48results about How to "Not easy to wear off" patented technology

The invention discloses a coated mooring rope made of high-molecular-weight polyethylene fibers, and belongs to the field of ropes for tugboats. An inner layer of the coated mooring rope comprises eight or twelve or sixteen strands of ropes made of high-molecular-weight polyethylene fiber materials, an outer layer of the coated mooring rope is an abrasion-resistant sheath consisting of thirty-two or forty-eight or sixty-four strands of ropes, and polyester adhesive and fluorescent dye are coated on the outer portion of the abrasion-resistant sheath. The specially spun high-strength polyethylene fibers are used for manufacturing the inner layer, the mooring rope has the strength more than four times higher than that of a common rope made of chemical fibers, and is light, the abrasion-resistant sheath and the polyester adhesive are coated on the outer layer to strengthen the abrasion resistance of the coated mooring rope, the mooring rope is not easy to wear or break when normally and continuously used by a boat, and is long in service life, and the fluorescent dye coated on the outer portion of the abrasion-resistant sheath is orange so that the coated mooring rope is easy to observe during usage.

The invention relates to the field of engineering plastic, in particular to a preparation method for a high-strength MC (monomer casting) nylon wheel for elevator transmission. The preparation method comprises the steps as follows: heating, dehydrating, pouring, forming and processing in sequence to prepare the high-strength MC nylon wheel which overcomes the shortage of nylon wheels prepared by the existing preparation method, is better in flexibility and wear resistance, lighter in self weight and easy to mount, is prolonged in service life and is provided with a wheel groove for protecting a steel wire rope.

The invention discloses an automobile sealing strip rubber material with the effects of restraining bacteria and removing abnormal smells. The automobile sealing strip rubber material is prepared from, by weight, 100-120 parts of ethylene propylene diene monomer, 30-50 parts of white carbon black, 10-15 parts of shell powder, 2-4 parts of blumea oil, 2-4 parts of zinc oxide, 1.5-2.5 parts of sulphur S80, 1.5-2.5 parts of antiager MB, 0.3-0.5 part of accelerant TMTD, 0.03-0.05 part of tetradecyl dimethyl benzyl ammonium, 0.1-0.15 part of glycerol monolaurate, 3-5 parts of methyltrimethoxysilane, 0.5-1 part of tetrabutyl titanate, 0.15-0.25 part of titanate coupling agent NDZ-401, 6-8 parts of nano-graphite powder and 20-30 parts of castor oil. The rubber material is good in anti-abrasion effect and durable in anti-friction performance, has the effects of restraining bacteria and removing abnormal smells, and has the advantages of being long in service life, good in sealing performance and good in sanitation when used as an automobile sealing strip material.

The invention relates to a telescopic brush type gland ring formed by a plurality of gland loops through head-to-tail connection. Each gland loop comprises a loop body, a high tooth sealing strip, a low tooth sealing strip and a telescopic sealing brush, wherein the sealing brush comprises a brush head and a T-shaped brush body; the brush head is formed by tightly arranged metal wire layers of which the outer ends are welded between two clamp plates; the brush head is fixedly arranged in a brush slot of the brush body; and the bottom of the brush body is arranged in a T-shaped slot of the loopbody by a sheet spring. The sealing brush mainly consists of tightly arranged fine alloy wires with good flexibility and high-temperature resistance, has good elasticity, and is matched with the sheet spring at the bottom of the brush body. When the sealing brush contacts and abrades with a rotor, the sealing brush can elastically retract. Due to the function of brush wire clearance, the uniformincoming flow changes the motion direction after entering the brush wire bundle, and is changed into transversal flow perpendicular to the main flowing direction, therefore generating self-sealing effect, and further reducing leakage. The invention has the advantages of good sealing performance, simple and reasonable structure and the like, and is especially suitable for replacement and update ofmovable seals of prior steam turbines.

The invention relates to the technical field of plastic raw material integration and formation, in particular to a printed mobile phone case and a processing technology thereof. The processing technology comprises the steps that ink is overprinted on a processed sheet material, after all colors are superposed, patterns appear, then high pressure formation is conducted on the sheet material according to the stretching proportion of the sheet material, and then the sheet material is placed in an injection mold for injection molding. By means of the processing technology, a product is good in stereo effect, the patterns are vivid, plastic raw materials which are used for bearing the sheet material printing and are subjected to injection molding clamp the ink therein, a rigid shielding layer is formed on the surface, the hardness of the shielding layer reaches 3 H, various decorative patterns can be printed, the surface of a thin membrane can exhibit different textures, therefore a number of different surface textures can be imitated, the stereo-lithography height of three-dimensional patterns can reach 40 mm, the ink is silkscreened on an intermediate layer, the total membrane is arranged on resin, so that letters are not prone to being worn off, the product patterns are difficult to wear, scrape off or discolor, and the stability and durability are achieved.

