41results about How to "Improve wear and tear resistance" patented technology

The invention discloses a high-strength, abrasion-resistant and tear-resistant cable. The cable comprises a cable core, wherein an inner sheath covers the cable core, and a shielding layer, a wrapping layer and an outer sheath sequentially cover the inner sheath; the outer sheath comprises raw materials in parts by weight as follows: 50-55 parts of butadiene styrene rubber, 22-25 parts of natural rubber, 20-22 parts of a prefabricated aramid pulp sizing material, 14-18 parts of chloroprene rubber, 0.7-1.1 parts of sulphur powder, 1.8-2.2 parts of an accelerant AA, 2.3-2.6 parts of an accelerant MZ, 14-17 parts of barite powder, 26-29 parts of carbon black N234, 7-10 parts of nano-cellulose whiskers, 8-10 parts of calcite powder, 6-9 parts of kieselguhr, 5-8 parts of aluminum silicate, 2.8-3.2 parts of a mono-alkoxy pyrophosphate type titanate coupling agent, 2.6-3.2 parts of coconut oil, 1.4-1.8 parts of a plasticizer DCHP, 5-7 parts of octyl epoxy stearate, 1.6-2.4 parts of an anti-aging agent H and 1.8-2.5 parts of an anti-aging agent DFC-34.

The invention discloses a stretch-proof wear-resistant oil-resistant modified cable material which is prepared from the following raw materials in parts by weight: 8-12 parts of chloroprene rubber, 25-28 parts of hydrogenated butadiene-acrylonitrile rubber, 70-73 parts of an ethylene propylene diene monomer, 17-20 parts of melamine formaldehyde resin, 13-16 parts of pre-treated plant powder, 8-11 parts of aluminum borate crystal whiskers, 2-5 parts of titanium nitride, 4-8 parts of aluminum oxide, 27-30 parts of calcite, 24-27 parts of furnace black, 18-21 parts of quartz powder, 6-8 parts of diethyl phthalate DEP, 3-4 parts of cresyl diphenyl phosphate CDPP, 3.4-5.3 parts of antimonous oxide, 5.3-6.2 parts of red phosphorus capsules, 6-8 parts of a peroxide vulcanization system, 0.4-0.8 part of an antiager D-50 and 1.2-1.8 parts of an antiager SP. The invention further discloses a preparation method of the stretch-proof wear-resistant modified cable material.

The invention discloses a protein plastic material comprising the following raw materials in parts by weight: 45-50 parts of PBS (poly butylenes succinate), 30-35 parts of poly-beta-hydroxybutyric acid (PHB), 20-25 parts of peanut protein powder, 2.5-3 parts of potassium titanate fiber, 5-7 parts of silk fiber, 1.2-1.7 parts of a silane coupling agent KH570, 2-3 parts of sodium sorbate, 1.1-1.6 parts of ethyl p-hydroxybenzoate, 1.7-1.9 parts of diisooctyl phthalate (DIOP), 3-6 parts of epoxidized soybean oil, 3-5 parts of starch acetate, 15-18 parts of talcum powder, 7-11 parts of wollastonite powder, 5-9 parts of calcite powder and 1-1.4 parts of tert-butylhydroquinone (TBHQ). The protein plastic material disclosed by the invention can be decomposed by microorganisms, and is strong in ductility and good in impact resistance and oxidation resistance, the generation of white pollution can be avoided and the consumption of agricultural product resources can also be reduced.

