CN103965586B - A kind of preparation method of the Wave suction composite material as coating or packing layer - Google Patents
A kind of preparation method of the Wave suction composite material as coating or packing layer Download PDFInfo
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- CN103965586B CN103965586B CN201410211319.9A CN201410211319A CN103965586B CN 103965586 B CN103965586 B CN 103965586B CN 201410211319 A CN201410211319 A CN 201410211319A CN 103965586 B CN103965586 B CN 103965586B
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Abstract
As a preparation method for the Wave suction composite material of coating or packing layer, it relates to a kind of preparation method of Wave suction composite material.The object of the invention is to solve Wave suction composite material prepared by prior art and have that to inhale ripple frequency band single, inhale wavestrip width, inhale the problem that wavelength-division shellfish is low.Preparation method: one, prepare polyethylene glycol 6000/dispersion solvent mixed solution; Two, mixed liquor A is prepared; Three, ball milling; Four, supersound process; Five, mixture B is prepared; Six, supersound process; Seven, curing molding.A kind of Wave suction composite material as coating or packing layer can be coated in composite material surface as coating or be filled in composite structure interlayer as packing layer.A kind of Wave suction composite material as coating or packing layer prepared by the present invention has obvious absorbing property, can be used for aerospace, communication, military field.The present invention can obtain a kind of Wave suction composite material as coating or packing layer.
Description
Technical field
The present invention relates to a kind of preparation method of Wave suction composite material.
Background technology
So-called absorbing material, refers to a class material that can absorb the electromagnetic wave energy projecting its surface.Along with the development of modern science and technology, the impact of electromagenetic wave radiation on environment and people's health increases day by day, has a negative impact to the hiding of military installations.Find and a kind ofly can keep out and weaken the material of electromagenetic wave radiation, become a large problem of Materials science.
Tradition absorbing material is divided into application type and structure-type.The coating mainly ferrite of current most coated type absorbing material.Although ferrite has more excellent absorbing property, its suction ripple frequency range is higher, insensitive to low-frequency electromagnetic wave.Meanwhile, ferritic also have density large, is unfavorable for the shortcoming such as material loss of weight and hot properties difference.In addition, the absorptive character that ferrite powder will improve it will to adopt with conductive polymers compound to reduce the way of ferritic specific inductivity, which limits it based on the application in the polymer matrix composites field of non-conductive polymkeric substance.Also have other coating substances such as polycrystalline iron fiber etc. in suction ripple, also have suction wavestrip wide narrower, inhale the shortcoming that ripple frequency range is more single.Structural absorbing mater ials is structure reasonable in design, makes this structure can reach the object of inhaling ripple by the energy of multiple reflections or transmission dissipative electromagnetic ripple.But structural absorbing mater ials, because special structure, will be sacrificed mechanical property greatly, make structural absorbing mater ials not be directly used in main force support structure.
Therefore, adopt the cooperation of novel absorbing material and multiple absorbing material to also become design and prepare the important channel of high-performance wave-absorbing material.
Absorbing material require to absorb strong, bandwidth, proportion are little, thickness is thin, environmental stability is good, and traditional absorbing material is difficult to meet above-mentioned composite request, produced problem be absorption band single, than great, absorb the problems such as not strong.
Summary of the invention
The object of the invention is to solve Wave suction composite material prepared by prior art and have that to inhale ripple frequency band single, inhale wavestrip width, inhale the problem that wavelength-division shellfish is low, and a kind of preparation method of the Wave suction composite material as coating or packing layer is provided.
