23results about How to "High surface gloss" patented technology

The invention provides a polylactic acid material environment-friendly skin-friendly natural antibacterial double-layer fabric and a preparation method thereof, and belongs to the technical field of fabrics. Polylactic acid long fibers, combed long stapled cotton yarns and antibacterial spandex are combined, a double-sided circular knitting machine is adopted for weaving, grey cloth is woven according to a designed organization structure, the grey cloth is subjected to pre-shaping, hair removal through cellulase, dyeing through reactive dye and disperse dye, liquid ammonia finishing is conducted after drying is conducted through loose drying equipment, and the antibacterial fabric is obtained. During shaping, soft oil finishing and preshrinking finishing are carried out, and the polylactic acid material environment-friendly skin-friendly natural antibacterial double-layer fabric is prepared. The polylactic acid fiber is combined with high-quality cotton yarn and antibacterial spandex, and meanwhile, the polylactic acid material environment-friendly skin-friendly natural antibacterial double-layer fabric is prepared through the special design of a weaving method and the working procedures of enzyme washing treatment, liquid ammonia treatment, silicone oil treatment and the like.

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 invention provides an apple growth promoting preparation and application thereof in promoting growth of apple seedlings and improving apple quality and wax content, and belongs to the technical field of fruit tree planting. The apple growth promoting preparation disclosed by the invention is prepared from a tea residue extract or epigallocatechin gallate, the concentration of the epigallocatechin gallate is 2 to 200 [mu] mol / L. By adopting the tea residue extract or EGCG, the plant height of the apple seedlings can be remarkably increased, the net photosynthesis of the apple seedlings is improved, and the growth of the apple seedlings and the content of wax in leaves are promoted. EGCG is sprayed in the growth period of the fruit trees, so that the leaf area of the fruit trees can be increased, the content of H2O2 in leaves is reduced, and the content of ester substances in leaf wax is increased; the fruit transverse diameter, the fruit longitudinal diameter and the single fruit weight can be increased, the fruit growth is promoted, the surface glossiness is improved, the appearance quality of the fruit is further improved, and the content of primary alcohol and ester substances in the fruit wax is remarkably increased.

The invention discloses a glue-free PET (Polyethylene Terephthalate) composite PVC (Polyvinyl Chloride) film and a preparation method thereof. The glue-free PET composite PVC film is prepared from the following components in parts by mass: 100 parts of PVC resin, 16 to 50 parts of plasticizer, 2 to 8 parts of stabilizer, 0.5 to 2 parts of processing aid, 0.5 to 2 parts of anti-ultraviolet agent and 2 to 10 parts of anti-impact modifier. According to the adhesive-free PET composite PVC film and the preparation method thereof provided by the invention, the polyester plasticizer with high molecular weight is adopted, and the anti-ultraviolet agent is compounded and added, so that the weather resistance and the ultraviolet resistance of the PVC film can be improved; and the acrylate impact modifier is adopted, so that the processability of the product and the toughness of the finished product can be improved. The PET is directly compounded in the PVC calendering production process, so that the double-sided highlight effect of the PVC film is realized, the transparency of the product is high, and the extinction problem in the industry is solved.

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 invention relates to an internal release agent of a polyester molding compound and a preparation method of the internal release agent, reactants of the internal release agent comprise 48-60 parts by weight of fatty acid, 30-40 parts by weight of epoxy resin and 0.01-0.05 part by weight of a catalyst, and the reactants further comprise 2-20 parts by weight of maleic anhydride and 0.01-0.1 part by weight of a polymerization inhibitor. The internal release agent provided by the invention is liquid or paste, can be completely dissolved in resin used in a molding compound and is easy to add, an excellent demolding effect can be achieved only by using a small amount of the internal release agent, a product prepared from the internal release agent is good in surface gloss and high in quality, and the product added with the internal release agent does not need to be polished, so that the production cost is reduced. A product needing to be sprayed can be prepared only through simple cleaning and drying treatment, and the adhesive force of the product and the primer is not affected.

The invention relates to the technical field of plastic part processing, in particular to a powder dipping process for a plastic part. A powder dipping technology for a plastic part comprises the following steps that the plastic part is subjected to sand blasting, ultrasonic oil removal, spraying and washing, spot welding, spraying and washing, preheating, powder dipping, curing and cooling, and the plastic part subjected to powder dipping is obtained; the cooling method comprises the following steps: (1) dissolving a surface treating agent in water to obtain a cooling liquid; (2) the plastic part is put into cooling liquid to be cooled, and the cooled plastic part is obtained; wherein the surface treating agent comprises the following raw materials in parts by mass: 15-25 parts of a brightening agent, 5-15 parts of an active agent, 10-20 parts of a lignin / titanium dioxide composite material and 4-8 parts of cetyl alcohol ester; the invention discloses a powder dipping process for a plastic part. The surface glossiness, the retention time, the ultraviolet resistance and the mechanical strength of the plastic part are effectively improved.

