51 results about "Zinc stearate" patented technology

This invention discloses a composite additive for repairing the foaming properties of recycled polystyrene, relating to the field of recycled polystyrene. It comprises: 30-50 parts of a matrix repair component, 20-35 parts of a nucleating-reinforcing composite component, 10-20 parts of an antibacterial and flame-retardant composite component, and 5-10 parts of a dispersant. Modified rosin ester and polybutadiene oligomers are used as the matrix repair component, combined with nano-calcium carbonate and talc as the nucleating-reinforcing composite component, and further combined with phytic acid and quaternized chitosan functional components and zinc stearate dispersant to form a stable composite system. This system imparts antibacterial and flame-retardant properties to the product, solving the problem of single-function traditional additives, significantly improving the quality of recycled material products, realizing high-value utilization of recycled materials, and simultaneously repairing damaged molecular chains in recycled materials, improving processing flowability and cell nucleation effect, thus compensating for the deficiency of reduced foaming performance in recycled polystyrene.

This invention discloses a BMC material for preparing food contact products and its preparation method. The material comprises the following components by mass percentage: 12%–20% food contact grade styrene-based unsaturated polyester resin (compliant with GB 4806.7-2016); 3%–10% solvent-free PMMA powder; 0.5%–1% zinc stearate; 0.2%–0.6% curing agent TBIC; 0.01%–0.1% polymerization inhibitor TBHQ; 0.01%–0.05% stabilizer BHT; 20%–45% calcium carbonate; 10%–40% aluminum hydroxide; and 5%–10% glass fiber. This invention, by using low-cost food contact grade styrene-based resin combined with solvent-free PMMA powder and optimizing the ratio of TBIC to TBHQ, achieves near-zero styrene monomer residue in the product while reducing costs. This effectively solves the problems of high cost, difficulty in processability adjustment, and monomer residue risk associated with traditional food contact grade BMC materials. The cost of the resulting material can be controlled below 7 yuan / kg, and it has both flame-retardant and high-strength properties, making it a widely viable alternative to traditional food contact grade plastics.

This invention provides an antibacterial and antifungal TPE material, belonging to the field of thermoplastic elastomer technology. The antibacterial and antifungal TPE material of this invention comprises the following components: SEBS, PP, a plasticizer, modified nano-zinc oxide, N-n-butyl-1,2-benzisothiazolin-3-one, 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, an antioxidant, and zinc stearate; wherein the modified nano-zinc oxide is obtained by melt blending nano-zinc oxide with maleic anhydride-grafted SEBS, the mass ratio of the modified nano-zinc oxide to the maleic anhydride-grafted SEBS is (0.6-1.7):1, and the particle size of the nano-zinc oxide is 20-50 nm; the free acid content of the zinc stearate is 0.3%-0.5%. The antibacterial and antifungal TPE material of this invention possesses good antibacterial properties, antifungal properties, and tensile strength.

This invention provides an antistatic pipe and its preparation method, comprising an inner layer, a middle layer, and an outer layer arranged sequentially from the inside out. The middle layer is a porous thin-walled steel pipe, and both the inner and outer layers are made of composite materials. By weight, the composite material comprises the following raw materials: 55-65 parts heat-resistant polyethylene, 6-10 parts high-density polyethylene, 5-15 parts ethylene-ethyl acrylate copolymer, 6-10 parts sulfonated polyolefin, 2-6 parts titanate-modified vermiculite powder, 3-7 parts phosphorus-nitrogen composite flame retardant, 2-4 parts nano-indium tin oxide, 1-1.5 parts zinc stearate, 0.5-0.7 parts antioxidant, and 1.5-2.5 parts maleic anhydride-grafted polyethylene. The synergistic effect of the multiple components in this invention enables the prepared antistatic pipe to achieve breakthroughs in antistatic, mechanical, and flame-retardant properties, making it suitable for high-risk environments.

