41results about How to "Improve anti-aging" patented technology

The invention provides a sky-green light source LED packaging device, and belongs to the technical field of luminescent materials. The azure light source LED packaging device comprises a light-emitting substrate, wherein the light-emitting substrate comprises fluorescent powder; the fluorescent powder comprises blue-green fluorescent powder and green fluorescent powder; the light-emitting peak wavelength of the blue-green fluorescent powder is 490-500 nm, the molecular formula of the blue-green fluorescent powder is (Ba1-x-ySrxEuy) Si2N2O2, and x is greater than or equal to 0.001 and less than or equal to 0.3; 0.001 < = y < = 0.1; the blue-green fluorescent powder is of an orthogonal structure and is crystallized in a space group Pcca. According to the invention, on the basis of realizing azure luminescence, the luminescence performance of the azure luminescence is improved, especially the luminescence intensity of the azure luminescence is improved, and the anti-aging performance of the azure light source LED packaging device is also improved.

The application relates to the technical field of high polymer materials, in particular to an impact-resistant polyether ether ketone-based engineering plastic and a preparation method thereof; the polyether ether ketone-based engineering plastic is prepared from the following raw materials in parts by weight: 90-140 parts of PEEK resin, 12-20 parts of carbon fibers, 8-15 parts of basalt fibers, 3-5 parts of a silane coupling agent, 6-10 parts of a compatilizer, 5-8 parts of a composite antibacterial agent, 1.5-2.5 parts of an antioxidant, 2-3 parts of a lubricant and 1.5-2 parts of N-phenyl maleimide; the polyether ether ketone-based engineering plastic prepared by the application not only has excellent antibacterial performance and impact resistance, but also has good anti-aging performance and wear resistance, thereby prolonging the service life of the polyether ether ketone-based engineering plastic to a certain extent and ensuring the quality of the polyether ether ketone-based engineering plastic.

The invention discloses an organosilicon adhesive for a damp-heat aging resistant galvanized sheet and a preparation method thereof. The organic silicon adhesive comprises the following components in parts by weight: 25-40 parts of hydroxyl silicone oil, 35-50 parts of nano calcium carbonate, 11-21 parts of silica powder, 1-5 parts of a cross-linking agent, 0.4-0.8 part of a catalyst and 2-4 parts of a coupling agent. The organic silicon adhesive disclosed by the invention can keep the performance without obvious attenuation in cold and hot impact, salt mist and ultraviolet aging environments, and particularly can resist water vapor invasion and keep the performance in a damp and hot aging environment. The organic silicon adhesive disclosed by the invention has the capability of bonding low-surface-energy materials such as TPO (Thermoplastic Polyolefin), galvanized sheets and the like, also has good mechanical properties and high and low temperature resistance, and can work in a range of-60 DEG C to 200 DEG C. The organic silicon adhesive provided by the invention can be widely applied to material bonding in the fields of photovoltaics, industry, buildings and the like.

This invention discloses a device for wireless communication between underground manholes and the ground, relating to the field of urban underground infrastructure monitoring technology. It solves the problem that manhole covers and frames are mostly made of metal, which strongly shields electromagnetic waves, affecting data acquisition by monitoring equipment inside the manhole. The key technical points include: a manhole frame support: an open-frame structure adapted to the manhole cover; an adjustment component on the support to adjust the diameter of the support to accommodate differences in the manhole cover's diameter; and an equipment support: located on the support, forming a downwardly protruding load-bearing structure. The effect is that by fixing the transmitting antenna in the gap between the manhole cover and frame, the electromagnetic shielding effect of the cover and frame is avoided, significantly enhancing signal strength compared to inside the manhole, ensuring normal data communication between the monitoring equipment inside the manhole and the ground.

This invention discloses a layered anti-aging composition and its application. It comprises 4-10 parts of *Vigna angularis* fruit extract, 0.01-0.2 parts of soluble collagen, and 10-20 parts of *Fucus vesiculosus* extract, all parts by weight. The composition of this invention employs a layered anti-aging skincare strategy ("layered" generally refers to different skin areas, i.e., "cellular layer-dermis-epidermal layer"). This composition can promote the expression of LOR (lower retinal occlusion) and the relative expression level of TGM5 (epidermis), increase the content of type I procollagen C-terminal peptide and elastin (dermis), enhance mitochondrial activity, and increase ATP content (cellular layer). That is, it works progressively from the epidermis to the dermis to the cellular layer, having a relevant effect on each layer of skin, and possessing the functions of enhancing skin elasticity, firming, anti-aging, and repairing the skin barrier.

