19 results about "Naphthalanic oil" patented technology

The application belongs to the technical field of rubber, and particularly relates to an environment-friendly weather-resistant high-wear-resistance handrail belt rubber material and a preparation method thereof. The rubber material comprises, in terms of weight parts, 80-95 parts of styrene-butadiene rubber, 5-20 parts of butadiene rubber, 70-90 parts of carbon black, 6-9 parts of active agent, 3-5 parts of environment-friendly paraffin oil or naphthenic oil, 4-7 parts of anti-aging agent composition, 1-2 parts of accelerator and 1.5-2.5 parts of vulcanizing agent. The anti-aging agent composition is a combined system of p-phenylenediamine anti-aging agent and quinoline anti-aging agent. Through the synergistic effect of the rubber combined system, the gradation optimization of the reinforcing system and the synergistic effect of the anti-aging agent composition, the application simultaneously realizes high wear resistance, excellent weather resistance (ozone and thermal oxygen aging resistance), low-temperature toughness at-45 DEG C and environment-friendly performance of PAHs <= 10 ppm, and the comprehensive performance is significantly better than that of the existing handrail belt material, and the eight-year service life requirement of public places can be met.

This application provides a low-temperature matrix asphalt modifier and its preparation method, belonging to the field of road materials. The low-temperature matrix asphalt modifier is prepared from raw materials comprising the following components in parts by weight: SBR latex: 18-25 parts; waste rubber powder: 22-30 parts; base plasticizing resin: 18-22 parts; compatibilizer: 25-32 parts; crosslinking agent: 2-3 parts; stabilizer: 1.5-3.5 parts; high-adhesion resin: 5-8 parts; anti-aging agent: 0.05-0.15 parts; wherein the base plasticizing resin is a C5 / C9 copolymer petroleum resin with a softening point... 90~110℃; waste rubber powder is modified with vinyl polysiloxane, with a particle size of 80~120 mesh and a grafting rate of ≥85%; the compatibilizer is a compound of naphthenic oil and aromatic oil; the high-adhesion resin is C9 petroleum resin with a softening point of 110~130℃; the anti-aging agent has a melting point of 110~115℃ and excellent compatibility, which can significantly reduce the mixing temperature of asphalt mixtures, greatly reduce energy consumption during construction, and enable construction in environments above -10℃.

This invention relates to a thermoplastic elastomer material, its preparation method, and its applications, belonging to the technical field of polymer compound compositions. The thermoplastic elastomer material of this invention, by weight, comprises the following components: 28-42 parts PBAT resin, 20-30 parts TPEE resin, 20-30 parts SEBS elastomer, 10-20 parts naphthenic oil, 10-20 parts biodegradable filler, 3-8 parts compatibilizer, and 1.8-5.2 parts degradation control agent; the biodegradable filler has a particle size D50 of 10 μm to 20 μm; the degradation control agent is a mixture of photosensitizer, chitin, and polycarbodiimide. This thermoplastic elastomer material possesses excellent mechanical properties, adhesive bonding properties, and biodegradability.

This invention relates to the field of polymer waterproofing materials technology, and discloses a root-barrier EPDM rubber waterproofing material, comprising the following components by weight: 60-80 parts EPDM rubber, 15-25 parts polypropylene resin, 5-15 parts butyl rubber, 10-15 parts carbon black N330, 5-10 parts silica, 10-16 parts 4010 naphthenic oil, 3-8 parts composite root inhibitor, 2-5 parts vulcanization system, 1-3 parts activation system, 1.5-3 parts anti-aging system, and 0.5-2 parts processing aid. The invention also discloses a preparation method. This invention has the following beneficial technical effects: higher seam peel strength; effectively prevents the migration and loss of the root inhibitor, achieving a long-lasting root-barrier effect; stronger puncture resistance; and solves the problems of poor water tightness and insufficient low-temperature flexibility of traditional weldable EPDM roll materials.

The application relates to the technical field of electric vehicle tire preparation, and discloses a low-noise electric vehicle tire and a preparation method thereof. The tire comprises a tread, and the tread comprises the following raw materials: rubber, carbon black, white carbon black, an antioxidant, naphthenic oil, an active agent, anthraquinone modified resin, a vulcanizing agent, an accelerator and a coupling agent; the anthraquinone modified resin is obtained by modifying C5 petroleum resin after copolymerization of three monomers, i.e., aminoanthraquinone, cyclopentadiene and hydroxyethyl methacrylate. The anthraquinone modified resin has high damping and good compatibility, can attenuate tire vibration energy from the source to achieve noise reduction, can enhance the interface bonding force between rubber and fillers, can improve the strength and tear resistance of the rubber compound, can improve the dispersibility of the fillers, can reduce the hysteresis loss, can lay a foundation for wear resistance and low rolling resistance of the tire, and has good adaptability with various raw materials of the tire.

