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223results about How to "Excellent fingerprint resistance" patented technology

Chromium-free passivation liquid applied to surface of zinc-coated layer

The invention discloses a chromium-free passivation liquid applied to the surface of a zinc-coated layer, belonging to the technical field of new materials for passivating the surfaces of zinc-coated materials (including zinc-coated steel plates and other zinc-coated parts0. The chromium-free passivation liquid does not contain metal element zirconium and is a chromium-free environmental-friendlypassivation liquid which can substitute for hexavalent chromium or trivalent chromium. Each liter of chromium-free passivation liquid comprises 20-100 g of metal element salt, 5-10 g of aqueous silane, 2-10 g of complexing agent, 10-120 g of nano filling material, 1-5 g of oxidizing agent, 5-50 g of film forming aid and the balance of water. In the chromium-free passivation liquid provided by theinvention, organic silicon modified acrylate is used as the film forming aid, cerium salt or lanthanum salt and molybdate are used as inorganic components, and the nano filling material and other aids are used as auxiliaries to form the organic and inorganic compound passivation liquid. The passivation effect of the passivation liquid even exceeds that of the hexavalent chromium or trivalent chromium passivation liquid and can totally substitute for the hexavalent chromium or trivalent chromium passivation liquid.
Owner:武汉迪赛新材料有限公司

Method for preparing trivalent chromium compound

The invention provides a method for preparing a trivalent chromium compound. The method comprises the following steps that a hexavalent chromium compound contacts with a reducing agent and a complexing agent under the existence of water, wherein the reducing agent is a substance capable of reducing hexavalent chromium into trivalent chromium; and the complexing agent is a substance capable of having complexation with trivalent chromium ions. When the trivalent chromium compound prepared by the method is adopted as a film forming agent of a galvanized self-lubricating steel plate, an obtained self-lubricating coating has obviously improved fingerprint resistance, corrosion resistance and adhesive force as well as obviously reduced coefficient of dynamic friction.
Owner:PANGANG GROUP VANADIUM TITANIUM & RESOURCES +3

Low-temperature anti-fingerprint surface treating agent for galvanized steel sheet and environment-friendly surface treated galvanized steel sheet

ActiveCN104073100AHighlight corrosion resistanceHighlight drug resistancePolyurea/polyurethane coatingsWater basedSolvent
The invention relates to a low-temperature anti-fingerprint surface treating agent for a galvanized steel sheet and an environment-friendly surface treated galvanized steel sheet of which the surface is treated by use of the surface treating agent. The surface of the galvanized steel sheet does not contain chromium and does not need to be dried at a high temperature, and a surface treatment film can be formed on the surface under a low-temperature drying condition; the manufacturing process is environment-friendly and low in energy consumption; a composition (namely the surface treating agent) containing specific water-based resin and phosphide, specific organic silicon compound, titanium compound, vanadium compound and oxidic polyethylene particles is applied to the surface of the galvanized steel sheet and then dried at a low temperature ranging from 50 to 75 DEG C, and consequently, the obtained surface treated galvanized steel sheet has excellent properties such as excellent alkali resistance, solvent resistance, corrosion resistance, fingerprint resistance, coating adherence and the like.
Owner:BAOSHAN IRON & STEEL CO LTD +2

Non-chrome alkali-resistant and solvent-resistant galvanized steel sheet surface treatment liquid and preparation method thereof

The invention discloses a non-chrome alkali-resistant and solvent-resistant galvanized steel sheet surface treatment liquid and a preparation method thereof. The water solution of the galvanized steel sheet surface treatment liquid comprises the following components: glass etching waste liquid and / or silane combustion tower filer washing waste liquid treated by decontaminating and purifying, phosphorous compound, one or more organosilane coupling agent(s) containing at least one amino functional group with active hydrogen, one or more organosilane coupling agent(s) containing at least one epoxy group functional group, at least one cation-type or ionic type water soluble polyurethane resin or water-dispersion polyurethane resin, and at least one accelerating agent which is oxygen acid or oxysalt. The galvanized steel sheet surface treatment liquid has good corrosion resistance, fingerprint resistance and coating adhesiveness, and not only meets the requirements of high quality and environmental protection of home appliances users on and the like, but also solves the problem of recycling of the glass etching waste liquid and the silane combustion tower filer washing waste liquid.
Owner:MAANSHAN WEIDELI LUBRICATION MATERIAL TECH +1