The application discloses a high-temperature-resistant polyvinyl chloride adhesive tape and a preparation method thereof, and belongs to the technical field of polymer materials and adhesive products. The high-temperature-resistant polyvinyl chloride adhesive tape comprises the following raw materials in parts by weight: synergistically modified polyvinyl chloride, diphenyl phosphine oxide, chlorinated polyethylene, diisononyl phthalate, antimony trioxide, calcium stearate, zinc stearate, an antioxidant and a leveling agent; the synergistically modified polyvinyl chloride is obtained by introducing catechol structures on the surface of polyvinyl chloride through dopamine self-polymerization deposition, forming a dynamic borate ester structure with 3-aminobenzoic acid, and constructing a Si-O-Si network structure through hydrolytic condensation reaction of octa(3-aminopropyl)silsesquioxane and N-(beta-aminoethyl)-gamma-aminopropyl triethoxysilane. The dopamine-borate ester-silicone synergistic network structure is constructed, and the diphenyl phosphine oxide is introduced for function regulation, so that the heat resistance, mechanical properties and dimensional stability of the polyvinyl chloride adhesive tape are significantly improved.

The application discloses a kind of sanitary facing layer water guide type spunlace material and preparation method thereof, comprising the following steps: step 1: (1) different molecular weight polyethylene glycol diacrylate is copolymerized with monomer, wet spinning is carried out, and zinc stearate aqueous dispersion is used to treat, to obtain superabsorbent fiber A, B;(2) polyethylene glycol diacrylate is copolymerized with monomer, modified cellulose fiber is added, wet spinning is carried out, and aluminum sulfate aqueous solution treatment, zinc stearate aqueous dispersion treatment are sequentially used, to obtain superabsorbent fiber C;Step 2: superabsorbent fiber A, superabsorbent fiber B, superabsorbent fiber C and fiber are respectively prepared into composite viscose fiber layer A, composite bamboo fiber layer B, composite bamboo fiber layer C;Hydrophilic PP fiber layer is laminated, spunlace treatment is carried out, dehydration is carried out, and drying treatment is carried out, to obtain water guide type spunlace material.The product of the application has higher moisture absorption capacity and anti-back seepage capacity.

This application relates to the field of nylon powder, specifically disclosing a composite nylon powder for printing rollers and its preparation method. The composite nylon powder for printing rollers is composed of 82-90% nylon powder, 1-3% a wetting and dispersing agent mixture, 2-5% a binder strengthening agent, and 5-10% filler. The wetting and dispersing agent mixture includes two or more of hydroxyethyl ethylene bis-stearamide, zinc stearate, and lubricant CYD-816A. The preparation method is as follows: nylon powder and the wetting and dispersing agent mixture are mixed, then a mixture of the binder strengthening agent and filler is added, and the mixture is stirred to obtain a mixture. The mixture is then melt-co-extruded, granulated, and pulverized to obtain the composite nylon powder for printing rollers. The wetting and dispersing agent mixture of this application can coat the surface of the nylon powder, improving powder flowability and facilitating the uniform dispersion of filler in the nylon powder, resulting in a composite nylon powder with both excellent mechanical properties and film-forming properties.

The present application belongs to the technical field of composite release material, and particularly relates to a composite release material, a preparation method and application thereof. The composite release material comprises the following raw materials in parts by weight: 20-25 parts of stearic acid modified calcium carbonate, 10-15 parts of flaky talc powder, 2-4 parts of fumed white carbon black, 4-7 parts of zinc stearate microcapsule, 0.1-0.3 parts of thickening agent, 0.2-0.4 parts of defoaming agent, 0.3-0.5 parts of pH regulator, and 100 parts of water. The composite release material provided in the present application has the synergistic effect of various components, and the coating of the composite release material has enhanced corrosion resistance.

The application relates to the technical field of high polymer materials, and discloses a flame-retardant PVC composite material which comprises the following raw materials in parts by weight: 90-100 parts of polyvinyl chloride resin, 2-5 parts of a compatilizer, 30-40 parts of a plasticizer, 1-2 parts of an antioxidant, 5-10 parts of aluminum hydroxide, 2-5 parts of calcium stearate, 4-6 parts of zinc stearate, 2-6 parts of ACR resin, 1-5 parts of a modified heat stabilizer and 6-10 parts of a modified flame retardant. In the application, the preparation of the modified flame retardant can inhibit the combustion of the system through multiple mechanisms, the heat transfer and the combustible gas release are inhibited, and the flame-retardant effect of the system is improved; the preparation of the modified heat stabilizer can inhibit the dehydrochlorination reaction of the PVC and block the free radical chain reaction, the thermal oxidative degradation of the system is delayed, the heat resistance of the system is improved, and the service life of the system is prolonged.