The invention discloses a modified environment-friendly plastic with high elasticity. The modified environment-friendly plastic comprises the following raw materials in parts by weight: 50-60 parts of ethylene-vinyl acetate copolymer, 45-55 parts of polyethylene resin, 18-22 parts of hydroxybutyrate-hydroxyvalerate copolyester, 12-15 parts of modified poly-beta-hydroxybutyric acid, 15-20 parts of oxidized starch, 10-15 parts of styrene-butadiene-styrene block copolymer, 1.5-1.8 parts of carbon fibers, 3-4 parts of cotton fibers, 1.1-1.3 parts of silane coupling agent, 2-3 parts of methylparaben, 1.1-1.6 parts of potassium sorbate, 2-2.2 parts of epoxy fatty acid octyl ester, 5-7 parts of tricresyl phosphate, 6-8 parts of precipitated barium sulfate, 3-5 parts of calcined kaolin, 23-26 parts of fumed titania and 1-1.4 parts of antioxidant. The modified environment-friendly plastic has high elasticity and excellent tensile strength, elongation at break and thermal aging property and can not cause irreversible harms to the environment.

The invention relates to a wear-resisting anti-slipping electrician ladder for electric power construction. The wear-resisting anti-slipping electrician ladder comprises two ladder legs and a pedal plate connected between the two ladder legs; rubber anti-slipping sleeves sleeve the tops of the ladder legs; hooks and containing barrels are arranged at the two sides of the upper parts of the ladder legs respectively; the ladder legs are made of bamboo; the pedal plate is made of high-strength wear-resisting plastic. The pedal plate provided by the invention has good heat dissipation performance, the safety of the ladder is guaranteed, and the service life is prolonged; the ladder is not easy to age, enough in rigidity and long in service life; the maintenance cost is reduced and the ladder is firm and durable on the basis of guaranteeing portability. The rubber anti-slipping sleeves enhance the wearing resistance, so that the anti-slipping performance of the rubber anti-slipping sleeves is enhanced.

The invention discloses an electrical-vehicle charging pile cable capable of transmitting temperature measurement and control signals. The cable includes a cable core which includes a live wire core, a null line core, a ground wire core and a temperature control wire core, wherein the live wire core includes a live wire conductor and a first insulating layer which wraps externally the live wire conductor; the null line core includes a null line conductor and a second insulating layer which wraps externally the null line conductor; the ground wire core includes a ground wire conductor and a third insulating layer which wraps externally the ground wire conductor; the temperature control wire core includes two signals transmission lines and each signal transmission line includes a temperature control conductor and a forth insulating layer which wraps externally the temperature control conductor; the two signal transmission lines are externally wrapped sequentially with a metal wrapping tape shielding layer and a metal braiding shielding layer after being mutually stranded; the cable core is externally wrapped with a wrapping tape layer in a lapping manner; and the wrapping tape layer is externally wrapped with an outer protection layer in a pressing manner. The temperatures of the cable and a plug can be monitored in a real-time manner in a charging process and the power supply can be cut off timely when the temperature of the plug is too high so that it is prevented that overheat causes a fire disaster.

The invention discloses modified environment-friendly plastic with high mechanical properties. The modified environment-friendly plastic comprises the following raw materials in parts by weight: 75-85 parts of polycarbonate resin, 22-28 parts of acrylonitrile-butadiene-styrene, 18-22 parts of polycaprolactone, 25-30 parts of poly(3-hydroxybutyrate-co-3-hydroxyvalerate), 13-18 parts of ethylene-vinyl acetate copolymers, 10-15 parts of glass beads, 3-4 parts of bastose, 1.5-1.8 parts of a titanate coupling agent, 2-3 parts of methyl p-hydroxybenzoate, 1.1-1.6 parts of potassium sorbate, 2-2.2 parts of diisononyl phthalate, 5-7 parts of tricresyl phosphate, 6-8 parts of heavy calcium carbonate, 3-5 parts of diatomite, 23-26 parts of calcined kaolin and 1-1.4 parts of an anti-aging agent. The modified environment-friendly plastic has high mechanical properties, is excellent in tensile strength and elongation at break, can be degraded into carbon dioxide and water by microorganisms, can be recycled by the natural world and cannot generate irreversible damage to the environment.

