222results about How to "Excellent fingerprint resistance" patented technology

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.

The present invention provides a surface treatment composition and a surface treatment method capable of forming a film having excellent corrosion resistance, fingerprint resistance, blackening resistance, paint adhesion, etc. on the surface of a metal material. It contains an aqueous medium and the following components: (A) metal ions selected from Mn ions, Co ions, Zn ions, Mg ions, Ni ions, Ti ions, V ions and Zr ions, (B) having at least 4 fluorine atoms and elements selected from Ti, Zr, Si, Hf, Al and B, (C) has active hydrogen-containing amino, epoxy, vinyl, mercapto and methacryloxy Silane coupling agent with selected reactive functional groups, and (D) aqueous emulsification using resin selected from cationic or nonionic polyurethane resin, acrylic resin, epoxy resin, polyester resin and polyamide resin as the resin component Resin composition for surface treatment of metal materials and method for surface treatment of metal materials using the same.

The invention relates to a composition for protecting metal surfaces, in particular to a preparation method of an environmentally friendly anticorrosive fingerprint resistant paint for metal surfaces. The composition contains an A component and a B component, the A component takes waterborne epoxy resin as a matrix resin and nano-silica, a silane coupling agent, microcrystalline wax disperse liquid, zirconium complex, deionized water, defoamer and a levelling agent are added, thus obtaining the A component; the B component contains a waterborne epoxy modified amine curing agent and a certain quantity of epoxy curing promoter. The two components are mixed and stirred evenly at a ratio of 4:1 to 3:1 to form the environmentally friendly anticorrosive fingerprint resistant paint for metal surfaces. After coating, metal can be heated by going through a baking channel at a certain temperature, the film forming time can be controlled by adjusting the heating period and finally a transparent coating layer which has quite good anticorrosive protection function over metal and fingerprint resistant function is formed.

The present invention relates to surface treating agent for zinc coated steel plate, and is especially one kind of surface treating agent with excellent alkali resistance and solvent resistance for zinc coated steel plate. The surface treating agent is water solution, which consists of fluoric acid with 4 or more fluorine atoms and at least one of Ti, Zr and Si atome in 0.1-5.0 wt%; phsosphorus containing compounding 0.01-0.5 wt%; one or more organic silicon coupling agent with amino group containing at least one active hydrogen atom 10-20 wt%, one or more organic silane coupling agent with at least one epoxy group 25-50 wt%; at least one kind of cationic or non-ionic water soluble polyurethane resin 30-60 wt% and vanadium compound 0.1-1.0 wt%. It is used in forming protecting film with excellent performance on the surface of zinc coated steel plate.

The invention provides a compound with the structure shown in the formula (I), wherein R1 is an acrylic ester group; R2 is an isophorone group, hexyl, methyl cyclohexyl, dicyclohexyl methyl, or tolyl; R3 is a tertiary amine group; m and n are the degrees of polymerization; m is not less than 2 and not larger than 20; and n is not less than 1 and not larger than 12. The invention also provides an ultraviolet light curing coating comprising the following components of 60 to 80 parts by weight of modified polyurethane acrylic ester with the structure of the formula (I): 10 to 18 parts by weight of water, 0.3 to 0.9 part by weight of aqueous flatting agent, 5 to 9 parts by weight of aqueous cosolvent, 2 to 6 parts by weight of aqueous wax auxiliary, 1.3 to 3 parts by weight of aqueous wettingagent, 0.5 to 0.7 part by weight of aqueous antifoaming agent and 3 to 5 parts by weight of photo initiator. The ultraviolet light curing coating of the invention has the advantages of excellent fingerprint resistance property, corrosion resistance property and weatherability, and rapid curing.

Provided is a galvanizing steel strip with good conductivity, high corrosion resistance and fingerprint resistance, a surface treatment agent and a treatment method. The galvanizing steel strip is covered with a fingerprint-resistant film, wherein the film composition comprises: polyurethane and/or acrylic organic resin (A), with the weight percentage thereof being 40% to 60%; an organic silane coupling agent (Ba) containing one or more amino function groups which has at least one active hydrogen, and an organic silane coupling agent (Bb) containing at least one epoxy function group the number of which is more than one, with the weight ratio of Ba to Bb being from 0.3 to 0.5 and the weight percentage of the organic silane coupling agent being 38% to 53%; organo phosphorous compounds (C), with the weight percentage of phosphorus element being 0.01% to 0.1%; vanadium compounds (D), with the weight percentage of vanadium element being 0. 1% to 1.0%; titanium compounds or fluorine-containing titanium compounds (E), with the weight percentage of titanium element being 0. 1% to 3.0%; and polyethylene wax, with the weight percentage thereof being 1% to 3% of the film.

The invention relates to a chrome-free fingerprint resistant water-based paint which is used for coating galvanized plates and belongs to the technical field of paints. The chrome-free fingerprint resistant water-based paint is prepared by intensively and evenly mixing 5-80 parts of nano-oxide concentrated slurry, 30-75 parts of water-based polyurethane emulsion, 0.5-5 parts of metal ion, 0.05-5 parts of phosphorus and 1-5 parts of wax and then adjusting the pH. The invention provides an environment-friendly paint system which can satisfy various comprehensive properties of the galvanized plates and can ensure that the galvanized plates have excellent comprehensive properties such as corrosion resistance, fingerprint resistance, conductivity, coating property, scratch resistance, black patina resistance and the like.

