31results about How to "Improve heat aging cracking resistance" patented technology

The invention discloses an anti-corrosion and wear-resistant rotatable medical device, which comprises a fixed plate, a universal wheel is arranged on the bottom of the fixed plate, and a support plate is arranged on one side of the top of the fixed plate, and one end of the top of the support plate is An armrest is provided, and the end of the top of the support plate away from the armrest is provided with a first receiving rod, and the first receiving rod is provided with a second receiving rod corresponding to the top of the fixing plate. In the present invention, the first receiving rod, the second receiving rod, the ball bearing, the rotating collar, the supporting rod, the connecting block, the restricting block, the moving groove and the sliding groove are arranged and used in cooperation with each other, so as to realize the combination of the first placement and the second placement. The tray is rotatable, which facilitates the removal of the second placement tray, and facilitates the taking of instruments at different positions of the first placement tray and the second placement tray, which saves time, reduces the workload of medical staff, and plays an important role in the health of medical staff. protective effect.

The invention provides a garden water system water circulating purifying technology. The garden water system water circulating purifying technology comprises the steps of establishment of a water system, driving of water flow circulating, filtering, biological inactivation treatment, gas floating purifying treatment, water conditioning and water mixing. By means of the garden water system water circulating purifying technology, the working efficiency of daily management and purification work of the garden water system can be effectively improved, and water environment pollution phenomena caused by water eutrophy, suspended solids, pond mud at the bottom of water and the like are avoided; the garden water landscape environment is not influenced while water purification work is carried out, few water resources are consumed, the circulation utilization rate is high, various contamination ingredients in water can be effectively purified and recycled, and the resource utilization rate is increased; meanwhile, water quality can be effectively regulated, the quality of purified water matches with the quality of garden landscape water, and the phenomenon that due to water quality differences and changes, organisms in garden landscape water do not adapt to the garden landscape water due to changes of the living environment and even die can be avoided.

The invention discloses an inorganic vitrification fiber modified nano base material and a preparing method thereof. The base material is prepared from organic silicon resin, organic solvent, vitrified beads, titanium dioxide, quartz sand, silicon carbide micro powder, nano cerium oxide, polyoxalate, light calcium carbonate, high-water-retention polyvinyl alcohol, dispersant, a thickening agent, a brightening agent, zinc sulfide, foamed aluminum, hydroxypropyl methyl cellulose, nanosilicon dioxide, a binding agent, cobalt naphthenate, molybdenum, nickel, propylene glycol and chromium. The nano base material is special for a building outer wall, performance in various aspects, such as high temperature resistance, fireproof performance, skid resistance, waterproof performance, moisture absorbing performance, abrasion resistance, oxidation resistance and corrosion resistance, of the building outer wall is effectively improved, and particularly thermal insulation performance is remarkably improved. The mechanical property of the material is enhanced by adopting pitch-based carbon fiber, and harmful gas and dust substances in tail gas can be adsorbed and removed greatly.

The invention discloses a magnetic modified anti-radiation functional color master batch plastic material and a preparation method thereof. The material is composed of the following raw materials in parts by weight: 15-25 parts of phthalate butyl glycol ester, 10-15 parts of tetrafluoroethylene-hexafluoropropylene copolymer, 10-20 parts of acrylonitrile-styrene-acrylate copolymer, 60-80 parts of polycarbonate, 10-15 parts of nanometer barium carbonate, 20-25 parts of aramid staple fiber and 2-10 parts of silicon carbide wafer. The phthalate butyl glycol ester, the tetrafluoroethylene-hexafluoropropylene copolymer, the acrylonitrile-styrene-acrylate copolymer and the polycarbonate are mixed, so that the toughness, abrasive resistance, chemical stability, impact strength and radiation resistance of the material can be promoted; the polymer blends of the raw materials, such as, nanometer barium carbonate, aramid staple fiber and silicon carbide wafer, are blended and modified, so that the radiation resistance of the material can be promoted; on the basis of nanometer graphene among layers, the pore and specific surface area of a compound adsorption film are improved, and the effect is enhanced; and the magnetic modified anti-radiation functional color master batch plastic material meets the color requirement and the compound performance requirement.

The invention discloses intelligent sound-proof environment-friendly nano modified rubber and a preparation method thereof. The intelligent sound-proof environment-friendly nano modified rubber is prepared from the following raw materials: 5-8 parts of dimethylvinylethoxysilane, 4-6 parts of polyoxyethylene fatty alcohol sodium sulfate, 8-10 parts of allophane powder, 15-20 parts of maleic anhydride grafted polyvinyl chloride, 50-70 parts of polystyrene, 20-30 parts of poly-isocyanurate, 5-8 parts of glass pumice, 4-6 parts of porous manganese slags and 6-8 parts of hollow microbeads. The adopted chitosan is capable of absorbing bacteria with negative charges since molecules have positive charges, so that the intelligent sound-proof environment-friendly nano modified rubber has a sterilization function; in structure, fibrous membrane layers which are different in diameter and pore are prepared; in combination with nano graphene between layers, the pore and specific surface area of a composite adsorption membrane are improved, so that the efficacy is enhanced.

