97 results about "Gfrp composite" patented technology

The invention discloses a corrosion-resistant offshore wind power FRP-steel composite tower tube structure multi-objective optimization design method. The method comprises the following steps that a composite tower tube structure in an outer layer GFRP-steel tube-inner layer GFRP composite section form is adopted below the sea level and in a splash zone; mapping the coupling load time history to a parameterized finite element model of the composite tower tube structure; constructing a multi-objective optimization function by taking the minimization of the total manufacturing cost of the composite tower drum structure, the minimization of the total mass of the composite tower drum structure and the maximization of the total volume proportion of the GFRP material of the composite tower drum structure as objectives; and establishing a constraint evaluation system, carrying out iterative optimization on the multi-objective function by adopting a fast non-dominated sorting genetic algorithm with an elitist retention strategy, outputting a Pareto optimal solution set, and selecting a final implementation scheme. The problems that a traditional pure steel tower drum is large in corrosion loss and the design is difficult to balance multiple performance targets in the severe ocean environment can be solved.

The invention discloses a light high-strength corrosion-resistant composite insulated electric pole and a preparation method thereof, and belongs to the technical field of power transmission facilities. The electric pole is of a conical hollow structure, and an inner tough layer, a structural layer and an outer protective layer are sequentially compounded on a wall layer from inside to outside. The inner tough layer is made of a hyperbranched polyester modified epoxy vinyl ester-glass fiber composite material, so that the electric pole is endowed with excellent bending resilience performance; the structural layer is made of S glass fiber and T700 carbon fiber hybrid reinforced epoxy resin, so that high strength and rigidity are ensured; the outer protective layer is a fluorinated polyurethane / boron nitride composite coating, and provides long-acting weather resistance, corrosion resistance and insulation protection. According to the invention, through collaborative design of multi-layer materials and an integrated forming process, light weight, high mechanical strength, excellent insulativity and recoverability after bending of the electric pole are realized, and the electric pole is suitable for electric power line construction in a harsh environment.

The invention relates to the technical field of recovery of glass fibers in retired wind power blades, and provides a method for separating glass fibers from retired wind power blades, which not only has high degradation rate, high glass fiber strength retention rate and low glass fiber fracture rate, but also can consider high yield of fibers with the length of 1-10mm and high proportion of fibers with the length of 3-7mm. The method comprises the following steps that S1, the retired wind power blade is disassembled, and a non-glass fiber composite material part is removed; s2, the disassembled blades are subjected to coarse crushing; then carrying out fine crushing to obtain a fine crushed material; s3, putting the finely crushed material into a degradation solution, carrying out degradation reaction at the temperature of 150 DEG C or above, and filtering after the reaction is completed, so as to obtain glass fiber filter residues; the degradation solution is a benzyl alcohol aqueous solution added with ferric chloride and / or zinc chloride; s4, cleaning the glass fiber filter residues, and then drying to obtain pure glass fibers.

The invention discloses a fording damaged pier reinforcing structure and a design method and a construction method thereof, and belongs to the technical field of bridge reinforcing. The bridge pier reinforcing structure comprises an assembly type prestress sleeve which is arranged outside a damaged bridge pier in a surrounding mode, and an annular space is formed between the assembly type prestress sleeve and the damaged bridge pier; the annular space is filled with the concrete pouring layer, and the concrete pouring layer is used for bonding the damaged bridge pier and the assembly type prestressed sleeve and providing bearing force supplement for the damaged bridge pier; the fabricated prestressed sleeve is made of a glass fiber composite material; a plurality of annular prestressed tendons are fixed in the fabricated prestressed sleeve, prestress is applied to the prestressed tendons before a concrete pouring layer is poured, and the prestressed tendons are used for applying lateral restraining force to the concrete pouring layer and the damaged pier after pouring is completed. The bridge pier reinforcing structure is simple in construction, high in efficiency, low in cost, good in repairing effect and high in durability for wading bridge piers.

