CN104530653A - Preparation method of epoxy resin/graphene/nano copper composite material - Google Patents
Preparation method of epoxy resin/graphene/nano copper composite material Download PDFInfo
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Abstract
The invention relates to a preparation method of an epoxy resin composite material, particularly a preparation method of an epoxy resin/graphene/nano copper composite material. The method aims to solve the technical problem that the existing epoxy resin does not simultaneously have excellent conductivity and excellent mechanical properties. The method comprises the following steps: 1. preparing a graphene oxide sol; 2. supporting nano copper powder on the graphene oxide; 3. dispersing the nano-copper-powder-supported graphene in an epoxy resin; and 4. curing. The graphene/nano copper in the epoxy resin/graphene/nano copper composite material has favorable dispersity in the epoxy resin; compared with the pure epoxy resin, the tensile strength of the epoxy resin/graphene/nano copper composite material is greatly enhanced; and the glass transition temperature of the epoxy resin/graphene/nano copper composite material is higher than that of the pure epoxy resin.
Description
Technical field
The present invention relates to a kind of preparation method of epoxy resin composite material.
Background technology
Containing phenyl ring and ehter bond in epoxy resin (EP) structure, therefore there is excellent electrical insulating property, resistant to chemical media and cementability, be widely used in coating, tackiness agent and engineering materials field.EP tackiness agent all has good cementability to various metal and most of non-metallic material, and metal sticks with glue agent requirement, and it has certain electroconductibility, need carry out modification to EP.EP matter is crisp, and it is also necessary for carrying out toughening modifying to it.
Graphene has excellent electroconductibility, thermal conductivity and biocompatibility, it is the material that mankind's known strength is the highest, also harder than diamond, taller upper 300 times of the iron and steel that strength ratio is best in the world, in the epoxy can the toughness of reinforced epoxy greatly by its uniform dispersion.Nanometer Copper metallic substance has good electroconductibility and low electronic mobility, be widely used in electronic industry as electrically conducting coating, conducting wire material and electrode materials, thus the research of copper nanoparticle electrically conducting coating is more and more subject to people's attention, its uniform dispersion can well be improved in the epoxy the electroconductibility of epoxy resin.
But, when current epoxy resin is different, possess excellent electroconductibility and excellent mechanical property.
Summary of the invention
The present invention possesses the technical problem of excellent electroconductibility and excellent mechanical property when being and will solving current epoxy resin difference, and provides the preparation method of a kind of epoxy resin/graphite alkene/Nanometer Copper matrix material.
The preparation method of a kind of epoxy resin/graphite alkene/Nanometer Copper matrix material of the present invention carries out according to the following steps:
One, graphene oxide colloidal sol is prepared: by traditional Hummers legal system for graphene oxide, ultrasonic after graphene oxide is mixed with distilled water, obtain graphene oxide colloidal sol; In described graphene oxide colloidal sol, the concentration of graphene oxide is 0.01g/mL;
Two, graphene oxide-loaded nano copper powder: by CuSO
4 .5H
