260 results about "Fiber matrix" patented technology

The invention discloses a fiber bragg grating deflection sensing system and a manufacturing method thereof, the fiber bragg grating deflection sensing system comprises a multi-layer carbon fiber belt reinforced matrix, the carbon fiber belt reinforced matrix is formed by superposing at least two layers of unidirectional carbon fiber prepreg belts or dry carbon fiber fabrics, and the at least two layers of carbon fiber belts are used for clamping a fiber bragg grating therebetween; a low-rigidity sensing window area is arranged on the carbon fiber belt reinforced matrix; the fiber bragg grating sensing unit comprises at least a plurality of fiber bragg gratings which are accurately and axially arranged between the at least two layers of carbon fiber prepreg tapes; the low-rigidity sensing window areas correspond to the fiber bragg gratings in number and position; the coating further comprises strong interface bonding glue; fiber leads at two ends of the fiber grating are led out from the end part of the sensing system; according to the system, the high rigidity of the cross-laid carbon fiber matrix in the measurement direction is matched with the strain concentration effect of the low-rigidity window area and the efficient strain transmission of the low-modulus glue to the FBG, so that high sensitivity and excellent linearity are realized through the combined action of the high rigidity, the strain concentration effect and the efficient strain transmission of the low-modulus glue to the FBG.

The invention relates to the technical field of flocking fibers, and discloses a fiber material for electrostatic flocking of an automobile spring and a preparation method thereof.The preparation method comprises the steps that a diamine monomer and a diacyl chloride monomer are subjected to a polymerization reaction and then react with KH550 modified mesoporous nano-silica, and polyamide modified mesoporous nano-silica is obtained; and finally, blending with nylon 66, melting and spinning to obtain the nylon fiber. The silicon dioxide contains a hollow mesoporous structure, and when sound waves enter the silicon dioxide, the sound waves can be reflected and scattered for multiple times in the internal hollow and pore channels, so that the energy of the sound waves is dissipated, and a good sound absorption effect is achieved. Meanwhile, a polyamide molecular chain grafted on the surface of the silicon dioxide contains a large number of hydrophobic alkyl long chains which are uniformly dispersed in a fiber matrix, so that the hydrophobicity of the fiber matrix can be improved, the water contact angle and the water resistance and waterproofness are improved, and good practical application is achieved in the aspects of electrostatic flocking fibers for automobile springs and the like.

The invention relates to the field of unmanned aerial vehicle materials, and discloses a modified carbon fiber material for an unmanned aerial vehicle, which comprises the following structural layers: a carbon fiber matrix; the Ni-Ti transition layer is deposited on the surface of the base body, the thickness of the Ni-Ti transition layer is 18-22 microns, and the mass ratio of Ni to Ti is 49.5: 50.5-50.5: 49.5; the nano composite coating covers the transition layer and comprises a nickel aminosulfonate matrix, nano alpha-Al2O3 and silicon carbide whiskers, the nano alpha-Al2O3 and the silicon carbide whiskers are dispersed in the nickel aminosulfonate matrix, the content of Al2O3 is 78-82 g / L, and the content of the silicon carbide whiskers is 14-16 g / L. Through the gradient composite interface structure design, cross-scale synergistic reinforcement of the metal matrix, the ceramic layer and the resin layer is achieved, the synergistic effect of chemical bonding and physical anchoring is further enhanced, and the material can still keep excellent interface stability in a thermal-mechanical coupling environment.

The invention relates to the technical field of battery negative electrode material preparation, in particular to a porous carbon fiber and a preparation method and application thereof. The porous carbon fiber comprises a porous carbon fiber matrix and lithium-loving functional particles, the porous carbon fiber matrix is provided with holes distributed in the surface and / or the interior of the porous carbon fiber matrix; the lithium-loving functional particles are distributed on the porous carbon fiber matrix in a surface loading and / or embedding manner, and the lithium-loving functional particles are loaded and / or embedded on the surfaces of at least part of holes; based on the total volume of the holes, the volume of the holes with the aperture smaller than or equal to 50 nm in the holes is not smaller than 70%. When the porous carbon fiber provided by the invention is applied to a battery, the problems of non-uniform lithium metal deposition, large volume expansion, poor stability, high cost and the like in the prior art can be improved.

