438results about How to "Bright appearance" patented technology

The invention provides a fluororubber rubber compound and a preparation method thereof. The fluororubber rubber compound is prepared by mixing binary intermediate-low monney sectional fluororubber rubber, reinforcing system (MT N990 carbon black and inorganic filler), acid absorbing system (active magnesium oxide and superfine calcium hydroxide), vulcanizing system (benzyl triphenyl phosphorus chloride and bisphenol AF), releasing agent (alfux and/or carnauba wax), and multifunctional bisphenol vulcanizing composite assistant vulcanizing agent L; the obtained fluororubber rubber compound has high stretching strength, and high extending rate, increases the scorching time by improving the liquidity of the rubber, therefore, high adaptability of the rubber to different manufacture technical environments and the vulcanizing environments can be ensured, the safety in vulcanizing can be improved, and as a result, the rejection rate of the products can be reduced. The fluororubber rubber compound provided by the invention is applicable to industries such as aerospace, aviation, car, metallurgy, petrochemical industry and electron and the like.

The invention relates to a preparation method of compound thermal stabilizer in plastic processing additive and pertains to the technical field of plastic processing additive. The invention discloses a ternary hydrotalcite-rare earth-Ca/Zn innoxious compound thermal stabilizer and a preparation method thereof. The invention comprises the materials of the stabilizer such as ternary hydrotalcite, organic rare earth compound, Ca compound and Zn compound, a synthetic preparation method thereof and an optimal compounding method of ternary hydrotalcite-rare earth-Ca/Zn innoxious compound thermal stabilizer. The ternary hydrotalcite-rare earth-Ca/Zn innoxious compound thermal stabilizer provided by the invention serves as a new generation high-efficiency innoxious stabilizer, can replace the traditional lead salt and expensive organic stannum thermal stabilizer and can be widely applied to the fields of PVC pipe material, section material, wire and cable, medical instrument and membrane, etc.

The invention discloses a copper plating method of zinc alloy casting piece, which comprises the following steps: a. electrolyzing cathode to remove oil; b. activating through washing by organic acid; c. immersing in the organic acid; d. plating copper directly with bivalent copper ion density at 10-25g/L and complexing agent density at 120-350 g/L, potassium carbonate density at 10-50g/L and hydroperoxide density at 1-15mL/L; maintaining pH value between 9 and 12; adjusting pH value through 50% potassium hydroxide solution; setting the current density of cathode 0.5-2.5A/dm2 at 20-50 deg.c.

The present invention provides a nanometer TiO2 coating structure, which comprises a substrate and a nanometer TiO2 coating supported on the substrate surface. The invention further provides a preparation method of the nanometer TiO2 coating structure, wherein the substrate material is coated with a linear titanium oxygen polymer solution, and drying and sintering are performed to obtain the coating structure with the nanometer TiO2 loaded on the substrate material. According to the present invention, the nanometer TiO2 coating structure prepared from the linear titanium oxygen polymer has advantages of excellent photocatalytic effect and super-hydrophilic effect, such that the nanometer TiO2 coating structure has wide application prospects in the fields of air purification, water treatment, deodorization, antibacterial treatment, antifouling treatment, self-cleaning, and the like.

The invention relates to ancient blue and white porcelain and a production method thereof. The ancient blue and white porcelain comprises a blank body ingredient and a porcelain glaze ingredient. The production method comprises the following steps of: manufacturing a blank body, coloring matters, porcelain glaze, stained paper and applique decoration liquid; mixing a blank substrate with the coloring matters to obtain the blank body ingredient; adding an appropriate amount of water for performing ball milling; and performing iron sieving, clay squeezing, crude refining, ageing, refining, rolling molding, drying, blank trimming, line drawing, glaze applying, stained paper attaching, baking and drawing to obtain a finished product. Due to the adoption of the production method, the principle of color development from body glaze in the conventional celadon color tone is changed, part of color development pigment is added into the blank body substrate to obtain the blank body, stained paper with various historical character miracles or pictures and texts is attached to a glaze layer, the ancient blue and white porcelain obtained by one-step baking at high temperature has the advantages of stable blue tone, abundant colors, shining and smooth appearance, simple and elegant color and luster, high strength, high thermal stability, extremely small dissolved quantity of lead and cadmium, smoothness and light transmittance, safety and sanitation. The preparation method is scientific and reasonable and is suitable for mass production.

The invention discloses a butyl hot melt adhesive and a preparation method thereof. The preparation method comprises the following steps that in a high temperature kneader, the temperature is set at 130 DEG C-150 DEG C, 180-600 parts by weight of polyisobutene, 100 parts by weight of butyl rubber and 30-120 parts by weight of tackifying resin are firstly added into the kneader, the temperature is increased to 110 DEG C-130 DEG C, and stirring is performed until the materials are uniform; 450-1000 parts by weight of packing, 0-7 parts by weight of an anti-aging agent and 1-25 parts by weight of a softening agent are sequentially added, vacuumizing and stirring are performed for 0.5-2.5 hours, 20-100 parts by weight of the retained polyisobutene is added, vacuumizing and continuous stirring are performed for 0.5-2 hours, and the butyl hot melt adhesive is prepared. The butyl hot melt adhesive prepared through the method is excellent in anti-ultraviolet property and easy to construct, has the excellent adhesive property on hollow glass materials and aluminum alloy strips and can not only meet usage of hollow glass, but also be applied to the fields such as photovoltaic backboard adhesion.

