4597 results about "Firming agent" patented technology

The invention features a method of administering a skin benefit agent to an expanse of skin, wherein the method includes: (a) contacting the expanse of skin with an apparatus, the apparatus including: (i) a skin-contactable element having a skin-contactable surface; (ii) a motor; and (iii) a transfer member for transferring mechanical energy from the motor to the skin-contactable element in order to provide periodic motion to the skin-contactable surface; and (b) after contacting the expanse of skin with the apparatus has ceased, further contacting the expanse of skin with a benefit agent, wherein the benefit agent is selected from the group consisting of retinoids, copper moieties, skin-firming agents, depigmentation agents, and combinations thereof.

Epoxy resin compositions are disclosed which comprise (A) at least one silicone epoxy resin, (B) at least one hydroxyl-containing compound, (C) at least one anhydride curing agent, (D) at least one ancillary curing catalyst, and optionally at least one of thermal stabilizers, UV stabilizers, cure modifiers, coupling agents, or refractive index modifiers. Also disclosed are packaged solid state devices comprising a package, a chip (4), and an encapsulant (11) comprising an epoxy resin composition of the invention. A method of encapsulating a solid state device is also provided.

Solid proppants are coated with a coating that exhibits the handling characteristics of a pre-cured coating while also exhibiting the ability to form particle-to-particle bonds at the elevated temperatures and pressures within a wellbore. The coating includes a substantially homogeneous mixture of (i) at least one isocyanate component having at least 2 isocyanate groups, and (ii) a curing agent comprising a monofunctional alcohol, amine or amide. The coating process can be performed with short cycle times, e.g., less than about 4 minutes, and still produce a dry, free-flowing, coated proppant that exhibits low dust characteristics during pneumatic handling but also proppant consolidation downhole for reduced washout and good conductivity. Such proppants also form good unconfined compressive strength without use of an bond activator, are substantially unaffected in bond formation characteristics under downhole conditions despite prior heat exposure, and are resistant to leaching with hot water.

The present invention is directed to an adhesive composition, which comprises an epoxy resin, a coupling agent, filler, and an effective amount of an amine-curing agent or curative for said epoxy resin. Advantageously, tri-functional and/or tetrafunctional epoxy resins and/or acrylate monomers will be incorporated into the adhesive composition in order to reduce open time and enhance substrate adhesion. Advantageously, a mixture of amines will be used in the curative including aliphatic amines, which have low viscosities and efficiently wet the substrate for enhancing adhesion; polyamines, which can be used to manipulate open time and allow for improved ratio tolerance of the adhesive system; and amine-terminated rubbers (ATBN), which can improve impact resistance and the toughness of the cured adhesive. Preferred coupling agents are silanes.

The invention relates to a fireproof and flame retardant mineral compound filling material for cables. The filling material comprises a silicon-containing binder; an inorganic flame retardant compound; and a mineral compound. The filling material also can include a silicate modifier, a silicate curing agent and a pigment. Being free of any flammable substance, the fireproof and flame-retardant mineral compound filling material provided in the invention has an excellent fireproof effect, can lose moisture and absorb a lot of heat so as to achieve the flame retardant effect. With good flexibility, the fireproof and flame retardant mineral compound filling material has no hazard to the nature after it is abandoned.

The invention provides an environment-friendly silt curing agent, which is manufactured through the following steps: one or two among fly ash, calcium sulfate, sodium sulfate, sodium carbonate and potassium carbonate, one or two among slag, slag combination, potassium hydroxide, calcium oxide, sodium silicate or silicon dioxide, one or two among carbide slag, lime or gypsum, as well as one or two among triethanol amine surfactant, calcium lignosulfonate or sodium lignosulfonate form a plurality of optimal compound formulations according to respective attributes, are optimized, compounded, ground till the Brinell specific surface areas are between 300 and 900 m2/kg respectively and then mixed, wherein particle sizes are between 0.00040 and 0.5 mm. As a large amount of waste is utilized, the curing agent saves raw materials, solves the problems about waste discharge and environmental pollution, controls waste through waste, and has important significance to environmental protection. The invention aims to provide the environment-friendly silt curing agent which has strong adaptability to a plurality of types of silt and soil, is good in curing effect, good in durability after curing and capable of utilizing industrial waste, and can be widely applied to fill engineering, embanking or embankment reinforcement engineering, road engineering and other fields.