The utility model provides a telescopic anti-frost-crack composite tap water pipeline structure, which belongs to the technical field of tap water pipes and comprises a tap water pipeline body and corrugated telescopic sections, the corrugated telescopic sections are equidistantly arranged on the tap water pipeline body, and the tap water pipeline body comprises a composite layer, a heat preservation layer and an anti-corrosion coating. A heat preservation layer is fixedly arranged on the outer side surface of the composite layer, and an anti-corrosion coating is fixedly arranged on the inner side surface of the composite layer. The composite layer, the heat preservation layer and the anti-corrosion coating are arranged, the composite layer is made of high-density polyethylene and glass fiber composite materials, the strength and low-temperature resistance of the tap water pipeline body can be guaranteed, the tap water pipeline body can be prevented from frost cracking caused by low temperature, the heat preservation layer is made of polyurethane foam materials, and the heat preservation effect is good; heat loss on the tap water pipeline body can be reduced, the heat preservation effect is improved, the anti-corrosion coating is a polyethylene coating, corrosion resistance is good, the inner wall of the tap water pipeline body can be prevented from being corroded, and the service life is prolonged.

The invention belongs to the field of recycling plastic waste, particularly mixed plastic, recycling of which is very challenging. The invention relates to a device and a method for processing mixed waste plastic (MWP) and products made from mixed waste plastic. The mixed waste plastic comprises at least two of the following plastics: acrylonitrile butadiene styrene (ABS), ABS and glass fibre composite (ABS GF), polycarbonate (PC), polycarbonate and glass fibre composite (PC GF), PC-ABS composite, polyamide (PA), polybutylene terephthalate (PBT), and quartz sand (QS) with granulation up to 3 mm mixed in a selected ratio, which is from 30% : 70% to 60% : 40%. The method comprises the following steps: a) mixing MWP and QS, b) leading the prepared mixture to the extruder comprising a shaft with blades arranged for mixing and moving the material along the extruder, wherein the extruder is heated to a temperature between 200 and 250 °C, c) extruding the material from the extruder to a heated container, heated so that the temperature of the material inside it is between 210 and 240 °C, d) leading the material into a mould inside a press arranged to compress the mould, which presses the material into the desired shape, wherein said mould is cooled so that the product is cooled to a temperature between 60 and 90 °C and hardens.

The present invention relates to a multi-material rod (10) comprising: - a core (16), extending in a direction of extension (AX), made of a carbon fiber composite material (12) or formed of an assembly comprising a core made of a carbon fiber composite material (12) and a layer of glass fiber composite material (14) which surrounds the core; and - an outer casing (18) providing electrical and / or UV and / or moisture insulation of the core, this outer casing (18) coating the core (16) along the direction of extension by being formed of a varnish which adheres mechanically and / or chemically to this core (16); in which the casing (18) has an elongation at break which is substantially equal to or greater than the elongation at break of the core (16). Figure for abstract: Fig.1

The invention discloses a novel sleeper for an intercity railway, and relates to the technical field of railway track engineering, the novel sleeper comprises a pair of sleeper blocks arranged at an interval, a steel reinforcement framework is arranged in each sleeper block, and a fastener sleeve is pre-buried in each sleeper block; the connecting bar is made of a glass fiber composite material, the cross section of the connecting bar is a non-circular section, and the two ends of the connecting bar are embedded in the pair of sleeper blocks respectively, so that the pair of sleeper blocks are connected to form an integral structure. The method has the beneficial effects that (1) factory integrated prefabrication is carried out, so that the product quality and consistency are ensured, and the field construction amount and cost are greatly reduced; (2) the regular hexagonal rhombic connecting bars provide excellent tensile strength and insulativity, and the unique shape of the regular hexagonal rhombic connecting bars enhances the bond stress with concrete; (3) the stability of the upper structure of the rail is ensured by the high precision and high pulling resistance of the sleeve; and 4) the bonding between the sleeper and a ballast bed is enhanced through the roughening treatment of the side surface, and the generation and development of cracks of the ballast bed are effectively inhibited.

The invention provides a modified polyether-ether-ketone resin composite material as well as a preparation method and application thereof, and belongs to the field of high-molecular polymer materials. The modified polyether-ether-ketone resin / glass fiber composite material with a continuous chemical gradient interface is prepared through the interface bonding design of the polyether-ether-ketone oligomer containing the phenylacetylene functional group, the respective plasticizing and co-extrusion composite process and the reverse gradient structure design with the hard outside and the tough inside; the composite material is used for a high-performance robot exoskeleton device, and the problems that the strength and toughness of a traditional composite material are difficult to maximize at the same time, layers of a multi-layer or gradient material are easy to strip and lose efficacy, and a high-performance complex component is tedious in preparation process and low in efficiency are solved. The composite material provided by the invention has excellent mechanical properties and anti-aging and anti-fatigue properties, shows certain heat resistance during high-temperature heating, and shows great application potential in the field of high-end medical devices.

