32results about How to "Repair scratches" patented technology

The invention discloses a display device, a backlight module, a quantum dot optical diaphragm and a preparation method thereof. The quantum dot optical diaphragm comprises a quantum dot layer, a first composite water oxygen barrier layer which covers the surface of the light inlet side of the quantum dot layer and a second composite water oxygen barrier layer which covers the surface of the light outlet side of the quantum dot layer; the first composite water oxygen barrier layer and the second composite water oxygen barrier layer are each selected from one or a combination of any two of a first film structure, a second film structure and a third film structure, wherein the first film structure is the composite water oxygen barrier layer which is composed of polyethylene terephthalate (PET) and graphene, the second film structure is a graphene layer, and the third film structure is the water oxygen barrier layer which is composed of PET and aluminum oxide. Compared with the prior art, the water oxygen barrier property, the photopermeability and the structural stability of the quantum dot optical diaphragm are obviously improved.

The invention discloses a multicolor ageing-resistant spraying-free polydicyclopentadiene composite material, and a preparation method and an application thereof. Raw materials for preparing the composite material comprise 35-65% of dicyclopentadiene, 1-15% of a copolymer, 10-35% of a functional filler, 0.05-5% of environmentally-friendly color paste or high-mesh toner, and 0.01-0.1% of a ruthenium carbene catalyst. The material is integrally formed after high-efficiency dissolution of the environmentally-friendly color paste or the high-mesh toner with dicyclopentadiene, full mixing of the obtained material with other ingredients, reaction of the obtained mixture with a curing agent, and injection molding polymerization. The spraying-free polydicyclopentadiene composite material has the advantages of brilliant color, ageing resistance, long life, superior mechanical performances, and simple repairing of minimal scratches, and the preparation method is simple.

The invention relates to two-film lubricating oil, which is prepared from the following raw materials in percentage by mass: 0.8 to 2.5 percent of characteristic additive, 1.7 to 3.8 percent of antioxidant, 1.6 to 4.8 percent of detergent, 1.0 to 3.4 percent of dispersing agent, 1.0 to 9.0 percent of viscosity index improver, 0.3 to 0.8 percent of pour point depressant, 0.006 to 0.01 percent of antifoaming agent and the balance of base oil. The invention has the advantages that: the two-film lubricating oil is anticorrosive and antirust, effectively removes carbon deposit and even removes the original rust stain of an engine, has longer service life and lower cost, is environmentally-friendly, and has high antiwear and antifriction performance and a good fuel saving effect, wherein the fuel saving ratio of an automobile per 100 kilometers is 6 to 10 percent, the fuel saving ratio of a large truck per 100 kilometers is 6 to 9 percent, and the fuel saving ratio of a small sedan per 100 kilometers is 8 to 10 percent.

The invention relates to a leather care solution and a preparation method thereof. The leather care solution comprises the following components in parts by mass: 2 to 4 parts of nanoscale water-based wax emulsion, 1 to 3 parts of nano silicon dioxide emulsion, 2.5 to 4 parts of olive oil, 3 to 4 parts of an emulgator, 10 to 15 parts of a seaweed extract, 2 to 4 parts of an aloe extract, 3 to 5 parts of high alcohols and 64.9 to 74.4 parts of deionized water, wherein the solid content of the nanoscale water-based wax emulsion is 20 to 25 wt.%, and the solid content of the nano silicon dioxide emulsion is 20 to 25 wt.%. The leather care solution can effectively moisten and soften leather, prevents the ageing of the leather, and increases the wear-resisting property and the gloss of the leather, thus prolonging the service life of the leather.

