts of water, 10 to 15 parts of methyl methacrylate; 20-30 parts of styrene, 40 to 55 parts of butyl methacrylate, 30 to 45 parts of tert-butyl acrylate, 1 to 6 parts of methacrylic acid, 0.5 to 2 parts of trifluoro-ethyl acrylate, 2 to 10 parts of a functional monomer, 2 to 10 parts of an emulsifier, 0.1 to 0.5 part of persulfate, 0.1 to 0.5 part of an oxidant, 0.1 to 0.5 part of a reducing agent and 2 to 10 parts of a pH regulator. When the acrylate emulsion is used for a coating, an anti-freezing agent does not need to be added, and the acrylate emulsion has the advantages of super stain resistance, low odor, environmental friendliness and the like.