32results about How to "Improve fingerprint resistance" patented technology

The invention discloses a chromium-free self-lubricating passivation solution and a preparation method thereof. The chromium-free self-lubricating passivation solution is formed by compounding the following compositions in percentage by weight: 8%-12% of water-borne epoxy resin, 0.5%-1% of curing agent, 10%-15% of silane coupling agent, 0.5%-1% of inorganic component, 2%-4% of solid lubricant, 1%-2% of friction modifier, 0.5%-1% of anti-wear agent, 0.5%-1% of anti-sinking agent, and 60%-75% of diluting agent. The inorganic component is one or a combination of Ce(NO3)3 and sodium molybdate, the solid lubricant is one or a combination of two or more of polytetrafluoroethylene, polyethylene wax, polyethylene, molybdenum disulfide and graphite, the friction modifier is self-synthesized molybdenum dialkyldithiophosphate, the anti-wear agent is one or a combination of nanosilicon dioxide and nano aluminum oxide, the anti-sinking agent is attapulgite, and the diluting agent is a mixture of water and ethanol. A plate product coated with passivation solution has the advantages of being pollution-free, low-friction, anti-oxidized, anti-wear and extreme pressure-resistant, corrosion-resistant, finger-resistant, having good mechanical performance and the like, and the passivation solution can be directly coated on the surfaces of a zinc-plated plate and parts of certain mechanical equipment for use.

The invention discloses an organic and inorganic compound passivation solution and a passivation method. The passivation solution comprises, by mass, 20.0-35.0% of citric acid, 5.0-15.0% of phytic acid, 0.5-2.0% of cerous nitrate, 2.0-3.0% of sodium molybdate, 2.0-3.0% of triethanolamine, 1.0-5.0% of nanometer silicon sol dispersion liquid, 1.0-5.0% of water-borne acrylate, 1.0-5.0% of gama-(2,3-epoxy propoxy) propyl trimethoxy silane, 2.0-10.0% of sodium dodecyl sulfate and the balance water. The passivation method comprises the steps of stainless steel product pretreatment, surface acid passivation, cleaning, drying and the like. The compound passivation solution does not contain nitric acid or chromate, pollution to environment is greatly decreased, and meanwhile, the passivation effectof the traditional nitric acid and chromate technique can be achieved.

The invention discloses a fingerprint-resistant paint and a preparation method thereof. The fingerprint-resistant paint comprises the following components in parts by weight: 50-60 parts of acrylic resin emulsion (solid content is 45%), 5-8 parts of silicasol, 4-7 parts of mixed wax slurry, 0.2-1 part of defoaming and leveling agent, 4-6 parts of film-forming cosolvent and 30-40 parts of deionized water. The fingerprint-resistant paint takes water as the main solution, and is added with aqueous high-molecular organic substances which have superior properties and are harmless to human bodies. A low surface tension structure is formed on surface of the added filler and the paint film, thereby greatly enhancing the fingerprint resistance of the steel sheet. The fingerprint-resistant paint can be coated on the surface of a hot galvanized steel sheet or electrogalvanized steel sheet in a mode of dip coating, curtain coating, roller coating, gasket coating or the like, so that fingerprints can not be attached to the surface. In addition, the paint is environment-friendly.

The invention relates to the field of preparation of sealants and provides a high-hardness scratch-proof and fingerprint-resistant sealant on a metal surface. Raw materials of the sealant at least comprise a water-based resin, water-borne silicone oil, fatty alcohol polyether, an alkali reagent and a solvent. The invention furthermore provides a preparation method and a using method of the sealant.

The present invention relates to a transparent substrate having reinforced surfaces and a method for manufacturing same, and more specifically, to a transparent substrate having reinforced surfaces and a method for manufacturing same, which is capable of significantly improving surface hardness by treating the surfaces with a silsesquioxane complex polymer including, in a single polymer, a silsesquioxane ladder chain and a cage-type silsesquioxane which have a specific structure, and which has improved fingerprint resistance, scratch resistance, pollution resistance, heat resistance, light transmission, and haze characteristics.