The invention discloses a polishing method and a gate forming method. The gate forming method comprises the following steps of: forming a pseudo-gate structure on a semiconductor substrate, wherein the pseudo-gate structure comprises a sacrificial oxide layer and a polysilicon layer which covers the sacrificial oxide layer; forming a side wall on the periphery of the pseudo-gate structure; forming a silicon nitride layer and a dielectric layer which covers the silicon nitride layer, wherein the silicon nitride layer covers the polysilicon layer, the side wall and the substrate; polishing the dielectric layer until the silicon nitride layer is exposed; polishing the silicon nitride layer and stopping polishing at the polysilicon layer; removing the pseudo-gate structure to form an opening; forming a gate dielectric layer and a metal layer which covers the gate dielectric layer in the opening in sequence; performing first-stage polishing operation on the metal layer until the dielectric layer is exposed to form a metal gate and a residual metal layer; and performing second-stage polishing operation on the metal layer, the dielectric layer and the silicon nitride layer by adopting a non-selective polishing solution to remove the residual metal layer.

The invention provides nose mucus-cleaning soft wet wipes for babies; an original liquid comprises 0.33% normal saline, a chamomile extract liquid, a preservative, glycerin, vitamin E, a stabilizer, and the balance RO pure water or deionized water, wherein the preservative is at least one of bronopol and polyaminopropyl biguanide; the stabilizer is at least one of EDTA-2Na and EDTA-4Na. The nose mucus-cleaning soft wet wipes for babies provided by the invention have the advantages of mild nature, simple preparation process, no damage to baby skin when in use, disinfection and sterilization effects, and no toxic or side effects.

The invention relates to a computer accessory rapid cleaning agent, and a preparation method and an application method thereof. The main active components of the computer accessory rapid cleaning agent comprise, by weight, 1 to 3 parts of a nonionic surfactant, 10 to 18 parts of a ampholytic surfactant, 2.8 to 6.2 parts of a grinding aid, 30 to 80 parts of purified water, and 100 to 800 parts of ethanol; the nonionic surfactant is coconut oil fatty acid diethanolamide phosphate preferable, the ampholytic surfactant is dodecyl ethoxy sulfobetaine preferable, the grinding aid is dispersed nanometer titanium dioxide or dispersed nanometer silicon dioxide, and is obtained via combination of two different particles with a particle size lower than 100nm and a particle size ranging from 200 to 500nm. The computer accessory rapid cleaning agent possesses excellent decontamination capacity, and can be used for removing scratches, and the properties are much better than that of products in the prior art.

The invention provides low-energy UV-curing automotive refinishing paint. The paint comprises the following components in percentages by weight: three-functionality aliphatic polyurethane di-acrylate, ten-functionality aliphatic polyurethane hexaacrylate, trimethylolpropane trimethacrylate, ethoxylated bis phenol A dimethacrylate, 1-hydroxycyclohexyl phenyl ketone, 0-0.5% of 2-hydroxy-2-methylpropiophenone, a polyether siloxane copolymer, ethyl acetate, and 0-10% of xylene; the components are uniformly mixed in order to obtain the low-energy UV-curing automotive refinishing paint, the low-energy UV-curing automotive refinishing paint and liquefied compressed mixed gas are filled into an aerosol tank for uniformly mixing in order to obtain the aerosol low-energy UV-curing automotive refinishing paint. The paint is used for refinishing automobile body paint, repairing car lights, and the like; and the paint is environmentally friendly and nontoxic, heavy metals are not contained, and the paint can be used conveniently.

The invention relates to a storage method for sweet potato fresh keeping. The method comprises the steps of sweet potato screening, sweet potato airing, plant ash airing, and mixing and storage of plant ash and sweet potatoes. The storage process of the invention does not need any chemical sterilization disinfectant or preservative, does not need investment of special shed cellars and thermoregulation and humidifying facilities, saves resources, has low costs, is environment-friendly, has no decay phenomenon in storage time, has long sweet potato storage time of up to 12 months or above. The obtained sweet potatoes basically have no difference from fresh sweet potatoes in color, mouth feel and nutrient aspect, and maintain the primary color and original taste of sweet potatoes. The storagemethod has advantages of simple operation, good fresh-keeping effect, long preservation time, low costs, has no harm to the human body, and high edible safety performance. The method can reduce the loss of sweet potato farmers and avoid pollution to environment, can enlarge population who eat sweet potatoes, increase consumption quantity, increase sweet potato value, increase the income of the sweet potato farmers and generate large social benefits, facilitates grain storage for people, and also makes greatly contribution for alleviating potential grain strategy safety in China.