An epoxy resin composition having a curing component and an epoxy component is disclosed. The curing component includes an amount of about 8% to about 70% by weight of the composition of a primary curing agent and about 0.001% to about 5% by weight of the composition of a secondary curing agent. The epoxy composition also includes about 30% to about 92% by weight of the composition of the epoxy component. A number of equivalents of reactive curative groups in the curing component is from about 0.50 to 0.98 times the number of epoxide equivalents present in the epoxy component. An epoxy product formed from the epoxy resin composition is also disclosed.

The invention belongs to the field of construction materials, and particularly relates to a high-permeability polyurethane graft-modified epoxy resin interpenetrating-network polymer grouting material which is composed of a component A and a component B, wherein the component A is composed of 5-30 parts of isocyanate-terminated polyurethane prepolymer, 95-70 parts of epoxy resin and 10-30 parts of diluter I, and the polyurethane and epoxy resin form a grafted interpenetrating network structure; the component B is composed of 40-60 parts of curing agent, 10-30 parts of diluter II, 0.5-2 parts of accelerator and 0.5-2 parts of defoaming agent; and when in use, the components A and B can be evenly mixed to obtain the grouting material. The interpenetrating network grouting material provided by the invention integrates the advantages of the polyurethane and epoxy resin, has the characteristics of high adhesive strength, moderate toughness, high stability, low viscosity, favorable groutability and excellent cost performance, and can be widely used in seepage prevention, leakage stoppage, reinforcement and strengthening of construction, maintenance and other projects of tunnels, hydropower, rock soil slopes, foundation treatment, ground settlement, railways and highways.

The invention provides a novel method for preparing a latent nonionic self-emulsifying epoxy curing agent. The method comprises the following steps of: reacting long alkyl chain fatty amine with diglycidyl ether to prepare an addition product of which the middle part is connected with a long hydrophobic side chain and two ends are provided with epoxy groups; and reacting polyamine with a carbonyl compound to prepare an imine compound which contains secondary amine, and sealing the end to prepare the latent nonionic self-emulsifying epoxy curing agent. Under water environment, the imine structure in the curing agent hydrolyzes hydrophilic amino, and the curing agent contains the long hydrophobic alkyl chain, so the curing agent has the functions of emulsifying and curing an epoxy resin. The curing agent can be used for water-based epoxy emulsion coatings, water-based epoxy resin modified emulsified asphalt and cement and the like, and has excellent adhesion performance of ketimine on a wet surface. Due to the introduction of hydrophobic chains, the stability of the imine curing agent is improved in the water environment, and the performance of the curing agent in the aspect of wet surface or underwater adhesion can also be improved.

The invention discloses a heavy metal-contaminated soil solidifying agent and an application method thereof. The solidifying agent comprises the following components by mass: on the basis of the dry weight of heavy metal-contaminated soil, 10 to 15% of a binding material, 5% of biochar, 10% of vegetable fiber and 1% of a stabilizing agent. The components are added according a sequence of the stabilizing agent-the biochar-the vegetable fiber-the binding material. Addition of the chemical stabilizing agent and the biochar in the process of stabilization enables heavy metals to be absorbed and passivated and to lose mobility; preparation of heavy metal-contaminated soil slurry provides conditions for a later chemical reaction; the whole processing process is free of dust pollution and discharging of unwanted sewage. Addition of the vegetable fiber enables cracking of heavy metal-contaminated soil solidified by using a conventional solidifying agent to be effectively prevented and endurance of a solidified body to be improved. The method provided by the invention has the advantages of strong operability, low cost, extensive applicability, a high resource utilization rate, low environmental risk and easy large-scale popularization.

The invention discloses a conductive coating and the preparation method thereof and a method for forming film on material surface. The preparation method comprises the following steps: wetting and dispersing metal powder; uniformly mixing film-forming resin, chloride-vinyl acetate resin and conductive coating additive, adding diluting agent, stirring at high speed, dispersing to form a conductive paint base material, adding into the wetted and dispersed metal powder, and uniformly stirring; and sieving, removing impurities to obtain conductive coating, adding curing agent, and spraying or applying on material. The conductive coating has the advantages of smooth surface and high adhesion of film-forming substance, and good conductivity, and can be adhered on the surface of any materials.