The invention discloses an oil-resistant and wear-resistant modified PVC resin nanometer environment-friendly construction materials and a preparation method. The construction material comprises organic silicon resin, organic solvent, vitrified micro-beads, titanium dioxide, quartz sand, silicon carbide micropowder, nanometer cerium oxide, ethanedioic polyester, light calcium carbonate, water-retaining resin polyvinyl alcohol, dispersant, thickener, brightener, zinc sulfide, foamed aluminum, hydroxy propyl methyl cellulose, nanosilicone dioxide, adhesive, cobalt naphthenate, molybdenum, nickel, propylene glycol, and chromium. The construction material is used for exterior walls of buildings specially, all performances of the exterior walls are effectively improved, nitrile rubber modifled bakelite, is mixed with the raw material and cured after being heated, melted resin turns into unmelted body structure rapidly from the linear structure. Mechanical performance is improved, and performance of high temperature resistance and low expansion is achieved. With pitch-based carbon fibers, mechanical performance of the material is enhanced, harmful gas and dust in the tail gas can be greatly absorbed and removed.

The invention discloses a carbon fiber oil-resisting modified nano green and environment-friendly construction base material and a preparation method thereof. The carbon fiber oil-resisting modified nano green and environment-friendly construction base material is prepared from the following raw materials: polypropylene fibers, starch ether, fly ash, polypropylene chopped fibers, metakaolin, silicon carbide micro-powder, nano carbon dioxide, white alum, organic silicon resin, nano cerium oxide, vitrified micro-beads, titanium dioxide, and foam aluminum, cobalt, strontium, gallium and chromium. According to the carbon fiber oil-resisting modified nano green and environment-friendly construction base material, nitrile butadiene rubber and polyurethane rubber are compounded so that the base material has excellent oil resistance and good wearing resistance, anti-aging performance and air tightness; an adhesion system is composed of auxiliary agents including 12-methyl hydroxystearate, magnesium methacrylate, vinyltris(methylethylketoximino)silane and the like, and plays an important role in the adhesion of rubber and nylon 66 short fibers, and the rigidity of a rubber product is improved; and added polypropylene glycol adipate and diethylene glycol dibenzoate are matched, so that the oil resistance of the rubber is improved and the temperature resistance of the rubber is enhanced.

The invention discloses a medical storage device with an anti-aging function. The medical storage device comprises a storage cabinet shell, wheels are arranged on the bottom of the storage cabinet shell, a bottom box is arranged on the bottom of the inner wall of the storage cabinet shell, a vacuum pump is fixedly arranged on the bottom of the inner wall of the bottom box, an air inlet pipeline is arranged on the top of the vacuum pump, an air outlet pipeline is arranged on one side of the vacuum pump, a first air duct is communicated with the end, away from the vacuum pump, of the air outlet pipeline, and the end, away from the air outlet pipeline, of the first air duct penetrates through the storage cabinet shell and extends to the exterior of the storage cabinet shell. The medical storage cabinet with the anti-aging function is provided with the vacuum pump and the pipelines, the vacuum pump and the pipelines are used for removing air in the storage cabinet, and a vacuum state is reached, and an environment for reducing bacteria breeding is created; by arranging a heater, the temperature of the storage cabinet is raised, and under the combined action of the heater and an ultraviolet lamp, bacteria are killed, the risk that a patient is infected by the bacteria is reduced, and the probability that the patient is infected by infectious diseases is reduced.

The invention discloses an anti-aging nano modified masterbatch carrier for controlling radiation and a preparation method thereof. The anti-aging nano modified masterbatch carrier comprises the following raw materials in parts by weight: 15-25 parts of phthalate butyl glycol ester, 10-15 parts of a tetrafluoroethylene-hexafluoropropylene copolymer, 10-20 parts of an acrylonitrile-styrene-acrylate copolymer, 60-80 parts of polycarbonate, 10-15 parts of nano barium carbonate, 20-25 parts of an aramid short fiber and 2-10 parts of silicon carbide platelets. Phthalate butyl glycol ester, tetrafluoroethylene-hexafluoropropylene copolymer and acrylonitrile-styrene-acrylate copolymer are mixed with polycarbonate, so that the toughness, the wear resistance, the chemical stability, the impact strength and the radiation resistance of the material are improved; polymer blends such as nano barium carbonate, the aramid short fiber and the silicon carbide platelets are blended and modified, so that the radiation-proof property of the material can be improved; and meanwhile, gas harmful to a human body is not generated at a relatively high temperature and the properties of the high temperature resistance and the tear resistance are perfectly fused, so that the anti-aging nano modified masterbatch carrier can be applied to various bad conditions for working.