The invention discloses an anti-ultraviolet high-flame-retardant polyester fiber and a preparation method thereof. The polyester fiber is prepared from the following raw materials in parts by weight: 100 parts of polyester chips, 20-60 parts of core-shell flame-retardant anti-ultraviolet particles and 2-4.5 parts of an anti-dripping agent. According to the invention, a porous alumina-titanium dioxide compound is used as a carrier, a magnesium hydroxide flame retardant, iron-doped carbon dots with photo-thermal performance and auxiliaries (an antioxidant and an ultraviolet light absorber) are combined with the carrier to construct a structural system loaded with multiple active components: functionalized flame-retardant particles, and then a polyurethane microporous membrane is coated, so that the flame-retardant polyurethane composite material is obtained. The core-shell type flame-retardant anti-ultraviolet particles are added into polyester fibers, so that the anti-ultraviolet performance and the flame-retardant performance of the polyester fibers can be remarkably improved. The polyester fiber provided by the invention can adaptively increase the release rate of the ultraviolet absorbent and the antioxidant when the ultraviolet property is enhanced in the environment, so that more optimized protection can be provided for a polyester fiber matrix at the moment.

The invention relates to the technical field of sand mold casting, and particularly discloses a gradient exhaust sand mold for an aluminum alloy thin-walled workpiece and a preparation method thereof.The sand mold comprises a cavity surface layer (with the hardness ranging from 90 HB to 95 HB), a transition layer (with the hardness ranging from 80 HB to 70 HB and a back sand layer (with the hardness ranging from 60 HB to 65 HB) which are arranged from inside to outside, and microporous ceramic exhaust rods (with the diameter ranging from 0.3 mm to 0.8 mm and the distance ranging from 1 mm to 3 mm) are embedded in the cavity surface layer; the exhaust rod is composed of a mullite fiber matrix and a nanometer gamma-AlO coating, the porosity is 40-50%, and the exhaust rod penetrates through the back sand layer to form a directional exhaust network. The preparation method comprises the following steps: mixing sand layer by layer (the cavity layer contains 1.0-1.5% of phenolic resin, and the back sand layer contains 0.4-0.6% of resin and 4-6% of starch); when sand is filled to the position 1-3 mm away from the surface of the cavity, an exhaust rod is implanted (the positioning precision is + / -0.1 mm); gradient compaction is carried out (the high pressure of a cavity is 3.0-4.0 MPa, the vibration of a transition area is 20-30 Hz, and the back sand airflow is 0.1-0.2 MPa); and carrying out microwave curing (2.5 to 3.5 kW, 60 to 120 s). The defects of hot cracks and air holes of the thin-wall part (smaller than or equal to 5 mm) are overcome synchronously, and the casting yield is increased to 95% or above.

Disclosed herein are embodiments of a non-woven hybrid-scale fiber matrix sheet which can be used to improve wound healing. The non-woven hybrid-scale fiber matrix sheet may be both microporous, due to the hybrid-scale fiber matrix, as well as macroporous through the addition of cuts or perforations in the hybrid-scale fiber matrix sheet. The micro and macroporous sheet can improve biological healing at a wound site.

The invention relates to the technical field of thermal insulation materials, in particular to a high-temperature-resistant aerogel composite material and a preparation method thereof. The high-temperature-resistant aerogel composite material is prepared from the following components in parts by weight: 15 to 35 parts of reinforced fiber matrix, 43 to 65 parts of silicon-aluminum-zirconium ternary aerogel network, 3 to 12 parts of functional nano filler, 2 to 8 parts of zinc borate flame-retardant component and 0.5 to 2 parts of surface hydrophobic modified layer. Wherein the reinforced fiber matrix is composed of aluminum silicate fibers, silicon carbide fibers and aluminum oxide nanofibers; the molar ratio of silicon to aluminum to zirconium in the silicon-aluminum-zirconium ternary aerogel network is 5: 2: 1; the functional nanofiller comprises aluminum oxide nanoparticles, titanium oxide nanoparticles, carbon nanotubes and boron nitride nanosheets; the zinc borate flame-retardant component is zinc borate; the surface hydrophobic modification layer comprises an inner methyltrimethoxysilane modification layer and an outer hexamethyldisilazane modification layer. The high temperature resistance and thermal shock resistance of the material are remarkably improved, a low-energy-consumption preparation process is adopted, and the material has excellent comprehensive performance.

The embodiment of the invention provides an insulating film and a preparation method thereof, an insulating composite film and a preparation method thereof, and electrical equipment, and relates to the technical field of expansion materials. The insulating film comprises a fiber matrix and an expansion compound, and the expansion compound is compounded in the fiber matrix. The insulating film can be prevented from being separated or cracked, and the electrical property and the mechanical property of the insulating film are improved.

