8results about How to "High surface gloss" patented technology

This invention discloses a manufacturing process for composite 7-series aluminum alloy sheets. The composite 7-series aluminum alloy sheets are formed by laminating and rolling multiple layers of 7-series aluminum alloy sheets and multiple layers of 1-series aluminum alloy connecting plates. The 7-series aluminum alloy sheets are composed of the following components by weight percentage: Si: ≤0.22%, Cr: ≤0.23%, Fe: ≤0.35%, Cu: 2.0-3.5%, Mg: 3.5-4.5%, Zn: 6.5-10.0%, Ti: 0.015-0.2%, Zr: 0.05-0.15%, rare earth cerium alloy: 0.015-0.05%, total impurities ≤0.1%, and the remainder being aluminum. This invention uses a lamination method to roll multiple layers of 7-series aluminum alloy sheets and multiple layers of 1-series aluminum alloy connecting plates, which effectively improves plasticity, toughness, and strength. Compared with existing single 7-series materials, it has higher material strength, better impact resistance and weldability, can adapt to corrosion resistance in complex environments, and extends service life.

The application relates to the technical field of powder coating, in particular to a powder coating suitable for laser curing and a preparation method and application thereof. The powder coating for laser curing comprises the following components in parts by weight: resin, curing agent and heat-conducting agent, and other components; the mass ratio of the resin, the curing agent and the heat-conducting agent is 50-90:510:510; the heat-conducting agent is selected from two or more of graphene oxide, nano-aluminum oxide, carbon nanotubes, aluminum nitride and hexagonal boron nitride. The powder coating for laser curing of the application has excellent surface gloss, flatness and substrate adhesion after laser curing, and has good chemical corrosion resistance, and can realize a curing effect equivalent to that of current conventional thermal curing, and has significant application value in the fields of decoration and protection.

The application belongs to the technical field of polyphenylene sulfide materials, and discloses a high-light black bright polyphenylene sulfide material and a preparation method and application thereof.Raw materials of the application are as follows: 40-77 parts of polyphenylene sulfide resin, 20-50 parts of glass fiber, 2-10 parts of black sand, 1-5 parts of a compatilizer, 0.1-0.3 parts of a dispersing agent, 0.1-0.5 parts of a lubricant, and 0.1-0.3 parts of a coupling agent.The polyphenylene sulfide material is made darker by adding the black sand, and is made brighter by adding the black sand, the lubricant and the dispersing agent, and the black sand simultaneously increases the blackness and the brightness, thereby improving the surface gloss of the polyphenylene sulfide material, and simultaneously making the polyphenylene sulfide material have high toughness and high rigidity.

The invention provides a high-gloss ABS (Acrylonitrile Butadiene Styrene) composite material and a preparation method thereof, and relates to the technical field of ABS materials. The composite material provided by the invention is prepared from the following components in parts by mass: 80 to 90 parts of ABS (Acrylonitrile Butadiene Styrene) resin, 10 to 20 parts of PBT (Polybutylene Terephthalate) resin, 5 to 15 parts of brominated flame retardant, 3 to 5 parts of compatilizer, 1 to 3 parts of modified antimony pentoxide flame-retardant aid, 1 to 2 parts of stabilizer and 0.5 to 1 part of lubricant, wherein the modified antimony pentoxide flame-retardant additive comprises antimony pentoxide particles and silver nanoparticles grown on the surfaces of the antimony pentoxide particles in situ. According to the invention, the surface of antimony pentoxide is modified with the silver nano layer, so that the flame retardant property and surface glossiness of the composite material can be synergistically improved.

This invention discloses a method for controlling the gloss of copper alloys based on the coordinated regulation of rolling oil spray volume and speed, belonging to the field of tin-phosphorus bronze alloy processing technology. The key technical points include the following steps: S1. Preparing a copper alloy billet; S2. Annealing and milling the copper alloy billet; S3. Rough rolling the milled billet; S4. Trimming the strip after rough rolling in step S3; S5. Performing multiple passes of intermediate rolling on the annealed strip after step S4, followed by cold rolling in the final finishing pass; S6. Straightening and bending the strip after cold rolling in the final finishing pass of step S5, and finally shearing to obtain the finished product. In the final finishing pass cold rolling in step S5, the oil film thickness on the strip surface is adjusted by coordinating the rolling speed and the amount of rolling oil spray, thereby precisely controlling the target gloss. This method can precisely control the gloss of copper alloys, allowing for adjustment according to requirements, improving production quality and efficiency.

The invention discloses an anti-warping metal spraying-free PC / ABS (Polycarbonate / Acrylonitrile Butadiene Styrene) alloy material and a preparation method thereof. According to the PC / ABS alloy material disclosed by the invention, the PC with high and low melt index is compounded in the components of the PC / ABS alloy material, so that the buckling deformation of the material is reduced, the excellent bending modulus and impact strength of the material are kept, and the rigidity, dimensional stability and processability of the material are remarkably improved; moreover, by adopting the specific talcum powder subjected to surface treatment by the silane coupling agent, the flexibilizer and the lubricant, the rigidity, the dimensional stability and the surface glossiness of the alloy material are further improved, and meanwhile, the spot defect of metal appearance is avoided. In addition, the vacuum degree in the alloy material machining process is optimized, small molecule volatile matter is removed, and the color difference after aging is reduced. The PC / ABS alloy material prepared by the invention not only has a good appearance effect of imitating metal spraying, but also has excellent rigidity, dimensional stability, surface glossiness, flame retardance and ageing resistance.

The application provides a kind of ultraviolet light resistant polyamide resin composition and its preparation method, the ultraviolet light resistant polyamide resin composition includes polyamide 66 resin and weather resistant master batch, the weather resistant master batch includes polyamide base material and anti-ultraviolet auxiliary agent, the anti-ultraviolet auxiliary agent includes light shielding agent, ultraviolet stabilizer and quenching agent;Three kinds of anti-ultraviolet auxiliary agent are selected by light shielding agent, ultraviolet stabilizer and quenching agent, and are mixed with polyamide 66 resin after being made into weather resistant master batch with polyamide base material preferentially, effectively improve the dispersion uniformity of anti-ultraviolet auxiliary agent in polyamide 66 resin, so that the obtained polyamide resin composition not only has excellent anti-ultraviolet aging performance, and appearance is good, also has good dimensional stability.

The application discloses a cold-rolled hot-dip galvanized steel plate with high surface gloss, which comprises a steel base plate, a hot-dip galvanized layer and a transition layer between the steel base plate and the hot-dip galvanized layer; the transition layer comprises zinc-iron intermetallic compounds, and the average thickness of the transition layer is 2-30% of the thickness of the hot-dip galvanized layer; the grains in the hot-dip galvanized layer are in an equiaxed crystal morphology, and the average grain size is less than 30% of the thickness of the hot-dip galvanized layer; the steel base plate contains Fe and inevitable impurities, and further contains the following chemical elements with mass percentage as follows: C: 0.001-0.06%, Mn: 0.15-1.5%, P: 0.02-0.07%, Nb: 0-0.03%, and Ti: 0-0.03%. Correspondingly, the application further discloses a manufacturing method of the cold-rolled hot-dip galvanized steel plate, which comprises the following steps: (1) preparing a steel base plate; (2) continuous annealing; and (3) hot-dip galvanizing. The cold-rolled hot-dip galvanized steel plate prepared by the application has excellent performance, and has the advantages of high surface reflectivity, high formability, low cost and the like.