The invention discloses a rubber material for an antibacterial deodorant seal ring of a drain pipe. The rubber material is made of raw material by following weight part: 80-100 of ethylene propylene terpolymer, 10-15 of chlorosulfonated polyethylene, 40-60 of white carbon black, 20-30 of bamboo charcoal powder, 0.5-1 of nano alumina, 2-4 of zinc oxide, 1.5-2.5 of sulfur S80, 1.5-2.5 of age resister MB, 0.3-0.5 of accelerator TMTD, 2-4 of methyltrimethoxy silane, 0.3-0.5 of tributyl citrate, 0.5-1 of tetrabutyl titanate, 0.15-0.25 of titanate coupling reagent NDZ-401, 6-8 of nano graphite powder, 4-6 of castor oil and 0.5-1 of peach gum. The rubber material is good in wear resisting effect and lasting in antifriction performance, has good antibacterial and deodorant performance and resistance to dirt and corrosion simultaneously, and is long in use life, good in airtightness, and suitably used as a seal ring material of the drain pipe.

The invention discloses a waterproof anti-corrosion rubber material for automobile seal strips, wherein the rubber material is prepared from the following raw materials in parts by weight: 100-120 parts of ethylene-propylene-diene monomer, 40-60 parts of white carbon black, 2-4 parts of zinc oxide, 1.5-2.5 parts of sulfur S80, 1.5-2.5 parts of an anti-aging agent MB, 0.3-0.5 part of an accelerator TMTD, 0.5-1 part of zinc naphthenate, 3-5 parts of trimethoxymethylsilane, 0.3-0.5 part of petroleum sodium sulfonate, 0.5-1 part of tetrabutyl titanate, 0.15-0.25 part of a titanate coupling agent NDZ-401, 6-8 parts of a nano graphite powder, 1-2 parts of a polytetrafluoroethylene wax micro-powder, 15-25 parts of castor oil, and 3-5 parts of hydroxyl-fluoro silicone oil. The rubber material has the advantages of good abrasion resistance, lasting antifriction performance, and good waterproof and anti-corrosion properties, and has the advantages of long service life and good sealing performance when used as automobile seal strip materials.

The invention relates to the technical field of terraces, in particular to a ground surface course based on a phosphorus and magnesium material and a construction process thereof. The ground surface course based on the phosphorus and magnesium material is formed by combining magnesium phosphate cement, an additive, an admixture, a pigment and an aggregate in a specific proportion. The ground surface course based on the phosphorus and magnesium material has high strength, wear resistance and bonding property and can be constructed anytime without construction joints. The content of volatile organic compounds (VOCs) is zero, and the ground surface course has very good fire resistance. The ground surface course is high in early strength, short in setting time, short in maintenance time, highin mechanical strength, unlike to crack, high in fracture resistance, wear-resistant and short in construction period and can be put into use immediately. By means of a paving process using a laser paver, a level ground is paved by the precision laser paver, the ground smoothness and levelness can be improved by over 3 times, and the compactness and strength can be improved by over 20%, and meanwhile, the work efficiency can be also improved and the labor is saved. The whole paved matrix is homogenous and compact.

The invention provides a metal surface easy-to-clean coating and an easy-to-clean processing method, and relates to the technical field of paints. The metal surface easy-to-clean coating is formed on the surface of a metal base material and comprises a silicon dioxide glassy coating and a perfluoropolyether coating; the silicon dioxide glassy coating is arranged on the surface of the metal base material; and the perfluoropolyether coating is grafted on the surface of the silicon dioxide glassy coating. By means of the metal surface easy-to-clean coating, the technical problems that in the prior art, the coating on a stainless steel surface is poor in easy-to-clean effect and short in service life are solved, and the use requirement of a user for kitchen appliances is met.

The invention discloses an indoor composite floor based on phosphorous magnesium materials and self-leveling gypsum. The indoor composite floor based on the phosphorous magnesium materials and the self-leveling gypsum comprises a concrete base layer and is sequentially provided with the concrete base layer, a gypsum self-leveling leveling layer and a phosphorous magnesium material self-leveling face layer from bottom to top, and the gypsum self-leveling leveling layer is located between the concrete base layer and the phosphorous magnesium material self-leveling face layer. A construction method of the indoor composite floor comprises the steps of preparation of equipment and tools, base layer treatment, construction of the gypsum self-leveling leveling layer, construction of the phosphorous magnesium material self-leveling face layer, curing, polishing and waxing, and the like. Aiming at solving the problems that organic self-leveling materials are high in construction cost and proneto peeling, and the self-leveling materials taking the gypsum as basic materials are poor in water resistance and abrasion resistance, the provided indoor composite floor has early strength and is short in coagulation time, short in curing time, high in mechanical strength, not prone to cracking, free of hollowing, high in breaking resistance, high in water resistance, high in abrasion resistance,good in flowing property and low in cost, the construction period is short, and the construction efficiency is high.