2o adds in distilled water ultrasonic to dissolving completely, obtain copper sulfate solution, graphene oxide colloidal sol step one prepared and copper sulfate solution are poured in the there-necked flask of 250mL, normal temperature sonic oscillation 1h, then being placed on low whipping speed in the water-bath of 70 DEG C is add hydrazine hydrate aqueous solution and aqueous sodium hydroxide solution successively under the condition of 300r/min, continuing low whipping speed in the water-bath of 70 DEG C is stir 45min under the condition of 300r/min, naturally be down to room temperature, obtain the Graphene of loaded with nano copper powder; The concentration of described copper sulfate solution is 0.0267g/mL; The concentration of described aqueous sodium hydroxide solution is 0.05g/mL; The volumetric concentration of described hydrazine hydrate aqueous solution is 61.54%; Described graphene oxide colloidal sol and the volume ratio of copper sulfate solution are 1:2; Described hydrazine hydrate aqueous solution and the volume ratio of copper sulfate solution are 1:2.3; Described aqueous sodium hydroxide solution and the volume ratio of copper sulfate solution are 1:3;
Three, the Graphene of loaded with nano copper powder dispersion in the epoxy: the Graphene of loaded with nano copper powder step 2 obtained joins in epoxy resin, with mulser be disperse 5min ~ 7min under the condition of 7000r/min at rotating speed, obtain epoxy resin/graphite alkene/Nanometer Copper mixture; Described epoxy resin is E-51; The Graphene of the loaded with nano copper powder that described step 2 obtains and the mass ratio of epoxy resin are 1:(6.25 ~ 200);
Four, solidification: coat high vacuum silicone grease at the internal surface of Teflon mould, then internal surface is scribbled the Teflon mould of high vacuum silicone grease, epoxy resin/graphite alkene/Nanometer Copper mixture that step 3 obtains and solidifying agent are respectively put in the baking oven of 60 DEG C and are incubated 2h, then under rotating speed is the condition of 100r/min, 4min ~ 5min is stirred by after preheated epoxy resin/graphite alkene/Nanometer Copper mixture and the mixing of preheated solidifying agent, obtain epoxy resin/graphite alkene/Nanometer Copper prepolymer, pouring epoxy resin/graphite alkene/Nanometer Copper prepolymer into preheated internal surface scribbles in the Teflon mould of high vacuum silicone grease, be be incubated 2h under the condition of 70 DEG C in temperature, be warming up to 125 DEG C and be incubated 2.5h under the condition of 125 DEG C in temperature, be warming up to 150 DEG C and be incubated 1h under the condition of 150 DEG C in temperature, naturally room temperature is down to, obtain epoxy resin/graphite alkene/Nanometer Copper matrix material, described solidifying agent is polyamide 6 51, the mass ratio of described solidifying agent and the epoxy resin described in step 3 is 1:2.
Advantage of the present invention:
One, graphene/nanometer copper favorable dispersity in the epoxy in epoxy resin/graphite alkene/Nanometer Copper matrix material of preparing of the inventive method;
Two, compared with pure epoxy resin, the tensile strength of epoxy resin/graphite alkene/Nanometer Copper matrix material prepared by the present invention can improve 60%;
Three, when graphene/nanometer copper content is the 10wt% of epoxy resin, the second-order transition temperature of epoxy resin/graphite alkene/Nanometer Copper matrix material prepared by the present invention improves general 8 DEG C compared with pure epoxy resin.
Accompanying drawing explanation
Fig. 1 is the SEM figure of pure epoxy resin;
Fig. 2 is the SEM figure of epoxy resin/graphite alkene/Nanometer Copper matrix material prepared by test two;
Fig. 3 is XRD figure spectrum, and curve a is pure epoxy resin, and curve b is epoxy resin/graphite alkene/Nanometer Copper matrix material prepared by test two, and curve c is copper nanoparticle prepared by test three;
Fig. 4 is DMA figure, and curve 1 is pure epoxy resin, and curve 2 is epoxy resin/graphite alkene/Nanometer Copper matrix materials prepared by test one;
Fig. 5 is mechanical property figure, the Graphene that the massfraction of transverse axis refers to the loaded with nano copper powder that the step 2 in the present invention described in step 3 obtains accounts for the massfraction of epoxy resin, a point is pure epoxy resin, b point is epoxy resin/graphite alkene/Nanometer Copper matrix material that test one obtains, and c point is epoxy resin/graphite alkene/Nanometer Copper matrix material that test two obtains.