As a preparation method for the Wave suction composite material of coating or packing layer, complete according to the following steps:
One, prepare polyethylene glycol 6000/dispersion solvent mixed solution: mixed with dispersion solvent by polyethylene glycol 6000, be stir 15min ~ 30min under the condition of 200r/min ~ 400r/min at rotating speed, obtain polyethylene glycol 6000/dispersion solvent mixed solution;
In polyethylene glycol 6000 described in step one/dispersion solvent mixed solution, the concentration of polyethylene glycol 6000 is 0.01g/mL ~ 0.1g/mL;
Two, mixed liquor A is prepared: be the lanthanum oxide powder of 20nm ~ 60nm by carbon nanotube, particle diameter, to be the metallic nickel powder of 1 μm ~ 3 μm and particle diameter be particle diameter that the ytterbium oxide powder of 2 μm ~ 4 μm joins in polyethylene glycol 6000/dispersion solvent mixed solution, obtains mixed liquor A;
The volume ratio of the quality of the carbon nanotube described in step 2 and polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(16mL ~ 150mL);
Particle diameter described in step 2 is the quality of the lanthanum oxide powder of 20nm ~ 60nm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(140mL ~ 1500mL);
Particle diameter described in step 2 is the quality of the metallic nickel powder of 1 μm ~ 3 μm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(50mL ~ 375mL);
Particle diameter described in step 2 is the quality of the ytterbium oxide powder of 2 μm ~ 4 μm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(45mL ~ 300mL);
Three, ball milling: carry out Ball milling process to mixed liquor A, obtains the mixed liquor A after Ball milling;
Four, supersound process: the mixed liquor A after Ball milling is carried out supersound process, obtains the mixed liquor A after supersound process;
Five, prepare mixture B: joined by epoxy resin in the mixed liquor A after supersound process, low whipping speed is stir 15min ~ 30min under the condition of 200r/min ~ 400r/min, obtains mixture B;
The volume ratio of the mixed liquor A after the quality of the epoxy resin described in step 5 and supersound process is 1g:(0.2mL ~ 1.5mL);
Six, supersound process: mixture B is carried out supersound process, obtains the mixture B after supersound process;
Seven, curing molding: quadrol or polymeric amide are joined in the mixture B after supersound process, then stir 10min ~ 30min under rotating speed is 100r/min ~ 300r/min, obtains the Wave suction composite material as coating or packing layer;
The mass ratio of the mixture B epoxy resin after the quadrol described in step 7 and supersound process is (7 ~ 8): 100;
The mass ratio of the mixture B epoxy resin after the polymeric amide described in step 7 and supersound process is (0.6 ~ 1): 1.
A kind of Wave suction composite material as coating or packing layer can be coated in composite material surface as coating or be filled in composite structure interlayer as packing layer.
Advantage of the present invention: one, a kind of Wave suction composite material technological operation as coating or packing layer of preparing of the present invention is simple, and equipment used is this area conventional instrument, and process cycle is short, lower to the requirement of process environments, with low cost;
Two, the absorbing property of a kind of Wave suction composite material as coating or packing layer prepared by the present invention is excellent, take resin as matrix, the light specific gravity of a kind of Wave suction composite material as coating or packing layer making preparation, the suction wavestrip of a kind of Wave suction composite material as coating or packing layer prepared by the present invention is wide compare before traditional absorbing material have significantly broadening, the suction ripple frequency range of a kind of Wave suction composite material as coating or packing layer prepared by the present invention accounts for 75% ~ 85% of full frequency band, with traditional absorbing material inhale ripple frequency range account for full frequency band 30% ~ 60% compared with improve 30% ~ 160%, the suction wavelength-division shellfish of a kind of Wave suction composite material as coating or packing layer prepared by the present invention compares traditional Electromagnetic Wave-absorbing Carbon Nanotubes also has lifting, the maximum suction wavelength-division shellfish of a kind of Wave suction composite material as coating or packing layer prepared by the present invention is-23dB ~-25dB, improves 20% ~ 60% compared with the maximum suction wavelength-division shellfish-15dB ~ 20dB of traditional single carbon nanotube, in addition, inhale the protection that ripple reinforcement is subject to resin matrix, the stability of a kind of Wave suction composite material absorbing property as coating or packing layer prepared by the present invention is better,
Three, a kind of Wave suction composite material as coating or packing layer that prepared by the present invention can be coated in any composite layer or be filled into any composite material interlayer, makes any matrix material after coating and any matrix material after filling all have excellent absorbing property; Simple glass fiber-reinforced resin matrix compound material structure does not almost inhale the character of ripple, and is filled with a kind of Wave suction composite material as coating or packing layer prepared by the present invention and has obvious absorbing property;
Four, a kind of Wave suction composite material as coating or packing layer that prepared by the present invention can be used for aerospace, communication, military field.
