827results about How to "Oil resistant" patented technology

The invention relates to a high-electrical conductivity high-thermal conductivity oil-resistant aging-resistant rubber material. The high-electrical conductivity high-thermal conductivity oil-resistant aging-resistant rubber material is prepared from following ingredients, by weight, 50 to 100 parts of an electroconductive thermal conductive rubber master batch, 40 to 60 parts of an auxiliary rubber material, 30 to 50 parts of a reinforced material, 30 to 50 parts of a flexibilizer, 30 to 50 parts of a filling material, 8 to 10 parts of a stabilizing agent, 10 to 15 parts of a tackifier, 3 to 5 parts of a vulcanizing agent, and 2 to 3 parts of a vulcanizing assistant agent. The high-electrical conductivity high-thermal conductivity oil-resistant aging-resistant rubber material possesses excellent electrical conductivity and thermal conductivity; volume resistivity is as high as 102 omega.cm; heat conductivity coefficient is higher than 4W/(m.K); the high-electrical conductivity high-thermal conductivity oil-resistant aging-resistant rubber material can be applied to special fields such as petroleum, coal mine, and spaceflight; the high-electrical conductivity high-thermal conductivity oil-resistant aging-resistant rubber material possesses excellent mechanical properties, oil resistance, and air aging resistance, and can be used in oil medium or in outdoor environment.

The invention discloses a stone papermaking method, which is characterized by comprising the following steps: adding 2 to 2.5 weight percent of auxiliary agent such as stearic acid and the like into 70 to 80 percent of natural inorganic ore powder such as heavy calcium, light calcium, talcpowder, titanium white powder and the like serving as main raw materials to modify the raw materials, adding 18 to 11.5 weight percent of polyethylene and 9 to 5 weight percent of polypropylene into the raw materials, and mixing, plasticizing and kneading the mixture to form a bulk material; and performing double-fold feed on the bulk material, pressing the bulk material into a paper film extruder, injecting 0.5 weight percent of butane and 0.5 weight percent of nucleating agent into the extruder, mixing and heating the mixture, extruding a paper film, then foaming, blowing, drawing, cooling and shaping the paper film to form a paper film base material, and forming a stone paper finished product through corona, coating, drying and finishing. The gram weight of stone paper is reduced by physical micro-foaming technology. The method has the advantages of simple manufacturing process, low cost, dry production, use of few water circulating cooling machines, no three-waste discharge and pollution avoidance.

The invention discloses a protective sealing door for an underground refuge chamber. The protective sealing door comprises a door frame and a door plate, wherein the door plate is arranged on the door frame through a rotation shaft; a locking mechanism for locking the door plate on the door frame is arranged on the door plate, a plurality of first reinforcing ribs for reinforcing the strength of the door plate are arranged in the door plate; heat-insulating materials, namely aerogel heat-insulating felts are filled among the reinforcing ribs; at least two annular sealing rings, namely flame-resisting sealing rings are arranged at the joint of the door plate and the door frame; and the periphery of the door plate is locked by the locking mechanism. According to the protective sealing door, the aerogel heat-insulating felts which can bear the temperature of 1,400 DEG C to the maximum are filled in the door plate, so that the door plate can resist high temperature generated during explosion, and the high temperature is insulated out of the refuge chamber; at least two sealing rings which are made of flame-resisting, anti-static, high temperature-resisting and oil-resisting materials are arranged on the contact surface of the door plate and the door frame, so that the protective sealing door has a good sealing effect.

The invention relates to a method for preparing polyurethane-polyurea coated fertilizer, comprising the following steps: dehydrating polyether polyol to obtain dehydrated polyether polyol, adding polyisocyanate to the dehydrated polyether according to the molar ratio of NCO to OH of 2-5, heating the temperature of the mixture of the dehydrated polyether and the polyisocyanate to 70-90 DEG C, making the mixture of the dehydrated polyether and the polyisocyanate react until the mass of NCO being 5-9 percent of the mass of the product of reaction, defoaming the product of reaction in vacuum to obtain -NCO-ended polyurethane prepolymer, filling fertilizer in a spray dryer, heating the fertilizer to 60 DEG C, mixing the polyurethane prepolymer with amine chain extender according to the mass ratio of 7-8:1 to obtain spraying liquid by controlling the fan frequency at 45 Hz, the nozzle atomization air pressure at 0.7-1.2 MPa, the inlet air temperature at 20-80 DEG C and the spray rate at 0.4-0.6 Kg/h, spraying the spraying liquid whose mass is 7-10 percent of the mass of the fertilizer on to the fertilizer, and curing the coating film to obtain the polyurethane-polyurea coated fertilizer.

