92results about How to "Strong friction resistance" patented technology

The invention relates to a spinning adhesive liner and relative production, comprising that: preparing needed pattern on the treated base cloth via transfer or screen printing method; secondary treating and feeding it into special coating machine; to coat thermal-sensitive adhesive resin on the base cloth, with slurry point and single point, to obtain the target printed adhesive liner; using thermal rolling method to adhere the printed liner with face fabric to obtain clothes material.

The invention discloses a bamboo-plastic composite material and its preparing process, wherein the composite material comprises the following constituents (by weight portions): PVC 100, bamboo powder 30-80, coupling agent 0.5-2%, heat stabilizer 0.5-4, lubricating agent 0.2-2%, foaming agent 0.2-0.8, and foaming regulation agent 3-12.

The invention discloses a split-type sealing ring. The sealing ring is characterized in that the sealing ring is formed by inserting combination of two separate halves, the two separate halves are assembled into the complete sealing ring through inserting grooves and limiting rods which are matched with inserting grooves, inserting grooves and limiting rods are formed on abut joint faces of the sealing ring, and the sealing ring is made of any combination of carbon tungsten alloys, silicon carbide and carbon graphite according to application requirements. The split-type sealing ring has the advantages that the structure is simple, the machining is simple, and the cost is low; the sealing ring is made of free combinations of carbon tungsten alloys, the silicon carbide and the carbon graphite according to application requirements and is high in corrosion resistance, capable of achieving different purposes, few in limitation, wide in application range and long in service life; and the split-type design is adopted, so that the sealing ring can be taken down from a long shaft or a thick shaft conveniently and quickly and is convenient to use, the workload is effectively reduced, and the production efficiency of an enterprise is improved.

The invention relates to a strawberry-shaped super-hydrophobic composite microsphere and application thereof. The microsphere is prepared through the following steps that (1) an amino polystyrene microsphere, ethyl alcohol, ethyl orthosilicate and distilled water are added into a reactor, and take a reaction for 24h at room temperature; the product is washed with ethyl alcohol; after vacuum drying is performed, a strawberry-shaped composite microsphere is obtained; (2) the strawberry-shaped composite microsphere, a solvent and a silane coupling agent are added into the reactor; the reaction is performed for 5 to 15h under the condition of 25 DEG C to 100 DEG C; the product is centrifuged to obtain the strawberry-shaped super-hydrophobic composite microsphere. The strawberry-shaped super-hydrophobic composite microsphere and epoxy resin are matched to be used as a super-hydrophobic coating; the excellent and stable super-hydrophobic performance is realized; muddy water is splashed on the prepared super-hydrophobic surface; the super-hydrophobic surface cannot be polluted by the muddy water, so that the self cleaning function of the surface is realized.

The present invention relates to slurry for printing wallpaper, and in particular to special slurry for printing wallpaper having a 3D stereo transparent streamer effect and a preparation method for the special slurry. The present invention provides special slurry for printing wallpaper having the 3D stereo transparent streamer effect. The slurry is mainly prepared by the following raw materials in parts by weight: 5-20 parts of dioctyl phthalate, 30-50 parts of polyvinyl chloride paste resins, 1-2 parts of a foaming agent, 1-5 parts of D80 environmental-friendly solvent oil, 10-30 parts of calcium carbonate, 10-30 parts of a plasticizer, 1-5 parts of a stabilizer, 5-8 parts of a VAE emulsion, 5-20 parts of titanium dioxide, 1-3 parts of a thickener and 1-3 parts of a drying speed regulator. The adhesive force of the slurry provided by the present invention is strong; meanwhile, the transparency effect can be displayed. The slurry is suitable for performing an embedding process on gold powder, silver powder and pearl powder in a gold spraying process, and can wrap up the gold powder, silver powder and pearl powder to promote the level of the wallpaper and prolong the service life of the wallpaper.