The invention discloses a photo-cured urethane acrylate aqueous dispersion and a preparation method thereof, the method comprises the following steps: reacting double-terminal epoxy organic silicone oil with single-terminal carboxyl organic silicone oil to obtain a hydroxyl-containing modified organic silicon intermediate A; reacting a caprolactone monomer with hydroxyl-containing acrylate to obtain a hydroxyl-containing modified acrylate monomer B; mixing diisocyanate, dimethylolpropionic acid and the hydroxyl-containing modified organic silicon intermediate A, and performing a reaction to obtain an organic silicon grafted polyurethane prepolymer; adding a polymerization inhibitor, an antioxidant and a hydroxyl-containing modified acrylate monomer B into the organosilicone grafted polyurethane prepolymer, and performing a reaction to obtain terminated urethane acrylate; and adding organic amine and deionized water into the terminated urethane acrylate, and performing a reaction to obtain the photo-cured urethane acrylate aqueous dispersion. After a paint film is formed by the product, the product is strong and durable in stain resistance and graffiti resistance, and has good elastic hand feeling and adhesion resistance.

The invention discloses a zinc-aluminum-magnesium plating layer surface treating agent as well as a preparation method and a use method thereof, and belongs to the technical field of zinc-aluminum-magnesium alloy plating layer steel plate surface treatment. In order to meet the requirements of household appliances and automobile users on blackening resistance and environmental friendliness of hot-dip galvanized aluminum-magnesium alloy coated steel plates, the invention provides a zinc-aluminum-magnesium plating layer surface treating agent which comprises 1-5 parts of fluoride, 3-10 parts ofperiodate, 0.5-5 parts of weakly alkaline medium, 20-50 parts of water-based organic resin, 5-15 parts of colloidal silicon dioxide and 100 parts of water. Fluoride and periodate react with Mg on thesurface of a plating layer under the weak alkaline condition to generate a compact film layer, water-based organic resin adheres to the surface of the plating layer, gaps are filled with colloidal silicon dioxide, contact between the plating layer and water vapor and oxygen in the environment is effectively hindered, and the corrosion resistance, blackening resistance, water resistance and fingerprint resistance of the surface coating are remarkably improved.

The invention belongs to the technical field of steel structure surface modification, and particularly relates to a fingerprint-resistance layer for a goods shelf and a preparing method. The fingerprint-resistance layer is composed of a fingerprint-resistance coating layer and an epoxy resin coating layer; the epoxy resin coating layer coats the steel surface of a carbon structure of the goods shelf, and the fingerprint-resistance coating layer coats the epoxy resin coating layer. The goods shelf member coated with the epoxy resin coating layer is coated with the fingerprint-resistance coatinglayer, the defects that traditional fingerprint-resistance coatings or coatings directly coat galvanized steel sheets, thus zinc layers for production of goods shelves are easily molten, the connecting strength of welding points is lowered, and shedding easily occurs are overcome, and the weather fastness, wear resistance and fingerprint resistance of the surface of the goods shelf are improved.

The invention relates to a modified PC hardening liquid formula and a preparation method thereof. The formula comprises 40-60 parts of urethane acrylate, 12-18 parts of an ester solvent, 8-12 parts ofan alcohol solvent, 4-6 parts of a photosensitizer and 1.6-2.4 parts of a leveling agent. The method comprises the following steps: putting urethane acrylate into a container; adding a photosensitizer; adding an ester solvent, and soaking; adding an alcohol solvent, and stirring by using a high-speed stirrer; and finally, adding a proper amount of leveling agent, stirring, standing and packaging.The formula has the beneficial effects that the effects of scratch resistance, dirt resistance, fingerprint resistance and the like are improved; meanwhile, the light transmittance of the base material is also integrally improved and the energy loss and the environmental pollution are reduced so that the energy-saving and environment-friendly effects of the base material are achieved; use is convenient, cost is low, the effect is good, and wide application and popularization are facilitated; the raw materials are scientific and environment-friendly, the production process is simple and the product is easy to process.

A metal article whose surface is coated with a coating composition composed of (A) a silane coupling agent component, (B) a polymer component having a specific chemical structure, and (C) a wax component provides a chromium-free surface treated metal material with superior corrosion resistance, paintability, fingerprint resistance, and workability.