The present application discloses a kind of hibiscus compound extract, its preparation method and application.The composite extract includes hibiscus exosome, hibiscus traditional active ingredient, snowbank flower extract and microalgae extracellular polysaccharide, wherein the hibiscus exosome and hibiscus traditional active ingredient are simultaneously extracted from hibiscus raw materials by integrated extraction process.The preparation method includes raw material pretreatment, integrated extraction, separation and purification, synergistic compounding and post-processing, and two types of active substances are efficiently and synchronously obtained by optimizing solvent, temperature, time and purification parameters.The composite extract exhibits excellent anti-aging, anti-inflammatory and moisturizing effects in cosmetics, and has excellent effects of regulating intestinal flora and enhancing immunity in functional foods.The process produces significant synergistic effect by combining specific synergistic components, and the effect is much better than single component or simple mixture, realizing the maximization of plant resources and the synergistic promotion of efficacy.

The invention discloses a high-strength power cable which sequentially comprises a special-shaped stranded conductor, a layered tooth-shaped insulating layer, a honeycomb-shaped filling layer, a spiral armor layer and a composite sheath layer from inside to outside. The invention discloses a manufacturing method of a high-strength power cable. The manufacturing method comprises the following steps: S1, manufacturing a special-shaped stranded conductor; s2, forming a layered tooth-shaped insulating layer; s3, assembling the honeycomb-shaped filling layer and the spiral armor layer; and S4, forming the composite sheath layer and processing a finished product. The occlusion type structure of the special-shaped stranded conductor is matched with the graphene modified conductive paste, so that the tensile strength and the structural stability of the conductor are greatly enhanced, and deformation and strand breakage are effectively avoided; the stainless steel wire armor layer which is locked in a reverse spiral mode improves shock resistance and extrusion resistance with high coverage rate and pre-tightening force, and meets flexible laying requirements. And due to the adaptive structure and the wave-shaped design of the composite sheath layer, the interlayer binding force is optimized, and the cable is endowed with excellent wear resistance, aging resistance and bending resistance.

This utility model relates to the field of composite cable technology, and more particularly to a multi-layered synergistic reinforced composite cable with a stranded inner core. The cable body includes a stranded inner core located at its center, an inner lining layer tightly fitted to the outside of the stranded inner core, and a composite layer surrounding the inner lining layer. The stranded inner core extends axially along the cable body. The composite layer includes an armor layer, a protective layer, a flame-retardant layer, and a wear-resistant layer arranged sequentially from the inside out. The armor layer, protective layer, flame-retardant layer, and wear-resistant layer are integrally formed by hot-melt bonding. This utility model achieves a significant improvement in comprehensive performance through the synergistic design of its multi-layered structure, possessing multiple advantages such as high strength, high flexibility, wear resistance, flame retardancy, and aging resistance. It is suitable for demanding applications such as marine engineering, lifting and transportation, and mining.

The application provides a high-performance insulation blanket, which comprises a surface layer, an EVA adhesive layer and a surface layer arranged in sequence, and the surface layer and the EVA adhesive layer are calendered and bonded; the preparation raw materials of the surface layer comprise, in parts by weight, 45-55 parts of ethylene-vinyl acetate copolymer, 10-20 parts of natural rubber, 8-18 parts of PA6 short fiber, 7-10 parts of dopamine modified mica powder, 6-10 parts of MAH-g-EVA, 10-15 parts of flame retardant, 0.2-0.4 parts of antioxidant, 0.8-1.2 parts of lubricant and 2-4 parts of colorant. In the surface layer formula system, the natural rubber, the PA6 short fiber and the dopamine modified mica powder synergistically act, so that the tear resistance and the puncture resistance of the material are greatly improved, and meanwhile, the material has excellent comprehensive performances such as high-temperature resistance, insulation, flame retardation and aging resistance, and is suitable for high-demand insulation protection fields.

This utility model discloses a flip-chip integrated RGB LED chip, relating to the field of LED lighting technology. It includes a substrate, an RGB IC chip, at least three flip-chip LEDs, and a packaging structure. Both the RGB IC chip and the flip-chip LEDs are soldered to the surface of the substrate using a flip-chip eutectic process, and the RGB IC chip and the flip-chip LEDs are electrically connected. The packaging structure covers the RGB IC chip and the flip-chip LEDs, forming an integrated package. The flip-chip LEDs include at least three different luminous colors, with 1-6 chips of each color. The flip-chip LEDs are connected in series or parallel. The push-pull force of the flip-chip eutectic process in this invention is more than 50 times higher than that of gold wire bonding, completely avoiding the problem of dead LEDs caused by gold wire breakage.