The invention relates to the field of waterproof roll materials, and particularly relates to a super weather-proof composite waterproof roll material. The super weather-proof composite waterproof roll material comprises a bonding and sealing adhesive layer and an isolating film protection layer, and also comprises a super weather-proof polymeric film layer, wherein the super weather-proof polymeric film layer, the bonding and sealing adhesive layer and the isolating film protection layer are sequentially arranged from top to bottom and are adhered into a whole in a hot pressing way. The hot pressing temperature is 30 to 220 DEG C, includes but is not limited to 30 to 220 DEG C, and can be adjusted according to factors such as specific production equipment and a hot pressing technology. The bonding and sealing adhesive layer is compounded with the a super weather-proof polymeric film structure, so that the structure has high environmental resistance, corrosion resistance, high strength and high toughness, good dimensional stability, and high impact resistance and puncture resistance, does not need to be protected by cement and mortar, and can be constructed in various environments.

The invention discloses an RE-Ni-Mo/GO nano composite deposition liquid. Each liter of the deposition liquid comprises 0.25-5g of graphene oxide, 45-55g of nickel sulfate, 4-10g of sodium molybdate, 55-65g of trisodium citrate, 0.2g of lauryl sodium sulfate, 0.1-5g of a rare earth element RE and the balance of distilled water. The invention further discloses a method for forming an RE-Ni-Mo/GO multifunctional nano composite deposition layer on the surface of low-carbon steel. By adopting the composite deposition liquid and with the combination of ultrasonic wave and electric deposition techniques, the RE-Ni-Mo/GO multifunctional nano composite deposition layer can be prepared on the surface of low-carbon steel. By adopting the composite deposition layer prepared by using the method disclosed by the invention, the corrosion resistance, the surface hardness, the wearing resistance, the breaking strength and the like of the low-carbon steel are effectively improved, and moreover, the difficulty that powder micro particles can be agglomerated in conventional composite electric deposition.

The invention belongs to the technical field of corrosion-resistant coatings, and particularly relates to waterborne nano long-acting corrosion-resistant finishing coat and a preparation method thereof. The finishing coat consists of a component A and a component B. The component A consists of the following raw materials in parts by weight: 30-40 parts of acrylic acid modified polyurethane emulsion, 10-20 parts of modified nano silicon dioxide sol, 0.5-1 part of a defoaming agent, 0.3-0.8 part of a leveling agent, 5-10 parts of a cosolvent, 0.5-1 part of a thickening agent, 1-3 parts of a wetting agent and the balance of deionized water. The component B is a waterborne curing agent. The waterborne nano long-acting corrosion-resistant finishing coat has the advantages of long-lasting and excellent corrosion resistance, high substrate adhesion, high hardness, excellent friction resistance, excellent salt fog resistance, high construction adaptability and the like. The preparation method is simple, the cost is low, operation is facilitated, the waterborne nano long-acting corrosion-resistant finishing coat is environmentally friendly and pollution-free, a coated film is dry quickly, and the construction period is short.

The invention belongs to the technical field of anticorrosive coating, and in particular, relates to a metal substrate long-lasting anticorrosive inter-coat and a preparation method thereof, wherein the inter-coat is composed of a component A and a component B, and the component A is composed of the following raw materials in parts by weight: 50-60 parts of an epoxy-organosilicone resin modified acrylic resin emulsion, 12-18 parts of functionalized modified graphene, 10-20 parts of a filler, 8-15 parts of a cosolvent, 0.1-0.5 part of a defoamer, 0.5-1 part of a leveling agent, 0.3-0.8 part ofa water-based drier, 0.3-0.8 part of a thickener, 0.5-1 part of a wetting agent, and 30-35 parts of deionized water; the component B is composed of the components in parts by weight: 40-50 parts of anisocyanate curing agent, and 10-20 parts of a cosolvent. The inter-coat has the advantages of long-term excellent anticorrosive performance, strong adhesion force of the substrate, high mechanical strength, excellent friction resistance, excellent salt spray resistance, good water resistance, chemical resistance, oil resistance and impact resistance, high construction adaptability and the like.

The invention relates to the preparation method of multi-wall nanometer carbon tube conductive material for switch contact device which comprises the steps of, (1) subjecting the multiple wall carbon nano tube to modification treatment, mixing nitric acid and sulfuric acid by the weight ratio of 1:3, heating the prepared acid solution to 150 deg. C, backflowing and distilled water is used for scouring to neutrality, drying, high speed ball grinding 3 hours, obtaining modified nano carbon tube, (21) subjecting the modified carbon nano tube to silver-doping modification treatment, immersing into SnCl2 solution, loading into AgNO3 solution for ultrasonic oscillation, charging in ammonia and formaldehyde, finally pumping and washing to neutrality with distilled water, drying so as to obtain silver-doped modified nano carbon tube, (3) charging pnenolic aldehyde organic adhesive, thermally pressing into solid blocks, charring at 850 deg. C in retorts.