The present application relates to the technical field of metal rolling lubrication, in particular to a kind of graphene composite rolling oil and preparation method thereof, comprising base oil, compound modified graphene, extreme pressure antiwear agent, antioxidant, dispersant, rust inhibitor and lubricating additive, and the balance is base oil;The graphene is graphene with 1 to 10 layers and particle size of 50 to 500 nanometers, compound modified graphene is prepared by compounding and modifying graphene with silane coupling agent and modification additive, modification additive is fatty acid or zinc stearate, and the total addition amount of silane coupling agent and modification additive is 3% to 20% of the mass of graphene.The graphene composite rolling oil and preparation method thereof provided by the present application specifically solve a plurality of technical defects of existing rolling oil, significantly improve lubricating performance, comprehensive usability, working condition adaptability and other aspects, and have outstanding technical advantages and industrial application value.

This invention relates to the field of automotive reinforcement plate technology, specifically to a corrosion-resistant, high-rigidity right rear shock absorber mounting reinforcement plate and its preparation method. The plate comprises the following raw materials by weight: 100 parts matrix alloy powder, 8-12 parts additive A, 5-9 parts additive B, 3-5 parts graphite powder, 2-3 parts zinc stearate, 3-4 parts polyvinyl alcohol, 0.4-0.6 parts graphite carbon powder, and 0.8-1.5 parts electrolytic copper powder. In this invention, additive A is prepared as a composite additive through a zirconium precursor mixture and a magnesium precursor mixture, forming a uniformly dispersed zirconium-magnesium composite ceramic phase in the iron-based alloy matrix. This effectively refines the alloy grains, strengthens grain boundaries, and improves the stiffness and mechanical strength of the reinforcement plate. Additive B uses a potassium fluorotitanate and cerium nitrate composite treatment solution as its core, combined with polyaniline and sulfosalicylic acid for in-situ film formation, optimizing the sintering interface bonding force and effectively improving corrosion resistance life under salt spray conditions.

The application discloses a mildew-proof wood-plastic board and a preparation method thereof, and relates to the technical field of wood-plastic boards.The mildew-proof wood-plastic board is prepared from the following raw material components in parts by weight: 50-60 parts of mildew-proof modified wood powder, 35-50 parts of ultraviolet-resistant modified polypropylene, 2-5 parts of maleic anhydride grafted polypropylene, 5-8 parts of a toughening agent, 8-16 parts of modified filler, 1-2 parts of zinc stearate, 0.5-1 part of an antioxidant, 0.2-0.3 part of a hindered amine light stabilizer and 0.05-0.1 part of dicumyl peroxide; wherein the mildew-proof modified wood powder is obtained by modifying wood powder with a mildew-proof modifier; and the ultraviolet-resistant modified polypropylene is obtained by modifying polypropylene with 2-hydroxy-4-propenyloxybenzophenone.The mildew-proof wood-plastic board prepared by the application has long-term stable mildew-proof performance, and also has excellent mechanical properties.

The present invention relates to a multilayer floor decorative material comprising a foam layer, wherein the foam layer comprises a polyvinyl chloride resin, a plasticizer, a filler, a heat stabilizer and a foam stabilizer, the foam layer is formed by a mechanical foaming method, the heat stabilizer comprises barium stearate and zinc stearate, and the foam stabilizer is included in an amount of 1 to 10 parts by weight on the basis of 35 to 55 parts by weight of the polyvinyl chloride resin.