The invention discloses an oil-resistant environment-friendly fiber-modified nano architectural substrate and a preparation method thereof. The oil-resistant environment-friendly fiber-modified nano architectural substrate is prepared from the following raw materials in parts by weight: 50-60 parts of nitrile-butadiene rubber, 30-40 parts of polyurethane rubber, 10-15 parts of methyl 12-hydroxystearate, 8-12 parts of magnesium methacrylate, 6-10 parts of vinyltris(methylethylketoximino)silane, 20-25 parts of nylon 66 short fiber, 5-10 parts of propylene glycol polyadipate and 10-16 parts of diethylene glycol bis allyl carbonate. The compound of the nitrile-butadiene rubber and polyurethane rubber has excellent oil resistance, favorable wear resistance, favorable aging resistance and favorable air tightness; the methyl 12-hydroxystearate, magnesium methacrylate, vinyltris(methylethylketoximino)silane and other aids constitute the bonding system and perform an important function on the bonding between the rubber and nylon 66 short fibers, thereby enhancing the hardness of the rubber product; and the added propylene glycol polyadipate and diethylene glycol bis allyl carbonate are matched to enhance the oil resistance and the temperature resistance of the rubber. By using p-tosyl semicarbazide, fluorocarbon-base silicone oil and 4,4-oxo-bis benzenesulfonyl hydrazide, the prepared material is in a slight foamed state, so the pore structure becomes finer and thicker. Structurally, fibrous membranes with different diameters and porosity are prepared, and the nano graphene for binding the layers improves the porosity and specific area of the compound adsorption membrane and enhances the efficacy.

The invention discloses an anti-vibration environmental-protection nano film package material and a preparation technology thereof. The invention provides the anti-vibration environmental-protection nano film package material and the preparation technology thereof. According to the invention, nitrile rubber-modified phenolic resin and a raw material are mixed, solidification is carried out while heating, under effect that methylene is decomposed by urotropine, fusion resin is rapidly conversed to a non-fusion build structure by a linear structure; machinery performance is improved, and the material has the performances of high temperature resistance and low expansion. On a structure, a fiber film layer having different diameters and apertures is prepared, nano grapheme between layers is combined, aperture and specific surface area of the composite adsorption film are improved, and the efficacy is enhanced. The asphalt based carbon fiber is employed for enhancing the mechanical properties of the material so as to greatly absorb and remove the harmful gas and dust substance in tail gas.

The invention discloses an anti-aging and abrasion-proofing type medical recycling bin. The anti-aging and abrasion-proofing type medical recycling bin comprises a bin body, wherein the bin body is prepared through the following components in parts by weight: 20-25 parts of butylene terephthalate, 15-20 parts of tetrafluoroethylene-hexafluoropropylene copolymer, 25-30 parts of acrylonitrile-styrene-acrylate copolymer, and 60-80 parts of polycarbonate. According to the anti-aging and abrasion-proofing type medical recycling bin, butylene terephthalate, tetrafluoroethylene-hexafluoropropylene copolymer, acrylonitrile-styrene-acrylate copolymer and polycarbonate are blended, so that the toughness, the abrasion proofing performance, the chemical stability, the impact intensity and the radiation resistance of the materials can be improved; the anti-aging and abrasion-proofing type medical recycling bin has the advantages that tilting can be prevented, and the problems that the medical recycling bin tilts to cause environmental pollution, and cleaning workers of a hospital waste time to clean, can be solved.

The invention discloses an expansion-proof fiber modified nano-adsorption building base material and a preparation method for the same. The expansion-proof fiber modified nano-adsorption building base material is prepared from the following raw materials in parts by weight: 50 to 70 parts of activated carbon, 12 to 20 parts of montmorillonite, 5 to 12 parts of nano-titania, 1 to 10 parts of gamma-aminopropyltriethoxysilane, 6 to 12 parts of hydroxy propyl methyl cellulose, 4 to 8 parts of nickel nitrate and the like. According to the expansion-proof fiber modified nano-adsorption building base material and the preparation method for the same, added nitrile rubber modified phenol-formaldehyde resin and the raw materials are mixed, and are cured when being heated, and the molten resin is rapidly turned from a linear structure to an unmolten three-dimensional structure under the action of methylene decomposed from hexamethylenetetramine, so that mechanical performance is improved, and the performance of resistance to high temperature and low expansion are achieved; chitosan molecules are positively charged to adsorb negatively charged bacteria, so that a bactericidal function is realized; structurally, fiber film layers with different diameters and porosities are prepared, and nano graphene between the layers is combined, so that the porosity and the specific surface area of a composite adsorption film are improved, and effects are enhanced.