694 results about "Carbon chain" patented technology

The invention belongs to the technical field of perovskite solar cells, and provides a dibenzofuranyl carbazole derivative and a preparation method and application thereof.The dibenzofuranyl carbazole derivative takes dibenzofuranyl carbazole as a functional group, molecular ordered accumulation is optimized, and hole mobility is remarkably improved; an alkyl carbon chain is used as a linking group, a phosphate group at the tail end is an anchoring group, perovskite interface defects can be effectively passivated, the energy loss at the interface can be reduced, single molecule self-assembly can be realized, the cell performance can be improved, and as a self-assembly monomolecular layer hole transport material, a perovskite solar cell has relatively high photoelectric conversion efficiency, and the photoelectric conversion efficiency can be improved. The service life is long; and the stability is high.

The invention discloses an acid liquid system based on synergistic interaction of a corrosion inhibitor and an iron stabilizer and a preparation method, and relates to the technical field of oilfield chemistry, the acid liquid system comprises the following components by mass: 10%-20% of an acid liquid, 0.5%-3% of a composite corrosion inhibitor, 0.5%-2% of an iron stabilizer, 0.1%-0.5% of a discharge aiding agent, 0.2%-0.8% of an acid thickening agent, and the balance of water; the main component of the composite corrosion inhibitor in the acid liquid system is long-chain alkyl bis-imidazoline-thiadiazole amide hydroxypropyl sulfobetaine, and the composite corrosion inhibitor contains a bis-imidazoline ring and a thiadiazole amide ring, and can form more stable multi-active-site adsorption on the metal surface to form a compact and stable protective film, so that the metal surface corrosion resistance is improved, and the metal surface corrosion resistance is improved. Long carbon chains in molecules can effectively block corrosive media, N, O and S heteroatoms in the molecules are adsorbed on the iron surface through lone pair electrons to inhibit corrosion, the slow-release effect is further enhanced, and therefore the slow-release efficiency is improved by 40% or above.

The invention relates to an optical monomer and a preparation method and application thereof, the structural general formula of the optical monomer is shown as G1, G2, G3 and G4, R1 and R2 are respectively selected from one of H, C1-C10 alkyl and halogen, A1 is C1-C10 alkyl, R3 is hydrogen or methyl, and n is a positive integer selected from 1-10. The optical monomer provided by the invention has a (methyl) acrylate group with high refractive index and low volume shrinkage property, contains a plurality of aromatic rings with high molar refractive index and low molar volume, and also has sulfur atoms with relatively high molar refractive index, so that the whole molecule of the whole monomer has extremely high refractive index. The whole monomer structure in the invention has at least two functionalities, and can realize fast reaction; the monomer structure also contains more branched chains and carbon chains, and molecules are not easy to agglomerate and have a certain migration rate.

The invention discloses a building industry multi-subject collaborative full life cycle carbon emission management system and method, and relates to the technical field of building industry carbon emission management. The system comprises a carbon perception and data collaboration module, a carbon simulation and deduction module, a carbon optimization and collaborative regulation and control module, a carbon accounting and auditing traceability module and a carbon decision and knowledge generation module. Multi-source heterogeneous data is converted into a carbon flow unit with time, space and responsibility subject attributes, data checking, locking and compliance sharing are achieved by means of a multi-subject data collaboration pool, carbon data barriers among all responsibility subjects are broken through, the problems of fragmentization of carbon data collection and lack of collaboration are solved, and the data collection efficiency is improved. And meanwhile, the carbon accounting and audit traceability module completes multi-dimensional accounting based on the carbon flow unit, and establishes a digital carbon chain pointing to an original data source and a responsibility subject, so that full-link traceability of carbon emission data is realized.

The invention belongs to the field of heat conduction materials, and particularly relates to gradient interface modified aluminum oxide-aluminum nitride bi-component heat conduction filler and a preparation method thereof, and the gradient interface modified aluminum oxide-aluminum nitride bi-component heat conduction filler comprises spherical aluminum oxide, flaky aluminum nitride and double gradient modified layers coating the surfaces of the spherical aluminum oxide and the flaky aluminum nitride; the D50 of the spherical aluminum oxide is 2-5 microns, and the sphericity is greater than or equal to 0.85; the sheet-shaped aluminum nitride is in a hexagonal sheet shape, the average particle size is 8-12 microns, the thickness is 200-500 nanometers, and the radius-thickness ratio is 20-50; the mass ratio of the spherical aluminum oxide to the flaky aluminum nitride is (40-70): (30-60); the double-layer gradient modification layer comprises an inner-layer hydrophobic silane layer and an outer-layer reactive silane layer, the inner-layer hydrophobic silane layer is formed by grafting alkyl trialkoxy silane with the carbon chain length of 8-16, the outer-layer reactive silane layer is formed by grafting a silane coupling agent containing an epoxy group or an amino group, and morphological complementary optimization of a filler network is achieved.