The present invention can obtain a kind of Wave suction composite material as coating or packing layer.
Accompanying drawing explanation
Fig. 1 is a kind of Wave suction composite material as coating or packing layer prepared by test one is filled into galss fiber reinforced resin based composites truss core structure 2.99GHz ~ 18.00GHz full frequency band reflection decibel as laminboard layer; In figure, 1 is raw data plot, and 2 is fitting data curves;
Fig. 2 is a kind of Wave suction composite material as coating or packing layer prepared by test one is filled into galss fiber reinforced resin based composites truss core structure 2.99GHz ~ 18.00GHz full frequency band electromagnetic consumable per-cent as laminboard layer, in figure, 1 is raw data plot, and 2 is fitting data curves.
Embodiment
Embodiment one: present embodiment is a kind of preparation method of the Wave suction composite material as coating or packing layer, completes according to the following steps:
One, prepare polyethylene glycol 6000/dispersion solvent mixed solution: mixed with dispersion solvent by polyethylene glycol 6000, be stir 15min ~ 30min under the condition of 200r/min ~ 400r/min at rotating speed, obtain polyethylene glycol 6000/dispersion solvent mixed solution;
In polyethylene glycol 6000 described in step one/dispersion solvent mixed solution, the concentration of polyethylene glycol 6000 is 0.01g/mL ~ 0.1g/mL;
Two, mixed liquor A is prepared: be the lanthanum oxide powder of 20nm ~ 60nm by carbon nanotube, particle diameter, to be the metallic nickel powder of 1 μm ~ 3 μm and particle diameter be particle diameter that the ytterbium oxide powder of 2 μm ~ 4 μm joins in polyethylene glycol 6000/dispersion solvent mixed solution, obtains mixed liquor A;
The volume ratio of the quality of the carbon nanotube described in step 2 and polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(16mL ~ 150mL);
Particle diameter described in step 2 is the quality of the lanthanum oxide powder of 20nm ~ 60nm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(140mL ~ 1500mL);
Particle diameter described in step 2 is the quality of the metallic nickel powder of 1 μm ~ 3 μm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(50mL ~ 375mL);
Particle diameter described in step 2 is the quality of the ytterbium oxide powder of 2 μm ~ 4 μm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(45mL ~ 300mL);
Three, ball milling: carry out Ball milling process to mixed liquor A, obtains the mixed liquor A after Ball milling;
Four, supersound process: the mixed liquor A after Ball milling is carried out supersound process, obtains the mixed liquor A after supersound process;
Five, prepare mixture B: joined by epoxy resin in the mixed liquor A after supersound process, low whipping speed is stir 15min ~ 30min under the condition of 200r/min ~ 400r/min, obtains mixture B;
The volume ratio of the mixed liquor A after the quality of the epoxy resin described in step 5 and supersound process is 1g:(0.2mL ~ 1.5mL);
Six, supersound process: mixture B is carried out supersound process, obtains the mixture B after supersound process;
Seven, curing molding: quadrol or polymeric amide are joined in the mixture B after supersound process, then stir 10min ~ 30min under rotating speed is 100r/min ~ 300r/min, obtains the Wave suction composite material as coating or packing layer;
The mass ratio of the mixture B epoxy resin after the quadrol described in step 7 and supersound process is (7 ~ 8): 100;
The mass ratio of the mixture B epoxy resin after the polymeric amide described in step 7 and supersound process is (0.6 ~ 1): 1.