The application discloses a kind of preparation methods of flame-retardant aging-resistant high-transparency polyurethane, the polyurethane is first with 2-amino-1,3-propanediol, 2-chloro-4,6-diphenyl-1,3,5-triazine, diphenyl phosphorochloridate and triphenylchlorosilane composite preparation DADT, then DADT is mixed with polyether polyol, isocyanate to obtain;The preparation method of the application is simple, the process is easy to control, the obtained polyurethane material limit oxygen index reaches 29.6%, meets commercial flame-retardant standard and reaches UL-94 V-0 flame-retardant grade;Material has excellent aging resistance, heat-oxygen tensile strength retention rate is 88.5%, heat-oxygen breaking elongation retention rate is 77.4%, and ultraviolet breaking elongation retention rate is 71.4%, can be applied to automobile ultraviolet protection diaphragm, flame-retardant filled foam, fire guide sign protection film and the like scene.

This invention discloses a method for regenerating aged asphalt based on waste cooking oil, belonging to the field of road engineering technology. The method includes the following steps: First, the waste cooking oil is esterified by mixing sodium hydroxide solution, methanol, and waste cooking oil; then, the esterified waste cooking oil is epoxidized by mixing hydrogen peroxide, glacial acetic acid, concentrated sulfuric acid, and the esterified waste cooking oil; finally, the esterified and epoxidized waste cooking oils are simply mixed to prepare a regenerating agent, which is used to regenerate aged asphalt to obtain regenerated asphalt. The road-use regenerated asphalt prepared by this invention has excellent high-temperature performance, low-temperature performance, rheological properties, and shear resistance, essentially restoring the performance indicators of the base asphalt. It can be used in road engineering construction, providing a useful reference for the resource utilization of waste cooking oil and aged asphalt.

The present application belongs to the technical field of cosmetics, and particularly relates to an anti-aging composition containing lactoferrin and application thereof. The anti-aging composition provided by the present application can realize synergistic effects among four components of the medicinal Fomes fomentarius extract, the Clitoria extract, the Artemisia annua extract and the lactoferrin in terms of anti-aging, achieve excellent elastase inhibition effects, prevent the degradation of elastin in the dermis, effectively reinforce the elastin scaffold, and thus improve the anti-aging effect of the composition. The anti-aging composition applied to the prepared emulsion can improve the skin firmness (R0 change rate), the skin plastic elasticity (R2 change rate) and the facial wrinkles (wrinkle change rate), has the anti-aging effect of improving wrinkle removal and skin tightening and promoting skin elasticity, and does not cause skin irritation, that is, has the characteristics of safety and mildness, has a wide application range, and has high consumer acceptance.

The present disclosure provides a profile and a forming method thereof, the forming method comprising: forming continuous fibers coated with an infiltrating material into an initial profile; and coating a coating material in a molten state on the initial profile to form a profile, wherein the coating material comprises a thermoplastic material. The forming method of the profile provided by the present disclosure has good mechanical properties of the formed initial profile, and the coating layer formed on the surface of the profile has good weather resistance, ultraviolet resistance, anti-aging, hydrolysis resistance and wear resistance.

The present application provides a chitosan sulfate and oligopeptide-containing eggshell membrane extract and a preparation method thereof. The preparation method of the chitosan sulfate and oligopeptide-containing eggshell membrane extract comprises the following steps: adding water with a pH value of 7.5±0.2 into an eggshell membrane, then adding a mixed preparation containing alkaline protease, cellulase, pectinase and sodium sulfide, performing enzymolysis, filtering a crude product, and drying a filtrate, and the chitosan sulfate and oligopeptide-containing eggshell membrane extract is obtained. The chitosan sulfate and oligopeptide-containing eggshell membrane extract can be used as a low-cost high-protein raw material additive, can replace high-priced protein raw materials, and can improve the immune capacity of a body.