The invention discloses a cobalt-containing nickel plated steel strip serving as a lithium battery shell material and a preparation method thereof. The preparation method comprises the following procedures of: (1) pretreating a base material; (2) continuously electrodepositing a nickel-cobalt alloy plating layer on the pre-treated base material; (3) carrying out diffusion annealing treatment on the nickel-cobalt alloy plating layer under a protective atmosphere like high-purity nitrogen; (4) plating a nickel-cobalt alloy plating layer on the metal subjected to the diffusion annealing treatment again; and (5) rolling the plated nickel-cobalt alloy plating layer in a cold manner. The cobalt containing nickel plated steel strip disclosed by the invention is prepared by a special process of tightly combining the nickel-cobalt alloy plating layer and a low-carbon steel strip and then electroplating the nickel-cobalt alloy plating layer and the low-carbon steel strip, shows better corrosion resistance and can be used for shell materials of primary batteries, secondary batteries and lithium ion power cells such as 18650, 26650 and the like.

The method for continuously extruding ultrahigh molecular weight polyethylene composite material by using extruder twin screw is characterized by that 100 portions of polyethylene whose molecular weight is 150-350 ten thousand, 10-30 portions of flow modifying agent, 10-20 portions of filling reinforcing agent, 0.2-5 portions of coupling agent, 0.1-5 portions of lubricating agent, 0.1-1 portions of nuclear-forming agent and 0.1-10 portions of fire-resisting agent are added into a high-speed mixing machine, mixing at 100-120 deg.C for 20-30 min. to obtain the ultrahigh molecular weight polyethylene composite granule (powder) material said material is added into a meshed equidirectional rotation extruder twi screw, and continuously formed in forming machine cylinder with 200-250 deg.c, then formed, cooled, drawn and cut to obtain the product.

The invention provides a rare earth-nickel-cobalt-boron multi-element alloy anticorrosion and wear-resistant plating, an electroplating liquid and a preparation method of the electroplating liquid. The plating is of an amorphous mingled nanocrystalline structure, and the microhardness of the plating is HV700-HV1300; and the plating comprises the following components by weight percent: 1wt%-40wt% of cobalt, 0.1wt%-1.5wt% of boron and the balance of nickel and trace rare earth. The electroplating liquid comprises the following components: 180-250g/L of nickel sulfate, 20-50g/L of cobalt sulfate, 30-60g/L of nickel chloride, 2-4g/L of dimethylamine-borane, 30-50g/L of boric acid, 0.001-2g/L of rare earth, 3-5g/L of sodium tartrate, 10-30g/L of sodium citrate or citric acid, and deionzied water which is added to achieve a metered/constant volume. The preparation method of the electroplating liquid comprises the following steps: dissolving nickel sulfate, cobalt sulfate, boric acid and nickel chloride with the deionized water and regulating the pH value; and adding sodium citrate or citric acid, sodium tartrate, rare earth and dimethylamine-borane for the constant volume and sufficiently stirring. The preparation method of electroplating liquid is simple to operate, is high in current efficiency and energy-saving and environmentally-friendly; and the plating is of the amorphous mingled nanocrystalline structure, and has bright, smooth and flaw-free appearance, extremely low porosity, high hardness and good anticorrosion and wear-resistant properties and comprehensive mechanical properties.

The invention relates to a low-temperature low-stress electroless copper plating solution. The method is mainly as follows: an accelerator, an inhibitor, a nickel ion and an anionic surfactant are added into a basic system with copper sulphate as a main salt, potassium sodium tartrate tetrahydrate as a complexing agent and formaldehyde or glyoxalic acid as a reducing agent. With the method, an electroless copper coating with bright appearance, low stress, good quality and high bonding strength can be rapidly formed through deposition under the condition of low temperature, and the electroless copper plating solution provided by the invention has the advantages of stability, low cost and suitability for industrial application.

The invention discloses a master batch composition, a compound board and a preparation method of the compound board, and a refrigeration plant. The master batch composition comprises 20-40 parts by weight of a matrix resin which is selected from HIPS (High Impact Polystyrene), 30-50 parts by weight of a flexibilizer which is selected from at least one of SBS (Styrene-Butadiene-Styrene), butadiene styrene rubber, naphthenic oil, PE-g-PS (Polythene-g-Polystyrene), POE-g-PS (Polyolefin-g-Polystyrene), EPDM-g-PS (Ethylene-Propylene-Diene Monomer-g-Polystyrene), 3-20 parts by weight of pigment, 0-10 parts by weight of a brightener, 0-3 parts by weight of an anti-light and oxygen ageing agent and 5-20 parts by weight of an antistatic agent. Thus, the master batch composition can effectively prepare a liner and can further increase the strength of the surface of the liner, increase the anti-cracking ability and particularly the resistance to chemical corrosions such as oils, cleaning agents and the like, increase the weather resistance and the surface gloss and increase the antistatic and dirt-proof functions, so that the liner is easier to clean.