The advantage of present embodiment: one, a kind of Wave suction composite material technological operation as coating or packing layer of preparing of present embodiment is simple, and equipment used is this area conventional instrument, and process cycle is short, lower to the requirement of process environments, with low cost;
Two, the absorbing property of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment is excellent, take resin as matrix, the light specific gravity of a kind of Wave suction composite material as coating or packing layer making preparation, the suction wavestrip of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment is wide compare before traditional absorbing material have significantly broadening, the suction ripple frequency range of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment accounts for 75% ~ 85% of full frequency band, with traditional absorbing material inhale ripple frequency range account for full frequency band 30% ~ 60% compared with improve 30% ~ 160%, the suction wavelength-division shellfish of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment compares traditional Electromagnetic Wave-absorbing Carbon Nanotubes also has lifting, the maximum suction wavelength-division shellfish of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment is-23dB ~-25dB, improves 20% ~ 60% compared with the maximum suction wavelength-division shellfish-15dB ~ 20dB of traditional single carbon nanotube, in addition, inhale the protection that ripple reinforcement is subject to resin matrix, the stability of a kind of Wave suction composite material absorbing property as coating or packing layer prepared by present embodiment is better,
Three, a kind of Wave suction composite material as coating or packing layer that prepared by present embodiment can be coated in any composite layer or be filled into any composite material interlayer, makes any matrix material after coating and any matrix material after filling all have excellent absorbing property; Simple glass fiber-reinforced resin matrix compound material structure does not almost inhale the character of ripple, and is filled with a kind of Wave suction composite material as coating or packing layer prepared by present embodiment and has obvious absorbing property;
Four, a kind of Wave suction composite material as coating or packing layer that prepared by present embodiment can be used for aerospace, communication, military field.
Present embodiment can obtain a kind of Wave suction composite material as coating or packing layer.
Embodiment two: present embodiment and embodiment one difference are: the dispersion solvent described in step one is dehydrated alcohol, acetone, 1-Methyl-2-Pyrrolidone, dimethyl sulfoxide (DMSO) or dimethyl formamide.Other steps are identical with embodiment one.
Embodiment three: one of present embodiment and embodiment one or two difference is: the carbon nanotube described in step 2 is Single Walled Carbon Nanotube or multi-walled carbon nano-tubes.Other steps are identical with embodiment one or two.
Embodiment four: one of present embodiment and embodiment one to three difference is: the Ball milling process described in step 3 is (3 ~ 10) at ball material mass ratio: 1 and rotational speed of ball-mill be the condition of 15r/min ~ 40r/min under carry out Ball milling process 20min ~ 90min.Other steps are identical with embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four difference is: the supersound process described in step 4 adopts power to be the water bath sonicator process 30min ~ 90min of 100W ~ 240W.Other steps are identical with embodiment one to four.
Embodiment six: one of present embodiment and embodiment one to five difference is: the epoxy resin described in step 5 is epoxy resin E51.Other steps are identical with embodiment one to five.
Embodiment seven: one of present embodiment and embodiment one to six difference is: the supersound process described in step 6 adopts power to be the water bath sonicator process 60min ~ 120min of 200W ~ 350W.Other steps are identical with embodiment one to six.
Embodiment eight: one of present embodiment and embodiment one to seven difference is: the polymeric amide described in step 7 is polyamide 6 50.Other steps are identical with embodiment one to seven.
Embodiment nine: one of present embodiment and embodiment one to eight difference is: quadrol or polymeric amide are joined in the mixture B after supersound process in step 7, under rotating speed is 200r/min ~ 300r/min, stir 20min ~ 30min again, obtain a kind of Wave suction composite material as coating or packing layer.Other steps are identical with embodiment one to eight.
Embodiment ten: present embodiment is that a kind of Wave suction composite material as coating or packing layer can be coated in composite material surface as coating or be filled in composite structure interlayer as packing layer.
The advantage of present embodiment: one, a kind of Wave suction composite material technological operation as coating or packing layer of preparing of present embodiment is simple, and equipment used is this area conventional instrument, and process cycle is short, lower to the requirement of process environments, with low cost;
Two, the absorbing property of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment is excellent, take resin as matrix, the light specific gravity of a kind of Wave suction composite material as coating or packing layer making preparation, the suction wavestrip of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment is wide compare before traditional absorbing material have significantly broadening, the suction ripple frequency range of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment accounts for 75% ~ 85% of full frequency band, with traditional absorbing material inhale ripple frequency range account for full frequency band 30% ~ 60% compared with improve 30% ~ 160%, the suction wavelength-division shellfish of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment compares traditional Electromagnetic Wave-absorbing Carbon Nanotubes also has lifting, the maximum suction wavelength-division shellfish of a kind of Wave suction composite material as coating or packing layer prepared by present embodiment is-23dB ~-25dB, improves 20% ~ 60% compared with the maximum suction wavelength-division shellfish-15dB ~ 20dB of traditional single carbon nanotube, in addition, inhale the protection that ripple reinforcement is subject to resin matrix, the stability of a kind of Wave suction composite material absorbing property as coating or packing layer prepared by present embodiment is better,
Three, a kind of Wave suction composite material as coating or packing layer that prepared by present embodiment can be coated in any composite layer or be filled into any composite material interlayer, makes any matrix material after coating and any matrix material after filling all have excellent absorbing property; Simple glass fiber-reinforced resin matrix compound material structure does not almost inhale the character of ripple, and is filled with a kind of Wave suction composite material as coating or packing layer prepared by present embodiment and has obvious absorbing property;
Four, a kind of Wave suction composite material as coating or packing layer that prepared by present embodiment can be used for aerospace, communication, military field.
