130results about How to "Good metallic luster" patented technology

The invention discloses organic-inorganic hybrid nanometer film coating aluminum powder pigment and a preparation method and application thereof. The preparation method comprises the followings steps: by utilizing organic-inorganic hybrid technology and taking aluminum powder pigment as nuclear, firstly performing free radical polymerization on polymerisable carbon-carbon double bond reaction monomers and polymerisable carbon-carbon double bond organosiloxane; and bonding the obtained polymer and ethyl orthosilicate with the surface of the aluminum powder pigment in a hydrolysis mode, and further coating a layer of organic-inorganic hybrid nanometer film on the surface of the aluminum powder. On the basis of maintaining the lustrousness of the aluminum powder, the prepared organic-inorganic hybrid nanometer film coating aluminum powder pigment has excellent compatibility with resin and good acid and alkaline resistance properties, simultaneously well solves the problem of 'powder falling' when the conventional aluminum powder and single-layer or two-layer costing aluminum powder pigment are applied to metallic coatings, and provides a foundation for applying modified aluminum powder pigment and developing high performance metallic coatings.

The invention provides an aqueous binding agent which has washing resistance and is used for electrochemical aluminium hot stamping, and a preparation method thereof, belonging to a binding agent composition. The aqueous binding agent comprises 40-80 parts by weight of acrylic resin emulsion (with the solid content of 40-55%), 20-40 parts by weight of acrylic resin powder and 5-20 parts by weight of ethylene-vinyl acetate copolymer (EVA) emulsion (with the solid content of 40-60%). The binding agent does not contain organic volatile component, is harmless for the human body, is an environment-friendly electrochemical aluminium hot stamping binding agent, and is especially suitable for fabric which is needed to be printed and frequently washed.

The invention discloses a preparation method for an organic/inorganic hybridization cladding aluminum composite particle, which includes mixing leafing aluminum powder and solvent alcohol evenly to be transferred to a reactor to be stirred for a period of time, then adding alcoholic solution containing an organic silicon source and an inorganic silicon source at a constant speed and mixed solution of catalyst, water and alcohol, reacting for a period of time at the constant temperature, and finally filtering, washing and vacuum drying to obtain the organic/inorganic hybridization cladding aluminum composite particle. The organic/inorganic hybridization cladding aluminum composite particle has the following advantages of being capable of scattering in hydrosolvent and the alcohol solvent well and good in compatibility with resin, keeping good metal glossy, and simultaneously having good performance for resisting acid and alkaline corrosion. The organic/inorganic hybridization cladding aluminum composite particle can be used as environment-friendly metallic pigment for water-based paint.

The invention belongs to the technical field of metal surface treatment, and especially relates to a metal surface treatment process which comprises the following process steps of: (a) surface cleaning, that is, performing surface cleaning of a metal substrate to be treated, removing attachments on the surface of the metal substrate; (b) glaze layer spraying, that is, performing atomization spraying of glaze onto the surface of the metal substrate by a spray gun or a sprayer to form a glaze layer; (c) baking and curing, that is, baking the metal substrate with the sprayed glaze layer in a baking oven so as to cure the glaze layer; (d) secondary cleaning, that is, performing secondary cleaning of the metal substrate with the sprayed glaze layer; (e) PVD coating, that is, performing PVD coating of the metal substrate with the sprayed glaze layer to form a film layer on the surface of the glaze layer so as to obtain the metal substrate finished product. The metal substrate finished product of the invention has high thickness and hardness, and thus has strong wear resistance and scratching resistance; the PVD coating provides the metal substrate finished product with good temperature change resistance and corrosion resistance, and good metal luster.

In order to provide an aluminum sheet pigment which has excellent metallic luster and close grains and has similar coating appearance with silvery fashionable luster, the invention especially provides the aluminum sheet pigment which is obtained through grinding aluminum powder in an organic solvent and is 0.025-0.07mu m in average thickness (t) and 8-30mu m in average particle diameter (D50), an aluminum sheet pigment-contained coating composite, an aluminum sheet pigment-contained printing ink composite and membranes obtained from the aluminum sheet pigment. The aluminum powder is preferentially prepared through an atomization method. A grinding machine for performing the grinding is preferentially selected to serve as a ball mill.