The present disclosure provides a delivery system comprising a fibrous substrate with continuous pores and a composition homogenously bonded to the pores. The fibrous substrate comprises at least a predetermined percentage of cotton and one or more materials selected from the group of consisting spandex, nylon, silver and antimicrobial mesh. The composition comprises a predetermined percentage of beeswax and a predetermined percentage of mineral oil. The predetermined percentage of beeswax is greater than the predetermined percentage of mineral oil.

The invention discloses a flame-retardant fiber and application thereof, the flame-retardant fiber comprises a flame-retardant fiber matrix and an organic-inorganic flame-retardant coating coated on the flame-retardant fiber matrix, and the organic-inorganic flame-retardant coating is formed by adopting an organic-inorganic phosphorus-containing flame retardant; according to the organic and inorganic phosphorus-containing flame retardant, hydroxylated carbon nanospheres are adopted as a core layer, a reaction product of bis (4-chlorphenyl) phosphoryl chloride and derivatives thereof and 4, 4 '-diaminodiphenyl sulfone and derivatives thereof is adopted as a shell layer, and the core layer and the shell layer are connected through acting force including covalent bonds and / or hydrogen bonds to form a core-shell structure; the flame-retardant fiber disclosed by the invention not only has an excellent flame-retardant effect, but also has better effects in other aspects such as antistatic property, spinnability, fiber system stability and the like, and is suitable for preparing flame-retardant textiles.

Disclosed is a media for capturing carbon dioxide from a gas stream of ambient air or industrial exhaust. The media includes a fiber matrix having fine fiber strands formed from at least one first polymer capable of capturing carbon dioxide through absorbance or adsorbance. The fine fiber strands have a first mean diameter of 5000 nm or less. Further, the media includes a plurality of nodules dispersed in the fiber matrix, and the plurality of nodules are made from a nodule material capable of capturing carbon dioxide through absorbance or adsorbance. The media can be configured for use in a carbon capture element of a carbon capture cell disposed within a carbon capture system, such as a direct air or point source carbon capture system.

The invention relates to the technical field of lithium batteries, in particular to a composite solid electrolyte membrane, a preparation method thereof and a lithium metal battery. The composite solid electrolyte membrane comprises a fiber porous matrix and a filling phase, the fiber porous matrix is of a three-dimensional porous structure formed by ordered arrangement and crosslinking of fiber matrixes, and pores of the fiber porous matrix are filled with the filling phase; a Hellman orientation factor fgt of the fibrous porous matrix; 0.5 part; the fiber matrix comprises a fiber material and a first functional additive, and the first functional additive is attached to the fiber material; the filling phase comprises a polymer material, a lithium salt and a plasticizer. According to the composite solid electrolyte membrane disclosed by the invention, the components and structures of the fiber porous matrix and the filling phase are optimized, so that the ordered fiber porous matrix and the filling phase can play a better synergistic effect; therefore, the composite solid electrolyte membrane has excellent performance in the aspects of high ionic conductivity, wide electrochemical window, long cycle life, high safety and the like.

The invention relates to the technical field of composite electronic product shells, in particular to an acrylic composite electronic product shell base material, a structural part and a preparation method of the acrylic composite electronic product shell base material and the structural part. The method comprises the following steps that S1, in-situ polymerization raw materials are mixed and prepared into pulp, then the pulp and fiber cloth are prepared into supporting layers through an in-situ polymerization technology, and the multiple supporting layers are stacked together; s2, covering at least one reinforcing layer on the upper surface of the supporting layer; s3, covering at least one strengthening layer on the lower surface of the supporting layer; and S4, putting the stacked supporting layer and strengthening layer into a mold together, and then carrying out ultrasonic welding. The base material prepared by the method has the characteristics of being light and thin, good in melt fluidity and good in infiltration effect on a fiber matrix.

The present application relates to a kind of elastic wall phase change microcapsule-containing fiber and its preparation method and application, it relates to composite fiber field.Elastic wall phase change microcapsule-containing fiber includes fiber matrix, elastic wall phase change microcapsule, elastic wall microcapsule includes wall material, core material, wall material includes polyamide 66 / polyethylene glycol copolymer, the raw material of core material includes polyimide aerogel, polyethylene glycol phase change material.Elastic wall phase change microcapsule is contained in the fiber, can overcome the microcapsule used in the prior art phase change polyamide fiber difficult to deform, particle size size requirement is strict, in turn lead to core material is easily leaked, and the compatibility of the raw material of fiber matrix is poor.