This invention relates to the field of asphalt additives technology, and particularly to a modified asphalt ductile agent and its preparation method, as well as modified asphalt. The modified asphalt ductile agent provided by this invention comprises the following components in weight percentages: 70%–94% vegetable oil; 1%–5% epoxidized fatty acid methyl ester; and 5%–25% fatty alcohol ether phosphate ester. The ductile agent provided by this invention exhibits synergistic effects among its components, improving the ductility index of asphalt before and after aging while also enhancing the thermal stability of asphalt. Furthermore, the components of the ductile agent prepared by this invention are inexpensive and readily available, and are environmentally friendly, non-toxic, and harmless, conforming to the concept of green and sustainable development of additives.

This invention belongs to the field of rubber preparation technology, specifically relating to an anti-creep EPDM insulation material, its preparation method, and its application in integrated cables. By optimizing the ratio of EPDM rubber substrate with reinforcing agents, anti-creep agents, compatibilizers, and other components, combined with a specific preparation process, this invention significantly improves the material's anti-creep performance, wide-temperature-range insulation stability, mechanical strength, and compatibility. This material is suitable for ultra-deep vibratory-impact integrated cables and has broad application prospects.

The invention discloses a combined elastic short sleeper transformation method and a rail structure thereof, and belongs to the technical field of urban rail traffic rail structures. According to the technical scheme, the transformation method sequentially comprises the steps of lifting a track, drawing out a rubber sleeve shoe, cleaning a sleeper and a sleeper pit, installing a geometric shape and position adjusting frame, brushing an interface binder, pasting an elastic base plate, pouring a pouring material, placing the sleeper, replacing a vibration reduction fastener, adjusting the geometric shape and position, detecting the strength of the pouring material and the like. The improved track structure comprises a short sleeper, a composite elastic layer, a short sleeper geometric shape and position adjusting frame and a vibration reduction fastener for the short sleeper, and the composite elastic layer is composed of an under-sleeper elastic base plate, a sleeper side elastic limiting base plate and a quick-setting elastic damping pouring material and replaces an original rubber sleeve shoe. The geometric shape and position adjusting frame achieves accurate positioning and dynamic adjustment of the sleeper through the sleeper positioning frame, the telescopic connecting rod and the rail gauge and rail cant control spring system.

The application provides an amino-modified micro-nanoparticle modified asphalt and a preparation method thereof. The asphalt is prepared from amino-modified micro-nanoparticles and acid anhydride modified asphalt, wherein the weight ratio of the amino-modified micro-nanoparticles to the acid anhydride modified asphalt is 0.005-0.05:1. The preparation method of the modified asphalt is as follows: a proper amount of amino-modified micro-nanoparticles is added into molten acid anhydride modified asphalt, the temperature is maintained at 100-200 DEG C, and the stirring is continuously carried out at a speed of 1000-2000 rpm for 0.5-5 h to obtain the modified asphalt with uniformly dispersed micro-nanoparticles. The modified asphalt prepared by the application has significantly improved high-temperature performance, enhanced anti-rutting capacity and improved anti-aging performance compared with the base asphalt, and has great application potential in highways in high-temperature regions.

The application provides a high-performance fluororubber material and a preparation method thereof. The high-performance fluororubber material comprises the following components in parts by weight: 60-90 parts of fluororubber, 5-10 parts of modified EPDM, 0.5-3 parts of plasticizer, 15-40 parts of reinforcing agent, 1-5 parts of vulcanizing agent and 0.5-2 parts of acid absorbent. The high-performance fluororubber material prepared by the application has high tensile strength, elongation at break and thermal conductivity, low compression permanent set, high mechanical properties, high thermal conductivity, high elasticity, good anti-aging performance and low compression deformation, and has high material reliability and long service life.

This utility model discloses a prefabricated fiberglass meter well, relating to the technical field of fiberglass meter wells. It includes a base, a lower well body, an upper well body, and a cover. The base has an installation groove with a raised water guide pipe on the bottom surface of the groove. The water guide pipe has a water inlet on its side wall. The bottom of the lower well body sits within the installation groove, and its bottom surface has an insertion hole corresponding to the water guide pipe. The water guide pipe is inserted into the insertion hole, and the water inlet on the water guide pipe is located inside the lower well body. A positioning component is connected to the water guide pipe, which presses the bottom wall of the lower well body tightly into the installation groove. The upper well body is detachably connected to the lower well body, and its top has a well opening. The cover is fastened to the well opening. This utility model uses prefabricated components for on-site assembly, greatly shortening the construction period and reducing the impact of construction on the environment and traffic. The design of the water inlet not only solves the drainage problem, but the overall structure combines drainage and assembly structures, making assembly more convenient.