This invention belongs to the field of fumed gel manufacturing technology, and particularly relates to a method for preparing fumed gel for extrusion. The method uses methyl vinyl raw rubber a, methyl vinyl raw rubber b, activator, fumed silica, hydroxyl silicone oil, methoxy silicone oil, and zinc stearate as raw materials. After mixing at 70-80 rpm for 4-6 minutes and cooling to room temperature, the rubber compound is allowed to stand for 12-48 hours. The compound is then returned to the mixing mill and heated to 110-130°C at 40-50 rpm with nitrogen gas introduced, and then heated to 170°C. A series of intensive mixing processes are carried out at a constant temperature of 180℃ under vacuum and pressure. Then, the vacuum is removed and the temperature is lowered to below 120℃ by cooling water. Additives and anti-yellowing polymerization inhibitors are added, and the mixture is stirred at 50-60 rpm for 10-20 minutes before being discharged to obtain fumed rubber for extrusion. The additives improve the extrusion flowability of the rubber compound, ensure the uniformity of the cross-section of long strip products, and solve the problems of low production efficiency caused by slow vulcanization and local overheating caused by excessively fast vulcanization. On the other hand, the additives also improve the mechanical properties of the product.

This invention discloses a method for producing an ultrathin polyester film for carbon ribbons. The polyester film comprises an outer layer, a core layer, and an inner layer. The outer layer is composed of PET, diphenyl hydrazide adipate, and zinc stearate. The core layer is a monoglyceride copolymer-modified polyester. The inner layer is composed of PET, diphenyl hydrazide adipate, and zinc stearate. The use of diphenyl hydrazide adipate and zinc stearate in the outer and inner layers improves the dispersibility of diphenyl hydrazide adipate in the PET matrix, and the zinc stearate also provides lubrication. The synergistic effect of these two components makes this improvement more significant, resulting in a more pronounced improvement in mechanical properties. The core layer is modified with monoglyceride copolymer to improve the flexibility of the polyester film. The core-shell structured acrylic emulsion, when coated onto the BOPET film, effectively improves ink adhesion.

This invention discloses a method for preparing a low-temperature resistant aluminum alloy for use in base stations, comprising the following steps: (1) dissolving aluminum nitrate and ammonium dihydrogen phosphate to form a solution, adjusting the pH to make the solution a slurry; separating the slurry into solid and liquid phases to obtain a filter cake; drying the filter cake to obtain amorphous aluminum phosphate hydrate loose powder; calcining the powder at high temperature to obtain scaly quartz-type aluminum phosphate; crushing the scaly quartz-type aluminum phosphate into aluminum phosphate micro powder; (2) mixing and ball milling the aluminum phosphate micro powder and zinc stearate powder to obtain modified powder; (3) activating the surface of a 3003-O aluminum alloy substrate; (4) adding a dispersion medium to the modified powder and then redispersing it to form a microcrystalline slurry; spraying the microcrystalline slurry onto the surface of the substrate and hot rolling the substrate; step five: stress-relief annealing. This invention provides a method for preparing a low-temperature resistant aluminum alloy for use in base stations, which improves the various properties of 3003-O aluminum alloy at low temperatures.

This invention discloses a hydrophilic PA composite material and its preparation method, relating to the field of polyamide composite material modification and preparation technology. The hydrophilic PA composite material comprises the following raw materials in parts by weight: 60-70 parts modified polycaprolactam, 3-5 parts polyethylene glycol, 2-3 parts polyethylene oxide, 1-3 parts nano-calcium carbonate, 5-15 parts deionized water, 2-4 parts maleic anhydride-grafted polyethylene, 0.3-0.5 parts antioxidant 1010, 0.5-1 part zinc stearate, and 8-12 parts modified nano-silica. The raw material ratio of this hydrophilic PA composite material is scientific, containing multiple effective components such as modified polycaprolactam. Key raw materials undergo special modification treatments, such as pretreatment of nano-calcium carbonate with a silane coupling agent and three-stage modification of nano-silica, which improves material performance. The parameters for each step are clearly defined, and annealing treatment eliminates internal stress, ensuring stable product quality and combining good hydrophilicity with structural stability.

The application discloses a metal piece, a preparation method thereof and an electrical appliance. The metal piece comprises the following raw materials: an iron-based powder, a pre-alloyed steel powder, a copper powder, a graphite powder, manganese sulfide and zinc stearate. The pre-alloyed steel powder comprises the manganese sulfide, and the mass fraction of the manganese sulfide in the pre-alloyed steel powder is 0.2%-0.4% based on the mass of the pre-alloyed steel powder. Therefore, the metal piece has low carbon content, high tensile strength and high wear resistance, and simultaneously has excellent cutting performance, thereby meeting the efficient machining cycle and precision requirements of finish machining.