The invention relates to the field of water treatment, in particular to a composite material with polyfunctional groups and a preparation method and application thereof.The composite material with the polyfunctional groups contains at least two groups including carboxyl, amino, amido and hydroxyl and at least one group including sulfo and nitro; the composite material contains a cross-linked compound of a polymer I and a polymer II, and the polymer I is a carbon chain polymer and contains at least one group including a sulfonic acid group and a nitro group; and the polymer II is at least one of chitosan and a derivative thereof, and chitin and a derivative thereof. The composite material with multiple functional groups is preferably a composite fiber, has a synergistic adsorption effect of multiple functional groups, can effectively adsorb a complex heavy metal ion system in a water body, and is a heavy metal ion adsorbent which is high in adsorption efficiency, large in adsorption quantity and wide in applicable temperature range.

The invention provides a polyamide hot melt adhesive containing dynamic reversible covalent bonds and a preparation method thereof, and belongs to the field of high polymer materials. Caprolactam and nylon 66 salt are used as raw materials, a furan ring and a carbon chain with a specific length are introduced, and the polyamide hot melt adhesive containing the dynamic reversible covalent bond is obtained through polymerization with maleimide and a derivative thereof. The melting point of the polymer can be regulated and controlled by regulating and controlling the carbon chain length of aliphatic diamine introduced into the xF salt, a furan ring in the xF salt is subjected to DA addition reaction with maleimide and a derivative thereof, dynamic reversible sites are provided, crosslinking between molecular chains is formed, a net system is formed, and the bonding strength of the material can be greatly improved. By adjusting the ratio of the xF salt to the maleimide and the derivative thereof, the reversible crosslinking behavior of the polymer can be adjusted, and finally the hot melt adhesive which has a lower melting point and excellent bonding strength and can be repeatedly used and recycled is obtained.

A conductive epoxy composition is disclosed comprising an epoxy resin, a low-viscosity hydrocarbon diluent, silver, and graphene. The one-part formulation provides enhanced electrical conductivity, mechanical strength, and process stability. The epoxy resin may include resorcinol diglycidyl ether, diglycidyl ether of Bisphenol A, or Bisphenol F. The hydrocarbon diluent may include glycidyl-ether-family resins having defined carbon-chain characteristics and molecular weights. Silver may be present in particulate, flake, nanoparticle, or coated forms at about 55-90 wt. %, while graphene may be present at 0.03-0.3 wt. % with dimensions of 1-10 μm and surface areas of 400-2,000 m2 / g. Optional additives include solvents, ionic liquids, latent curing agents, and strength enhancers to optimize curing and adhesion.

The invention relates to the technical field of polyurethane, and discloses an elastic waterproof biomimetic membrane as well as a preparation method and application thereof. Polylactic acid dihydric alcohol, an isocyanate monomer, a chain extender and cardanol siloxane-based cellulose are subjected to a polymerization chain extension reaction, and the elastic waterproof biomimetic membrane is obtained. The nano cellulose containing a benzene ring structure, a cardanol flexible long carbon chain and a siloxane structure are introduced into polyurethane, so that the tensile strength and the elongation at break of a polyurethane film are improved. Meanwhile, the hydrophilicity of cellulose is reduced, the water contact angle of the polyurethane film is increased, the waterproof performance is enhanced, and the good practical application is achieved in the waterproof finishing aspect of fabric such as bionic waterproof and moisture permeable films and outdoor jackets.