The application discloses a kind of corrosion-resistant offshore wind power FRP-steel composite tower drum structure multi-objective optimization design method, comprising the following steps: below sea level and splash zone are adopted with outer layer GFRP-steel pipe-inner layer GFRP composite cross-section form composite tower drum structure;Coupling load time history is mapped to the parameterized finite element model of composite tower drum structure;With the total manufacturing cost minimization of composite tower drum structure, the total mass minimization of composite tower drum structure, the total volume proportion maximization of GFRP material of composite tower drum structure is as target, and multi-objective optimization function is constructed;Establish constraint evaluation system, and the fast non-dominated sorting genetic algorithm with elite reservation strategy is used to iteratively optimize multi-objective function, and output pareto optimal solution set and select final implementation scheme.The application can solve the problem that traditional pure steel tower drum is greatly corroded and difficult to balance multiple performance targets in harsh marine environment.

The application relates to the technical field of epoxy resins, and discloses a weather-resistant epoxy resin-glass fiber composite material and a preparation method thereof. The weather-resistant epoxy resin-glass fiber composite material comprises 100 parts by weight of an epoxy resin, 4-15 parts by weight of modified polystyrene, 10-25 parts by weight of glass fiber and 9-12 parts by weight of an amine curing agent. The modified polystyrene contains a large amount of hydroxyl groups, can interact with the surface of the glass fiber, realizes surface coating of the glass fiber, is favorable for improving the dispersibility of the glass fiber and improving the mechanical properties of the epoxy resin composite material. The main chain of the modified polystyrene molecule contains a large amount of flexible ether bonds, has a good toughening effect on the epoxy resin, is favorable for improving the toughness and impact strength of the epoxy resin, and the weather-resistant performance of the composite material is excellent.

The application discloses a polyurethane glass fiber composite communication guyed tower, and belongs to the technical field of guyed towers. The polyurethane glass fiber composite communication guyed tower comprises a tower base, the inside of the tower base is provided with a first tower which is fixedly arranged in the tower base, the outside of a connecting mechanism is provided with an anti-loosening mechanism which is used for splicing and fixing the connecting mechanism, and the outside of the anti-loosening mechanism is provided with a splicing mechanism which is used for mounting without punching. The anti-loosening mechanism and the splicing mechanism are arranged, a special locking device is arranged, when the first bolt and the second bolt are tightened, the locking device can clamp the top end of the bolt, the bolt cannot be easily rotated, the loosening of the bolt is effectively prevented, the stability of the connecting position of the first tower and the second tower is ensured, even when the tower is subjected to the interference of external environment, such as strong wind and vibration, the damage of the connecting position caused by the factors can be greatly reduced, and the safety of the overall structure of the tower is ensured.

The invention relates to a compact single-circuit I-type integrated composite insulation tower which comprises a tower head part, a tower body part and a tower base part. The tower head part comprises a grounding leading-down steel pipe, a glass fiber composite material, a wire steel ring and a wire clamp; the grounding leading-down steel pipe is wrapped by a glass fiber composite material, a plurality of wire steel rings are arranged on the surface of the glass fiber composite material, umbrella skirts are formed among the wire steel rings, and wire clamps are fixed on the wire steel rings. The invention has the beneficial effects that the insulation distance between phases is compressed by utilizing the insulation capability of the tower body, and the spaces on the two horizontal sides of the tower are saved; and the wire is directly fixed on the tower head of the tower, and the tower provides mechanical fixation and support, so that the wind deflection angle of the wire is also reduced.

The invention belongs to the technical field of glass fiber reinforced plastic composite material production, and particularly relates to a glass fiber reinforced plastic composite material waste gas control process which comprises the following steps: S1, waste gas collection: conveying waste gas by adopting a glass fiber reinforced plastic pipeline; s2, rotating wheel concentration: low-concentration VOCs are adsorbed by using a zeolite rotating wheel, the concentration is increased after desorption, and a desorption heat source is recycled waste heat; s3, pretreatment: sequentially passing through a detachable glass fiber filter cartridge-activated carbon layer, superheated water molecule reaction and pulse electrostatic treatment; s4, deep treatment: catalyzing, combusting, oxidizing and degrading organic matters; and S5, heat energy recovery, wherein a ceramic honeycomb heat exchanger conducts countercurrent flow heat exchange, and air is preheated to 120 DEG C or above for reuse. Through the combined process of rotating wheel concentration and catalytic combustion, low-concentration waste gas is concentrated and then treated, the combustion efficiency is improved, and the energy consumption is reduced; particulate matters and part of VOCs (Volatile Organic Compounds) are removed through three-stage pretreatment of dry filtration, superheated water molecular reaction and pulse static electricity, and efficient and low-consumption treatment is realized through staged purification and heat energy recovery.