Embodiment
Embodiment one: present embodiment is the preparation method of a kind of epoxy resin/graphite alkene/Nanometer Copper matrix material, specifically carries out according to the following steps:
One, graphene oxide colloidal sol is prepared: by traditional Hummers legal system for graphene oxide, ultrasonic after graphene oxide is mixed with distilled water, obtain graphene oxide colloidal sol; In described graphene oxide colloidal sol, the concentration of graphene oxide is 0.01g/mL;
Two, graphene oxide-loaded nano copper powder: by CuSO
4 .5H
2o adds in distilled water ultrasonic to dissolving completely, obtain copper sulfate solution, graphene oxide colloidal sol step one prepared and copper sulfate solution are poured in the there-necked flask of 250mL, normal temperature sonic oscillation 1h, then being placed on low whipping speed in the water-bath of 70 DEG C is add hydrazine hydrate aqueous solution and aqueous sodium hydroxide solution successively under the condition of 300r/min, continuing low whipping speed in the water-bath of 70 DEG C is stir 45min under the condition of 300r/min, naturally be down to room temperature, obtain the Graphene of loaded with nano copper powder; The concentration of described copper sulfate solution is 0.0267g/mL; The concentration of described aqueous sodium hydroxide solution is 0.05g/mL; The volumetric concentration of described hydrazine hydrate aqueous solution is 61.54%; Described graphene oxide colloidal sol and the volume ratio of copper sulfate solution are 1:2; Described hydrazine hydrate aqueous solution and the volume ratio of copper sulfate solution are 1:2.3; Described aqueous sodium hydroxide solution and the volume ratio of copper sulfate solution are 1:3;
Three, the Graphene of loaded with nano copper powder dispersion in the epoxy: the Graphene of loaded with nano copper powder step 2 obtained joins in epoxy resin, with mulser be disperse 5min ~ 7min under the condition of 7000r/min at rotating speed, obtain epoxy resin/graphite alkene/Nanometer Copper mixture; Described epoxy resin is E-51; The Graphene of the loaded with nano copper powder that described step 2 obtains and the mass ratio of epoxy resin are 1:(6.25 ~ 200);
Four, solidification: coat high vacuum silicone grease at the internal surface of Teflon mould, then internal surface is scribbled the Teflon mould of high vacuum silicone grease, epoxy resin/graphite alkene/Nanometer Copper mixture that step 3 obtains and solidifying agent are respectively put in the baking oven of 60 DEG C and are incubated 2h, then under rotating speed is the condition of 100r/min, 4min ~ 5min is stirred by after preheated epoxy resin/graphite alkene/Nanometer Copper mixture and the mixing of preheated solidifying agent, obtain epoxy resin/graphite alkene/Nanometer Copper prepolymer, pouring epoxy resin/graphite alkene/Nanometer Copper prepolymer into preheated internal surface scribbles in the Teflon mould of high vacuum silicone grease, be be incubated 2h under the condition of 70 DEG C in temperature, be warming up to 125 DEG C and be incubated 2.5h under the condition of 125 DEG C in temperature, be warming up to 150 DEG C and be incubated 1h under the condition of 150 DEG C in temperature, naturally room temperature is down to, obtain epoxy resin/graphite alkene/Nanometer Copper matrix material, described solidifying agent is polyamide 6 51, the mass ratio of described solidifying agent and the epoxy resin described in step 3 is 1:2.
Present embodiment advantage:
One, graphene/nanometer copper favorable dispersity in the epoxy in epoxy resin/graphite alkene/Nanometer Copper matrix material of preparing of the method for present embodiment;
Two, compared with pure epoxy resin, the tensile strength of epoxy resin/graphite alkene/Nanometer Copper matrix material prepared by present embodiment can improve 60%;
Three, when graphene/nanometer copper content is the 10wt% of epoxy resin, the second-order transition temperature of epoxy resin/graphite alkene/Nanometer Copper matrix material prepared by present embodiment improves general 8 DEG C compared with pure epoxy resin.
Embodiment two: present embodiment and embodiment one unlike: the traditional Hummers legal system described in step one for the step of graphene oxide is:
The flaky graphite powder getting 1.2g joins in the glass there-necked flask that volume is 500mL, add the vitriol oil of 50mL again, 30min is stirred under room temperature and stirring velocity are the condition of 250r/min, glass there-necked flask is put into ice-water bath, slowly add the potassium permanganate of 10g and the SODIUMNITRATE of 1.5g again, low whipping speed is stir 2h under the condition of 200r/min and ice-water bath, under room temperature and stirring velocity are the condition of 250r/min, 2h is stirred after being taken out from ice-water bath by glass there-necked flask, then in temperature be in the water-bath of 35 DEG C and stirring velocity be stir 24h under the condition of 250r/min, the massfraction adding 10mL ~ 15mL is again the hydrogen peroxide solution of 30% and the massfraction of 10mL is the aqueous hydrochloric acid of 36% ~ 38%, obtain mixing solutions, by mixing solutions collected by centrifugation lower floor thick liquid, thick liquid is put into semi-permeable membranes dialysis to solution for neutral, obtain graphene oxide.Other is identical with embodiment one.