This invention discloses a high-temperature resistant cable material and a new energy charging cable, belonging to the field of polymer materials. It comprises the following components by weight: 30-50 parts of maleic anhydride-grafted styrene-ethylene-butene-styrene copolymer, 15-40 parts of maleic anhydride-grafted copolymer polypropylene, 0.5-2 parts of melamine borate, 0.1-3 parts of filler, 5-15 parts of naphthenic oil, 10-30 parts of flame retardant, 1-5 parts of zinc borate, and 0.1-3 parts of antioxidant. This invention uses maleic anhydride-grafted polypropylene and maleic anhydride-grafted styrene-ethylene-butene-styrene copolymer as base materials, forming a continuous phase with melamine borate, effectively improving system compatibility, reducing the amount of naphthenic oil, and improving the performance of the cable material. It solves the problems of poor mechanical properties and poor temperature resistance in existing technologies caused by the high modulus, poor flexibility, and poor aging resistance of conventional polypropylene, and has the potential to be applied to the preparation of new energy fast charging cables.

This invention discloses a magnetic wicking wire and its preparation method, belonging to the field of magnetic composite material technology. The magnetic wicking wire comprises the following raw materials in parts by weight: 10-20 parts of modified styrene-based thermoplastic elastomer; 80-85 parts of modified magnetic powder; 0.5-1 parts of antioxidant; and 0.5-1 parts of lubricant. The modified styrene-based thermoplastic elastomer is a naphthenic oil-toughened styrene-based thermoplastic elastomer. The modified magnetic powder is hyperbranched polyphosphoramide-coated isotropic samarium iron nitrogen magnetic powder. This invention uses isotropic samarium iron nitrogen magnetic powder, fundamentally eliminating the orientation step required in traditional processes. Magnetization is performed simultaneously during extrusion, and a high-performance, high-elasticity magnetic wicking wire can be obtained after winding without secondary magnetization, simplifying the process.

The application discloses an ultrahigh anti-aging polypropylene composite material and a preparation method and application thereof. The composite material comprises the following components in parts by weight: 95-100 parts of polypropylene, 5-15 parts of ethylene-octene copolymer, 0.1-2 parts of an anti-aging compound, 2-5 parts of terpene resin, 2-5 parts of naphthenic oil, 0.5-5 parts of stearic acid and 0.5-5 parts of zinc stearate. The anti-aging compound comprises the following components in a weight ratio: 10-30% of modified graphene oxide / hydrotalcite, 10-30% of modified triazine charring agent, 20-40% of antioxidant and 20-40% of light stabilizer. The polypropylene composite material provided by the application has remarkably improved anti-aging properties, including heat-oxygen aging resistance, hot water aging resistance, light aging resistance and the like, and has good flowability and dispersibility, water resistance, yellowing resistance, good processing performance and mechanical properties and excellent comprehensive performance.

The application provides a self-healing exposed hot-bonding modified asphalt waterproof coiled material and an application thereof, and belongs to the technical field of building waterproofing. The self-healing exposed hot-bonding modified asphalt waterproof coiled material comprises, from top to bottom, a surface weather-resistant layer, an upper self-healing waterproof layer, a light-heat induction layer, a reinforcing layer, a lower self-healing waterproof layer and a separation layer. The upper self-healing waterproof layer and / or the lower self-healing waterproof layer each comprises a self-healing waterproof adhesive, and the self-healing waterproof adhesive comprises asphalt, a first light-heat induction agent, a microcapsule self-healing agent and a dynamic chemical self-healing agent. The wall material of the microcapsule self-healing agent is at least one of urea-formaldehyde resin, melamine resin and polyurethane, and the core material is at least one of hydrogenated rosin glyceride, naphthenic oil and asphalt regenerant. The dynamic chemical self-healing agent comprises at least one of a disulfide bond-containing polymer and a diselenide bond-containing polymer. The light-heat induction layer comprises a first self-adhesive coating and a second light-heat induction agent.