Water-based acrylic acid-epoxy-polyurethane dispersoid and alcohol-rubbing-resistant and alkali-resistant coating

The invention provides a water-based acrylic acid-epoxy-polyurethane dispersoid and an alcohol-rubbing-resistant and alkali-resistant coating; the coating is non-toxic and pollution-free, and the properties of high temperature resistance, alcohol rubbing resistance, fingerprint resistance, flexibility, coating property and the like are good. A preparation method of the dispersoid comprises the following steps: 1) carrying out a reaction on an epoxy compound with a micromolecular alkyd compound to prepare epoxy polyol; 2) carrying out a reaction on epoxy polyol, hydrophilic polyurethane and a chain extension cross-linking agent to prepare water-based epoxy resin modified polyurethane, and neutralizing, shearing and dispersing to obtain an ester mixed emulsion; 3) mixing and dissolving the mixed emulsion and an acrylate monomer, and shearing and dispersing to obtain a ternary system mixed emulsion; 4) after the mixed emulsion is subjected to a chain extension reaction, adding an initiator and a polymerizable monomer containing keto-carbonyl, carrying out a reaction, then adding a reactive monomer containing hydrazide groups, mixing and dissolving, and 5) removing the solvent to obtain the water-based acrylic acid-epoxy-polyurethane dispersoid.
Owner:WANHUA CHEM GRP CO LTD +2

Method for producing back plate of liquid crystal television

The invention relates to the field of color-coated steel sheet production, and particularly to a method for producing a back plate of a liquid crystal television. The method is characterized in that the raw steel material is required to be deep-draw steel at DX53D+Z or above; the surface is required to reach the quality standard of FB level or above; and started with the process control adjustment of pre-treatment, coating and packaging, curing, cooling procedures and coiling technology in the production process, the method for producing the back plate of the liquid crystal television comprises the specific control steps of: 1) carrying out the pre-treatment process, including, pre-degreasing, pre-cleaning, pre-rinsing, and controlling a speed of a production line within 50-70 m/min; 2) passivating, and coating primer and finish paint on the front side of the product and back paint of a product; 3) drying and curing at 18-226 DEC G; 4) cooling strip steel; and 5) using a paper sleeve when coiling the strip steel on line. Compared with the prior art, the method for producing the back plate of the liquid crystal television has the beneficial effects of realizing the quality characteristic requirements of the back plate of the liquid crystal television, and realizing production of a back plate of a liquid crystal television with a good appearance and excellent performances through a color coating technology.
Owner:ANGANG STEEL CO LTD

Novel fluorine-containing siloxane fire retardant, and preparation method and application thereof

The invention relates to the technical field of plastic assistants, and concretely relates to a novel fluorine-containing siloxane fire retardant, and a preparation method and an application thereof. The preparation method comprises the following steps: 1, uniformly mixing organosiloxane monomers, adding the obtained monomer mixture into a catalyst and emulsifier dissolved aqueous solution, and carrying out a reaction to obtain an organopolysiloxane emulsion; 2, adjusting the pH value of the organopolysiloxane emulsion by using an alkali liquid, adding a fluorine-containing styrene monomer and a copolymerization, adding an initiator, a crosslinking agent and a chain transfer agent, and carrying out a reaction to obtain an organosiloxane grafted fluorine-containing styrene polymer emulsion; and 3, diluting the polymer emulsion, adding a de-emulsifier to carry out demulsification, centrifuging the de-emulsified emulsion, and carrying out drying and crushing to prepare the novel fluorine-containing siloxane fire retardant. The novel fluorine-containing siloxane fire retardant prepared in the invention has excellent anti-dripping effect and fire-retardant property without affecting the mechanical properties of a high-molecular material polymer, and also can improve the mechanical properties and the heat resistance of matrix resin.
Owner:铨盛聚碳科技股份有限公司

