52results about How to "Excellent high and low temperature resistance" patented technology

The invention discloses an oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring which is prepared by carrying out banburying, open refining and secondary vulcanization on the raw materials of chlorhydrin rubber, polyacrylate rubber, shellac, and the like. The sealing ring provided in the invention has the advantages of oil resistance, aging resistance, excellent high temperature resistance and low temperature resistance, high tensile strength and a simple preparation method.

The invention discloses a temperature-resistant silicone-rubber-mixed rubber sealing ring which is prepared by carrying out banburying, open refining and secondary vulcanization on the raw materials of silicone rubber, nitrile rubber, and the like. The sealing ring provided in the invention has the advantages of high tensile strength, excellent high temperature resistance and low temperature resistance and a simple preparation method.

The invention relates to a 12-oxystearic acid and boric acid composite lithium prefabricated soap lubricating grease composition and a preparation method thereof. The composition is prepared from a thickening agent comprising (A) 12-oxystearic acid, (B) boric acid and (C) lithium hydroxide, and (D) basic lubricating oil. The invention further relates to a preparation method of the 12-oxystearic acid and boric acid composite lithium prefabricated soap lubricating grease composition. The preparation method comprises the following step: in an acceptable solvent environment, preparing 12-oxystearic acid and boric acid composite lithium prefabricated soap as a thickening agent of the lubricating grease composition, wherein the solvent is an organic solvent such as ethanol or acetone which is harmless to human bodies, or water as well; the lubricating grease composition comprises 5-40% (by weight) of the thickening agent and 60-95% (by weight) of the basic lubricating oil; the basic lubricating oil can be ore oil, synthetic hydrocarbon, PAO, synthetic ester oil, polyether, polysiloxane and the like, and the synthetic ester oil has higher advantages when being compared with those of otherthickening agents.

The invention relates to thixotropic optical fiber filling paste for a ribbon optical cable, which mainly comprises base oil, an oil separation inhibitor, a pour point depressant, an antioxidant, an organic gelling agent, an inorganic gelling agent and a thixotropic agent. The invention also provides a preparation method for the thixotropic optical fiber filling paste for the ribbon optical cable. The thixotropic optical fiber filling paste for the ribbon optical cable is mainly characterized in that: the thixotropic optical fiber filling paste has excellent colloid stability and oxidation stability, heat resistance, weather resistance, non separation of oil in a system, low acid value, high thixotropic index, high water resistance, no emulsification, good high-temperature trickle-down property, high temperature resistance and low temperature resistance, is mainly used to be filled in a loose tube of the ribbon optical cable so as to prevent water or other fluid from flowing into or moving into the optical cable, and provides excellent effects of resisting water, buffering and the like for the optical cable.

The invention provides a level-200 polyesterimide enameled wire which is prepared from the following components in parts by mass: 37 to 53 parts of polyesterimide resin, 9 to 17 parts of composite fiber, 13 to 17 parts of a filler and 2 to 5 parts of an adjuvant, wherein the composite fiber is prepared from silicate fiber and carbon fiber according to a mass ratio of (5 to 8):1; the filler is prepared from silica aerogel and ceramic; the adjuvant is prepared from an acidic aqueous solution of tetraethoxysilane, fire retardant liquid and repair liquid. The invention further provides a method for preparing the level-200 polyesterimide enameled wire. Due to a creative component proportion and a creative process, the prepared enameled wire is excellent in mechanical strength, and is also excellent in high temperature resistance, insulating property and coolant resistance; once the surface is broken, the fire retardant liquid and the repair liquid can form a layer of anti-temperature insulating film, so that precious time can be reserved for repair of a line; moreover, the components are easy to obtain and low in cost, and the manufacturing process is relatively simple.