This invention discloses a rare-earth-enhanced self-healing sealant for rubber tires and its preparation method. The sealant comprises a pretreatment component and a self-healing sealant component. The pretreatment component consists of lanthanum nitrate, ammonia, polyvinyl alcohol, and a mixed solvent, used to form directionally grown rod-shaped rare-earth compounds on the inner surface of the tire, improving surface roughness and physical anchoring points. The self-healing sealant component is composed of polystyrene-butadiene-styrene, petroleum resin, epoxidized soybean oil, naphthenic oil, antioxidant, hollow microspheres, fumed silica, and polyamide wax in a specific ratio. The preparation method includes: preparing a pretreatment solution and spraying it onto the inner wall surface of the tire, drying it, and then blowing it off; mixing the sealant component using a three-roll mill, heating and stirring it to a specified viscosity, then spraying it onto the pretreated rubber tire surface and cooling to cure. This invention is suitable for medium- and low-speed rubber tires, the surface treatment process is simple and easy to operate, and the sealant has high bonding strength and leak-proof performance, enabling immediate sealing after puncture.

This invention discloses a TPE elastomer material for coating disposable syringe plungers and its preparation method. The TPE elastomer material comprises, by weight, 35-45 parts SEBS resin, 20-30 parts naphthenic oil, 10-15 parts PP resin, 3-5 parts maleic anhydride-grafted SEBS, 5-12 parts terpene phenolic resin, 1-2 parts isocyanate crosslinking agent, 0.3-0.5 parts aluminum acetylacetonate, 0.5-1 part silver ion antibacterial agent, 0.5-1 part antioxidant, 2-3 parts silicone powder, 0.3-0.5 parts zinc stearate, and 1-5 parts microcrystalline cellulose nanofibers. This invention, by introducing a dual crosslinking system and a nano-reinforcement structure, significantly improves the bonding strength, cohesive strength, and creep resistance of the TPE material and the PP plunger body, while also endowing the material with excellent biocompatibility, antibacterial properties, and anti-slip properties, making it suitable for coating disposable syringe plungers.

This invention belongs to the field of asphalt recycling agent technology, specifically relating to a DES-based targeted depolymerization asphalt recycling agent and its preparation method. It solves the problem of weak depolymerization ability of traditional bio-based recycling agents in aged asphalt. The agent comprises a mixture of stearic acid, naphthenic oil, and DES. The DES mixture consists of choline chloride-ethylene glycol-based DES and choline chloride-propylene glycol-based DES. The preparation method of the DES mixture includes: Step 1: Mixing choline chloride-ethylene glycol-based DES and choline chloride-propylene glycol-based DES; Step 2: Placing the mixed choline chloride-ethylene glycol-based DES and choline chloride-propylene glycol-based DES in a glass bottle and placing it on a magnetic stirrer; Step 3: Stirring until a colorless and transparent liquid is formed, obtaining the DES mixture; Step 4: Placing the naphthenic oil in a glass bottle equipped with a rotor, adding the stearic acid and DES mixture, and stirring until the solid particles are completely dissolved. This invention exhibits strong hydrogen bonding, while the asphaltene and resinous micelles in aged asphalt exhibit weak hydrogen bonding.

This invention relates to the field of magnet technology, specifically disclosing a sheet magnet for false eyelashes and its preparation method, addressing the problems of magnetic powder agglomeration and difficulty in achieving both toughness and sweat resistance in existing false eyelash magnets. The raw materials, by mass percentage, include 90%-99% composite NdFeB magnetic powder and the remainder being adhesive. The composite NdFeB magnetic powder comprises core-shell NdFeB powder, polyamide fiber powder, and functional additives, including a composite toughening agent, a silane coupling agent, and a sweat-resistant dispersant. The adhesive comprises SEBS, PP, and naphthenic oil. The core-shell NdFeB powder uses NdFeB as the core material, with a silica and bio-based polyester composite layer coated on the core surface as the shell material. This invention, through the synergistic effect of specific raw materials, combines ultrasonic dispersion, bidirectional magnetic field injection molding, and bio-based coating modification processes, effectively solving the problems of uneven magnetic powder dispersion, edge burrs after molding, and poor coating permeability in existing technologies.

The application relates to a SEBS-based thermoplastic elastomer composite material and a preparation method thereof, and the preparation raw materials include, in parts by weight, SEBS 40-50 parts, TPEE 20-30 parts, modified nano-silicon dioxide 5-10 parts, compound antioxidant 0.5-1.5 parts, and naphthenic oil 15-25 parts. Electron beam irradiation crosslinking is used instead of peroxide chemical crosslinking, so that initiator residue and side reactions are avoided, the process is clean, efficient and easy to control, and the process is very suitable for transformation from laboratory small-scale research to industrial production.