The invention discloses a self-repairing device for a cement pole composite insulating sheath with a structural curing agent. The self-repairing device comprises a cement pole; the FRP glass fiber reinforced ring pipe is arranged outside the cement electric pole in a sleeving manner, and the FRP glass fiber reinforced ring pipe and the cement electric pole are concentrically arranged; connecting structures are arranged at the two ends of the FRP glass fiber reinforcing ring pipe, each connecting structure comprises a connecting tooth head and a connecting tooth head which are matched with each other, the connecting tooth heads are fastened through mortise and tenon structures, and tooth openings are filled with structural adhesive to achieve seamless connection. According to the self-repairing device for the cement pole composite insulating sheath with the structural curing agent, the FRP glass fiber composite material is adopted, the weight is far lower than that of a traditional cement pole, the self-repairing device is conveniently carried by a worker to go uphill, and the construction difficulty is reduced; the old electric pole does not need to be disassembled, a sheath is directly arranged in a sleeving mode, repairing liquid is injected, hot-line work is achieved, and the influence of power failure is avoided.

The invention belongs to the technical field of glass fiber composite materials, and particularly relates to a modified glass fiber asphalt composite protective pad for a submarine pipeline and a preparation method. The protective pad comprises an asphalt base layer, a CNTs modified glass fiber reinforcement layer and a nano-montmorillonite modified asphalt outer surface layer, the thickness of the asphalt base layer is 20-30 mm; the thickness of the CNTs modified glass fiber reinforcement layer is 10 to 15 mm; the spraying thickness of the nano-montmorillonite modified asphalt is 2-9 mm, the CNTs modified glass fiber reinforcement layer constructs a nanoscale reinforcement phase on the fiber surface, and the MMT modified asphalt outer surface layer remarkably inhibits seawater chloride ion permeation and delays asphalt aging through layered structure physical barrier and ion exchange effects. The protective pad prepared by the invention meets the requirements of flexibility and rigidity, not only can adapt to irregular surface laying of the submarine pipeline, but also can directionally enhance the tensile strength through a fiber laying design (unidirectional / orthogonal), and is simple in preparation method and suitable for industrial production.

The invention discloses a preparation method of a regenerated glass fiber cement-based composite material. The method comprises the following steps: preparing regenerated glass fibers, specifically comprising the following steps: mechanically crushing a waste glass fiber reinforced plastic composite material to obtain a glass fiber composite material matrix, and pyrolyzing to obtain regenerated fiber agglomerates; screening and shearing the regenerated fiber mass to obtain regenerated fibers; carrying out drying pretreatment on the regenerated fibers, and then carrying out heat treatment at 550-650 DEG C to obtain regenerated glass fibers; the regenerated glass fiber cement-based composite material is prepared from the following components in 2000 parts by weight: 450-550 parts of cement, 1200-1400 parts of fine aggregate, 9-36 parts of regenerated glass fiber, 8-12 parts of a water reducing agent and 180-200 parts of water. The mechanical property and durability of the composite material can be improved, and the waste fan blade can be effectively recycled.

Embodiments are directed to systems and methods for two or more cured composite assemblies that are bonded together to form a tubular composite structure, wherein each of the cured composite assemblies do not have a tubular shape. The tubular composite structure may form a spar for an aerodynamic component, for example. The two or more cured composite assemblies may comprise carbon or fiberglass composite materials or a combination of materials. Each of the cured composite assemblies may further comprise axial edges that are configured to be bonded to another of the cured composite assemblies, wherein the axial edges have a sloped shape. An adhesive agent may be applied on the axial edges for bonding two cured composite assemblies. Alternatively, or additionally, one or more fasteners may be used to attach the axial edges of at least two cured composite assemblies.

The invention discloses a glass fiber composite material recycling device and method. The method comprises the following steps: shearing and crushing a waste glass fiber composite material to obtain crushed recycled fiber bundles; uniformly mixing the recycled fiber bundles with commercial fibers to obtain mixed fibers; mixing the mixed fiber with epoxy resin, dicyandiamide, an organic urea accelerant and silicon dioxide to obtain a mixture; and performing compression molding on the mixture to obtain a sample. The sample prepared by the method can replace part of commercial fibers to prepare a reliable DMC material, and the used fibers can be recycled fiber bundles directly recycled by physical crushing, so that the raw materials are simple to obtain, the obtaining cost is low, and the raw material cost of DMC preparation is effectively reduced.