An ink jet recording method for recording an image having a metallic luster on a recording medium with an ink jet recording apparatus includes forming an underlayer on the recording medium by applying droplets of a first ink composition containing a first thermoplastic resin to the recording medium and also includes forming a metallic luster layer on the underlayer by applying droplets of a second ink composition containing a metal pigment and a second thermoplastic resin to the underlayer. The glass transition temperature of the first thermoplastic resin is lower than or equal to the glass transition temperature of the second thermoplastic resin. The underlayer is formed at a temperature higher than the glass transition temperature of the first thermoplastic resin.

The invention discloses a vacuum plating under-coating paint as well as a preparation method and an application of a vacuum platable PET hard thin film for IML. The vacuum plating under-coating paint is prepared from the following components: 10-30 parts of polyurethane acrylate, 5-10 parts of epoxy acrylate, 5-10 parts of modified acrylate, 0.5-2 parts of flatting agent, 1-2 parts of photoinitiator and 50-70 parts of organic solvent. The vacuum plating under-coating paint for a PET substrate is produced by evenly mixing a reactive diluent, the flatting agent and the organic solvent together, next, adding the polyurethane acrylate, the epoxy acrylate and the modified acrylate and mixing evenly, and then adding the photoinitiator at the final stage for dispersing evenly; the vacuum plating under-coating paint is applicable to preparing the vacuum platable PET hard thin film for the IML; the cost can be effectively reduced; the obtained vacuum platable PET hard thin film for the IML has certain forming tensile properties, and the outer layer of the hard thin film has high hardness and high wear resistance, while the inner layer of the same has excellent adhesion to a metal coating and a screen printing ink layer, and furthermore, the metal coating is excellent in glossiness.

The invention discloses a bismuth oxychloride crystal and a preparation method thereof, and belongs to the technical field of chemical industry. The bismuth oxychloride crystal is a lamellar crystal which is controllable in size and is in a regular square quadrilateral shape, and the size ranges from 8 micrometers to 20 micrometers. The preparation method comprises the following steps: neutralizing redundant acid in a reaction process by adopting bismuth nitrate as a raw material, providing chloride ions which form bismuth oxychloride through hydrochloric acid and adding a sodium hydroxide solution with a proper concentration to keep the proper acidity of the growth of the bismuth oxychloride crystal; carrying out hydrolysis reaction under the acidic condition that the pH is less than or equal to 1; and controlling the orientated growth of the crystal through a surface active agent to prepare the lamellar bismuth oxychloride crystal in the square quadrilateral shape. The bismuth oxychloride crystal synthesized by the method disclosed by the invention has very good brightness, metal luster and hiding power and can be widely applied to the fields of cosmetics, plastics, printing ink, automobile baking paint, and the like by being prepared into pearly slurry.

The invention discloses a free-spraying metallic-luster injection molding process for car interior trim parts and exterior parts. The free-spraying metallic-luster injection molding process comprises the following steps: adding metal powder into a raw material which is a plastic base material, and arranging a random water path close to a mould cavity of an injection mould with the high surface quality and the small thermal deformation to enable the surface temperature of the mould to be uniform; pouring the mould by adopting a hooked pouring gate, a pin-point gate and a side pouring gate; controlling the temperature of the surface of the mould in an injection-molding process; and pouring by adopting one or more pouring gates by adopting a high-pressure low-speed injection molding technique, a low-pressure high-speed injection molding technique or a normal-pressure normal-speed injection molding technique, and a sequential injection molding process, wherein the pouring gates adopt a needle valve type pouring gates. The parts produced by adopting the free-spraying metallic-luster injection molding process have no flow marks and solution marks on surfaces, have the good metallic luster and can be used for car interior trim parts and exterior parts.