The indicator comprises organic solvent with 10-40wtúÑ inorganic salt and 0.1wtúÑ-5wtúÑ chromaticity indicator without cobalt. Thus, factor of polluting environment and harming health to people is removed thoroughly. The invented product is excellent product of environment protection with low cost. Allochroic silica gel made from the invented indicator can be used in multiple regenerations.

Preparation of barley grass powder and domestic fungus powder compounded chewing tablet, and a medium short wave infrared drying method, and belongs to the field of the research and development of health-care foods. The chewing tablet is prepared by using the barley grass powder and the domestic fungus fine powder as main raw materials and recombining with other food filling agents. The chewing tablet is prepared by the steps of smashing barley grass crude powder with a PM100 planetary mill; screening the smashed barley grass crude powder with a 200-mesh screen; and mixing the barley grass micro powder and the domestic fungus fine powder with the other food filling agents according to a certain proportion, adopting wet granulation, demoulding and medium short wave infrared drying. The moisture in a final product of the chewing tablet is not higher than 7%. The chewing tablet has the functions of nutrition and health; influences on heat sensitive components during the smashing process can be reduced by employing the PM100 planetary mill, because PM100 planetary mill has large diameter of a sun wheel, high speed ratio and high efficiency; drying time is shortened; work efficiency is increased; and energy is saved by using the medium short wave infrared drying. The obtained product has stronger frangrance, relatively good conservation for flavor components, relatively low product hardness and relatively good chewiness, and is helpful for the manufacture of the product.

The invention discloses an alkaline non-cyanide zinc plating nickel alloy plating solution and an electroplating process thereof. The plating solution is prepared with hydantoin or a hydantoin derivative as a main coordination agent by adding an auxiliary coordination agent, zinc sulfate, nickel sulfate, potassium carbonate and water. The plating solution comprises 20 g-400 g/L of the main coordination agent, 5 g-300 g/L of the auxiliary coordination agent, 5 g-200 g/L of the zinc sulfate, 1 g-150 g/L of the nickel sulfate and 5 g-435 g/L of the potassium carbonate. The electroplating process of the plating solution comprises the steps of substrate pretreatment and zinc-nickel alloy electroplating. A constant current electroplating mode is adopted for zinc-nickel alloy electroplating. The electric current density is 0.5 A-5 A/dm2. The temperature of the plating solution is 30 DEG C-60 DEG C. The distance between a cathode and an anode is 0.5 cm-25 cm. The stirring speed of the plating solution is 0 rpm-3000 rpm. The electroplating time is 1 min-120 min. According to the plating solution and the electroplating process thereof, the hydantoin or the hydantoin derivative serves as the main coordination agent for the first time, and zinc-nickel alloy with the nickel content of 10 wt.%-13 wt.% is obtained through electro-deposition by using the main coordination agent and the auxiliary coordination agent in a combination mode. An obtained coating is good in corrosion resistance. The stability of the plating solution is improved immensely compared with using of a single coordination agent.

The invention provides a styrene butadiene styrene (SBS) modified bituminous waterproof sheet material and preparation technology thereof. The waterproof sheet material comprises polyester cloths, animmersion oil coating layer and a film-mulching layer. The immersion oil coating layer comprises the following materials in parts by mass: 32-52 parts of bitumen, 12-22 parts of residual oil, 9-19 parts of EPDM rubber powder, 2-7 parts of butyl rubber powder, 11-21 parts of talc powder and 5.6-10.6 parts of SBS rubber. The bitumen is the mixture of 9-19 parts of 10# bitumen and 23-33 parts of 60#bitumen. The invention is characterized by wide high temperature and low temperature resistance range, good elasticity and good hardness, is not easy to deform and is suitable for various levels of waterproofing works of roofing of industrial and civil buildings, underground, bridges, highways, swimming pools and the like in the south and in the north.

The invention discloses a high-light-transmission pure amino-acid self-thickening soft cleansing gel, which is characterized by being composed of the following raw materials: potassium cocoyl glycinate, potassium n-lauroylsarcosinate, sodium lauroyl sarcosine, potassium lauroyl taurine, sodium cocoyl malic amino-acid salts, sodium lauroyl oat amino acids, palmitoyl hydrolyzed wheat proteins, dipotassium glycyrrhizate, trimethylglycine, glycerin, sodium citrate, sodium chloride, plant essential oil and purified water, and high-consistency products are efficiently prepared by using a conventional equipment according to a cooling method. According to the invention, deficiencies in the prior art are overcome, the pure amino-acid self-thickening soft cleansing gel which is provided by the invention is convenient to prepare, good in stability, dense in foam, comfortable in skin feeling and looks shining bright and is free of preservatives; and if products are taken into the human body by accident, because body metabolic intermediate and final products of the cleansing gel are in the range of foods, so that the health is not damaged.