The present application belongs to the field of microbial technology, and particularly relates to a strain of M. extremo-utricum and application thereof. The M. extremo-utricum of the present application is derived from Prinsepia uniflora Batal. in Haba Snow Mountain, Yunnan, and has a preservation number of GDMCC No: 65163. The fermentation filtrate of the M. extremo-utricum exhibits outstanding effects of scavenging DPPH free radicals, scavenging ABTS free radicals and inhibiting hyaluronidase activity, and has effects of antioxidation, soothing and anti-aging. Therefore, the M. extremo-utricum can be used as a new type of green and safe functional additive in the field of skin care products, and is added in make-up and personal care products. In addition, the operation of preparing the fermentation filtrate by using the M. extremo-utricum is simple, and the operation process is economical, pollution-free, safe, environmentally friendly, sustainable, and the devices used are easy to clean. These characteristics show that the technology is not only suitable for large-scale industrial production, but also has great potential in the development of skin care product raw materials.

The utility model relates to water body ecological management equipment technical field especially relates to a kind of floating type wave-damping enclosure for water body ecological management, including rubber enclosure and floating shell assembly;Rubber enclosure is long strip flexible structure, and is laid along the preset boundary of water body management area;Floating shell assembly is symmetrically arranged in rubber enclosure both sides, and floating shell assembly is evenly spaced along the length direction of rubber enclosure There are several, provide stable buoyancy support for rubber enclosure;Floating shell assembly includes floating shell body, and floating shell body is lightweight structure with hollow inside, it uses high-density polyethylene material, satisfies the long-term use demand of water body ecological management;The utility model realizes the relative independence of target water body area and external water body by physical isolation mode, and then efficiently intercepts suspended pollutants, algae and the like in water body, guarantees the accurate implementation of ecological management measure, and can be widely applied to water body eutrophication management, pollution water body emergency management and control, ecological restoration subarea division and the like scene.

The utility model discloses a high flame-retardant cable, which comprises a flame-retardant sheath, an aluminum-plastic composite belt lining and a protection mechanism, the aluminum-plastic composite belt lining is arranged on the inner periphery of the flame-retardant sheath, and the protection mechanism is arranged inside the aluminum-plastic composite belt lining; the protection mechanism comprises an aramid fiber layer, silicone rubber, a reinforcing assembly, a TPU sleeve, a plurality of wire cores, an insulating sleeve and a filling layer. According to the scheme, the protection strength of components in the cable is greatly improved, and the service life of the wire cores and even the whole cable is prolonged.

The application relates to a methane purification MOF mixed matrix membrane and a preparation method thereof, and belongs to the technical field of separation membranes. The mixed matrix membrane adopts a mechanical chemical in-situ crystallization method to uniformly disperse metal organic framework material Ni(ina)2 in inherent microporous polymer PIM-1, and forms a composite membrane with a three-layer structure. The application realizes uniform distribution and strong interface combination of the MOF in the polymer matrix through a room-temperature ball milling process, and solves the technical problems of easy agglomeration of the MOF and many interface defects in the traditional mixed matrix membrane. The membrane has excellent performance in CH4 / N2 separation: the CH4 permeation rate reaches 8120 GPU, the CH4 / N2 selectivity reaches 6.52-7.11, and the membrane has excellent thermal stability, humidity stability and anti-aging performance; the performance attenuation is less than 11% after aging for 180 days under the condition of 60 DEG C / 85% humidity, and the performance is far superior to that of the traditional separation membrane.

The invention belongs to the field of engineering foundation seepage prevention, and discloses a cement soil pile wall and plastic steel sheet pile composite vertical seepage interception system and a construction method thereof.The composite vertical seepage interception system comprises a cement soil pile wall formed through stirring in advance, a plastic steel sheet pile formed through macromolecule thermoplastic forming and a connecting structure for connecting the plastic steel sheet pile and a main body; the connecting structure is composed of a rubber water stop strip, a seepage-stopping post-pouring connector, a water stop copper sheet and a flexible water stop material layer, the bottom of the plastic steel plate pile is flush with the bottom face of the cement soil pile wall, and the top of the plastic steel plate pile is exposed out of the top face of the cement soil pile wall. During construction, a special device is selected to pre-form a cement soil pile wall according to the type of a foundation soil layer, a plastic steel sheet pile is implanted before the cement soil pile wall is condensed, and after top surface cleaning and flattening, rubber water stop strip fixing, joint pouring after seepage interception and flexible water stop material layer brushing are conducted, a concrete tooth ridge and a wading building bottom plate are synchronously poured to form a seepage interception closed system. Double seepage interception is formed through the cement soil and the plastic steel sheet pile, and the water stopping reliability and the soil layer adaptability are improved.