Embodiment three: one of present embodiment and embodiment one to two unlike: the Graphene of the loaded with nano copper powder that the step 2 described in step 3 obtains and the mass ratio of epoxy resin are 1:10.Other is identical with one of embodiment one to two.
Embodiment four: present embodiment and embodiment two unlike: the traditional Hummers legal system described in step one stirs 2h after being taken out from ice-water bath by glass there-necked flask in the step of graphene oxide under room temperature and stirring velocity are the condition of 250r/min, then in temperature be in the water-bath of 35 DEG C and stirring velocity be stir 24h under the condition of 250r/min, the massfraction adding 12mL is again the hydrogen peroxide solution of 30% and the massfraction of 10mL is the aqueous hydrochloric acid of 37%, obtains mixing solutions.Other is identical with one of embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four unlike: the Graphene of the loaded with nano copper powder that the step 2 described in step 3 obtains and the mass ratio of epoxy resin are 1:6.25.Other is identical with one of embodiment one to four.
Adopt following verification experimental verification effect of the present invention:
Test one: this test is the preparation method of a kind of epoxy resin/graphite alkene/Nanometer Copper matrix material, specifically carries out according to the following steps:
One, graphene oxide colloidal sol is prepared: by traditional Hummers legal system for graphene oxide, ultrasonic after graphene oxide is mixed with distilled water, obtain graphene oxide colloidal sol; In described graphene oxide colloidal sol, the concentration of graphene oxide is 0.01g/mL;
Two, graphene oxide-loaded nano copper powder: by CuSO
4 .5H
2o adds in distilled water ultrasonic to dissolving completely, obtain copper sulfate solution, graphene oxide colloidal sol step one prepared and copper sulfate solution are poured in the there-necked flask of 250mL, normal temperature sonic oscillation 1h, then being placed on low whipping speed in the water-bath of 70 DEG C is add hydrazine hydrate aqueous solution and aqueous sodium hydroxide solution successively under the condition of 300r/min, continuing low whipping speed in the water-bath of 70 DEG C is stir 45min under the condition of 300r/min, naturally be down to room temperature, obtain the Graphene of loaded with nano copper powder; The concentration of described copper sulfate solution is 0.0267g/mL; The concentration of described aqueous sodium hydroxide solution is 0.05g/mL; The volumetric concentration of described hydrazine hydrate aqueous solution is 61.54%; Described graphene oxide colloidal sol and the volume ratio of copper sulfate solution are 1:2; Described hydrazine hydrate aqueous solution and the volume ratio of copper sulfate solution are 1:2.3; Described aqueous sodium hydroxide solution and the volume ratio of copper sulfate solution are 1:3;
Three, the Graphene of loaded with nano copper powder dispersion in the epoxy: the Graphene of loaded with nano copper powder step 2 obtained joins in epoxy resin, with mulser be disperse 5min under the condition of 7000r/min at rotating speed, obtain epoxy resin/graphite alkene/Nanometer Copper mixture; Described epoxy resin is E-51; The Graphene of the loaded with nano copper powder that described step 2 obtains and the mass ratio of epoxy resin are 1:10;
Four, solidification: coat high vacuum silicone grease at the internal surface of Teflon mould, then internal surface is scribbled the Teflon mould of high vacuum silicone grease, epoxy resin/graphite alkene/Nanometer Copper mixture that step 3 obtains and solidifying agent are respectively put in the baking oven of 60 DEG C and are incubated 2h, then under rotating speed is the condition of 100r/min, 4min is stirred by after preheated epoxy resin/graphite alkene/Nanometer Copper mixture and the mixing of preheated solidifying agent, obtain epoxy resin/graphite alkene/Nanometer Copper prepolymer, pouring epoxy resin/graphite alkene/Nanometer Copper prepolymer into preheated internal surface scribbles in the Teflon mould of high vacuum silicone grease, be be incubated 2h under the condition of 70 DEG C in temperature, be warming up to 125 DEG C and be incubated 2.5h under the condition of 125 DEG C in temperature, be warming up to 150 DEG C and be incubated 1h under the condition of 150 DEG C in temperature, naturally room temperature is down to, obtain epoxy resin/graphite alkene/Nanometer Copper matrix material, described solidifying agent is polyamide 6 51, the mass ratio of described solidifying agent and the epoxy resin described in step 3 is 1:2.