The invention discloses a wet-type fine polishing wheel which is prepared by the following components, by weight, 90-110 parts of polyvinyl alcohol, 100-120 parts of polyurethane prepolymer, 10-15 parts of catalysts, 10-20 parts of air hole forming agents, 10-20 parts of epoxy-modified silicone resin, 55-65 parts of nano abrasives and 450-550 parts of distilled water; the catalysts comprise stannous octoate and dibutyltin dilaurate; the air hole forming agents comprise one or more of a foaming agent, a foam stabilizer, a foam homogenizing agent and a hole filling agent; and an epoxide number of the epoxy-modified silicone resin is 0.03-0.08. The fine polishing wheel has high resilience and flexibility and super-high sharpness and abrasion resistance, can effectively repair scratches, and has outstanding effects particularly on the grinding and polishing of arcs and uneven surfaces. The invention further discloses a preparation method of the wet-type fine polishing wheel.

The invention relates to the field of coating of aluminum alloy tankers, in particular to a coating method capable of maintaining an original color of an aluminum alloy tanker. The coating method includes the following steps: step 1, processing before coating; step 2, repairing appearance defect positions of an aluminum alloy substrate; step 3, coating varnish. By the coating method, appearance defects like scratches, blackening and corrosion of the surface of aluminum alloy can be repaired, original unique metal colors of an aluminum alloy tank body and aluminum alloy parts of the aluminum alloy tanker can be maintained, and self-made repair layer painting and self-made painting special for aluminum alloy, which are coated by the coating method have excellent adhesiveness and weatherability; the painting special for the self-made aluminum alloy has high transparency, and the whole surface of an aluminum alloy workpiece is enabled to present high gloss, so that color and glossiness of the whole surface of the aluminum alloy workpiece are enabled to present uniform effect.

The invention relates to the field of car cleaning products, in particular to a car windshield cleaning agent. The car windshield cleaning agent is prepared from the components in percentage by weight: a surfactant, specifically, 2%-6% of a compound of tea saponin and sodium n-decyl diphenyl ether disulfonate; an organic solvent, specifically, 30%-40% of ethanol and glycerin; an antistatic agent,specifically, 0.2%-1% of esteryl quaternary ammonium salt ethylene glycol; an antifogging agent, specifically, 0.1%-0.8% of polyacrylamide and polyvinyl alcohol; a corrosion inhibitor, specifically, 0.1%-2% of a compound of tartaric acid, sodium citrate and sodium silicate; an antifoaming agent, specifically, 1.0%-1.5% of emulsified silicone oil; essence, specifically, 0.01%-5% of mint flavor; andthe balance of softened water.

According to embodiments, a heating member or a sliding member arranged in contact with the surface of a fusing roller is moved in an intersecting direction with the rotational direction of the fusing roller in a contact state with the heating member or the sliding member so as to prevent a scratch from being generated on the surface of the fusing roller or to repair the scratch.

The invention discloses a gearbox oil additive for a gearbox of a fuel vehicle, which is characterized in that the gearbox oil additive comprises gearbox oil, water-based nano gold and water-based nano platinum. The invention further discloses a preparation method of the gearbox oil additive. By adding the gearbox oil additive into the gearbox of the fuel vehicle and fusing the gearbox oil additive with the gearbox oil in the gearbox, the stability of the gearbox oil can be kept, and the anti-attenuation performance of the gearbox oil can be improved, so that the gearbox is better protected, and the service life of the gearbox is prolonged. Meanwhile, friction is generated under stirring of the gearbox, so that a large amount of far infrared rays are generated, the far infrared rays are guided into the engine in a penetrating mode through the contact parts of the main shaft, the gearbox shell and the engine shell, the engine is indirectly affected, and the combustion efficiency of the engine is improved.