The invention provides an anti-corrosion conductive coating and a preparation method thereof. The coating comprises: graphene, carbon nanotube, dispersant, epoxy resin, curing agent and auxiliary agent. Graphene and carbon nanotubes are uniformly dispersed in organic solvent under the action of dispersant, and added to epoxy resin to prepare graphene/epoxy coating. The process is simple and the comprehensive performance is excellent.

The invention provides a flame-retardant oil-resistant aging-resistant thermoplastic elastomer cable material prepared from the following raw materials in parts by weight: 100 parts of polyvinyl chloride SG-3, 10-20 parts of nitrile rubber N26, 10-15 parts of polycarbonate, 10-15 parts of poly(ethylene terephthalateco-1,4-cylclohexylenedimethylene terephthalate), 15-20 parts of a silane coupling agent, 30-40 parts of bisphenol-A bis(diphenyl phosphate), 20-30 parts of calcium carbonate, 1-2 parts of calcium silicate, 30-50 parts of barium stearate, 10-15 parts of cresyl diphenyl phosphate, 3-4 parts of glycerol trioleate, 2-3 parts of a crosslinking agent TAIC, 2-3 parts of stearic acid, 1-2 parts of N,N'-m-phenylenedimaleimide, 5-8 parts of alcohol ester-12, 0.5-1.0 part of PE wax, 1-2 parts of aluminum nitride powder, 1-2 parts of jade powder, and 8-10 parts of a modified filler. The flame-retardant oil-resistant aging-resistant thermoplastic elastomer cable material has the characteristics of flame retardancy, oil resistance, aging resistance, and acid and alkali resistance, and has lower specific density and low manufacture cost.

The invention relates to matte flame-retardant cold-resistant covering cloth. The covering cloth is prepared by performing gumming dipping and drying on base cloth, employing a PVC surface membrane and a PVC bottom membrane to bond with two faces of the base cloth, performing cooling fixing, then employing a fluorosilicone finishing agent to perform surface function processing, and then performing drying and reeling. A double-face bonding production technology of plain base cloth and the PVC surface membrane and the PVC bottom membrane is employed, also a flame retardant and a cold-resisting agent are added into the formula of the PVC membrane, so that the flame retardation performance and the cold resistant performance of the product are improved. The covering cloth possess good flame retardation performance, mechanical properties, cold resistance and the like, and also is greatly improved in applicability and added value by coating the covering cloth surface with a layer of the fluorosilicone finishing agent.

This invention discloses an expansion fire-retardant rubber with resistance to oil and heat, particularly being applicable to fire safety protection of conductor bundles in all enclosed spaces, and relates to the technical field of the fire-retardant rubber which is composed by the components with the following portions by weight: 40 to 60 percent of oil-resistant rubber, 5 to 10 percent of resin viscosity regulator, 20 to 40 percent of ammonium polyphosphate, 3 to 10 percent of melamine, 2 to 8 percent of zinc borate, 5 to 20 percent of nano-inorganic and 1 to 5 percent of silica white. The fuel immersion swelling rate of the fire-retardant rubber is zero; when the rubber thickness is less than or equal to 1.0mm, the fire resistance duration is more than or equal to 5 min with the flame temperature of 1200 DEG C and the protected substrate temperature of being less than or equal to 300 DEG C. The fire-retardant rubber of the invention has resistance to heat and ageing, and flexibility and can be used for the fire safety protection of various the conductor bundles.

The invention discloses a ship flange integration propulsion device. The ship flange integration propulsion device comprises a motor stator assembly, a motor rotor assembly, a propeller assembly, a guide tube, a rear guide cover, a front guide cover, a first water lubricated bearing, a second water lubricated bearing, an axle, a rear propeller hub cap, a front propeller hub cap, front guide cover connecting plates, rear guide cover connecting plates, a front end cover, a rear end cover and a fiber reinforced polymer sleeve, wherein the front end cover, the rear end cover and the fiber reinforced polymer sleeve are used for sealing the stator assembly, a closed space is formed among the stator assembly, the guide tube, the front end cover, the rear end cover and the fiber reinforced polymer sleeve, and the closed space is filled with epoxy resin. A static sealing structure is formed between the motor stator assembly and the guide tube, the sealing effect is good, and the technical problem that in the prior art, seawater may enter a stator can be effectively solved. In addition, due to the fact that a flange structure mode is adopted, paddles transmit hydrodynamic load at paddle tip conveniently; meanwhile, tip vortex is avoided, and the propulsive efficiency is further improved.