The invention belongs to the technical field of biomedical functional dyes and probes, and relates to a fluorescent probe, in particular to a cyclodextrin-based near-infrared fluorescent probe, which is a conjugate formed by coating a fluorescent molecule with cyclodextrin. According to the near-infrared fluorescent probe disclosed by the invention, cyclodextrin is nested on a carbon chain of a fluorescent molecule, so that the water solubility, histocompatibility and safety are improved, the fluorescence lifetime is prolonged, the light stability is improved, and rapid transmission and response of ureters, lymphatic vessels and lymph nodes in vivo are realized; the method can be used for NIR-I and NIR-II imaging; a near-infrared fluorescence probe with targeting property can be formed by marking various tumor targeting molecules, so that accurate targeting fluorescence imaging of different types of tumors such as urogenital tumors, head and neck cancers, breast cancers and cervical cancers and metastatic lymph nodes in NIR-I and NIR-II windows is realized, and the near-infrared fluorescence probe can be applied to fluorescence imaging navigation in clinical operations.

Novel compositions are described, each comprising at least one active constituent that has a 12-carbon atom backbone as a 12-carbon chain base structure having at least a sub-terminal nitrogen and no terminal amino group. One of the active constituents is Boc-12-Ado-OH (BOA) and / or N,N-dimethyldodecylamine N-oxide (LO). Novel particle or liposomal compositions comprising at least BOA and / or LO may be prepared with an emulsifier and / or lipid and optionally a biopolymer, and may be formulated into pharmaceutically acceptable formulations and / or medicaments with or without one or more pharmaceutically acceptable carriers or excipients for utilization as an antimicrobial against one or more microbial pathogens. The novel antimicrobial compositions have broad-spectrum growth inhibitory or other destructive activity against microbial pathogens, biofilms produced by one or more pathogens, and biofilm infections.

A fatty acid ester of cannabinoid, wherein the fatty acid is an unsaturated acid, with an ester linkage consisting of an aryloxy oxygen directly bonded to an aromatic ring of the cannabinoid and a carbonyl group attached to the fatty acid unsaturated carbon chain.

The invention discloses a modified acidic resin catalyst and a preparation method thereof, and a method for continuously producing OTBP and 2, 4-DTBP. The method comprises the following steps: taking phenol and isobutene as raw materials, under the catalysis of a modified acidic resin catalyst, specially designing a reactor into a two-section type, and reacting at a certain pressure and temperature. The modified acidic ion exchange resin catalyst is finally prepared by introducing a carbon chain of a sulfonic acid group to a benzene ring, introducing a macroporous nano material for chambering and changing an internal matrix channel structure, and then carrying out acidic and steam modification, so that the selectivity of the catalyst to target products OTBP and 2, 4-DTBP is greatly improved.

The invention provides a POE (Polyolefin Elastomer) packaging adhesive film as well as a preparation method and application thereof. Raw materials of the POE packaging adhesive film comprise polyolefin resin and an auxiliary agent, the polyolefin resin comprises modified polyolefin resin and optional first unmodified polyolefin resin, and raw materials of the modified polyolefin resin comprise second unmodified polyolefin resin, an active monomer and an initiator. By controlling the number of carbon atoms of a side carbon chain of the modified polyolefin resin and the range of surface energy, the polarity of the resin is improved, and the compatibility of the polyolefin resin and an auxiliary agent in the POE packaging adhesive film is improved, so that the adsorption effect of the resin on the auxiliary agent is improved, the auxiliary agent can be uniformly distributed in the packaging adhesive film, and the service life of the POE packaging adhesive film is prolonged. Therefore, the migration degree of the auxiliaries in the storage and use processes of the POE packaging adhesive film can be reduced, the problems of bubbles, delamination and the like of the POE packaging adhesive film in the packaging and laminating processes are effectively avoided, and the quality of the packaging adhesive film is improved.

This invention relates to a polyamide composite material, its preparation method, and its applications. The polyamide composite material comprises the following components by weight: 55-75 parts polyamide resin, 15-35 parts glass fiber, 7-17 parts halogen-free flame retardant, 0.1-1 parts nucleating agent, 0.1-0.7 parts colorant, and 0.1-0.6 parts lubricant. The nucleating agent comprises a linear saturated sodium carboxylate with a carbon chain length of C28-C32. The polyamide composite material provided by this invention exhibits high blackness, enables high-contrast ultraviolet laser marking, and possesses excellent mechanical and flame-retardant properties, making it suitable for ultraviolet laser marking in the electronics and electrical appliance fields.