The invention relates to the technical field of polyimide resin, in particular to modified polyimide resin for a glass fiber composite material as well as a preparation method and application of the modified polyimide resin. The preparation raw materials comprise a dianhydride monomer, a diamine monomer, an end-capping reagent, a filler and a solvent. The binary anhydride monomer comprises BPDA and ODPA; the diamine monomer comprises TFDB and TPE-R. The invention also discloses a preparation method of the diamine monomer. A quaternary copolymerization system constructed by binary anhydride monomers (BPDA and ODPA) and diamine monomers (TFDB and TPE-R) can improve the heat resistance and mechanical properties of the prepared resin; the weight ratio of BPDA to ODPA is 4: (0.5-2), and the weight ratio of TFDB to TPE-R is 1: (3-5), so that the toughness of the prepared resin can be further improved, and the elongation of the resin is greater than or equal to 25%.

Fiber reinforced composite comprising polypropylene produced in the presence of a metallocene catalyst, a heterophasic propylene copolymer produced in the presence of a Ziegler-Natta catalyst and glass fibers.

The present invention provides a nano-aramid fiber membrane / glass fiber composite material, belonging to the technical field of filter materials. The composite material includes alternately arranged nano-aramid fiber membranes and glass fiber filter papers. The total number of layers of the nano-aramid fiber membranes is 1 to 5 layers. The upper and lower surfaces of the nano-aramid fiber membrane / glass fiber composite material are glass fiber filter papers; the nano-aramid fiber membranes and the glass fiber filter papers are bonded by a cationic glue. The present invention uses a nano-aramid fiber membrane and a glass fiber filter paper to form a composite material for use as a water filtration material. The upper and lower surfaces of the composite material are glass fiber filter papers, which play a supporting role and increase the dirt-holding capacity of the composite material, while the nano-aramid fiber membranes between the layers can improve the filtration accuracy of the composite material.

The application discloses a kind of preparation method of high-performance polyethylene / glass fiber composite material and application in modified polypropylene, belong to olefin polymerization and material modification technical field, the preparation method of the polyethylene-glass fiber composite material, including the following steps: glass fiber, toluene, diimine nickel catalyst, Et2 AlCl are added to reaction container in N2 Environment, fill in ethylene gas, carry out polymerization, obtain immediately.There is also proposed a kind of modified PP material, which is composed of the following weight parts of raw materials: polypropylene 65-100 parts, modified filler 5-30 parts and antioxidant 0.1-0.5 parts;Modified filler is the polyethylene-glass fiber composite material described above.A beneficial effect: the application provides a new polyolefin modified PP material and applies it to the preparation of composite material, improves its mechanical, mechanical properties.Based on the basis of modified PP material, polyethylene-glass fiber is used as filling material to prepare a new type of composite material with high elasticity, high strength and environmental protection.

The application provides a manufacturing method of a PDCPD resin-glass fiber composite material, which is made of a certain amount of DCPD raw material, glass fiber and various types of additives; wherein the DCPD raw material is composed of 90-95 parts of DCPD and 5-10 parts of TCPD, the glass fiber is glass fiber untwisted roving cloth, and the curing agent is composed of 3-9 parts of Grubbs second-generation catalyst, 90-95 parts of solvent and 0.4-0.6 parts of polymerization inhibitor and is used for controlling the forming speed of the composite material. Meanwhile, the glass fiber is added into the composite material system, so that the composite material has excellent mechanical properties, and the application of the polydicyclopentadiene composite material is expanded.

The glass fiber composite material of the present invention comprises: about 100 parts by weight of glass fibers; about 35 parts by weight to about 72 parts by weight of a polypropylene resin; about 12 parts by weight to about 35 parts by weight of piperazine pyrophosphate; about 1 part by weight to about 20 parts by weight of a phosphazene compound; and about 1 to about 20 parts by weight of zeolite. The glass fiber composite material is excellent in lightweight property, flame retardance, impact resistance and rigidity.