The invention relates to a hot melt type flame retardation filling paste for a cable, and the filling paste mainly is composed of base oil, an oil product fire retardant, polyisobutylene, a separating oil inhibitor, polyethylene wax, a fire retardant and an anti-oxidant. The invention provides a preparation method of the hot melt type flame retardation filling paste for a cable. The hot melt typeflame retardation filling paste for a cable mainly has the characteristics of good flame resistance, colloid stability, oxidation stability, heat resistance, weatherability, no oil separation of a system, small acid value, strong water-resistance, free of emulsification, excellent high and low temperature performance, excellent electrical performance and excellent dielectric property. The fillingpaste mainly is suitable for being heated and filled into air gap of a multi-conductor wire cable core or gap between cable components of any structure. Water or other fluid is prevented from flowingor migrating into the cable. Effects of flame retardation, insulation, waterproof, moistureproof, buffering and the like are provided for the cable.

The present invention discloses a micro-cable optical fiber filling paste comprises: 70-85 wt% of base oil; 1-8 wt% of solid lubricant; 2-10 wt% of lubrication adhesive compound; 2-10 wt% of thickening agent; 2-10 wt% of oil separation inhibitor; 2-10 wt% of viscosity index improver; and 0.3-1 wt% of anti-oxidant. The present invention also provides a preparation method for the micro-cable optical fiber filling paste. The micro-cable optical fiber filling paste has the advantages of excellent fluidity, lubricity, thixotropy, adhesiveness, temperature toleration, hear resistance and weatherability; non separation of oil in a system; low acid value; large penetration degree; and low viscosity. Therefore, the micro-cable optical fiber in a sleeve and a cable core in the micro-cable always be in a most free and unstressed state, and the optical cable performance is guaranteed for stable and safe transmission for a long time.

The invention provides an optical cement, which comprises an acrylic ester monomer, photoinitiator, tackifying resin and liquid rubber. The optical cement also comprises acrylic acid modified resin, wherein the acrylic acid modified resin is at least one of acrylic acid modified polybutadiene resin, methacrylic acid modified polybutadiene resin, acrylic acid modified polyisoprene resin and methacrylic acid modified polyisoprene resin. The optical cement has relatively high refraction coefficient and reliability. The invention also provides an optical cement film and a preparation method of the optical cement film.

The invention discloses a compounded rubber seal ring which comprises components of raw materials in parts by mass as follows: 150-180 parts of butadiene styrene rubber, 100-120 parts of polyurethane rubber, 5-10 parts of calcite powder, 10-12 parts of calcium carbonate, 8-10 parts of aluminum hydroxide, 10-12 parts of zinc hydroxide, 3-5 parts of zinc phosphate, 5-6 parts of white carbon black, 6-10 parts of bentonite, 8-10 parts of kaolin and 6-8 parts of silicone oil. The compounded rubber seal ring is wear-resisting and durable, has excellent high-temperature and low-temperature resistance properties and high tensile strength, and a preparation method is simple.

The invention discloses TPK desulfurized rubber powder/SBS (styrene butadiene styrene) composite modified asphalt and a preparation method thereof, aiming at the defect of insufficient performance of common rubber asphalt, the economic TPK desulfurized rubber powder/SBS composite modified asphalt with balanced performance is designed by adopting materials such as matrix asphalt, TPK desulfurized rubber powder, SBS and a stabilizer. The high-temperature and low-temperature performance is excellent, the viscosity is proper, and the storage stability is relatively good.

The invention discloses a self-healable graphene composite material for an anticorrosion coating. The self-healable graphene composite material comprises graphene oxide and polydimethylsiloxane, the graphene oxide accounts for 1-20% of the weight of the polydimethylsiloxane. The invention further discloses a preparation method of the self-healable graphene composite material for the anticorrosioncoating. The preparation method includes the steps: uniformly stirring and mixing the graphene oxide and the polydimethylsiloxane; placing mixture into a vacuum drying chamber, performing standing for0.5 hour or more, injecting organic solvents accounting for 1-6 times of the polydimethylsiloxane, and diluting and stirring the mixture to obtain precursor liquid; pouring the precursor liquid to the surface of a substrate, spreading the precursor liquid on the surface of the substrate and performing vacuum drying to obtain the self-healable graphene composite material. The material is good in plasticity, flexibility and stability, can be subjected to surface processing and has self-healing ability. The method is simple in process and suitable for batch production.