To provide a thermal recording layer or thermal recording material in which discoloration over time is suppressed even in printed areas printed with low energy. [Solution] The thermal recording layer 4 contains animal-derived zinc stearate. The stearic acid in the above animal-derived zinc stearate is stearic acid derived from animal fats and oils. The content of the above animal-derived zinc stearate is 0.1 to 2% by mass based on 100% by mass of the total solids content of the thermal recording layer 4. Preferably, the thermal recording layer 4 contains a dye and a color developer having a specific structure.

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 discloses an apron oil-proof PE-based composite material and a preparation method thereof, and relates to the technical field of polymer materials. The raw material composition of the PE-based composite material comprises low-density polyethylene, magnesium fluoride / ETFE melt-mixed material, nano calcium carbonate, zinc stearate, an antioxidant, a titanate coupling agent, polytetrafluoroethylene micro powder and polyethylene wax. The magnesium fluoride / ETFE melt-mixed material is prepared by surface modification of magnesium fluoride with gamma-aminopropyl triethoxysilane and then melt blending with ethylene-tetrafluoroethylene copolymer. The preparation method of the PE-based composite material comprises the steps of preparing the magnesium fluoride / ETFE melt-mixed material, preparing a premix and preparing the PE-based composite material. The apron oil-proof PE-based composite material has excellent oil-proof performance and high durability.

The application discloses a deodorizing casual shoe capable of reducing peculiar smell, which comprises a vamp and a sole, wherein the sole comprises the following components in parts by weight: polyurethane 25-35 parts, styrene butadiene rubber 22-26 parts, imidazole salt 20-30 parts, modified ferroferric oxide 3-5 parts, lavender essential oil 5-8 parts, tea tree essential oil 10-14 parts, modified zinc oxide 5-8 parts, zinc stearate 3-5 parts, diatomite 1-3 parts, vinyl silicone oil 6-10 parts and stearic acid 5-8 parts. The deodorizing casual shoe capable of reducing peculiar smell and a preparation method thereof have good antibacterial property and certain mechanical strength.

This invention discloses a highly elastic and wear-resistant floor mat and its preparation method, relating to the field of sports floor mat technology. The elastic and wear-resistant floor mat comprises a four-layer functional structure, from bottom to top: a high-resilience foam layer (1), a dimensionally stable layer (2), an intermediate transition foam layer (3), and a surface wear-resistant layer (4). The surface wear-resistant layer is composed of the following raw materials in parts by weight: 52-62 parts modified polyether-type thermoplastic polyurethane elastomer, 1-1.5 parts UV stabilizer UV-531, 3.5-5.5 parts modified nano-silica, 9-13 parts thermoplastic polyester elastomer, 0.4-0.6 parts antioxidant 1010, 0.6-0.9 parts zinc stearate, 2-3 parts maleic anhydride-grafted polyolefin elastomer, 0.5-0.7 parts trimethylolpropane triacrylate, and 0.6-1.2 parts perfluorooctanoate ethyl ester. The high-resilience foam layer of this mat accounts for 55%-70% of its thickness, providing ample cushioning. The surface wear-resistant layer is modified for weather resistance, abrasion resistance, and easy cleaning. It is manufactured through continuous extrusion without glue, making it environmentally friendly and suitable for the needs of peakball sports.

This invention belongs to the field of silicone rubber technology and relates to a flame-retardant compounded silicone rubber and its preparation method. The invention involves first adding methyl vinyl silicone rubber raw material, precipitated silica, hydroxyl silicone oil, zinc stearate, silane coupling agent, and composite flame-retardant filler to a kneader for kneading. After kneading, heat treatment, and cooling, compound A is obtained. Then, compound A is mixed evenly with a platinum-containing flame-retardant additive in a specific ratio on a two-roll mill to obtain the flame-retardant compounded silicone rubber. The platinum-containing flame-retardant additive is a compound of platinum compound and vinyl amino silicone oil at a mass ratio of 1:0.5~1. This method is simple, and the prepared compounded silicone rubber has high flame-retardant properties. It utilizes a combination of platinum compound, nitrogen-containing organic compound, and composite flame-retardant filler, resulting in a strong synergistic flame-retardant effect. It also offers advantages such as good roller workability, high processing efficiency, and minimal yellowing of vulcanized samples, making it easy to promote and apply.