The invention discloses a mechanical chemical polishing method for titanium alloy and a titanium alloy polishing liquid. The mechanical chemical polishing method comprises: grinding and polishing the titanium alloy with a flaky aluminum oxide rough polishing liquid, and then grinding and polishing the roughly polished titanium alloy workpiece with a titanium alloy polishing liquid, wherein an oblique axis polishing machine is used for polishing, and the polishing time of the first step is controlled to be less than or equal to 60% of the polishing time of the second step; the titanium alloy polishing liquid comprises spherical aluminum oxide, flaky aluminum oxide and amorphous aluminum oxide; among the spherical aluminum oxide, alpha-alumina accounts for more than 99%; among the flaky aluminum oxide, alpha-alumina accounts for 75%-87%; and among the amorphous aluminum oxide, alpha-alumina accounts for 85%-92%; the method of the invention sequentially performs rough polishing and fine polishing with different grinding particles, and controls the polishing process, so that the invention can take into account high polishing speed, high polishing quality and long service life when mechanically polishing (accompanied by chemical polishing) the titanium alloy.

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 relates to the field of synthetic rubber and modified resin, and discloses low cis-polybutadiene rubber and a preparation method thereof, and HIPS (High Impact Polystyrene) resin and a preparation method thereof. The number-average molecular weight of the low cis-polybutadiene rubber is in three-peak distribution, the first peak number-average molecular weight is 310,000 to 360,000 g / mol, the second peak number-average molecular weight is 120,000 to 150,000 g / mol, and the third peak number-average molecular weight is 36,000 to 48,000 g / mol; wherein the peak area of the first peak is 21%-44%, the peak area of the second peak is 51%-79%, and the peak area of the third peak is 0.4%-8%; the low cis-polybutadiene rubber is coupled low cis-polybutadiene rubber. The low cis-polybutadiene rubber provided by the invention is used as a flexibilizer for preparing HIPS (High Impact Polystyrene) resin, and rubber with different particle sizes can generate a synergistic effect, so that the HIPS resin has the characteristics of high surface glossiness and high impact strength.

The invention discloses a flexographic ink and a preparation method thereof. The ink consists of the following components in parts by weight: 13-15 parts of aqueous acrylic resin, 9-12 parts of aqueous polyester resin, 10-12 parts of colorant, 7-8 parts of defoamer, 12-15 parts of modified ethyl cellulose, 3-5 parts of 2,5-furan dimethanol, 3-4 parts of polyvinyl alcohol, 2-5 parts of N-hydroxysuccinimide, 2-3 parts of ethyl lactate, 1-2 parts of fatty acid methyl ester and 50-55 parts of deionized water. According to the invention, ethyl cellulose and chitosan are mixed and then subjected to plasma treatment, and polyethylene glycol is added to react and modify in a reactor, so that the adhesion and water resistance of the ink are improved. The flexographic ink prepared by the invention has strong adhesion, good water resistance, fast surface drying speed, good gloss of ink, good leveling effect, and is environmentally friendly and safe, has a simple production process and is easy to promote.

The application provides a battery aluminum foil and a preparation method thereof, and relates to the technical field of battery aluminum foils.The preparation method is as follows: S1, hot rolling of an aluminum foil blank to obtain an aluminum foil intermediate body with a thickness of 3.5-4.1 mm; S2, multi-pass cold rolling of the aluminum foil intermediate body under ultrasonic vibration system using lubricating oil to obtain a foil rolling blank with a thickness of 0.35-0.45 mm, wherein, when the cold rolling is rolled to an intermediate pass thickness of 0.6-0.9 mm, complete recrystallization annealing is carried out under nitrogen protection, and the annealing temperature is 400-450 DEG C; S3, foil rolling of the foil rolling blank to obtain an aluminum foil with a thickness of 0.01-0.015 mm; and S4, corona treatment of the aluminum foil, coating of modified paint on the surface of the aluminum foil, drying, and obtaining of the battery aluminum foil.The battery aluminum foil has excellent electrochemical performance, high strength, and high surface roughness.

The invention discloses a glass fiber reinforced spraying-free aesthetic polycarbonate composition as well as a preparation method and application thereof, and belongs to the field of materials. The polycarbonate composition is prepared from the following raw materials in parts by weight: 50 to 78 parts of polycarbonate, 15 to 30 parts of glass fiber, 1 to 8 parts of spraying-free metal powder and 2 to 6 parts of styrene-glycidyl methacrylate copolymer, the preparation method of the styrene-glycidyl methacrylate copolymer comprises the following steps: mixing and stirring 40-80 parts of caprolactam, 20-59 parts of styrene and 0.1-1 part of glycidyl methacrylate; then adding 0.1 to 1 part of azodiisobutyronitrile, and reacting; crushing the reaction product, washing with deionized water to remove the water-soluble caprolactam solvent, washing with ethanol to remove an oily unconverted monomer, and drying to obtain a styrene-glycidyl methacrylate copolymer; the cantilever beam notch impact strength and glossiness of the polycarbonate composition material prepared by the invention are greatly improved.