The application provides a high-strength asphalt cold patching material and a preparation method thereof, belongs to the technical field of asphalt polymer materials, and the asphalt cold patching material comprises road petroleum asphalt, anionic emulsified asphalt, EAS-GMA, a core-shell structure composite modifier, epoxy soybean oil, basalt machine-made sand, limestone gravel, KH-550 and the like. The EAS-GMA is prepared by the reaction of polyamide resin, epoxy resin and stannous octoate, and then modified by KH-570. The core-shell structure composite modifier is prepared by the reaction of an isocyanate-terminated polyurethane prepolymer, epoxy resin and benzyl glycidyl ether, and then emulsified, and then MMA and KH-570 are added for adsorption, and then KPS is added for initiating reaction. The asphalt cold patching material is prepared by the synergy of multiple components and process optimization, breaks through the technical bottlenecks of long curing period, low initial strength, poor adhesion and insufficient durability of traditional cold patching materials, and realizes the unification of immediate compression and solidification and high strength and durability.

The application discloses a kind of high-flexibility torsion-resistant composite shielding cable for humanoid robot joint and preparation method, it is related to humanoid robot special cable technical field, cable is sequentially arranged from inside to outside flexible conductor bundle, fluoroplastic thin-wall modified insulation layer, carbon fiber filling flexible anti-torsion buffer layer, elastic wave-shaped adaptive composite shielding layer, flexible tensile buffer layer and glass fiber reinforced polyurethane outer sheath.The application uses double-layer homodromous twisting ultrafine tin-plated copper conductor to improve flexibility, and relies on circumferential array carbon fiber strip to build elastic anti-torsion system;Through the concave-convex base of elastic rope strip prefabrication, make aluminum foil and copper wire braided shielding form synchronous wave-shaped deformable structure, solve the problem of traditional shielding layer torsion fracture, efficiency attenuation.Collaborate modified ETFE thin-wall insulation and wear-resistant weather-resistant modified polyurethane sheath, give consideration to insulation, tensile, anti-fatigue performance.

The invention relates to the technical field of building decoration, in particular to an ultrahigh movable partition splicing facing structure and an anti-rotation stress method, and the ultrahigh movable partition splicing facing structure comprises a finished partition base plate, an integral aluminum plate back plate, a facing layer, an aluminum honeycomb core and an arc-shaped aluminum profile connecting piece. The facing layer is formed by splicing a plurality of facing plates through close splicing seams, and the back of the facing layer and the aluminum honeycomb core are compositely supported through the integral aluminum plate back plate. An arc-shaped aluminum profile connecting piece is arranged on the back face of a splicing seam of every two adjacent plate blocks, the connecting pieces are fixed to the back plate through countersunk head rivets, the edges of the plate blocks are clamped through snap fastener structures of the connecting pieces, and elastic buffering pads are arranged at the buckling positions. By means of the composite connection mode of mechanical locking, elastic buffering and overall bonding, stress generated by rotary push-pull, temperature deformation and external force impact is effectively dispersed and absorbed, the deformation resistance and cracking resistance of the ultrahigh partition multi-plate splicing position are remarkably improved, and meanwhile structural light weight, installation convenience and stability and attractiveness in long-term use are achieved.

This invention discloses a fire-retardant cable sheath material and its preparation method, relating to the technical field of sheath materials. In preparing the fire-retardant cable sheath material, the present invention involves reacting boron nitride sequentially with sodium hydroxide, 1-amino-4-[2-(triethoxysilyl)ethyl]benzene, and salicylaldehyde to obtain modified boron nitride; reacting ethylene-vinyl acetate copolymer with maleic anhydride and 1-allyl-1,1,3,3-tetramethyldisiloxane to obtain pre-modified EVA; reacting the pre-modified EVA with 4-(3-aminopropyl)-2,6-di-tert-butylphenol to obtain modified EVA; and melting and mixing the modified EVA, modified boron nitride, bio-based composite flame retardant, and chloroplatinic acid, followed by pressing to obtain the fire-retardant cable sheath material. The resin-based fire-retardant cable sheath material prepared by this invention exhibits excellent flame retardancy, anti-aging properties, and mechanical properties.