The invention relates to a sulfur-crosslinkable rubber compound and a vehicle tire. The sulfur-crosslinkable rubber compound contains - at least one diene rubber, - 10 to 500 phr silica, - a mixture of mercapto-functionalized alkylalkoxysilanes and blocked mercapto-functionalized alkylalkoxysilanes and - 0.5 - 5 phr zinc stearate.

This invention discloses a high-performance nano-electrospun membrane and its preparation method. The electrospinning solution of the nano-electrospun membrane comprises a synergistically modified polymer matrix material, an organic small molecule, polyethylene glycol, polyvinylpyrrolidone, Tween-80, zinc stearate, and a solvent. The synergistically modified polymer matrix material is based on polyacrylonitrile, and is prepared by introducing dopamine, 3,4-dihydroxyphenylethylamine hydrochloride, 3-aminopropyltriethoxysilane, and cerium nitrate in solution. The organic small molecule is propyl gallate. Through the synergistic effect of the components, the prepared nano-electrospun membrane exhibits high continuous film-forming stability, good structure retention during use, excellent environmental stability, and outstanding storage and reuse performance of the electrospinning solution. The method of this invention is stable, highly feasible, and suitable for the preparation and application of high-performance nano-electrospun membranes.

The application discloses a comfortable sports shoe, which comprises a vamp and a sole, wherein the sole comprises the following components in parts by weight: polyurethane 25-35 parts, styrene butadiene rubber 22-26 parts, grafted copolymer antibacterial agent 20-30 parts, functionalized graphene 5-8 parts, lavender essential oil 5-8 parts, tea tree essential oil 10-14 parts, modified zinc oxide 3-5 parts, zinc stearate 3-5 parts, diatomite 1-3 parts, vinyl silicone oil 6-10 parts and stearic acid 5-8 parts. The comfortable sports shoe and a preparation method thereof have good antibacterial property, elasticity and certain mechanical strength.

The application relates to an antibacterial and anti-mite DTY chinlon elastic filament and a preparation method thereof, and belongs to the technical field of functional polyamide fiber materials. The DTY chinlon elastic filament comprises synergistically modified chinlon-6, 9,9-bis(4-hydroxyphenyl) fluorene, nano zinc oxide, titanium dioxide, antioxidant 1010 and zinc stearate. The synergistically modified chinlon-6 is constructed with a dynamic borate bond structure, a silane polycondensation grafting structure and a molecular chain end hydrogen bond reconstruction structure in a melt blending process, so as to form a modified polyamide matrix with a dynamic topological entanglement and an interface chemical anchoring double network structure; meanwhile, 9,9-bis(4-hydroxyphenyl) fluorene with a rigid aromatic skeleton structure is introduced to perform molecular scale synergistic regulation. The DTY elastic filament is prepared through a melt spinning, drafting and setting and false twist texturing process. The application realizes long-term stability and washing resistance of antibacterial and anti-mite properties, meanwhile, excellent elastic recovery performance is ensured, and the application has good processing adaptability and application prospect.

The present application relates to the technical field of cable processing, and particularly relates to a high and low temperature resistant sensor cable for precision equipment and a production method thereof. The high and low temperature resistant sensor cable for precision equipment comprises, from inside to outside, a filling material, an insulated wire core group, a double-layer shielding layer and a modified silica gel sheath. The modified silica gel sheath is prepared from the following raw materials by weight: methyl vinyl silicone rubber raw rubber, fumed white carbon black, precipitated white carbon black, hydroxyl silicone oil, dimethyl silicone oil, zinc stearate, double-diatomite vulcanizing agent, heat stabilizer, flame retardant activated aluminum hydroxide, anti-frost agent FW-21 and silica gel color paste. Through the preparation of the insulated wire core group, the cable stranding, the preparation of the double-layer shielding layer and the extrusion and vulcanization technology of the modified silica gel sheath, the prepared high and low temperature resistant sensor cable solves the technical problem that the existing PVC cable cannot stably transmit signals for a long time in a high temperature special environment.

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.