Surface treatment of aquo-metal containing no sexavalence chromium and its treated metal plate for surface treatment

Provided is an aqueous agent for metal surface treatment without including hexa-valent chromium which form a superior film in corrosion resistance, electroconductivity and fingerprint resistance on a surface of a metal material and to provide a metal plate treated with the treatment agent. The aqueous agent for metal surface treatment without including hexa-valent chromium comprises (A) a trivalent chromium compound, (B) a metal nitrate (C) water-dispersible silica and water, and besides, comprises that the weight ratio of a metal in the component (A) to a metal in the component (B) is in the range of 5 / 95-95 / 5. The aqueous agent preferably includes aqueous resins such as an acryl resin, a urthane resin and an epoxy resin, phosphate compounds, and lubricants as additional components. Water class resin such as acryl resin, urethane resin and epoxy resin, phosphate compounds and a lubricant are preferably included as additional components. A film of 0.1-5 g / m2 by dry coating weight is formed by means of applying the above aqueous agent for metal surface treatment on at least one side of the surface of the metal and drying it.
Owner:NIHON PARKERIZING

Preparation method for curing fingerprint-resistant urethane acrylate with electron beam

The invention relates to a preparation method for curing fingerprint-resistant urethane acrylate with an electron beam. The preparation method includes: (1) preparing fluorine-containing micromolecular chain extender by esterification reaction and nucleophilic addition reaction; (2) by reaction between the fluorine-containing micromolecular chain extender and isocyanate, preparing polyurethane prepolymer, the end group of which is-NCO; (3) using pentaerythritol triacrylate to block the polyurethane prepolymer, so that the fingerprint-resistant urethane acrylate product is obtained. The fingerprint-resistant urethane acrylate prepared by the invention can be cured by the electron beam, and a cured film which is formed after curing has excellent fingerprint resistance, and can be applied to anti-fingerprint treatment of display panels of touch screens.
Owner:浙江海嘉新材料有限公司

Fingerprint-resistant transparent coating layer and preparation method thereof

The invention provides a fingerprint-resistant transparent coating layer and a preparation method thereof. The preparation method comprises the following steps: under the condition of a room temperature, sequentially adding acrylic resin, a catalyst, a leveling agent, an adhesion promoter, a curing agent, a diluent and perfluoropolyether into a material mixing pot, and carrying out stirring so asto obtain a fingerprint-resistant transparent resin coating material; wiping a to-be-coated substrate with alcohol and acetone through a non-woven fabric so as to remove oil stains in sequence, and spraying or wiping the fingerprint-resistant transparent resin coating material onto the substrate, or dip-coating the substrate in the fingerprint-resistant transparent resin coating material to form afilm, wherein the substrate is glass, polished stainless steel or bright plastic; and putting a coated substrate into a drying oven at 80-120 DEG C, and carrying out curing for 1-2 hours so as to obtain the fingerprint-resistant transparent resin coating layer on the substrate. The hydrophobic and oleophylic fingerprint-resistant transparent coating layer prepared by using the preparation methodprovided by the invention has a deionized water contact angle of 95-100 degrees and a tetradecane contact angle of 10-15 degrees, and belongs to a hydrophobic and oleophylic fingerprint-resistant coating layer.
Owner:SOUTHEAST UNIV

Aquosity metal finishing composition

The present invention provides an aquosity metal finishing composition excellent in paintwork and storage stability, and can form a chromate free surface treatment film excellent in corrosion resistance before and behind degreasing treatment, conductivity, anti-fingerprint property and glazing adhesion. The aquosity metal finishing composition contains organopolysiloxane (A) as a binder main component, and compound (B) having a propargyl group, a hydroxyl group, and mono-oxyethylene or polyoxyalkylene of the molecular weights 100-800, the mono-oxyethylene or polyoxyalkylene in the compound (B) being at least one type chosen from an oxyethylene group, a polyoxyethylene group, an oxypropylene group, a polyoxypropylene group, and a divalent copolymer chain of ethylene oxide and propylene oxide.
Owner:KANSAI PAINT CO LTD
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