The utility model relates to a recovery device for improving the recovery value of EVA (Ethylene Vinyl Acetate) in a waste photovoltaic module, which effectively solves the problems that the existing waste photovoltaic module recovery system lacks effective utilization of tar and does not realize higher resource recovery economic value. According to the recovery device for improving the EVA recovery value in the waste photovoltaic module, macromolecular long-carbon-chain alkane or olefin generated by EVA pyrolysis can be catalytically cracked into short-carbon-chain molecules, high-value gasoline or kerosene is generated after cooling, and the economic value of EVA recovery is improved; meanwhile, catalytic cracking and pyrolysis are combined, high-temperature tar molecules generated by pyrolysis can be directly subjected to catalytic cracking, so that energy consumption required by catalytic cracking can be reduced, gas generated by pyrolysis and catalytic cracking enters a combustion furnace after being cooled, energy for maintaining the system is provided, the utilization value is improved, and the energy consumption is reduced. Therefore, high-value recycling of the waste EVA is achieved, resource waste is avoided, and development of the waste photovoltaic module recycling industry is promoted.

This invention relates to a mixed amine carbon capture absorbent for carbon dioxide capture. The mixed amine carbon capture absorbent comprises, by mass percentage: 10-30% main absorbent, 2-15% co-absorbent, 0-5% additive, and the balance being water. The main absorbent comprises a polyamine and / or a sterically hindered amine. The polyamine has 2-4 amino groups. The amino groups of the polyamine include any one or a combination of at least two of primary, secondary, and tertiary amino groups. A carbon chain exists between the amino sites of the polyamine. The carbon chain has ≥2 carbon atoms. The co-absorbent comprises a cyclic amine with side chains. The mixed amine carbon capture absorbent of this invention has advantages such as high CO2 loading capacity, high absorption rate, and low regeneration energy consumption. It can achieve efficient and low-energy capture of CO2 from mixed gases and has good application prospects.

The application relates to the technical field of finishing agents, and discloses a water-based fluorine-free low-temperature water-repellent finishing agent and a preparation method and application thereof. 2,2-dimethylol propionic acid alkyl ester and methyl phenyl dichlorosilane are reacted to obtain an alkyl ester siloxane copolymer, which is then stirred and dispersed with water and an emulsifier to obtain the water-based fluorine-free low-temperature water-repellent finishing agent. The main chain of the water-based fluorine-free low-temperature water-repellent finishing agent is a hydrophobic phenyl polysiloxane molecular chain, and the side chain contains hydrophobic ester groups and long carbon chains. After finishing of terylene fabric, water molecules can be prevented from contacting the terylene surface, and the hydrophobic and water-repellent performance of the terylene fabric is significantly improved. Moreover, a high water contact angle can be maintained after multiple washes.

The present invention relates to detergents and cleaning compositions comprising a degreasing agent, an effective amount of a specific type of degreasing enhancer, such as an alkanediol having a carbon chain of 5 to 14 carbon atoms, glyceryl caprylate, 4-hydroxyacetophenone, ethylhexylglycerin, tropolone, or a mixture of the aforementioned degreasing enhancers, and a surfactant, as well as the use of the aforementioned detergents and cleaning compositions for preparing detergents and cleaning products for household, institutional and industrial applications. Furthermore, the present invention relates to methods for treating stained and / or soiled substrates using the detergents and cleaning compositions according to the present invention. In addition, the present invention relates to the use of specific enhancing substances, as defined herein, for enhancing the degreasing power of degreasing detergents and cleaning compositions and for improving the cleaning performance of degreasing detergents and cleaning compositions. Furthermore, the present invention relates to a method for enhancing the degreasing power of degreasing detergents and cleaning compositions and improving the cleaning performance of degreasing detergents and cleaning compositions by adding an effective amount of a specific degreasing enhancer, for example, an alkanediol having a carbon chain of 5 to 14 carbon atoms, glyceryl caprylate, 4-hydroxyacetophenone, ethylhexylglycerin, tropolone, or a mixture of the aforementioned degreasing enhancers, to the aforementioned detergents and cleaning compositions. Finally, the present invention relates to the use of at least one degreasing enhancer, for example, an alkanediol as defined herein, glyceryl caprylate, 4-hydroxyacetophenone, ethylhexylglycerin, tropolone, or a mixture of the aforementioned degreasing enhancers as defined herein, as a substitute for a degreasing agent and / or a solubilizer.