The invention relates to a colourful environmental-friendly synthesized polymer waterproof paint which comprises the following components in parts by weight: 3-7 parts of petroleum resin, 5-15 parts of styrene-ethylene-butylene-styrene (SEBS), 5-15 parts of styrene-butylene-styrene (SBS), 5-10 parts of thermoplastic polyurethane elastomer, 4-8 parts of terpene resin, 4-8 parts of poly-alpha-methyl styrene, 2-5 parts of tung oil, 10-15 parts of mica powder, 0.2-0.5 part of antiager D, 0.2-0.5 part of antioxidant 264, 0.2-0.5 part of defoaming agent, 0.3-0.5 part of ultraviolet absorber, 35-45 parts of 120 # solvent, 5-15 parts of butyl acetate and 1-3 parts of color paste. The paint has the characteristics of unique waterproof property, acid-base resistance, ultraviolet irradiation resistance, heat insulation, anti-aging property, high adhesion strength, water repellent, good leakage-resisting effect, heat resistance, frost resistance and good elongation; and the paint also has the advantages of wide application range, moderate price, environmental friendliness, durability and the like, and is convenient to use, thereby meeting the demand of people in a real life.

The invention discloses a macromolecule composite metal healant containing two components which are separately prepared and are used together. The invention also discloses preparation and use methods of the macromolecule composite metal healant. The macromolecule composite metal healant has the following advantages: 1, the material after being cured has high strength and can be used for various mechanical reprocessing; 2, the macromolecule composite metal healant has high combination strength with metal and composite materials; the macromolecule composite metal healant has wide application range, and is suitable for repairing and reproducing various metal materials with defects; the macromolecule composite metal healant has the characteristics of resisting against abrasion, aging, high temperature, oil, weak acid-base media and the like; 5, no micromolecule is volatilized during the curing period, and the solid has no shrink. The preparation process disclosed by the invention is simple and easy to implement and is favorable for scale production.

The invention relates to a formula of a nylon hose. The nylon hose prepared according to the formula provided by the invention is mainly applied to oil hoses and brake hoses of cars. The formula proportion of the nylon hose in parts by weight is as follows: 100 of long-chain nylon, 1-30 of polyamide elastomer, 0-30 of a plasticizer, 0.1-3.0 of an antioxidant, and 0.1-3.0 of a lubricant. The nylon hose prepared by the formula provided by the invention has the characteristics of high strength, good low-temperature flexibility, oil resistance, good dimensional stability, stable extrusion molding and the like; and after the nylon hose is processed into tubing, the tubing completely accords with the requirements of the standard of DIN73378:1996-02, and completely meets the requirements of replacing the imported tubing PA11 and PA12.

The invention provides a wood-plastic sectional material that is synthesized by fast-growing wood veneer, corner offal of artificial boards that take the fast-growing wood as raw material and water-soluble phenol aldehyde resin adhesive and produced through production procedures of material selection-treatment-drying-gumming-gelatin-mould pressing-solidifying-post solidify. The density of the sectional material is 900-1300kg/m<3>, the hardness is 55-120MPa, the scale length is 500-5000mm, the width is 100-1300mm, the thickness is 15-200mm, 24-hour absorbing water thickness expansion rate is 0.6-3 percent and the formaldehyde release quantity is less than 1.5MG/L. The invention enhances the utilization of the fast-growing wood and the wood-plastic sectional material produced has high density and is a high quality material with the advantages of waterproof, heatproof, oil proof, age resistant, fungus resistant, chemical mediator resistant and better security, thereby being applicable to being used for making furniture, floor, decoration material, building moulding board, structure parts, motherboard of containers, track ties, and so on. The invention can also promote the utilization of the fast-growing wood and virtuous circle of the utilization of the wood, thereby having great environmental protection value.