The invention relates to the technical field of fibers, and particularly discloses a skin-friendly fiber, a preparation method of the skin-friendly fiber and a hygienic product with the skin-friendly fiber. The skin-friendly fiber comprises a fiber matrix and a coating layer coating the fiber matrix, and the fiber matrix comprises a core layer and a skin layer coating the core layer; the core layer is prepared from the following raw materials: PET resin, whitening master batch, a flexibilizer, a compatilizer and an antioxidant; the skin layer comprises the following raw materials: PE resin, an initiator, glycidyl methacrylate and tertiary amine; the coating layer comprises the following raw materials: red camellia oil microcapsules and polylysine; the capsule core of the red camellia oil microcapsule is red camellia oil, and the capsule wall of the red camellia oil microcapsule is prepared from the following raw materials: chitosan, hyaluronic acid and a glutaraldehyde solution in a mass ratio of 1: (2-3): (1.5-2). The skin-friendly fiber can be used for manufacturing non-woven fabrics of hygienic products, and has the advantages of being skin-friendly, soft, breathable and high in moisture penetrability.

A compostable, high-temperature-resistant liner for use in cooking applications, comprising a plant-based fiber matrix incorporating one or more food-safe, heat-resistant components.The material may include, but is not limited to, sugarcane bagasse, bamboo, hemp, or similar natural fibers, and may further include heat-resistant additives such as plant-derived waxes, mineral substances including kaolin clay, or comparable compounds.The liner is suitable for use at temperatures exceeding 500° F. and may be provided as a flat sheet or as a molded insert with raised edges to fit standard broiler or oven trays.

The invention discloses an anti-ultraviolet high-flame-retardant polyester fiber and a preparation method thereof. The polyester fiber is prepared from the following raw materials in parts by weight: 100 parts of polyester chips, 20-60 parts of core-shell flame-retardant anti-ultraviolet particles and 2-4.5 parts of an anti-dripping agent. According to the invention, a porous alumina-titanium dioxide compound is used as a carrier, a magnesium hydroxide flame retardant, iron-doped carbon dots with photo-thermal performance and auxiliaries (an antioxidant and an ultraviolet light absorber) are combined with the carrier to construct a structural system loaded with multiple active components: functionalized flame-retardant particles, and then a polyurethane microporous membrane is coated, so that the flame-retardant polyurethane composite material is obtained. The core-shell type flame-retardant anti-ultraviolet particles are added into polyester fibers, so that the anti-ultraviolet performance and the flame-retardant performance of the polyester fibers can be remarkably improved. The polyester fiber provided by the invention can adaptively increase the release rate of the ultraviolet absorbent and the antioxidant when the ultraviolet property is enhanced in the environment, so that more optimized protection can be provided for a polyester fiber matrix at the moment.

The invention relates to a mechanoluminescent color-changing fiber and a preparation method thereof, and belongs to the technical field of intelligent materials. The mechanochromic fiber comprises a mechanochromic layer and a mechanochromic fiber matrix layer, and the mechanochromic layer is partially formed on the periphery of the mechanochromic fiber matrix layer. According to the invention, the light-emitting and color-changing effect of the mechanoluminescent color-changing fiber under force stimulation can be realized, and meanwhile, the independence and functionality of the light-emitting layer and the color-changing layer are kept.

The invention relates to the technical field of polylactic acid fibers, and discloses a preparation process of an anti-static polylactic acid superfine fiber fabric, star-shaped polylactic acid grafted carbon nanotubes are prepared from tetra (hydroxymethyl) phosphorus chloride, 2-amino-4, 6-dimethoxy-1, 3, 5-triazine and the like as raw materials, and the star-shaped polylactic acid grafted carbon nanotubes and polylactic acid slices are subjected to melt spinning to obtain the polylactic acid superfine fiber fabric; the star-shaped polylactic acid grafted carbon nanotubes have a structure similar to that of a polylactic acid matrix, so that the carbon nanotubes are uniformly dispersed in a polymer matrix and form relatively strong interface bonding, migration and precipitation are avoided, and the star-shaped polylactic acid grafted carbon nanotubes have anti-static durability; the structure of the superfine fiber fabric contains nitrogen and phosphorus synergistic flame-retardant elements, so that the exchange between a fiber matrix and oxygen and heat in the air can be blocked, and the flame-retardant property of the superfine fiber fabric is improved; the density of the fiber fabric can be increased by the formed cross-linked network structure, so that the mechanical property of the superfine fiber fabric is remarkably improved.