Various embodiments provide methods for removing concentrations of PFAS from a contaminated stream of water or leachate. In a primary pretreatment stage, the incoming contaminated water is mixed with a hydrophobically associative gelling aid to generate an electroactive microgel with PFAS. In a secondary electrochemical oxidation stage, the electro-active microgel is reacted to reduce the PFAS carbon chain length. In a tertiary electrochemical coagulation stage, microhydrogels are generated which adsorb the degraded PFAS molecules and form microflocs. Lastly nanoparticles are added to the micro hydroflocs to aggregate the micro hydroflocs into macroflocs for easy flotation and removal.

The present application provides a kind of high-speed printing UV ink, including photo-curable monomer, photo-initiator and resin, photo-curable monomer includes first photo-curable monomer and second photo-curable monomer, first photo-curable monomer is siloxane modified acrylate, the Tg of second photo-curable monomer is less than 0 DEG C, carbon chain length is greater than or equal to 5, the ratio of first photo-curable monomer and second photo-curable monomer is 3:7~5:8. The printing product obtained by printing using the ink of the present application has good curing effect and can be completely cured, and there is no color stacking behavior when rubbing.

The invention discloses a method for continuously preparing a long-carbon-chain nylon intermediate, a preparation system and application thereof. The continuous preparation method comprises the following steps: in a protective atmosphere, conveying raw materials for preparing the long-carbon-chain nylon intermediate into a melting device for melting, then continuously conveying the melted materials into a first polymerization device for primary polymerization reaction, and then conveying the materials into a second polymerization device for secondary polymerization reaction to obtain the long-carbon-chain nylon intermediate. According to the method and the device for continuously preparing the long carbon chain nylon intermediate, the problem that an existing method cannot realize continuous production is solved in a targeted manner, the method can be used for guiding and extremely easily realizing industrial continuous production, and the method not only realizes continuous production of the long carbon chain nylon intermediate, but also is simple to operate and low in cost. The prepared long-carbon-chain nylon intermediate is narrow in molecular weight distribution, so that a long-carbon-chain nylon product with narrow molecular weight distribution can be subsequently prepared, and the product quality is improved.

This invention provides a side-chain quinine polymer, its preparation method, and its application in the preparation of anion exchange membranes, belonging to the fields of fuel cells and water electrolysis for hydrogen production. First, an aromatic monomer, a functional monomer, and a quinine monomer are synthesized into a quinine polymer with good alkali resistance via a superacid-catalyzed condensation reaction. Second, a side-chain quinine polymer is prepared based on the synthesized quinine polymer. Finally, the side-chain quinine polymer is used as the main chain polymer for casting, and a high-performance all-carbon chain anion exchange membrane is obtained through side-chain grafting modification. The alkaline anion exchange membrane prepared by this invention exhibits excellent chemical stability, ionic conductivity, and mechanical properties, demonstrating superior overall performance. It can be applied in alkaline fuel cells, water electrolysis, energy storage batteries, carbon dioxide conversion, electrodialysis, and other electrochemical device fields.

The embodiment of the invention discloses an adhesive and a preparation method thereof, a negative pole piece and a sodium ion battery, the structural formula of the adhesive is shown in the specification, R1 is a monovalent cation, R2 is an alkyl group with a carbon atom number of 1-6, R3 is an alkyl group or alkoxy group with a carbon atom number of 1-5, and n is 3-5. By introducing a long carbon chain into a polyacrylic acid main chain, the glass transition temperature of the polyacrylic acid can be reduced, the flexibility of the polyacrylic acid can be improved, and when the polyacrylic acid is applied to a negative pole piece, the flexibility of the negative pole piece can be improved.

The utility model relates to the technical field of nylon polymerization slice drying, in particular to a drying device for long-carbon-chain nylon polymerization slice production, which comprises a base, the top surface of the base is fixedly connected with a base of a baking device, the surface of the baking device is fixed inside a drying box, and the inside of the drying box is rotatably connected with a storage roller. A door leaf is arranged on the surface of the storage roller; the drying device for long carbon chain nylon polymerization slice production has the advantages that materials can be added inwards by opening the door leaf on the surface of the storage roller, then the baking device is fixedly connected into the drying box, hot air is conveyed into the drying box when the baking device is started, and the drying box can be used for drying the long carbon chain nylon polymerization slices. When the storage roller rotates in the drying box, materials in the storage roller can be dried through hot air in the drying box, and after the materials in the storage roller are dried, a door leaf on the surface of the storage roller is opened to discharge the materials.