Test two: this test is the preparation method of a kind of epoxy resin/graphite alkene/Nanometer Copper matrix material, specifically carries out according to the following steps:
One, graphene oxide colloidal sol is prepared: by traditional Hummers legal system for graphene oxide, ultrasonic after graphene oxide is mixed with distilled water, obtain graphene oxide colloidal sol; In described graphene oxide colloidal sol, the concentration of graphene oxide is 0.01g/mL;
Two, graphene oxide-loaded nano copper powder: by CuSO
4 .5H
2o adds in distilled water ultrasonic to dissolving completely, obtain copper sulfate solution, graphene oxide colloidal sol step one prepared and copper sulfate solution are poured in the there-necked flask of 250mL, normal temperature sonic oscillation 1h, then being placed on low whipping speed in the water-bath of 70 DEG C is add hydrazine hydrate aqueous solution and aqueous sodium hydroxide solution successively under the condition of 300r/min, continuing low whipping speed in the water-bath of 70 DEG C is stir 45min under the condition of 300r/min, naturally be down to room temperature, obtain the Graphene of loaded with nano copper powder; The concentration of described copper sulfate solution is 0.0267g/mL; The concentration of described aqueous sodium hydroxide solution is 0.05g/mL; The volumetric concentration of described hydrazine hydrate aqueous solution is 61.54%; Described graphene oxide colloidal sol and the volume ratio of copper sulfate solution are 1:2; Described hydrazine hydrate aqueous solution and the volume ratio of copper sulfate solution are 1:2.3; Described aqueous sodium hydroxide solution and the volume ratio of copper sulfate solution are 1:3;
Three, the Graphene of loaded with nano copper powder dispersion in the epoxy: the Graphene of loaded with nano copper powder step 2 obtained joins in epoxy resin, with mulser be disperse 5min under the condition of 7000r/min at rotating speed, obtain epoxy resin/graphite alkene/Nanometer Copper mixture; Described epoxy resin is E-51; The Graphene of the loaded with nano copper powder that described step 2 obtains and the mass ratio of epoxy resin are 1:6.25;
Four, solidification: coat high vacuum silicone grease at the internal surface of Teflon mould, then internal surface is scribbled the Teflon mould of high vacuum silicone grease, epoxy resin/graphite alkene/Nanometer Copper mixture that step 3 obtains and solidifying agent are respectively put in the baking oven of 60 DEG C and are incubated 2h, then under rotating speed is the condition of 100r/min, 4min is stirred by after preheated epoxy resin/graphite alkene/Nanometer Copper mixture and the mixing of preheated solidifying agent, obtain epoxy resin/graphite alkene/Nanometer Copper prepolymer, pouring epoxy resin/graphite alkene/Nanometer Copper prepolymer into preheated internal surface scribbles in the Teflon mould of high vacuum silicone grease, be be incubated 2h under the condition of 70 DEG C in temperature, be warming up to 125 DEG C and be incubated 2.5h under the condition of 125 DEG C in temperature, be warming up to 150 DEG C and be incubated 1h under the condition of 150 DEG C in temperature, naturally room temperature is down to, obtain epoxy resin/graphite alkene/Nanometer Copper matrix material, described solidifying agent is polyamide 6 51, the mass ratio of described solidifying agent and the epoxy resin described in step 3 is 1:2.
Test three: this test is the method preparing Nanometer Copper powder:
By the CuSO of 0.8g
4.5H
2o joins in 30mL distilled water ultrasonic to dissolving, and add the PVP (PVP) of 0.06g, ultrasonic 30min, subsequently respectively to the CuSO pouring ultrasonic dissolution in three-necked bottle into
4.5H
2the mixing solutions of O and PVP, add 13mL hydrazine hydrate aqueous solution again, finally add the NaOH aqueous solution of 10mL, at 70 DEG C, rotating speed is stir 45min under the condition of 300r/min, the product obtained is suction filtration after cooling, after a large amount of distilled water and absolute ethanol washing, put into vacuum drying oven dry 10h at ambient temperature, finally grinding obtains copper nanoparticle; The concentration of described aqueous sodium hydroxide solution is 0.05g/mL; The volumetric concentration of described hydrazine hydrate aqueous solution is 61.54%.