The invention discloses an energy storage battery bracket plate, which is integrally formed by using a glass fiber composite material, and is characterized in that the energy storage battery bracket plate comprises a first flange and a second flange which are the same, and the first flange and the second flange are connected through a web plate; cavities are formed in the web plate and the first flange, a plurality of rib plate supports are arranged in the web plate, and the glass fiber volume content of the energy storage battery bracket plate is 55%-60%. The invention further discloses a manufacturing method of the energy storage battery bracket plate. The bracket plate is made of glass fibers with the fiber volume content of 55%-60%, the composite bearing structure, the flanges, the web and the cavity structure are integrally formed, the battery load in the vertical direction is borne, the weight of the bracket plate is reduced, the energy density of an energy storage system is improved, corrosion resistance is improved, the bracket plate adapts to severe environments such as salt mist and damp and hot environments, and the heat conduction coefficient is reduced; thermal runaway spreading speed is slowed down, high mechanical property is guaranteed, and the structural bearing requirement of the battery pack is met.

The utility model relates to the field of composite material processing systems, and discloses a flame-retardant composite material processing system with low candlewick effect, which comprises a glass fiber amination modification unit, a DOPO-PH treatment unit, a pultrusion unit and a cutting unit which are sequentially arranged, the glass fiber amination modification unit comprises an amination modification pool, and the DOPO-PH treatment unit comprises a DOPO-PH pool. According to the utility model, amination modification and flame-retardant modification of glass fibers can be realized through the system, so that the flame retardance and mechanical property of a glass fiber composite material are ensured, and the problem of candlewick effect of the composite material is avoided or reduced.

The invention discloses a method for producing a high-performance glass fiber composite material, which comprises the following steps: a) preparing high-thermal-stability glass fiber which comprises the following components in parts by weight: 58-62 parts of SiO2, 22-26 parts of Al2O3, 8-12 parts of CaO, 3-5 parts of MgO and 2-4 parts of ZrO2, and carrying out melt spinning at 1350-1450 DEG C until the fiber diameter is 8-12 microns; b) surface modification: carrying out nitrogen plasma treatment, and depositing a gamma-aminopropyltriethoxysilane coating and 0.5-1.5 wt% of graphene oxide; c) preparing a modified polyimide resin matrix, and adding 2-5wt% of multi-walled carbon nanotubes and 1-3wt% of nano SiO2; and d) carrying out composite molding through a resin transfer molding process (the fiber volume fraction is 55-65%, the pressure is 0.8-1.2 MPa, and curing is carried out at 200-250 DEG C for 2-4 hours). The mass loss rate of the prepared material is as low as 3.2%, the tensile strength reaches 920 MPa, the fracture toughness is 17.0 MPa.m (1 / 2), and the material shows excellent thermal stability and mechanical properties and is suitable for the fields of aerospace and the like.

The invention provides a pressurizing mold for curing a composite material, a curing device and a method wherein the pressurizing mold for curing the composite material comprises an upper mold, a lower mold, a thermal expansion piece and a first pressurizing mechanism; the upper die is provided with a pressing plate, the lower die is provided with a containing groove used for containing composite materials, and the upper die can be opened and closed relative to the lower die. When the upper die is closed relative to the lower die, the upper die drives the pressing plate to abut against the composite material in the containing groove. When the upper die is opened relative to the lower die, the upper die drives the pressing plate to retreat from the accommodating groove; when the upper die is closed relative to the lower die, the first pressurizing mechanism is used for applying constant pre-pressure to the composite material through the pressing plate, and the thermal expansion piece is used for being heated to expand and applying gradually-increasing expansion pressure to the composite material. According to the technical scheme, gradually increasing pressure can be applied to a composite material in the curing process of the composite material, so that the curing requirement of the composite material such as a carbon fiber composite material or a glass fiber composite material is met.

The invention discloses a glass fiber composite material capable of being used for electrochemical recovery, the surface of a glass fiber material is coated with a metal coating, and the outer surface of the metal coating is coated with a conductive high-molecular polymer coating. The invention also discloses a preparation method of the glass fiber composite material for electrochemical recovery. The preparation method comprises the following steps: forming a metal coating on the surface of the glass fiber through a chemical plating method, and then forming a conductive high-molecular polymer coating on the surface of the metal coating through an impregnation method. According to the invention, the surface of the glass fiber is endowed with conductivity through modification treatment of the composite conductive coating. Firstly, a metal coating is formed on the surface of the glass fiber by adopting a chemical plating method so as to enhance the conductivity of a subsequent coating; a conductive high-molecular polymer coating is formed on the surface of a metal coating through an impregnation method, the conductive high-molecular polymer coating is used as a conductive main body to construct a continuous conductive network, and chemical oxidation treatment is performed on the coated polymer so as to enhance the surface activity and the interface strength of the polymer.