The invention discloses a sodium alginate-quaternary ammonium salt cationic surfactant pesticide adjuvant as well as a preparation method and application thereof, and belongs to the technical field of pesticide adjuvants. The invention discloses a sodium alginate-quaternary ammonium salt cationic surface active agent pesticide adjuvant. The sodium alginate-quaternary ammonium salt cationic surface active agent pesticide adjuvant is prepared from sodium alginate and a quaternary ammonium salt cationic surface active agent. The quaternary ammonium salt cationic surface active agent and the sodium alginate can form the pesticide adjuvant with uniform size through simple electrostatic attraction and hydrophobic interaction between surface active agent carbon chains. Tebuconazole added with the pesticide adjuvant has a certain synergistic effect on the antibacterial activity of alternaria alternata, fusarium oxysporum and botrytis cinerea. And the auxiliary agent is non-toxic to the germination of plants, and accords with the development trend of green pesticides.

The invention discloses a high-epoxy-adhesion long-carbon-chain nylon composition as well as a preparation method and application thereof. The high-epoxy-adhesion long-carbon-chain nylon composition is prepared from the following components in parts by weight: 79-94 parts of long-carbon-chain nylon, 5-20 parts of a toughening agent, 0.2-2 parts of an antioxidant, 0.1-0.5 part of a synergistic stabilizer, 0-1 part of a light stabilizer and 0-2 parts of color master batch, according to the invention, long carbon chain nylon is compounded with the active group grafted polyolefin elastomer flexibilizer to synergistically improve the toughness of the material and the adhesive force to a prime coat material containing an epoxy component, the active group grafted flexibilizer greatly improves the toughness of a nylon matrix, and the functional group of the active group grafted flexibilizer is used as a chemical anchor point; firm covalent bond combination is formed with the epoxy prime coat, so that high adhesion and high impact strength which are difficult to consider by a traditional material are realized; the catalytic degradation risk of metal ions on amido bonds is reduced through the synergistic stabilizer, long-term stability of the performance of the composition is guaranteed, and the application requirement of coating resin on the surface of the Bundy tube is met.

The application belongs to the technical field of batteries, and particularly relates to a flexible solid electrolyte and a preparation method thereof, and a secondary battery. The preparation method of the flexible solid electrolyte comprises the following steps: mixing and processing a polymer monomer, semiconductor nanoparticles, ion conductor nanoparticles, an alkali metal salt and a polymer initiator to obtain a precursor slurry; the polymer monomer is selected from monomers containing a polar group and a single-end unsaturated bond; and the precursor slurry is subjected to polymerization processing to obtain a molded flexible solid electrolyte. The preparation method of the flexible solid electrolyte of the application obtains a long-chain comb-shaped polymer with a linear carbon chain formed by unsaturated bond addition polymerization as a main chain and a monomer containing a polar group as a branch chain, and the long-chain comb-shaped polymer has excellent flexibility, elasticity, ion conductivity, voltage resistance and pyrolysis temperature and other characteristics.

This invention provides a modified lignin and its preparation method, a rubber composite material and its preparation method, and its applications, relating to the field of rubber materials technology. This invention employs sulfur and oil to synergistically surface-functionalize lignin, significantly enhancing its interfacial compatibility with the rubber matrix. Furthermore, the modified lignin, rich in long carbon chains, can form physical entanglements with rubber, and is also rich in polysulfide bonds, enabling chemical cross-linking with rubber at high temperatures to form a stable three-dimensional network structure, effectively improving the mechanical properties of the rubber material. The modified lignin prepared by this invention can replace 10-50% of carbon black and 10-50% of rubber without reducing rubber performance; it also imparts additional functions such as UV resistance and anti-aging properties to rubber materials. The multi-purpose nature of this modified lignin makes it widely applicable in the field of rubber material preparation.

The invention relates to graphene for preparing conductivity-enhanced long carbon chain nylon and a preparation method thereof, and is characterized in that graphite is used as an anode, a platinum sheet is used as a cathode, a eutectic solvent is used as an electrolyte, a stripping process is triggered by applying a dynamic voltage, few-layer graphene is successfully prepared, and the yield is up to 85%. And carrying out suction filtration, collection and drying on the stripped sample to obtain the graphene filler. Graphene is prepared by using a dynamic potential regulation and control technology, the method is efficient and environment-friendly, the obtained graphene filler has good compatibility with nylon and glass fibers, and the graphene reinforced nylon composite material with high conductivity, low hygroscopicity and excellent mechanical properties is developed.