Fig. 1 is the SEM figure of pure epoxy resin, Fig. 2 is the SEM figure of epoxy resin/graphite alkene/Nanometer Copper matrix material prepared by test two, can be observed by Fig. 2 and in pure epoxy resin, add graphene/nanometer copper make this matrix material section become irregular, coarse injustice, it is not very clear that river line is compared compared with the pure epoxy resin of Fig. 1, the new surface adding graphene/nanometer copper formation is many, and namely absorb striking energy many, this can improve the crisp feature of pure epoxy resin matter.
Fig. 3 is XRD figure spectrum, curve a is pure epoxy resin, curve b is epoxy resin/graphite alkene/Nanometer Copper matrix material prepared by test two, curve c is copper nanoparticle prepared by test three, because epoxy resin absorption peak is very large, so the summit of Graphene is fallen by the peak diffraction of epoxy resin, as can be seen from the figure the epoxy resin/graphite alkene/Nanometer Copper matrix material testing two preparations has the absorption peak of graphene/nanometer copper and epoxy resin, illustrates that epoxy resin/graphite alkene/Nanometer Copper matrix material has been prepared in test two.
Fig. 4 is DMA figure, curve 1 is pure epoxy resin, curve 2 is epoxy resin/graphite alkene/Nanometer Copper matrix materials prepared by test one, as can be seen from the figure, compared with pure epoxy resin, the dissipation factor peak position of epoxy resin/graphite alkene/Nanometer Copper matrix material of test two preparation is obviously moved to high temperature direction, namely Nanometer Copper add the T that improve epoxy resin
g, improve general 8 DEG C.
Fig. 5 is mechanical property figure, the Graphene that the massfraction of transverse axis refers to the loaded with nano copper powder that the step 2 in the present invention described in step 3 obtains accounts for the massfraction of epoxy resin, a point is pure epoxy resin, b point is epoxy resin/graphite alkene/Nanometer Copper matrix material that test one obtains, c point is epoxy resin/graphite alkene/Nanometer Copper matrix material that test two obtains, as can be seen from the figure the tensile strength of pure epoxy resin is 31.14Mpa, but along with the mechanical property that adds of graphene/nanometer copper obviously strengthens, this illustrates the excellence of mechanical property than pure epoxy resin of epoxy resin/graphite alkene/Nanometer Copper matrix material that test one and test two are prepared, the tensile strength of the epoxy resin/graphite alkene/Nanometer Copper matrix material of test one preparation is 47.82Mpa, the tensile strength of the epoxy resin/graphite alkene/Nanometer Copper matrix material of test two preparation is 54.56Mpa, 60% is improve compared with pure epoxy resin.
Claims (5)
1. a preparation method for epoxy resin/graphite alkene/Nanometer Copper matrix material, is characterized in that the preparation method of epoxy resin/graphite alkene/Nanometer Copper matrix material carries out according to the following steps:
One, graphene oxide colloidal sol is prepared: by traditional Hummers legal system for graphene oxide, ultrasonic after graphene oxide is mixed with distilled water, obtain graphene oxide colloidal sol; In described graphene oxide colloidal sol, the concentration of graphene oxide is 0.01g/mL;
Two, graphene oxide-loaded nano copper powder: by CuSO
45H
2o adds in distilled water ultrasonic to dissolving completely, obtain copper sulfate solution, graphene oxide colloidal sol step one prepared and copper sulfate solution are poured in the there-necked flask of 250mL, normal temperature sonic oscillation 1h, then being placed on low whipping speed in the water-bath of 70 DEG C is add hydrazine hydrate aqueous solution and aqueous sodium hydroxide solution successively under the condition of 300r/min, continuing low whipping speed in the water-bath of 70 DEG C is stir 45min under the condition of 300r/min, naturally be down to room temperature, obtain the Graphene of loaded with nano copper powder; The concentration of described copper sulfate solution is 0.0267g/mL; The concentration of described aqueous sodium hydroxide solution is 0.05g/mL; The volumetric concentration of described hydrazine hydrate aqueous solution is 61.54%; Described graphene oxide colloidal sol and the volume ratio of copper sulfate solution are 1:2; Described hydrazine hydrate aqueous solution and the volume ratio of copper sulfate solution are 1:2.3; Described aqueous sodium hydroxide solution and the volume ratio of copper sulfate solution are 1:3;