The invention discloses a low-temperature-resistant fluororubber heat-shrinkable casing, which consists of the following components in parts by weight: 100 parts of fluororubber elastomer, 20-60 parts of polyvinylidene fluoride resin, 5-10 parts of an acid-acceptor, 30-40 parts of a filling agent and 0.5-3 parts of a plasticizer, wherein the fluororubber elastomer is a blend of two or more of a vinylidene fluoride-trifluorochloroethylene copolymer, a vinylidene fluoride-hexafluoropropylene copolymer and a vinylidene fluoride-trifluorochloroethylene-hexafluoropropylene copolymer; the polyvinylidene fluoride resin is one or a mixture of a 1,2-polyvinylidene difluoride homopolymer and a 1,2-polyvinylidene difluoride-hexafluoropropylene copolymer. The low-temperature-resistant fluororubber heat-shrinkable casing is excellent in low temperature resistance, flame retardation, mechanical property, aging resistance and thermal shock performance.

The invention discloses a preparation method of environment-friendly type three-prevention automobile needling finishing material, which comprises the following steps: firstly, cleaning blankets, namely placing automobile finishing base blankets into dissolvent to clean for a certain period, flushing by deionized water, and drying for stand-by, secondly, low-temperature plasma treatment, namely placing automobile finishing base blankets after cleaning in a low-temperature plasma treatment instrument to conduct electro discharge treatment, improving the reactivity of subsequent finishing agent and materials, and improving durability, thirdly, slop padding method treatment, namely, immersing automobile finishing base blankets after plasma treatment into fluorine-containing organic finishing agent solution to conduct two-leaching and two-rolling treatment, conducting baking and thermal treatment in a baking box, and preparing to get environment-friendly type three-prevention automobile needling finishing material. The automobile needling finishing material is a clean and environemt-friendly vehicle-used textile material with 'three-prevention' functions of preventing water, oil and sewage.

The invention discloses a preparation process for a high-temperature-resistant high-thermal-conductivity insulating paint, belonging to the technical field of paints. The paint comprises the following raw materials by mass: 12 to 23% of epoxy modified organosilicone resin, 33 to 48% of a solvent, 0.7 to 0.9% of a silane coupling agent, 36 to 42% of a filling material, 0.1 to 0.3% of a curing agent, 0.03 to 0.08% of ceramic powder and 0.02 to 0.07% of nanometer diamond. The paint prepared in the invention can be used for a long time at a high temperature and has good stability, insulating properties, wear resistance and good corrosion resistance; and the preparation process is simple and has good operability.

The invention discloses three-functionality-degree organosilicon polyurethane acrylate and a synthetic method thereof. The invention is characterized in that an epoxy radical silane coupling agent is used for modifying a primary amino radical parhelium radical silane coupling agent to obtain a modified silane coupling agent containing three functional groups with active hydrogen; vulcabond and polymer dihydric alcohol are used for carrying out a reaction to obtain a polyurethane performed polymer (1) with NCO radical groups on both ends; then, hydroxy acrylic acid ester and the polyurethane performed polymer (1) are used for carrying out a reaction to obtain a polyurethane performed polymer (2) with an NCO radical group on one end; and finally, the polyurethane performed polymer (2) and the modified silane coupling agent react to obtain the three-functionality-degree organosilicon polyurethane acrylate. The invention has simple technology of the synthetic process and easy control, a product has regular structure, narrower molecular weight distribution and good consistency, the materials have the excellent properties of humidity resistance, heat resistance, weather resistance, oil resistance, good flexibility and low surface energy, and the invention can be applied to the industries of paint and adhesives.

The invention relates to a multiple curable aqueous hyperbranched polyurethane inorganic nanomaterial hybrid coating agent and a preparation method thereof. The coating agent comprises the following compositions in percentage by mass: 20 to 45 percent of polyurethane shown in a structural formula below, and 55 to 80 percent of deionized water. A film coated by the coating agent has the characteristics of flatness, smoothness, temperature resistance, oil resistance and the like, and has excellent low-temperature toughness performance. Leather coated by the coating agent has the characteristics of high gloss, good hand touch, abrasion resistance, difficult cracking, good elasticity, excellent water resistance and deflection resistance, and the like.