Present embodiment can obtain a kind of Wave suction composite material as coating or packing layer.
Adopt following verification experimental verification beneficial effect of the present invention:
Test one: a kind of preparation method of the Wave suction composite material as coating or packing layer completes according to the following steps:
One, prepare polyethylene glycol 6000/dispersion solvent mixed solution: mixed with dispersion solvent by polyethylene glycol 6000, be stir 30min under the condition of 300r/min at rotating speed, obtain polyethylene glycol 6000/dispersion solvent mixed solution;
Dispersion solvent described in step one is dehydrated alcohol;
In polyethylene glycol 6000 described in step one/dispersion solvent mixed solution, the concentration of polyethylene glycol 6000 is 0.04g/mL;
Two, mixed liquor A is prepared: be the lanthanum oxide powder of 20nm ~ 60nm by carbon nanotube, particle diameter, to be the metallic nickel powder of 1 μm ~ 3 μm and particle diameter be particle diameter that the ytterbium oxide powder of 2 μm ~ 4 μm joins in polyethylene glycol 6000/dispersion solvent mixed solution, obtains mixed liquor A;
The volume ratio of the quality of the carbon nanotube described in step 2 and polyethylene glycol 6000/dispersion solvent mixed solution is 1g:55mL;
Particle diameter described in step 2 is the quality of the lanthanum oxide powder of 20nm ~ 60nm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:400mL;
Particle diameter described in step 2 is the quality of the metallic nickel powder of 1 μm ~ 3 μm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:143mL;
Particle diameter described in step 2 is the quality of the ytterbium oxide powder of 2 μm ~ 4 μm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:125mL;
Three, ball milling: carry out Ball milling process to mixed liquor A, obtains the mixed liquor A after Ball milling;
Ball milling process described in step 3 is be 6:1 and rotational speed of ball-mill be the condition of 20r/min at ball material mass ratio under carry out Ball milling process 40min;
Four, supersound process: the mixed liquor A after Ball milling is carried out supersound process, obtains the mixed liquor A after supersound process;
Supersound process described in step 4 adopts power to be the water bath sonicator process 60min of 180W;
Five, prepare mixture B: joined by epoxy resin E51 in the mixed liquor A after supersound process, low whipping speed is stir 30min under the condition of 200r/min, obtains mixture B;
The volume ratio of the mixed liquor A after the quality of the epoxy resin E51 described in step 5 and supersound process is 1g:0.56mL;
Six, supersound process: mixture B is carried out supersound process, obtains the mixture B after supersound process;
Supersound process described in step 6 adopts power to be the water bath sonicator process 90min of 250W;
Seven, curing molding: joined by polyamide 6 50 in the mixture B after supersound process, then stir 30min under rotating speed is 300r/min, obtains the Wave suction composite material as coating or packing layer;
The mass ratio of the mixture B epoxy resin after polyamide 6 described in step 7 50 and supersound process is 0.65:1.
Test two: the applying detection as the Wave suction composite material of coating or packing layer:
The Wave suction composite material as coating or packing layer test one prepared is filled in the interlayer of galss fiber reinforced resin based composites truss core structure, places 24h at ambient temperature, curing molding.
The quality of the galss fiber reinforced resin based composites truss core structure of a kind of Wave suction composite material as coating or packing layer prepared by non-filling test one is 47.3g, a kind of Wave suction composite material as coating or packing layer of test one preparation is 213.5g as the quality after Sandwich filling to galss fiber reinforced resin based composites truss core structure, a kind of Wave suction composite material as coating or packing layer of test one preparation is as interlayer, and thickness is 15mm.