The invention discloses a self-lubricating treating agent composition which contains water, colloidal silicon dioxide, sodium silicate, lubricant, inorganic inhibitor, silane coupling agent and organic resin. The invention also discloses a hot aluminum/zinc-plated sheet which comprises a hot aluminum/zinc-plated sheet substrate and a coating attached to the surface of the substrate, wherein the coating is formed by the self-lubricating treating agent composition. The invention the invention also discloses a preparation method of the hot aluminum/zinc-plated sheet, which comprises the following steps: preparing the self-lubricating treating agent composition into a coating solution, coating the coating solution on the hot aluminum/zinc-plated sheet substrate, and curing. The coating formed by curing the self-lubricating treating agent composition has favorable corrosion resistance, heat resistance, water resistance and adsorptivity, and has especially excellent fingerprint resistance and self-lubricating property.

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.

The invention belongs to the field of metal surface treatment materials, and particularly relates to a chromium-free fingerprint-resistant coating solution and a preparation method of a hot-dip aluminizing zinc plate. The coating solution is composed of the following components in parts by weight: 0.3-3 parts of phosphate, 0.6-6 parts of molybdate, 0.9-9 parts of nitrite, 0.1-5 parts of pH regulator, 5-25 parts of colloidal silicon dioxide and 10-40 parts of water-based organic resin emulsion. The weight ratio of the phosphate, molybdate and nitrite is 1:(1.5-2):(2.5-3). After being used for the hot-dip aluminizing zinc plate, the chromium-free fingerprint-resistant coating solution has the advantages of favorable corrosion resistance, favorable fingerprint resistance and environment friendliness, and can satisfy the requirements for home appliances, IT (information technology) and other industries.

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.

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.

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.

An aluminum plate (1) with a film, wherein a corrosion-resistant film ( 3) and a resin film (4); the above-mentioned corrosion-resistant film (3) contains Cr or Zr, and the adhesion amount is 10 to 50 mg/m2 in terms of Cr or Zr; the average film thickness of the above-mentioned resin film (4) is 0.05 to 0.3 μm, containing 1 to 25% by mass of lubricant relative to the total amount of the resin film; the above-mentioned aluminum plate (2) or the fine protruding part of the surface on which the above-mentioned corrosion-resistant film (3) is formed is exposed on the On the surface of the above-mentioned resin film (4); on the surface on which the above-mentioned resin film (4) is formed, when a ball-shaped terminal with a radius of 10 mm is placed at the tip and pressed with a load of 0.4 N, the above-mentioned ball-shaped terminal and the above-mentioned aluminum The surface resistance value between the material plates (2) is 1Ω or less.

Disclosed is a surface treating agent for metallic materials that can form, on the surface of metallic materials, a novel film, which can simultaneously realize, for example, heat resistance, weldability, continuous processability, electrical conductivity, fingerprint resistance, and coatability, and has excellent liquid stability. The surface treating agent for metallic materials contains a compound (A), which contains in one molecule two or more functional groups (a) represented by -SiR1R2R3 and a hydrophilic functional group (b), in which the molecular weight per functional group (b) (average molecular weight/number of functional groups) is in the range of 300 to 5000, at least one metal alkoxide (B) containing one element selected from the group consisting of Si, Ti, and Zr, at least one compound (C) selected from the group consisting of fluorine-containing compounds and phosphoric acid compounds, organic compounds (D) containing at least one hydrophilic functional group selected from the group consisting of a carboxylic acid group, a phosphonic acid group, and a sulfonic acid group, and water.

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.

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.

The invention provides a metal protecting coating. The metal protecting coating is obtained after mixing a raw material mixture uniformly, wherein the raw material mixture contains water soluble silicate, an accelerant, a silane coupling agent, a silicon oxide filler, water soluble film-forming resin and water; the accelerant is water-based emulsion of polyethylene wax and/or water-based emulsion of oxidized polyethylene wax; the silane coupling agent contains first silane derivatives shown in a formula (1) in the specification; and in the formula (1), R1, R2 and R3 are respectively methoxy or ethoxy, and n is an integer from 1 to 4. The invention also provides a hot-dipped metal material. The hot-dipped metal material comprises a hot-dipped metal substrate and a coating attached to the hot-dipped metal substrate, wherein the coating is a cured product of the metal protecting coating. Protective films formed by the metal protecting coating provided by the invention have excellent corrosion resistance, water resistance, heat resistance, fingerprint resistance and lubricating property.

A lipophilic laminate, including: a substrate made of a resin; and a lipophilic resin layer on the substrate made of a resin, wherein the lipophilic resin layer includes micro convex portions or micro concave portions in a surface thereof, and wherein an oleic acid contact angle of the surface of the lipophilic resin layer is 10° or less.

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.

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.

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.

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.