The invention discloses a high-temperature-resistant anti-aging rubber material used for a hot-water valve seal ring. The rubber material is composed of the following raw materials in parts by weight: 100 to 120 parts of EPDM rubber, 5 to 10 parts of bismaleimide resin, 1 to 2 parts of terpene resin, 60 to 80 parts of white carbon black, 2 to 4 parts of zinc oxide, 1.5 to 2.5 parts of sulfur S80, 1.5 to 2.5 parts of an anti-aging agent MB, 0.3 to 0.5 part of an accelerator TMTD, 2 to 4 parts of methyltrimethoxysilane, 0.3 to 0.5 part of rosin-polythylene oxide ester, 0.5 to 1 part of tetrabutyl titanate, 0.15 to 0.25 part of a titanate coupling agent NDZ-401, 6 to 8 parts of nanometer graphite powder, 4 to 6 parts of castor oil and 0.3 to 0.5 part of trinonylphenyl phosphite. The rubber material provided by the invention has the advantages of good wear-resistant effect, durable antifriction performance, good high-temperature-resistant and anti-aging performances, long service life, good sealing properties, and applicability to hot-water valve seal ring materials.

The invention discloses a mosquito-repellent insect-proofing automobile sealing strip rubber material. The mosquito-repellent insect-proofing automobile sealing strip rubber material is prepared from, by weight, 100 to 120 parts of EPDM, 40 to 60 parts of white carbon black, 0.5 to 1 part of diethyltoluamide, 0.1 to 0.15 part of prallethrin, 1 to 2 parts of cashew nut shell oil, 2 to 4 parts of zinc oxide, 1.5 to 2.5 parts of sulphur S80, 1.5 to 2.5 parts of anti-aging agent MB, 0.3 to 0.5 part of accelerant TMTD, 0.1 to 0.15 part of tea saponin, 3 to 5 parts of methyltrimethoxysilane, 0.5 to 1 part of tetrabutyl titanate, 0.15 to 0.25 part of titanate coupling agent NDZ-401, 6 to 8 parts of nano-graphite powder, 20 to 30 parts of castor oil. The mosquito-repellent insect-proofing automobile sealing strip rubber material possesses excellent wear resistance, long-lasting antifriction performance, and excellent mosquito-repellent insect-proofing effect, and is long in service life and excellent in sealing performance as an automobile sealing strip material.

The invention discloses an alkenyl succinic anhydride-modified highly flexible automobile sealing strip rubber material. The alkenyl succinic anhydride-modified highly flexible automobile sealing strip rubber material is prepared from 100-120 parts by weight of EPDM, 40-60 parts by weight of white carbon black, 3-5 parts by weight of gypsum whisker, 2-4 parts by weight of alkenyl succinic anhydride, 2-4 parts by weight of zinc oxide, 1.5-2.5 parts by weight of sulfur S80, 1.5-2.5 parts by weight of an antiager MB, 0.3-0.5 parts by weight of an accelerator TMTD, 3-5 parts by weight of methyl trimethoxysilane, 0.3-0.5 parts by weight of sodium stearyl lactate, 0.5-1 part by weight of polyvinyl butyral, 0.5-1 part by weight of tetrabutyl titanate, 0.15-0.25 parts by weight of a titanate coupling agent NDZ-401, 6-8 parts by weight of nano-graphite powder and 20-30 parts by weight of castor oil. The rubber material has good wear resistance, lasting anti-friction performances and excellent flexibility, and has the advantages of long service life and good sealing property in the automobile sealing strip.

The invention discloses a solid diffusion surface anti-corrosion treatment method for a carbon steel clamping and pressing pipe fitting. The surface anti-corrosion treatment method is a solid diffusion process and comprises the following steps of: wrapping a workpiece in an inert material, adding materials including but not limited to zinc powder, aluminum powder and nickel powder, and heating theresulting product in a closed container to 300-500 DEG C to make zinc, nickel, aluminum and other metals diffuse into the workpiece, so that a compact and uniform intermetallic compound coating of zinc, other alloys and iron is formed on the surface layer of a substrate. The coating can be polished, oiled, painted, sprayed with plastic, or treated with a sealing agent or an organic coating, and the corrosion resistance or decorative performance or the like of the coating can be further improved. The method is performed in the heat-insulating and sealed container, the heat efficiency is high,the energy-saving requirement is met, no waste water or smoke dust is generated in the whole process, and the process is environmentally friendly.