Network vector analyser is used to test to galss fiber reinforced resin based composites truss core structure as Sandwich filling a kind of Wave suction composite material as coating or packing layer prepared by test one, as shown in Figure 1, Fig. 1 is a kind of Wave suction composite material as coating or packing layer prepared by test one is filled into galss fiber reinforced resin based composites truss core structure 2.99GHz ~ 18.00GHz full frequency band reflection decibel as laminboard layer; As can be seen from Figure 1, in 2.99-18.00GHz full frequency band reflection decibel, there are three troughs; In first trough, inhale wavestrip wide (<-5dB) and be about 2.55GHz, scope is at about 4.24-6.79GHz; In second trough, inhale wavestrip wide (<-5dB) and be about 3.75GHz, about scope 8.06-11.81GHz; In 3rd trough, inhale wavestrip wide (<-5dB) and be about 5.66GHz, scope is at about 12.34-18.00GHz; Overall suction wavestrip wide (<-5dB) reaches 11.96GHz, accounts for 80% of whole test frequency, with traditional absorbing material inhale ripple frequency range account for full frequency band 30% ~ 60% compared with, improve 30% ~ 160%; Its suction wavelength-division shellfish compares traditional Electromagnetic Wave-absorbing Carbon Nanotubes also has lifting, a kind of Wave suction composite material as coating or packing layer of test one preparation is filled into the maximum suction wavelength-division shellfish of galss fiber reinforced resin based composites truss core structure for-23.78dB as laminboard layer, compared with the maximum suction wavelength-division shellfish-15dB ~ 20dB of traditional single carbon nanotube, improve 20% ~ 60%.
Use network vector analyser to be filled into galss fiber reinforced resin based composites truss core structure to a kind of Wave suction composite material as coating or packing layer prepared by test one as laminboard layer to test, as shown in Figure 2, Fig. 2 is a kind of Wave suction composite material as coating or packing layer prepared by test one is filled into galss fiber reinforced resin based composites truss core structure 2.99GHz ~ 18.00GHz full frequency band electromagnetic consumable per-cent as laminboard layer.As can be seen from Figure 2, along with the increase of frequency, electromagnetic consumable is also in increase; In the process increased, create three crests, the frequency of three loss crests is respectively: 4.74GHz ~ 4.77GHz, 10.80GHz ~ 10.90GHz and 15.26GHz ~ 15.30GHz; The electromagnetic consumable per-cent of its correspondence is respectively: 37.5%, 47.4% and 60.6%.A kind of Wave suction composite material as coating or packing layer of test one preparation is filled into the suction ripple loss of galss fiber reinforced resin based composites truss core structure compared with the absorption loss 35% of traditional absorbing material as laminboard layer, improves about 20%.
Claims (9)
1., as a preparation method for the Wave suction composite material of coating or packing layer, it is characterized in that a kind of preparation method of the Wave suction composite material as coating or packing layer completes according to the following steps:
One, prepare polyethylene glycol 6000/dispersion solvent mixed solution: mixed with dispersion solvent by polyethylene glycol 6000, be stir 15min ~ 30min under the condition of 200r/min ~ 400r/min at rotating speed, obtain polyethylene glycol 6000/dispersion solvent mixed solution;
In polyethylene glycol 6000 described in step one/dispersion solvent mixed solution, the concentration of polyethylene glycol 6000 is 0.01g/mL ~ 0.1g/mL;
Two, mixed liquor A is prepared: be the lanthanum oxide powder of 20nm ~ 60nm by carbon nanotube, particle diameter, to be the metallic nickel powder of 1 μm ~ 3 μm and particle diameter be particle diameter that the ytterbium oxide powder of 2 μm ~ 4 μm joins in polyethylene glycol 6000/dispersion solvent mixed solution, obtains mixed liquor A;
The volume ratio of the quality of the carbon nanotube described in step 2 and polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(16mL ~ 150mL);
Particle diameter described in step 2 is the quality of the lanthanum oxide powder of 20nm ~ 60nm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(140mL ~ 1500mL);
Particle diameter described in step 2 is the quality of the metallic nickel powder of 1 μm ~ 3 μm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(50mL ~ 375mL);