The invention relates to aerogel fiber paper and a preparation method thereof, and the preparation method comprises the following steps: S1, uniformly mixing deionized water, a fiber dispersant and modified fibers to obtain slurry A; s2, uniformly mixing deionized water, titanium dioxide-based composite aerogel powder, a powder surfactant and dilute acid to obtain a paste material B; s3, the slurry A and the paste B are combined in different forming modes, and a pre-product is obtained; s4, spraying or coating the paste material B above the fiber matrix, and sequentially and alternately laying fiber matrix layers on the surface of the paste material B to obtain a laminated body M; and S5, mixing the pre-product or the laminated body with a binder, performing vacuum filtration and drying, and then performing programmed heating, cooling, cutting and packaging to obtain the aerogel fiber paper. The thickness of the obtained aerogel fiber paper is 0.5-5 mm, the normal-temperature thermal conductivity is smaller than or equal to 0.017 W / (m.K), the high-temperature thermal conductivity is smaller than or equal to 0.033 W / (m.K), the tensile strength is larger than or equal to 0.75 Mpa, and the forming rate is 100%.

The invention relates to a preparation method of a high-content titanium dioxide fiber and hidden sweat stain knitted fabric. The preparation method comprises the following steps: firstly, carrying out primary hydrophobization treatment on TiO2 particles through silane coupling KH-550; a block copolymer PEO-PPO-PEO dispersing agent is introduced, so that agglomeration of the powder is inhibited; directly introducing the TiO2 subjected to surface modification treatment into a polyester polymerization system to prepare polyester with ultrahigh TiO2 content; pOY (polyester pre-oriented yarn) is spun by polyester, and 50D / 36F DTY and 75D / 36F DTY with ultrahigh TiO2 content are prepared by elasticizing; two types of tuck stitch fabrics and one type of single jersey stitch fabrics are developed. The super-high TiO2 + tuck stitch is adopted, the high refractive index (2.4-2.9) of nano TiO2 can scatter visible light, reduce the optical contrast ratio of sweat stains and a fiber matrix and ensure smooth air circulation of the fabric, so that the fabric has excellent moisture absorption and quick drying performance, moisture can be quickly evaporated, the air permeability and wicking effect of the fabric are improved, and the fabric has good moisture absorption and quick drying effects. Water vapor on the inner side of the fabric can be rapidly conducted to the outer side of the fabric, and a good sweat stain hiding effect is achieved.

Particles of non-woven graft materials for use in specialized surgical procedures such as soft tissue repair and wound management procedures, methods for making the powder, and methods for repairing tissue such as neurological tissue using the powder are disclosed. The particles can advantageously be used to fill irregular shaped areas or can be used in conjunction with non-woven graft materials.

The ultrahigh anti-cutting fiber comprises an ultrahigh molecular weight polyethylene fiber matrix and a reinforcing filler dispersed in the matrix, the molecular weight of the ultrahigh molecular weight polyethylene fiber is 1 million to 10 million, the length of the reinforcing filler is 0.1-100 microns, the diameter of the reinforcing filler is 0.1-25 microns, and the diameter of the reinforcing filler is 0.1-10 microns. The mass ratio X of the reinforcing filler to the ultra-high molecular weight polyethylene fiber is (0.002-0.60): 1, according to ASTM F2992 standard test, the cutting force of the anti-cutting fiber is 1500-7500 gf, and the ultra-high anti-cutting fiber has extremely excellent anti-cutting performance, can reach A9 grade at most, has high-strength protection performance and good wearing comfort, and can be used for manufacturing the ultra-high molecular weight polyethylene fiber. And the protection time efficiency of the anti-cutting gloves and other anti-cutting products is greatly prolonged.