The invention discloses a resin eyeglass, a lens anti-fog device, a preparation method and applications thereof. The resin eyeglass comprises a resin substrate, a priming layer, a bedding layer, a conductive layer, an anti-oxidation layer, and a protective layer, wherein the priming layer, the bedding layer, the conductive layer, the anti-oxidation layer, and the protective layer are adhered on the resin substrate in sequence, the priming layer is a silicon monoxide film with a thickness of 10 to 20 nm; the bedding layer is a zinc oxide film, a titanium film or a nickel-chromium alloy film; the conductive layer is a conductive metal film with a thickness of 5 to 15 nm; and the anti-oxidation layer is an anti-oxidation material film with a thickness of 1 to 5 nm. The lens anti-fog device comprises one provided resin eyeglass, a positive electrode, and a negative electrode, wherein the positive electrode and the negative electrode are arranged on two ends of the resin eyeglass respectively. The provided resin eyeglass has the advantages of good electro-conductive performance, anti-reflection effect, and anti-oxidation effect, moreover, the preparation method is simple, the production efficiency is high, and the yield of plating is high. The provided lens anti-fog device can be connected to a power supply to heat the film so as to prevent water steam from forming fog on the surface of lens.

The invention relates to the field of packing and printing, and especially relates to a printing ink with a tough effect and a surface finishing technology for paper packing boxes. The printing ink comprises following raw materials in percentage by weight: 43 to 53% of polyurethane resin, 15 to 25% of epoxy resin, 3 to 6% of tri(propylene glycol) diacrylate, 3 to 6% of polyethylene wax, 1 to 3% ofphoto initiator TPO, 1 to 3% of photo initiator 369, 4 to 10% of silica, 4 to 8% of talcum powder, and 6 to 10% of bentonite. The printing ink is used to decorate the surface of a paper packing box by the provided surface finishing technology. The surface of the processed paper packing box has dark luster. People can feel flannelette touch when touching the surface of the paper packing box. The appearance of the paper packing box is upgraded, and the wear resistant performance of the surface of the paper packing box is strengthened.

The invention discloses a printed adhesive interlining. The printed adhesive interlining comprises base cloth, one face of the base cloth is printed with printing patterns, the other face of the base cloth is coated with a hot melt adhesive, and the coating amount of the hot melt adhesive ranges from 8 g/m<2> to 15 g/m<2>. The invention further discloses a preparation method of the printed adhesive interlining. The prepared printed adhesive interlining can be directly bound with fabric into a whole without sewing, stress is even, and high washing resistance and friction resistance are achieved. Meanwhile, due to the fact that the stiffness of the adhesive interlining is high, the draping sense of clothes is higher. Due to the attractiveness of the printed adhesive interlining, the diversity of clothes wearing is increased.

A manipulation device is for wheelchair footrests that have a pair of shafts (8) extending forwards from opposite forward sides of the main frame (2) and a pair of foot plates (9) pivoted at lateral portions to the shafts. This device has manual levers (21) at the forward sides and actuating means (40) that connects the levers (21) to foot plates (9) and consists of a resilient tube (41), a metal wire (42) and a setting retainer (43) for securing the tube to the wire. The tube (41) can elongate in response to an extraordinary tension exceeding a normal stress imparted to said tube, and the wire (42) loosely inserted in the tube (41) can alter an exposed length. An end of each wire (42) is connected to the foot plate (9) at its rear portion located near the shaft (8) pivoting the foot plate. An end of each tube (41) is connected to the manual lever (21) operating to pull up the tube (41) with the wire (42) such that the foot plate (9) rotates and rises to the upright idle position.