The invention discloses a latent curing single-component polyurethane water-proof coating and a preparation method thereof. The latent curing single-component polyurethane water-proof coating consists of the following components in parts by weight: 30-50 parts of diisocyanate, 150-190 parts of polyether polyol, 140-170 parts of chlorinated paraffin, 400-500 parts of a filler, 0.3-0.5 parts of a silane coupling agent, 8-15 parts of a latent curing agent, 0.8-1.1 parts of a catalyst and 120-165 parts of a diluting agent. The latent curing single-component polyurethane water-proof coating plays a role solving the problems of easiness in foaming in a crosslinking process and swelling and bubbling in a storing process existing in the conventional single-component moisture curing polyurethane water-proof coating, can be used for reducing the specific weight of polyurethane in the waterproof coating for reducing the cost, and has high mechanical property and low-temperature flexibility.

The invention discloses a nonionic self-emulsifying waterborne epoxy curing agent and a preparation method thereof. The curing agent is prepared from the following raw materials in percentage by weight: 8-30% of basic amine, 5-25% of epoxy-terminated polyether, 7-25% of polyether amine, 5-10% of epoxy resin, 5-15% of a mono-epoxy compound, 0.5-3% of a silane coupling agent and 30-60% of water. The preparation method comprises the following steps: (1) conducting chain extension and partial blocking on basic amine to obtain a pre-polymer A; (2) conducting partial blocking on polyether amine to obtain a pre-polymer B; (3) combining the pre-polymer A and the pre-polymer B with the chain segment of epoxy resin, and carrying out blocking to obtain the curing agent. The curing agent can be cured with liquid epoxy resin or an epoxy resin dispersion for film forming, and the obtained film is excellent in flexibility, adhesive force, impact resistance and chemical reagent resistance; the curing agent is synthesized at relatively low temperature, and no solvent or catalyst needs to be added, so that safety and environmental protection are ensured, and the controllability is strong.

The invention relates to a high performance super-amphiphobic conductive multi-functional corrosion-resistant coating, which is characterized by comprising a bottom layer component and a surface layer component, wherein the bottom layer component is epoxy resins, epoxy curing agents, organic fluorines, polyaniline/carbon nanofibers composite materials, the surface layer component is organic fluorines, low surface energy modified nanofillers and fluorine silane coupling agents. The high performance super-amphiphobic conductive multi-functional corrosion-resistant coating can have the advantages of superamphiphobic, drag reduction, abrasion resistance and pit corrosion resistance, and is low in cost. The invention further provides a method for preparing the high performance super-amphiphobic conductive multi-functional corrosion-resistant coating.

The invention discloses a fast curing epoxy resin system for blades of a wind driven generator and a preparation method thereof. The fast curing epoxy resin system comprises a resin part and a curing agent part. The fast curing epoxy resin system is characterized in that the curing agent part includes a high-activity aliphatic amine curing agent, a high-activity aliphatic cyclic amine curing agent and a curing accelerating agent, and the proportion of the high-activity aliphatic amine curing agent to the high-activity aliphatic cyclic amine curing agent to the curing accelerating agent is (40-80): (10-50): (5-25) (in parts by weight). The fast curing epoxy resin system is formed by mixing the resin part with the curing agent part according to the proportion of 100: (20-40) in parts by weight. The invention greatly shortens the gel time under the condition of meeting the requirements for performance needed by the blades of the wind driven generator by adopting a method using the high-performance and high-activity amine curing agents and the curing accelerating agent in a mixing way; and the gel time of 100g of the fast curing epoxy resin system at a temperature of 23 DEG C is 10-60 minutes, thereby meeting the requirements for the application of the fast curing epoxy resin system for the blades of the wind driven generator of above a megawatt grade.

The invention discloses liquid photosensitive imaging alkali developing electric resistance welding ink and production method. The ink comprises alkali solulbility photosensitive resin 30-50 %, heat-proof novolac epoxy 5-20 %, firming agent 0.3-1.2 %, firming accelerant 0.1-0.3 %, active diluent 5-15 %, solvent 5-15 %, photo-initiation agent 3-9 %, auxiliary agent 1-3 %, pigment 0.5-0.8 %, brasque 15-30 %; When it is produced, the alkali solulbility photosensitive resin is weighted by mass percent and dispersed evenly by dispersion machine, it is abraded to that fineness is smaller than 15 mum, the viscosity is adjusted by solvent to 50-80ps(25DEG C), the liquid photosensitive imaging alkali developing electric resistance welding ink in the invention is obtained. The operational charactisteric of the invention is simple, development is quick, and the ink also possesses characteristics that heat-proof quality is good; construction is convenient, adhesive force achieves first class; solidness is bigger than 4H.

