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65results about How to "Excellent wear resistance" patented technology

High-wearability insulating cable material and preparation method thereof

The invention discloses a high-wearability insulating cable material and a preparation method thereof. The high-wearability insulating cable material is prepared from the following raw materials in parts by weight: 70 to 90 parts of polyurethane rubber, 15 to 20 parts of polytetrafluoroethylene, 10 to 15 parts of nylon 6, 10 to 15 parts of polypropylene glycol adipate, 5 to 10 parts of dipropylene glycol dibenzoate, 5 to 10 parts of trel-butylphenyl diphenyl phosphate, 7 to 13 parts of antimonous oxide, 5 to 10 parts of decabromodiphenylethane, 4 to 8 parts of zinc borate, 2 to 3 parts of tert-butyl peroxybenzoate, 1.5 to 2 parts of zinc oxide, 2 to 3 parts of stearic acid, 3 to 6 parts of chlorcosane, 1 to 2 parts of accelerant ZDMC (Zinc Dimethyldithiocarbamate), 1 to 2 parts of accelerant CZ (N-cyclohexylbenzothiazole-2-sulphenamide), 15 to 20 parts of fumed silica, 10 to 15 parts of attapulgite nanoocomposites, 5 to 10 parts of nano zeolite, 10 to 15 parts of precipitated barium sulphate, 1.5 to 2.5 parts of antioxidant 1010, 2 to 3 parts of anti-aging agent TPPD (N-(p-toluene-sulphonylamido-N'-phenylene diamine)), and 3 to 6 parts of composite filler. The cable material is outstanding in wearability, particularly, the wearability is always several times and even dozen times that of the common electrical material under a terrible working condition in the presence of water, oil and other wetting medias; the cable material is also remarkable in heat resistance, flame resistance, ageing resistance, oil resistance, warping strength, impact resistance and tear resistance.
Owner:ANHUI WANGDA COPPER DEV

Low-temperature chemical Ni-Cu-P plating solution and chemical Ni-Cu-P plating method applying the solution

The invention relates to chemical plating on the surface of a metal material, in particular to a low-temperature ultrasonic wave assisted chemical Ni-Cu-P plating solution used for the surface of a low-carbon steel base material as well as a chemical Ni-Cu-P plating method. The characteristics include adopting nickel sulfate and copper sulfate as the main salt of the plating solution, sodium hypophosphite as a reducing agent, sodium acetate as a buffer, trisodium citrate and lactic acid as complexing agents, succinic acid and glycine as well as ammonium hydrogen fluoride as combined accelerators, potassium iodide and thiourea as stabilizers to prepare the chemical Ni-Cu-P plating solution, and applying the chemical Ni-Cu-P plating solution on the surface of a low-carbon steel substrate by low-temperature ultrasonic wave chemical plating. In the invention, the formula of the plating solution is environment-friendly, meets the environment-friendly requirement of clean production and reduces pollution to environment. The method for chemically plating Ni-Cu-P on the surface of the low-carbon steel substrate obviously lowers the plating application temperature, enables the deposition speed to be fast and effectively improves the performance of the low-carbon steel substrate.
Owner:SHANDONG JIANZHU UNIV

Surface layer polyurethane resin for waterproof and moisture permeable synthetic leather and preparation method of polyurethane resin

The invention discloses a surface layer polyurethane resin for waterproof and moisture permeable synthetic leather and a preparation method of the polyurethane resin. The surface layer polyurethane resin for the waterproof and moisture permeable synthetic leather is made from raw materials comprising polyol, chain extenders, a tri-functionality compound, diisocyanate and a sealing agent. The polyol contains polyol A and polyol B in a molar ratio of 1:1-1:3, wherein polyol A is selected from one or more of polytetramethylene ether glycol and polytetrahydrofuran propylene epoxide polyether diols, and the polyol B is selected from one or more of polytetrahydrofuran epoxyethane polyether diols, propylene epoxide epoxyethane polyether diols and polyepoxide glycol; the chain extenders comprise a dihydroxyl chain extender and a diamino chain extender; the tri-functionality compound is a trihydroxy compound; and the blocking agent is a monoamine silane coupling agent. The waterproof and moisture permeable polyurethane synthetic leather disclosed by the invention not only has excellent waterproof property and moisture permeability, but also has excellent wear resistance.
Owner:江苏华峰超纤材料有限公司

Preparation method and application of protective film in full lamination with mobile terminal