The application discloses a kind of super-soft high-elasticity hot melt films with skin-friendly, it relates to hot melt film technical field, the super-soft high-elasticity hot melt film with skin-friendly, raw material is by weight percentage, including as follows component: SBC class (SEBS, SEPS, SIS, SBS) elastomer: 45%-75%;TPU: 20%-35%;Compatibility agent (maleic anhydride grafting SIS / SBS class): 2%-10%;Paraffin oil or naphthenic oil: 2%-5%;Tackifying resin (carbon 5 or carbon 9): 1%-5%;Antioxidant: 0-0.5%;Ultraviolet absorber 0-0.5%, solve the current market commonly used female sports underwear hot melt film elastic band rebound is not good, not soft enough and without skin feeling, skin quality, Q feeling problem.The hot melt film of the application has high tensile rebound elasticity, super-soft, strong skin feeling, good Q elasticity;The hot melt film of the application is used for the lamination of sports underwear fabric, has good bonding strength, washability, service lamination, the application has high tensile rebound elasticity, so that underwear hot melt film has good tensile rebound performance.

The application relates to the technical field of sports goods, and particularly discloses a production process of a sticky rubber ball and the sticky rubber ball. The production process of the sticky rubber ball and the sticky rubber ball comprises the following steps: (1) mixing raw rubber, a toughening agent, a filling agent and a vulcanizing agent to obtain premix, performing glue removal of the premix after mixing at 120-130 DEG C to obtain a glue material; (2) mixing naphthenic oil and a microsphere foaming agent and then performing spray processing to obtain a powder-oil mixture; (3) mixing the glue material, a crosslinking agent and the powder-oil mixture, performing glue removal after mixing at 70-80 DEG C to obtain foamable glue material; and (4) performing injection molding processing by taking the foamable glue material as raw material to obtain a foamed ball skin, bonding the foamed ball skin on an inflating inner tube wrapped with polyester fabric to obtain the sticky rubber ball. The application reduces the possibility of water residues on the surface of the ball skin, helps to improve the anti-skid performance of the rubber ball, and improves the sticky feeling of the rubber ball.

This invention relates to the field of EVA plastic recycling technology, and discloses a method for preparing recycled EVA shoe midsoles. By weight, the raw materials include EVA waste, antioxidants, aromatic disulfides, plasticizers, nano-microwave sensitizers, stearic acid, foaming agents, foaming aids, crosslinking agents, and crosslinking accelerators. The EVA waste is EVA scraps or waste products without glue. The EVA waste, antioxidants, fillers, and naphthenic oil are mixed and then sequentially subjected to intensive mixing, extrusion, calendering, microwave reaction, and secondary extrusion. Subsequently, foaming agents, foaming aids, crosslinking agents, and crosslinking accelerators are added, followed by secondary intensive mixing, rolling, and then cutting or granulation to obtain recycled EVA material. This material is then added to a midsole mold and heated to foam, yielding the recycled EVA shoe midsole. De-crosslinking and recycling of crosslinked EVA results in lower recycling costs and retains most of the properties of the rubber components in the EVA, solving the problem of high costs associated with pyrolysis recycling, which previously made the recycling of EVA waste economically unprofitable.

This invention relates to the field of hot melt pressure-sensitive adhesive technology, and in particular to a heat-aging resistant rubber-type hot melt pressure-sensitive adhesive and its preparation method. The heat-aging resistant rubber-type hot melt pressure-sensitive adhesive, calculated by weight, comprises 10-20 parts of rubber polymer, 10-20 parts of bio-based polyester, 30-40 parts of tackifying resin, 30-40 parts of naphthenic oil, 0.5-2 parts of antioxidant, and 0.5-3 parts of compatibilizer. The bio-based polyester is at least one of polylactic acid and polyhydroxyalkanoate. By utilizing the inherently non-crosslinking property of the bio-based polyester, crosslinking of unsaturated double bonds in the rubber polymer is inhibited at high temperatures, thus solving the problem of the hot melt pressure-sensitive adhesive being in a molten state for a long time in coating equipment, generating a large amount of insoluble gel impurities that affect production and product performance.

The application relates to the technical field of shock-absorbing foaming materials, and particularly discloses a novel TPE shock-absorbing foaming material and a preparation method thereof. The novel TPE shock-absorbing foaming material is obtained after pre-mixed material is subjected to open mixing and mold foaming forming, the pre-mixed material is a mixture of a base material, a filler and an additive, the base material is obtained by mixing SEBS powder, EVA foaming material powder and mineral oil and then standing and aging, and the additive comprises a foaming agent, dicumyl peroxide, zinc oxide and zinc stearate. When production is carried out according to the formula process of the application, the total amount of mineral oil that needs to be absorbed by SEBS powder in the oil filling process is reduced, and the mineral oil mainly composed of naphthenic oil reduces the difficulty of SEBS powder absorbing paraffin oil, so that the time required in the oil filling process can be fully reduced, and the production efficiency of the TPE shock-absorbing foaming material can be fully improved.