Particle diameter described in step 2 is the quality of the ytterbium oxide powder of 2 μm ~ 4 μm and the volume ratio of polyethylene glycol 6000/dispersion solvent mixed solution is 1g:(45mL ~ 300mL);
Three, ball milling: carry out Ball milling process to mixed liquor A, obtains the mixed liquor A after Ball milling;
Four, supersound process: the mixed liquor A after Ball milling is carried out supersound process, obtains the mixed liquor A after supersound process;
Five, prepare mixture B: joined by epoxy resin in the mixed liquor A after supersound process, low whipping speed is stir 15min ~ 30min under the condition of 200r/min ~ 400r/min, obtains mixture B;
The volume ratio of the mixed liquor A after the quality of the epoxy resin described in step 5 and supersound process is 1g:(0.2mL ~ 1.5mL);
Six, supersound process: mixture B is carried out supersound process, obtains the mixture B after supersound process;
Seven, curing molding: quadrol or polymeric amide are joined in the mixture B after supersound process, then stir 10min ~ 30min under rotating speed is 100r/min ~ 300r/min, obtains the Wave suction composite material as coating or packing layer;
The mass ratio of the mixture B epoxy resin after the quadrol described in step 7 and supersound process is (7 ~ 8): 100;
The mass ratio of the mixture B epoxy resin after the polymeric amide described in step 7 and supersound process is (0.6 ~ 1): 1.
2. the preparation method of a kind of Wave suction composite material as coating or packing layer according to claim 1, is characterized in that the dispersion solvent described in step one is dehydrated alcohol, acetone, 1-Methyl-2-Pyrrolidone, dimethyl sulfoxide (DMSO) or dimethyl formamide.
3. the preparation method of a kind of Wave suction composite material as coating or packing layer according to claim 1, is characterized in that the carbon nanotube described in step 2 is Single Walled Carbon Nanotube or multi-walled carbon nano-tubes.
4. the preparation method of a kind of Wave suction composite material as coating or packing layer according to claim 1, the Ball milling process that it is characterized in that described in step 3 is (3 ~ 10) at ball material mass ratio: 1 and rotational speed of ball-mill be the condition of 15r/min ~ 40r/min under carry out Ball milling process 20min ~ 90min.
5. the preparation method of a kind of Wave suction composite material as coating or packing layer according to claim 1, the supersound process that it is characterized in that described in step 4 adopts power to be the water bath sonicator process 30min ~ 90min of 100W ~ 240W.
6. the preparation method of a kind of Wave suction composite material as coating or packing layer according to claim 1, is characterized in that the epoxy resin described in step 5 is epoxy resin E51.
7. the preparation method of a kind of Wave suction composite material as coating or packing layer according to claim 1, the supersound process that it is characterized in that described in step 6 adopts power to be the water bath sonicator process 60min ~ 120min of 200W ~ 350W.
8. the preparation method of a kind of Wave suction composite material as coating or packing layer according to claim 1, is characterized in that the polymeric amide described in step 7 is polyamide 6 50.
9. the preparation method of a kind of Wave suction composite material as coating or packing layer according to claim 1, it is characterized in that quadrol or polymeric amide being joined in the mixture B after supersound process in step 7, under rotating speed is 200r/min ~ 300r/min, stir 20min ~ 30min again, obtain a kind of Wave suction composite material as coating or packing layer.
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| CN101585959A (en) * | 2008-05-21 | 2009-11-25 | 中国科学院理化技术研究所 | Conductive polymer wave-absorbing material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101585959A (en) * | 2008-05-21 | 2009-11-25 | 中国科学院理化技术研究所 | Conductive polymer wave-absorbing material |
| CN101760961A (en) * | 2009-12-18 | 2010-06-30 | 哈尔滨工业大学 | Method for preparing triangle-section polyacrylonitrile-based carbon fiber structural wave-absorbing material |
| CN103725080A (en) * | 2013-12-19 | 2014-04-16 | 四川师范大学 | Coating-type ferrocenyl polymer magnet-semiconductor complex composite wave absorbing material and preparation method |
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