The invention relates to the technical field of optical films and in particular relates to a preparation method and an application of a protective film in full lamination with a mobile terminal. The preparation method of the protective film comprises the following steps: putting a polyester film substrate and a first release film into a film coating and laminating wheel, carrying out hot-press lamination, wherein a curve equation of lamination temperature and time is shown as follows: T=429X2-83X+(261-271)s; coating the other surface of the polyester film substrate with an adhesive material, coating the adhesive material with a second release film, putting the film substrate in a drying oven, and drying to obtain the protective film. The protective film prepared by the method is high in tension and is capable of laminating the picture surface, the back surface and side surface of the mobile terminal at 360 degrees; the protective film is integrally molded, and is low in production cost and high in impact resistance; the mobile terminal is low in sable thickness; the preparation method is simple and can be used for effectively solving the problem that the protective film is not liable to coil because the material is softened during processing at a high temperature.
Owner:JIANGSU ZHONGHAI HUA HE ENVIRONMENTAL PROTECTION CO LTD

Thermal underwear fabric

The invention discloses thermal underwear fabric. A preparation technology of the thermal underwear fabric is implemented through the step as follows: blended yarn prepared from Cuqing fibers, other common cellulose fibers, synthetic fibers and wool fibers is subjected to weaving and after-finishing processes. The thermal underwear fabric has the advantages as follows: the density of the Cuqing fibers is 1.17 g/cm<3> and is lower than that of cashmere, and the fibers are lighter; the heat-conducting property of the Cuqing fibers is 0.051 W/(m*DEG C) and is lower than that of the cashmere, and the heat-conducting property of cashmere is 0.055 W/(m*DEG C), so that the thermal insulation performance of the Cuqing fibers is better than that of the cashmere when the Cuqing fibers are taken as the raw material for weaving thermal underwear; the blended yarn prepared from the Cuqing fibers, the other cellulose fibers and the wool fibers through blending is subjected to weaving and after-finishing processes for preparation of the fabric, the antistatic property of the fabric can meet the level-A standard, the anti-pilling performance can reach level-4 or higher, and meanwhile, the fabric has excellent wear resistance, so that the service life of the thermal underwear is prolonged effectively while the comfort of the thermal underwear is guaranteed.
Owner:RUGAO CITY DINGYAN TEXTILE

Method for preparing nano-ceramet-base metal ceramic

The invention discloses a method for preparing high strength, high tenacity and super hard metallic porcelain with Nami metallic ceramic matrix. The method comprises the steps as follow: adopt cold spraying method and take high voltage helium gas as the acceleration gas; spray the metallic porcelain powder which takes the Nami metallic ceramic as the matrix or the metallic porcelain powder containing components which can produce Nami porcelain precipitated phase into sediment to prepare metallic porcelain with metastable structure; the interface between the porcelain phase of the metallic porcelain and the metal phase, the metal phase and the metal phase and the spraying powder deformation particle in the metastable structure produces diffusion and interface reaction to gain high strength, high tenacity and super hard metallic porcelain with Nami metallic ceramic matrix. As the metallic porcelain takes the normal micron and submicron porcelain phase as the hardening and reinforcing phase; and takes the high strength and supper hard metallic porcelain as the matrix, the invention not only has the characters of high strength and supper hard of the metallic porcelain material, but also has the characters of high tenacity and better wear-proof property. The invention is a new method for preparing high strength, high tenacity and high wear-proof property metallic porcelain coating.
Owner:芜湖舍达激光科技有限公司

Preparation method of moisture-proof traditional Chinese medicine coated film

The invention discloses a preparation method of a moisture-proof traditional Chinese medicine coated film, which relates to a coating technology of the traditional Chinese medicine and belongs to the medicinal preparation field. The moisture-proof traditional Chinese medicine coated film comprises the following components: 30-40 parts of hydroxypropyl methyl cellulose, 5-8 parts of triethyl citrate, 6-10 parts of xylitol, 4-8 parts of castor oil, 4-8 parts of tween-80, 14-18 parts of dextrin, 6-10 parts of aerosol, 6-10 parts of zein, 5-10 parts of 1% of artificial food coloring solution, 350-420 parts of distilled water (40-50 DEG C) and balance of ethanol with 95% of concentration; wherein weight unit of solid is gram, and volume unit of liquid is milliliter. The moisture-proof traditional Chinese medicine coated film has the beneficial effect of stable chemical property of a film forming substance, inertia to an enzyme system, no physiological toxicity and no usage of cane sugar; the coated film has the advantages of moisture resistance, heat resistance, cold resistance and abrasion resistance which are better than that of the sugar coated tablets, so that the stability of the coated film is increased, and storage period is prolonged.
Owner:刘桐言
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