Three, the Graphene of loaded with nano copper powder dispersion in the epoxy: the Graphene of loaded with nano copper powder step 2 obtained joins in epoxy resin, with mulser be disperse 5min ~ 7min under the condition of 7000r/min at rotating speed, obtain epoxy resin/graphite alkene/Nanometer Copper mixture; Described epoxy resin is E-51; The Graphene of the loaded with nano copper powder that described step 2 obtains and the mass ratio of epoxy resin are 1:(6.25 ~ 200);
Four, solidification: coat high vacuum silicone grease at the internal surface of Teflon mould, then internal surface is scribbled the Teflon mould of high vacuum silicone grease, epoxy resin/graphite alkene/Nanometer Copper mixture that step 3 obtains and solidifying agent are respectively put in the baking oven of 60 DEG C and are incubated 2h, then under rotating speed is the condition of 100r/min, 4min ~ 5min is stirred by after preheated epoxy resin/graphite alkene/Nanometer Copper mixture and the mixing of preheated solidifying agent, obtain epoxy resin/graphite alkene/Nanometer Copper prepolymer, pouring epoxy resin/graphite alkene/Nanometer Copper prepolymer into preheated internal surface scribbles in the Teflon mould of high vacuum silicone grease, be be incubated 2h under the condition of 70 DEG C in temperature, be warming up to 125 DEG C and be incubated 2.5h under the condition of 125 DEG C in temperature, be warming up to 150 DEG C and be incubated 1h under the condition of 150 DEG C in temperature, naturally room temperature is down to, obtain epoxy resin/graphite alkene/Nanometer Copper matrix material, described solidifying agent is polyamide 6 51, the mass ratio of described solidifying agent and the epoxy resin described in step 3 is 1:2.
2. the preparation method of a kind of epoxy resin/graphite alkene/Nanometer Copper matrix material according to claim 1, is characterized in that the traditional Hummers legal system described in step one for the step of graphene oxide is:
The flaky graphite powder getting 1.2g joins in the glass there-necked flask that volume is 500mL, add the vitriol oil of 50mL again, 30min is stirred under room temperature and stirring velocity are the condition of 250r/min, glass there-necked flask is put into ice-water bath, slowly add the potassium permanganate of 10g and the SODIUMNITRATE of 1.5g again, low whipping speed is stir 2h under the condition of 200r/min and ice-water bath, under room temperature and stirring velocity are the condition of 250r/min, 2h is stirred after being taken out from ice-water bath by glass there-necked flask, then in temperature be in the water-bath of 35 DEG C and stirring velocity be stir 24h under the condition of 250r/min, the massfraction adding 10mL ~ 15mL is again the hydrogen peroxide solution of 30% and the massfraction of 10mL is the aqueous hydrochloric acid of 36% ~ 38%, obtain mixing solutions, by mixing solutions collected by centrifugation lower floor thick liquid, thick liquid is put into semi-permeable membranes dialysis to solution for neutral, obtain graphene oxide.
3. the preparation method of a kind of epoxy resin/graphite alkene/Nanometer Copper matrix material according to claim 2, under room temperature and stirring velocity are the condition of 250r/min, 2h is stirred after it is characterized in that glass there-necked flask to take out from ice-water bath, then in temperature be in the water-bath of 35 DEG C and stirring velocity be stir 24h under the condition of 250r/min, the massfraction adding 12mL is again the hydrogen peroxide solution of 30% and the massfraction of 10mL is the aqueous hydrochloric acid of 37%, obtains mixing solutions.
4. the preparation method of a kind of epoxy resin/graphite alkene/Nanometer Copper matrix material according to claim 1, is characterized in that the Graphene of the loaded with nano copper powder that the step 2 described in step 3 obtains and the mass ratio of epoxy resin are 1:10.
5. the preparation method of a kind of epoxy resin/graphite alkene/Nanometer Copper matrix material according to claim 1, is characterized in that the Graphene of the loaded with nano copper powder that the step 2 described in step 3 obtains and the mass ratio of epoxy resin are 1:6.25.
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