The invention discloses a chromium-free self-lubricating passivation solution and a preparation method thereof. The chromium-free self-lubricating passivation solution is formed by compounding the following compositions in percentage by weight: 8%-12% of water-borne epoxy resin, 0.5%-1% of curing agent, 10%-15% of silane coupling agent, 0.5%-1% of inorganic component, 2%-4% of solid lubricant, 1%-2% of friction modifier, 0.5%-1% of anti-wear agent, 0.5%-1% of anti-sinking agent, and 60%-75% of diluting agent. The inorganic component is one or a combination of Ce(NO3)3 and sodium molybdate, the solid lubricant is one or a combination of two or more of polytetrafluoroethylene, polyethylene wax, polyethylene, molybdenum disulfide and graphite, the friction modifier is self-synthesized molybdenum dialkyldithiophosphate, the anti-wear agent is one or a combination of nanosilicon dioxide and nano aluminum oxide, the anti-sinking agent is attapulgite, and the diluting agent is a mixture of water and ethanol. A plate product coated with passivation solution has the advantages of being pollution-free, low-friction, anti-oxidized, anti-wear and extreme pressure-resistant, corrosion-resistant, finger-resistant, having good mechanical performance and the like, and the passivation solution can be directly coated on the surfaces of a zinc-plated plate and parts of certain mechanical equipment for use.

The invention discloses a preparation method and application of an intelligent anti-corrosion coating capable of being automatically repaired, and belongs to the field of metal corrosion prevention. The method comprises: firstly, preparing silicon dioxide mesoporous microspheres as nano containers; secondly, adsorbing L-histidine as a corrosion inhibitor into the silicon dioxide mesoporous microspheres; and finally, doping the silicon dioxide mesoporous microspheres adsorbing the inhibitor L-histidine into a mixture of epoxy resin and an epoxy curing agent, and coating a metal surface with the mixture to form an anti-corrosion coating. Stimulated by external acid or alkali, the corrosion inhibitor, namely L-histidine molecules, is quickly released from the silicon dioxide mesoporous microspheres and enters the coating, thereby effectively inhibiting corrosion. The silicon oxide mesoporous microspheres are used as the nano containers to pack the corrosion inhibitor, and are then added to the coating; in this way, the problem of compatibility of the corrosion inhibitor and the coating is solved, and uniform dispersion of the corrosion inhibitor in the coating is realized. The invention further discloses application of the anti-corrosion coating, prepared by using the method, in guardrails.

The invention discloses an in-situ carbonization curing treatment method for a shallow soft ground, and belongs to the field of civil engineering ground stabilization. The method includes the steps that pretreated ground soil is broken and stirred through a crawler-type stirrer; a first curing agent and a second curing agent are mixed, the mixed curing agents are sprayed into the ground soil, and the mixed curing agents and the ground soil are evenly stirred; U-type drain boards are inserted at intervals through a board inserting device; a compacting device and a film laying device are started, and films are laid while the treated ground soil is rolled; carbon dioxide gas is injected to carry out ventilating carbonization on the compacted ground soil; the steps are repeated, and the steps of mixing the curing agents for the pretreated ground soil, inserting the drain boards, and compacting, sealing and stabilizing the treated ground soil in a carbonization mode are completed continuously. The treatment system and method are simple and reliable and capable of adapting to a complex environment, construction is safe and efficient, and quantification of the curing agents in ground treatment and resource utilization of carbon dioxide are achieved.

A novel flame retardant and fire extinguishing product for preventing and fighting fires in solid materials is disclosed herein. The product is thixotropic and comprises water, one or more flame retardants, one or more stabilizers, and one or more preservatives. In some embodiments, the product further comprises one or more thickeners, one or more binders, one or more fining agents, one or more firming agents, one or more water retention agents, one or more polymers, one or more detergents, and/or one or more surfactants. The product may be used as a flame retardant to prevent fires and in active firefighting. The product may be biodegradable in a natural environment, may be readily cleaned off equipment and materials using water, and may also provide other features which render it safe for the environment as compared to other commonly used products in fire prevention and firefighting.