The invention provides a metal key-press which comprises key-press material and patterns or characters positioned on the key-press material, wherein the key-press material is made of metal powders through a powder metallurgy method, and the Rockwell hardness of the key-press material is HRC20-40. In the invention, as the key-press is metallically prepared by metal powders, the produced key-press has metal texture and is resistant in abrasion; besides, as the metallic coating step is not needed by the metal key-press, the preparation technology is simple.

The invention discloses a method for preparing an environmental-friendly waterborne ceramic coating. The environmental-friendly waterborne ceramic coating is prepared from a base stock, a filler, deionized water and an additive, wherein the base stock is mainly liquid silicate, the filler is mainly aluminium powder, and the aluminium powder is pretreated to improve the stability of the coating tothe great degree; and the additive is mainly prepared from a coupling agent, a corrosion inhibitor, a thixotropic agent, a surfactant, a defoaming agent and the like, and the environmental-friendly waterborne ceramic coating is prepared through the processes of stirring and sanding. The environmental-friendly waterborne ceramic coating has the characteristics of being environmental-friendly, non-toxic, free of pungent odour, low in VOC emission, simple in construction procedure, and widely applied in multiple fields. The environmental-friendly waterborne ceramic coating has high surface adaptability to the base stock, the adhesive force of the coating is strong, and the environmental-friendly waterborne ceramic coating has good metal luster and high performances of self repairing, high temperature resistance, salt fog resistance, abrasion resistance, corrosion resistance, thermal shock resistance, static electricity resistance, mildew resistance and water resistance, and the like.

The invention discloses a gas shielded welding wire and a preparation method thereof. The welding wire comprises the following components of, in percentage by weight, 1.40% to 1.80% of Mn; 2.00% to 3.00% of Ni; 0.30% to 0.65% of Mo; greater than 0 and less than or equal to 0.10% of C; greater than 0 and less than or equal to 0.60% of Si; greater than 0 and less than or equal to 0.010% of S; greater than 0 and less than or equal to 0.010% of P; greater than 0 and less than or equal to 0.60% of Cr; greater than 0 and less than or equal to 0.35% of Cu; greater than 0 and less than or equal to 0.005% of Ti; greater than 0 and less than or equal to 0.005% of V; and the balance Fe and other impurities. The preparation method comprises the following steps of (a) preparing a disc strip according to the formula of the welding wire, and then drawing the disc strip roughly; (b) annealing the disc strip treated in the step (a) to remove an oxidation layer on the surface of the disc strip; (c) roughly drawing the disc strip treated in the step (b) again to a certain specification; and (d) finely drawing the disc strip treated in the step (c), plating copper on the surface of the disc strip, andwinding the disc strip. According to the gas shielded welding wire, through a reasonable welding process, the tensile strength of weld metal is greater than 810 MPa and the yield strength is larger than 755 MPa, which is close the mechanical property of a base material, and meets the mechanical property requirement of the bridge steel Q690qE.

The invention discloses an aluminum alloy material capable of being molded by high-speed extrusion, which comprises the following components in percentage by weight: 0.11-0.15% of Mn, 0.11-0.15% of Cu, 0.38-0.46% of Si, 0.47-0.55% of Mg, 0-0.25% of Fe, 0-0.02% of Cr, 0-0.02% of Zn, 0-0.02% of Ti, and the balance of Al. The invention also discloses a preparation method of the aluminum alloy material capable of being molded by high-speed extrusion; and compared with traditional aluminum alloy 6063, the speed for extruding sectional materials by the aluminum alloy material can be improved greatly, and the production efficiency of the aluminum alloy sectional material can be enhanced remarkably.

The invention discloses metal ink and a preparation method thereof. The metal ink is prepared from the following raw materials in parts by weight: 30-50 parts of high-purity iron phosphate, 1-6 parts of a dispersing agent, 10-18 parts of ester compounds and 30-50 parts of a solvent. The preparation method of the metal ink is simple in technology and easy to implement; the prepared metal ink is good in fluidity during spray ink printing; ink droplets are evenly dispersed onto a green body, the absorption effect of an ink layer and the green body is good, and the fired ink layer is uniform in color and has good metallic luster.