The utility model relates to the technical field of furniture manufacturing, in particular to a fitting room which comprises an upper frame and a lower frame, a surrounding plate is installed between the upper frame and the lower frame, a plurality of reinforcing pipes are additionally arranged between the upper frame and the lower frame, and the reinforcing pipes are laid on the outer side of the surrounding plate and wrap the whole surrounding plate. The purpose of the application is to effectively improve the anti-collision and anti-impact performance of the fitting room, so that the fitting room is effectively prevented from being deformed due to collision in the use process.

The invention relates to a high temperature resistant and anti-aging injection molding material and a preparation method and application thereof, belonging to the technical field of polymer materials. The raw material components of the injection molding material include polycarbonate, 5-phenyltetrazolyl, isooctyl thioglycolate, high silica glass fiber, extreme pressure polyurea grease, an anti-deformation modifier and coral powder; wherein the polycarbonate, high silica glass fiber and coral powder are used to prepare a master batch; the master batch and other components are uniformly and stably foamed and molded by an injection molding machine, and the obtained product solves the product deformation and shrinkage caused by large wall thickness, effectively ensures the dimensional stability; and can have good high temperature resistance and crack resistance; demoulding is smooth, and fracture during demoulding is effectively prevented, and is suitable for lamp holder products with complex structures.

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 high-corrosion-resistance stainless steel cold plate for decoration comprises the following chemical components: less than or equal to 0.015% of C, less than or equal to 0.015% of N, 0.15%-0.30% of Si, less than or equal to 0.15% of Mn, less than or equal to 0.002% of S, 16.0%-20.0% of Cr, 0.10%-0.20% of Ni, 0.030%-0.070% of Al, 0.40%-0.70% of Nb, 1.5%-2.0% of Mo, 0.20%-0.40% of Cu, less than or equal to 0.0015% of O and the balance of Fe and inevitable impurities, wCr + 4.7 * wMo + 3.6 * wNi + 11.5 * wCu-1. 42 * wMn is more than or equal to 28 and less than or equal to 34, and wAl * wO * 106 The preparation method of the high-corrosion-resistance decorative stainless steel comprises the working procedures of smelting, continuous casting, coping, hot rolling, multi-pass cold rolling, annealing and flattening. On the premise of ensuring high surface glossiness of the material, the stainless steel has extremely high purity and more excellent corrosion resistance, a wider and harsh application environment is met, and the application field and range of the stainless steel for decoration are effectively expanded.

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 present invention relates to a polyamide high-flow conductive functional masterbatch and a preparation method thereof, and belongs to the technical field of polyimide conductive masterbatch preparation. The method comprises a polyamide carrier resin, a filler, a conductive carbon black, a flow aid, a color powder, a lubricant and a conductive aid; the flow aid is formed by reacting a reactive hyperbranched polymer formed by a hyperbranching reaction of a reactive diamine and triphenylmethane triisocyanate with terminal hydroxyl silicone oil. The present invention utilizes the low viscosity and multi-cavity characteristics of the hyperbranched resin, and its cavity not only serves as a accommodating cavity for the conductive carbon black and the conductive aid in the present invention, but also its low viscosity and the low viscosity of the carrier resin give the obtained conductive masterbatch high flowability, and the flow aid is a hyperbranched imine resin, and the branched molecular chain has good compatibility with PA6, and its molecule contains a large amount of triphenylmethane, which can well capture free radicals, thereby improving the thermal stability of PA.

The invention discloses a neutral environment-friendly metal cleaning agent, a preparation method and application, and belongs to the technical field of metal cleaning agents. The neutral environment-friendly metal cleaning agent is prepared from the following components in parts by weight: 18 to 20 parts of triethanolamine oleate, 4.4 to 5.1 parts of fatty alcohol-polyoxyethylene ether, 0.9 to 1.4 parts of a bacteriostatic agent, 0.2 to 0.5 part of polydimethylsiloxane, 1.3 to 1.8 parts of a chelating agent and 67.5 to 93.8 parts of deionized water. When the neutral environment-friendly metal cleaning agent is used for cleaning the metal surface, the cleaning effect is good, and oil stains and rust on the metal surface can be effectively removed; after being cleaned by the metal cleaning agent, the metal cleaning agent is high in surface glossiness and also has an effect of inhibiting the growth of microorganisms. The neutral environment-friendly metal cleaning agent is free of strong acid and strong alkali components, high in biodegradability and environment-friendly; the safety performance is high, safety is achieved for operators, and corrosion is avoided. The invention further provides a preparation method of the neutral environment-friendly metal cleaning agent, operation is easy, cost is low, and large-scale production is easy.

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.