The invention brings forward an oil-resistant sealant, which at least contains a liquid polysulfide rubber, isocyanate and an epoxy resin carrier and is prepared by using dibutyltin dilaurate or triethylenediamine as a catalyst. A preparation method of the oil-resistant sealant comprises the following steps of: a) weighing ingredients: respectively weighing the epoxy resin, the liquid polysulfide rubber and isocyanate by a balance and placing the ingredients into a crucible; b) stirring: fully and uniformly stirring by using a glass rod; c) adding a catalyst: dropping dibutyltin dilaurate, and fully and uniformly stirring; d) standing: standing at normal temperature for 5 min. The technological method provided by the invention is simple and can be used to remarkably improve the product's oil resistance, insulating properties, air tightness and water tightness. By the adoption of the preparation method, defects of rubber sealants in the prior art such as low adhesive strength, poor oil resistance and many bubbles after solidification is avoided, and the problem that a sealant which is immersed in oil for a long time is easy to age and crack is solved.

The invention discloses an optical cable GTL base oil filling paste. The optical cable GTL base oil filling paste is mainly composed of GTL base oil, oil decomposition inhibitor, thermoplastic synthetic rubber, antioxidant and thickener. The invention further discloses a preparing method of the optical fiber GTL base oil filling paste. The optical fiber GTL base oil filling paste has the advantages of being low in density, good in low-temperature performance and capable of being safely used as factice products for replacing synthetic oil in an environment of minus 50 DEG C, having good colloid stability, oxidation stability, heat resistance and weather resistance and being system-oil-decomposition-free in system and low in acid value; being high in thixotropic index, low in viscosity, strong in water-resistance, emulsification-free, good in high temperature drip, wide in environment temperature application range, and enabling an optical fiber to be always in a stress-free state inside a buffer tuber and a cable core to be always in a stress-free state inside a cable.

The invention belongs to the technical field of plastic-wood materials, particularly relates to a plastic-wood composite material with high static bending, wear resistance and high and low temperatureresistance, and further relates to a preparation method of the composite material. The plastic-wood composite material with high static bending, wear resistance and high and low temperature resistance is characterized in that the composite material is mainly prepared from polybismaleimide modified wood flour, a styrene-N-phenylmaleimide copolymer, high-wear-resistance nylon resin and glass fiberreinforced high-density polyethylene through extrusion granulation and molding. According to the invention, the static bending strength of the finally obtained plastic-wood composite material productreaches 70-73MPa, the wear value is 10.1-11.4 mg/100r, and the high and low temperature resistance and the scratch resistance are excellent.

The invention discloses ceramic low-smoke and halogen-free polyolefin particles and a preparation method thereof. The ceramic low-smoke and halogen-free polyolefin particles are prepared from the following raw materials in parts by mass: 5 to 10 parts of glass powder with a high softening point, 5 to 10 parts of glass powder with a low softening point, 3 to 5 parts of organic montmorillonite, 70 to 90 parts of polyolefin, 5 to 10 parts of modified polypyrrolone and 5 to 10 parts of polybenzimidazole, wherein the softening temperature of the glass powder with the high softening point is 600 to800 DEG C and the softening temperature of the glass powder with the low softening point is 500 to 600 DEG C. The ceramic low-smoke and halogen-free polyolefin particles provided by the invention haveexcellent flame-retarding performance, fireproof performance, insulation performance, high temperature resistance performance, low temperature resistance performance, machinability and excellent environment protection performance.

The invention discloses a long-acting antistatic nano nylon master batch. The long-acting antistatic nano nylon master batch is prepared from the following components in parts by mass: 80 to 90 parts of PA6, 5 to 10 parts of a nano antistatic agent, 1 to 5 parts of a slipping agent, 1 to 5 parts of an anti-blocking agent, 0.05 to 0.2 part of an antioxidant and 0.3 to 0.6 part of a lubricating agent. The invention also discloses a preparation method of the long-acting antistatic nano nylon master batch. The long-acting antistatic nano nylon master batch prepared by a scientific and reasonable formula and process has excellent opening smoothness, antistatic property, high temperature resistance, high and low temperature resistance and mechanical properties, can be applied to occasions with relatively high requirements on antistatic property, high temperature resistance, high and low temperature resistance and mechanical properties, is simple in process, and can be better produced and applied in a large scale.