A liquid crystal sealing agent composition that is a one-component light and heat-curable resin composition containing: (1) a solid epoxy resin having a ring and ball method softening temperature of 40° C. or above; (2) an acrylate monomer and/or a methacrylate monomer, or an oligomer thereof; (3) a thermoplastic polymer having a ring and ball method softening temperature of 50 to 120° C., the thermoplastic polymer being obtained by copolymerizing an acrylate monomer and/or a methacrylate monomer with a monomer copolymerizable therewith; (4) a light-activated radical polymerization initiator; and (5) a latent epoxy curing agent. The light and heat curable liquid crystal sealing agent composition is employable in one drop fill, is excellent in properties of a cured product particularly after first-stage light curing, achieves stable cell gap after cell gap formation, permits prevention of contamination of the liquid crystal in second-stage heat curing, is excellent in curing properties in shaded area, and shows superior bonding reliability.

The present invention relates to a high refraction and high adhesion large power LED packaging organosilicon material and a chemical synthesis method thereof. The organosilicon packaging material is prepared by carrying out mixing matching on a component A and a component B according to a mass ratio of 1:1, wherein the component A comprises vinyl phenyl polysiloxane, vinyl phenyl silicone oil, a platinum-containing polysiloxane catalyst and a tackifier, the component B comprises hydrogen-containing phenyl polysiloxane, dihydrideterminated phenyl polysiloxane, vinyl phenyl polysiloxane and an inhibitor, the tackifier is prepared by carrying out addition on isocyanate, methoxy silane and epoxy silane, and provides strong adhesion for PPA and a silver surface, the curing agent is prepared by compounding hydrogen-containing phenyl polysiloxane and dihydrideterminated phenyl polysiloxane, and a compounding mass ratio is preferably 4:1-2, such that the packaging material has moderate hardness and flexibility after curing so as to effectively solve contradiction of strength and cracking of the cured adhesive. With the present invention, the organosilicon packaging material with characteristics of refraction of 1.54, suitability for industrialization and fully meeting of large power LED packaging requirements can be obtained.

The invention provides a preparation method of a composite material, which is characterized in that the composite material adopts specific fiber to serve as a reinforced material, adopts a sizing material which is composed of specific adhesive, acid resistant powder lot, modifying agent and firming agent to serve as cementing materials, and is formed through working procedure such as glue matching, clearcole painting, reinforced layer spreading, side glue painting, solidification, conservation, acidizing, and the like. The invention has the advantages of convenient manufacture and construction, low construction cost, good maintainability, normal temperature or high temperature concentrated acid proofing, and acidity flue gas corrosion proofing, the temperature of the concentrated acid proofing can achieve 350 DEG C, and the temperature of the acidity flue gas proofing can achieve 600 DEG C to 800 DEG C.

A subject of the present invention is to provide a one-pot type epoxy resin composition having both high curability and storage stability and a latent hardener for obtaining the same, and to provide anisotropic conductive materials, conductive adhesive materials, insulating adhesive materials, sealing materials, and the like which have high storage stability, solvent resistance and humidity resistance and can provide high connection reliability, adhesive strength and high sealing properties even under curing conditions such as low temperatures or short periods of time. The present invention relates to a latent hardener for epoxy resins in which a hardener (A) for epoxy resins is covered with a film (c1) obtained by reacting an isocyanate component (b1) comprising a low molecular bifunctional aliphatic isocyanate compound in an amount of 1% by mass or more and 95% by mass or less with an active hydrogen compound (b2), and to a one-pot type epoxy resin composition using the same.

The invention relates to heavy metal sludge treated agent and a treating method thereof and in particular discloses a heavy metal pollution bottle sediment curing agent. The curing agent comprises cement and pulverized fuel ash, the mass ratio of the pulverized fuel ash to cement is 1:(0.5-11).The curing method of the curing agent comprises the following steps: directly adding the curing agent tothe heavy metal pollution bottle sediment with the use level of the curing agent being 0.4-1.5 times of the use level of the heavy metal pollution bottle sediment; maintaining the mixture after beingadded the curing agent for at least 3 days; and finally, completing the curing process.The curing agent and curing method of the invention not only has low processing cost but also ideal curing effect.

The invention relates to a method for preparing a film-coated ceramisite proppant by using oil shale wastes. The method for preparing the film-coated ceramisite proppant by using the oil shale wastes is characterized by comprising the following steps of: 1) selecting raw materials which comprise the following raw materials in part by mass: 50 parts of the oil shale wastes, 50 parts of bauxite, and 1 to 4 parts of caking agent; 2) uniformly mixing the raw materials to obtain a mixture; 3) putting the mixture into a pan-type pelletizer for pelletizing to obtain raw material balls; 4) sintering the raw material balls to obtain a ceramisite aggregate; and 5) heating the ceramisite aggregate to the temperature of between 100 and 240 DEG C, adding a resin into the heated ceramisite aggregate and stirring the mixture uniformly first to ensure that the resin forms a film on the surface of the ceramisite aggregate, then adding a curing agent and other auxiliary agents, stirring the mixture uniformly, adding a lubricating agent, stirring the mixture uniformly, cooling to obtain a new mixture, crushing the new mixture and screening the crushed mixture through a 20/40-mesh sieve to obtain thefilm-coated ceramisite proppant. The method can extensively use the oil shale wastes and can solve the problem that the oil shale wastes harm the environment.