The invention discloses an anti-static, anti-corrosion, waterproof and stretching-resistant insulated cable. The anti-static, anti-corrosion, waterproof and stretching-resistant insulated cable comprises a cable body. The cable body comprises cable cores, a cable core protective layer, an insulating layer, a shielding layer and an outer jacket. The cross section of the cable core protective layer is of a circular structure, and the multiple evenly-arranged cable cores are arranged in the cable core protective layer and separated through PVC plastic connecting rods; a plurality of current guide cores are arranged outside the cable core protective layer and are tangent with the cable core protective layer; the insulating layer is arranged outside the cable core protective layer; waterproof fillers are arranged in a gap between the insulating layer and the cable core protective layer; the shielding layer is tightly extruded on the insulating layer and internally provided with the multiple evenly-arranged current guide cores; a breakdown resistant layer, a steel core protective layer and a waterproof layer are sequentially extruded on the shielding layer from inside to outside; an armor layer is extruded outside the waterproof layer, the outer jacket is arranged outside the armor layer, and a graphite layer is arranged between the armor layer and the outer jacket. The anti-static, anti-corrosion, waterproof and stretching-resistant insulated cable has the advantages of being reasonable in structural design, high in anti-static capacity, good in anti-corrosion performance and the like.

The invention relates to a formulation of a sole, in particular to formulation of a military sole, comprising the formulations for forming an outer bottom and a middle layer of the sole, wherein the formulation of the outer bottom based on the parts by weight comprises: 47-51 parts of nature rubber, 49-53 parts of chloroprene rubber, 0.7-0.9 part of vulcanizing agent S-80, 2.4-2.6 parts of accelerating agent, 1.9-2.1 parts of magnesium oxide, 4.5-5.5 parts of zinc oxide, 4.5-5.5 parts of antimony oxide, 1.9-2.1 parts of stearic acid, 1.9-2.1 parts of zinc stearate, 20-24 parts of high wear resistance carbon black, 2-4 parts of engine oil 46#, 6-8 parts of dibutyl ester, 1.4-1.6 parts of anti-aging agent, 0.8-1.2 parts of paraffin wax and the like; and the formulation of the middle layer based on the parts by weight comprises: 47-51 parts of nature rubber, 49-53 parts of chloroprene rubber, 0.9-1.1 parts of sulphur, 2.5-2.7 parts of accelerating agent, 4.5-5.5 parts of zinc oxide, 1.9-2.1 parts of magnesium oxide, 3.8-4 parts of antimony oxide, 6.3-6.7 parts of decabromodiphenyl oxide, 1.9-2.1 parts of stearic acid and the like. The sole prepared by the formulation has good wear resistance and folding resistance, and has the performances of oil resistance, acid-base resistance, inflaming retarding, static electricity prevention and the like, thus meeting the military requirements.

The invention discloses a carbon nanotube epoxy resin composited static conductive coating material and a fabrication method thereof. As a carbon nanotube with a special effect is adopted as a static conductive body, the carbon nanotube epoxy resin composited static conductive coating material is good in electrical conductivity; as the carbon nanotube is subjected to chemical and mechanical dispersion and complex treatment, the carbon nanotube is adaptable to an anti-corrosive paint system; a static conductive coating formed by the carbon nanotube epoxy resin composited static conductive coating material has comprehensive properties of durable oil resistance, water resistance, heat resistance, corrosion resistance, solvent resistance, no pollution to an oil product, no influence on regeneration of storage tank steel and the like; and the static conductive coating meets relevant requirements of GB6950-2001'Safe Rest Conductivity of Light Fuel Oil' in a standard exceeding manner, and is very good in stability.

The invention discloses an oil-resistant, insulating, acid and alkali resistant, and high temperature resistant multifunctional safety shoe. Raw material compositions of a shoe sole of the safety shoe comprise 17.5 to 52.5 weight percent of oil-resistant rubber, 7.5 to 22.5 weight percent of natural rubber, 10 to 30 weight percent of carbon soot, 5 to 15 weight percent of pottery clay, 5 to 15 weight percent of barium sulfate, 0.7 to 2.1 weight percent of stearic acid, 2.5 to 7.5 weight percent of dibutyl ester, 0.25 to 0.75 weight percent of accelerant M, 0.25 to 0.75 weight percent of accelerant DM, 0.5 to 1.5 weight percent of sulfur, 0.1 to 0.3 weight percent of TMTP, and 0.7 to 2.1 weight percent of vaseline. The multi-functional safety shoe has the performances of oil resistance, insulation, acid and alkali resistance, and high temperature resistance.