The tensile strength of the high-toughness plant fiber non-woven fabric is larger than or equal to 20 MPa, the elongation at break of the high-toughness plant fiber non-woven fabric is larger than or equal to 25%, and the 24-hour water absorption rate of the high-toughness plant fiber non-woven fabric is smaller than or equal to 40%; the plant fiber non-woven fabric is prepared by dipping a plant fiber non-woven fabric in a mixed aqueous solution containing polyvinyl alcohol, cellulose nanofibers and citric acid and carrying out heat treatment. According to the preparation method, a plurality of carboxyl groups on citric acid molecules and hydroxyl groups on polyvinyl alcohol chains, on the surfaces of cellulose nanofibers and on plant fiber matrixes are subjected to esterification reaction to form a compact ternary synergistic cross-linked network, so that the mechanical property and the water resistance of the plant fiber non-woven fabric are effectively improved.

The invention relates to the technical field of papermaking, and provides a composite fiber material and a preparation method thereof.The composite fiber material comprises a reinforcing layer and a functional layer which are arranged in a stacked mode; the reinforcing layer comprises matrix-fibril type composite fibers, and the matrix-fibril type composite fibers comprise synthetic fibrils and matrix fibers covering at least part of the surfaces of the synthetic fibrils; the functional layer comprises a skin-core type composite fiber, and the skin-core type composite fiber comprises a core layer and a functional skin layer wrapping at least part of the surface of the core layer. According to the invention, the interface bonding and load transmission efficiency of synthetic fibrils and a cellulose network is improved on the enhancement layer, and a high-strength bearing skeleton is constructed; the functional layer limits functional components on the surfaces of the fibers to form a stable functional skin layer, so that the functional components are prevented from forming a weak boundary layer among the fibers and weakening fiber bonding; the two layers cooperate to realize that the paper-based material keeps high strength and reduces the interlayer stripping risk while obtaining the target surface function.

The present invention belongs to the technical field of SiC / Cu-based precursor wires, and specifically relates to a SiC / Cu-based precursor wire, a preparation method, and applications thereof, and a SiC / Cu-based composite material, and a preparation method and applications thereof. The SiC / Cu-based precursor wire provided by the present invention deposits a transition layer on the surface of a SiC fiber. The multi-layer coating includes alternating TaN layers and Ta layers. The interaction between the Ta layer and the interface of the layers in the multilayer structure can significantly improve the toughness of the transition layer and improve the thermal residual stress in the SiC / Cu-based composite material, thereby improving the tensile strength of the SiC / Cu-based composite material while ensuring improved interface bonding. At the same time, it can hinder the corrosion of the Cu matrix on the SiC fiber matrix, improve the interface stability, and protect the fiber matrix.

The invention discloses a preparation method of an ultrathin self-supporting composite solid-state electrolyte membrane and a solid-state battery, and relates to the technical field of solid-state electrolyte. The binary composite cross membrane with the ion-conducting characteristic and the high-strength heat-resistant characteristic is prepared through synchronous electrostatic spinning, and the binary composite cross membrane is composed of ion-conducting polymer fibers and a high-strength heat-resistant fiber matrix; and then repeatedly carrying out vacuum impregnation-drying on the sulfide electrolyte slurry in the composite membrane, and finally rolling to obtain the ultrathin high-ion-conductivity high-temperature-resistant self-supporting electrolyte membrane. The mechanical strength and the thermal stability of the electrolyte membrane can be considered, meanwhile, an effective transmission path of ions in the middle layer is increased, and the tortuosity of the ion transmission process is reduced, so that the ion transmission characteristic of the electrolyte membrane is improved.

Particles of non-woven graft materials for use in specialized surgical procedures such as soft tissue repair and wound management procedures, methods for making the powder, and methods for repairing tissue such as neurological tissue using the powder are disclosed. The particles can advantageously be used to fill irregular shaped areas or can be used in conjunction with non-woven graft materials.

The application discloses a high-heat-conducting electrolytic capacitor paper, which is prepared from the following components in parts by weight: paper base fiber: 40-100 parts; modified ceramic filler powder: 5-25 parts; adhesive: 1-10 parts; and auxiliary agent: 2-15 parts. The application also provides a preparation method of the high-heat-conducting electrolytic capacitor paper. The high-heat-conducting electrolytic capacitor paper has good adsorption and good insulation, and still has very low ESR in the high-frequency working process. The ceramic filler powder and the adhesive are added into the paper base fiber matrix, the ceramic filler powder greatly enhances the heat-conducting performance of the capacitor paper, and the adhesive can effectively improve the strength of the paper, so that the strength requirement of the electrolytic capacitor paper in various processing can be met. Overall, the high-heat-conducting electrolytic capacitor paper has high heat conductivity and high paper strength, and has all the excellent performances of the paper base capacitor paper.