The invention discloses an environment-friendly poly-beta-hydroxybutyric acid plastic material. The environment-friendly poly-beta-hydroxybutyric acid plastic material is composed of raw materials including, by weight part, 15-20 parts of corn starch, 8-12 parts of 5-7% polyvinyl alcohol solution, 0.5-0.8 part of 25-35% crosslinking agent and glycol water solution, 8-12 parts of cashew phenolic resin, 25-30 parts of poly-beta-hydroxybutyric acid, 5-8 parts of potassium titanate fiber, 2-3 parts of gamma-(methylacryloyl oxygen) methyl propyl trimethoxy silane, 2-2.5 parts of ethyl p-hydroxybenzoate, 1.5-2 parts of di-2-ethylhexyl phthalate, 0.5-0.8 part of urea, 5-8 parts of epoxidized soybean oil, 4-8 parts of silk fiber, 5-8 parts of starch acetate, 20-25 parts of talcum powder, 15-20 parts of calcite powder, 2-2.5 parts of tert-butylhydroquinone, 20-25 parts of glycerol and 15-18 parts of distilled water. The environment-friendly poly-beta-hydroxybutyric acid plastic material is environmentally friendly, high in biodegradation performance and waterproof performance and excellent in ageing-resistant performance and mechanical performance.

The invention relates to a compound reinforced iron-aluminum alloy aluminum-based material and a production method and application thereof. The material comprises an aluminum-based alloy layer, a Fe3Al alloy layer which has metallurgical bonding with the aluminum-based alloy layer, and a FeAl alloy layer which has metallurgical bonding with the Fe3Al alloy layer, wherein the Fe3Al alloy layer is mainly composed of a Fe3Al phase and a ZrB2 phase, and the FeAl alloy layer is mainly composed of a FeAl phase, a B phase and an Al2O3 phase. Not only does the compound reinforced iron-aluminum alloy aluminum-based material have excellent high-temperature mechanical performance, corrosion resistance performance and wear resistance performance of iron-aluminum intermetallics, but also the advantages of high-thermal conductivity, light weights and the like of aluminum-based alloy are kept at the same time; and by using the material as a high-speed rail traffic brake disc material, on one hand, the production cost can be reduced greatly, on the other hand, a use temperature of brake discs can be significantly elevated, and the service lives of the brake discs can be significantly prolonged.

The invention belongs to the field of electric power materials, and discloses an electric power metering box for photovoltaic power generation. The electric power metering box comprises a box body, wherein the box body is prepared from the following raw materials: chlorinated butyl rubber, ethylene propylene terpolymer, methyl vinyl silicone rubber, polycarbonate, glass fiber, silicon carbide, aluminum oxide, molybdenum disulfide, graphite, N-methyl pyrrolidone, kieselguhr, kaoline, an anti-aging agent 2246 and a hindered phenol antioxidant. Through improvement on a plastic material, the comprehensive performance of the electric power metering box for photovoltaic power generation is improved, and the application range is wide.

The invention belongs to the field of distribution equipment, and discloses a closed low-voltage distribution box. The closed low-voltage distribution box comprises a box body which is prepared according to the following process: step 1) preparation of a component A; step 2) preparation of a component B; step 3) preparation of a component C; and step 4) preparation of the box body. The distribution box provided by the invention has the advantages of large mechanical strength, corrosion resistance and good flame retardant performance.

The invention belongs to the field of electrical equipment and discloses a low-voltage comprehensive integrated cabinet. The low-voltage comprehensive integrated cabinet comprises a cabinet body whichis prepared from the following raw materials: palygorskite, aluminum nitride, triphenyl phosphate, antimony oxide, diatomite, kaolin, molybdenum disulfide, graphite, N-methylpyrrolidone, wood meal, bisphenol-A type epoxy resin, phenolic resin, polyvinyl alcohol, glass fiber, white oil, talcum powder and carbon fiber. The low-voltage comprehensive integrated cabinet provided by the invention has the advantages of good insulation performance, thermal conductivity and flame retardant property, large mechanical properties, and capability of replacing metal products in the market.