The invention discloses a composite conductive film and a preparation method and application thereof. The composite conductive film sequentially comprises a priming coating layer, an underlay layer, a conductive layer, an anti-oxidation layer, and a protection layer. The priming coating layer is a silicon monoxide film layer, and the thickness of the priming coating layer is from 10nm to 20nm. The underlay layer is a zinc oxide film layer, a titanium film layer or a nichrome alloy film layer. The conductive layer is a conductive metal film layer, and the thickness of the conductive layer is from 5nm to 15nm. The anti-oxidation layer is an anti-oxidation material film layer, and the thickness of the anti-oxidation layer is from 1nm to 5nm. The composite conductive film can be prepared through a conventional plating method, and is applied to a video glasses display screen. The composite conductive film achieves good conductivity, a good anti-reflection effect and a good anti-oxidation effect through the specified selection of the film layer materials and the thicknesses of all film layers. Moreover, the method is simple, is high in production efficiency, and is high in film plating yield.

The invention discloses a high-strength steel sheet for a rolling rack. The high-strength steel sheet comprises the following components in percentage by mass: 0.86%-0.88% of carbon, 3.52%-3.58% of manganese, 0.34%-0.36% of aluminum, 0.22%-0.24% of calcium, 0.51%-0.53% of silicon, 0.23%-0.25% of strontium, 2.36%-2.38% of vanadium, 0.43%-0.45% of titanium, 2.43%-2.45% of copper, 0.07%-0.09% of niobium, 4.13%-4.15% of chromium, 0.32%-0.35% of molybdenum, 6.71%-6.73% of nickel, 0.036%-0.038% of astatine, 0.42%-0.44% of magnesium, 0.55%-0.58% of bismuth, 0.52%-0.56% of lanthanum, 1.62%-1.64% of neodymium, 0.74%-0.76% of terbium, 0.21%-0.23% of erbium, 0.42%-0.45% of promethium and the balance of Fe.

The invention discloses a preparation method for a BOPET (biaxially oriented polyester) high-imitation metal wiredrawing VCM film. The method includes: conducting surface wiredrawing treatment on one side of a transparent BOPET film; coating one surface without surface wiredrawing treatment by a polyurethane UV curable paint, carrying out UV photo-curing and heat curing, and performing natural cooling to obtain a surface hardened coating; coating the surface subjected to surface wiredrawing treatment with a model SC-400 pre-aluminizing prime coat to obtain a fastness enhanced coating; conducting vacuum aluminizing processing on the fastness enhanced coating to obtain a vacuum aluminized layer; and coating the aluminized surface of the vacuum aluminized layer with a model SC-500 topcoat, thus obtaining an antioxidant protective coating. Single-layer BOPET is adopted as a film main material, thus reducing the dosage of a raw material film, saving the production cost, prolonging the product life and improving the tolerance to various adverse conditions. The film obtained by the method has the visual effects of an imitated metal wire drawing board, thus realizing the purpose of high simulation of different material wiredrawing metal boards.

The invention belongs to the technical field of bearing cage processing and provides a finishing method for a 40CrNiMoA steel cage. A proposed finishing method for 40CrNiMoA steel cage. The finishing method includes polishing and brightening; brown corundum is selected as the abrasive, and brown corundum includes brown corundum oblique cylinders, brown corundum oblique triangles and brown corundum balls; the abrasive and The workpieces are added to the polishing machine together; the polishing time is 4~5 hours, and it needs to be stopped after every 1.5~2 hours of polishing, the hot water in the container is drained, and cold water is poured in, and the abrasives and workpieces in the box are cooled before polishing; Select φ2.5-φ3.5mm zirconium-aluminum composite balls as bright abrasives, and put the abrasives and workpiece into the polishing machine for 30-40 minutes. The invention reduces the inner and outer surfaces and end surfaces of the cage, and improves the product quality of the cage.

The invention relates to a coating containing trace photoinitiator. According to the invention, the main components of the coating are unsaturated polyester resin or acrylic acid type oligomer, acrylic acid monoester and polyester compounds as well as the photoinitiator, wherein the mass percentage of the photoinitiator is 0.1%-1%. The invention also provides a solidifying method of the coating. The solidifying method comprises the following steps: covering the coating on a substrate by using printing, spreading, roller painting and combination processes; irradiating the coating with ultraviolet light; and enabling the substrate to pass through a self-shielding electron accelerator which is located in the air atmosphere at the linear speed of 1-10 m/s, wherein the electron accelerator generates a low-energy electron beam to irradiate the coating so that the coating can be instantly solidified. The coating has the advantages that no odor emerges in the production process, trace residue of the photoinitiator in the coating can meet the requirement of food package, cost is low, and production efficiency is high; and the solidifying method is suitable for solidifying production of all-color coatings.