The invention discloses a self-lubricating type epoxy resin material and a preparation method thereof, belonging to the polymer material field. The self-lubricating type epoxy resin material comprises the following components in weight percentage: 60 to 80 percent of epoxy resin, 0.5 to 25 percent of lubricating oil microcapsules and 15 to 35 percent of curing agents. The preparation method for the self-lubricating type epoxy resin material comprises the following steps of well mixing the lubricating oil microcapsules, the epoxy resin with the curing agents and casting rapidly when to-be-mixed matter has gel phenomena, so as to obtain the self-lubricating type epoxy resin material. The invention also provides a lubricating oil microcapsule needed in the preparation of the epoxy resin material and a preparation method for the lubricating oil microcapsule. A technical proposal provided by the invention adds the lubricating oil microcapsules to the epoxy resin so as to prepare the epoxy resin compound material, which can remarkably improve the wear reducing-resisting performance of the epoxy resin material and has broad application prospects.

Biodegradable compositions that include a foamed gelling hydrocolloid system to which a firming agent and a fibrous material, with or without other optional components, are added. When articles prepared from such compositions are coated with a suitable coating, they are impervious to boiling water and able to withstand microwave heating.

The invention relates to a production technology of a moistureproof medium and high density fibre panel in the fibre panel production technology. The production technology comprises the working procedures of wood chip screening and washing, stewing, hot grinding, glue blending and spreading, drying, paving and molding, heat pressing, and cooling. The steam pressure for wood chip stewing after water-washing ranges from 0.70 to 0.80MPa, and the stewing time is 3 to 5 minutes; when the wood chip is processed through hot grinding defibrination, a water repellent substance is added in, and the pressure in a grinding chamber is lower than the pressure in a stewing cylinder, wherein, the weight of the water repellent substance is 1 to 1.5 percent of the dry fibre, and the pressure of the stewing cylinder is 0.01 to 0.02MPa; in the working procedure of glue blending and spreading, MDI modified urea formaldehyde resin adhesive and firming agents are added in, wherein, the weight of the MDI modified urea formaldehyde resin adhesive is 9 to 11 percent of the dry fibre, and the weight of the firming agents is 2 to 4 percent of the dry fibre; in the drying working procedure, the water ratio is 8 to 12 percent; parting medium of 1 to 2ml/m<2> is sprayed onto the upper surface and the lower surface of a plate blank before entering into the working procedure of heat pressing; then the heat pressing is acted to form the fibre panel. Moistureproof plank stuffs which are produced by the invention can prevent the moisture in air from intruding, the various indexes satisfy the national standards, the surface is smooth and regular, the secondary process is facilitated, and the production cost is lowered.

The invention discloses a preparation method of an epoxy resin system for a nanometer modified carbon fiber prepreg. The preparation method comprises the following steps: uniformly mixing a nanometer material with solid particles including a curing agent, an accelerant and the like in liquid bis-phenol A epoxy resin by a grinding method of a three-roller grinder to prepare a mixture A; and preparing the epoxy resin system for the carbon fiber prepreg by using the mixture A as the material to melt and co-extrude with solid bis-phenol A epoxy resin under 40 DEG C-100 DEG C. Firstly, the nanometer material is uniformly pre-mixed in the liquid epoxy resin by the grinding method of the three-roller grinder, and then secondary dispersion is carried out. According to the preparation method of the epoxy resin system for the nanometer modified carbon fiber prepreg disclosed by the invention, not only can the use of an volatile organic solvent be avoided, but also the better dispersion effect of the nanometer material in an epoxy resin base body can be achieved, and therefore, the process is relatively environment-friendly, and the harms to the body of a worker are smaller. Moreover, the nanometer material is good in dispersion effect, simple in process, high in efficiency and convenient for being applied to modifying and preparing the epoxy resin system for the carbon fiber prepreg in a large scale.