CN103093844A - Polyethylene composite material mixed with carbon nano tube and nanometer tantalum and used for space charged particle radiation protection and preparation method and application thereof - Google Patents
Polyethylene composite material mixed with carbon nano tube and nanometer tantalum and used for space charged particle radiation protection and preparation method and application thereof Download PDFInfo
- Publication number
- CN103093844A CN103093844A CN2013100212778A CN201310021277A CN103093844A CN 103093844 A CN103093844 A CN 103093844A CN 2013100212778 A CN2013100212778 A CN 2013100212778A CN 201310021277 A CN201310021277 A CN 201310021277A CN 103093844 A CN103093844 A CN 103093844A
- Authority
- CN
- China
- Prior art keywords
- parts
- nanometer
- charged particle
- tantalum
- radiation protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses polyethylene composite material mixed with a carbon nano tube and nanometer tantalum and used for space charged particle radiation protection, a preparation method and application of the polyethylene composite material mixed with the carbon nano tube and the nanometer tantalum and used for the space charged particle radiation protection, and relates to the field of composite materials used for the space charged particle radiation protection and a preparation of the composite materials used for the space charged particle radiation protection. The problems that in radiation protection materials prepared and obtained by an existing radiation protection material method, an aluminum protection layer is large in density, and therefore using weight is large, polyethylene is adopted as the radiation protection materials, heat stability of the polyethylene is poor, and using range of the polyethylene is limited are solved. The polyethylene composite material mixed with the carbon nano tube and the nanometer tantalum and used for the space charged particle radiation protection is prepared by polyethylene resin, the carbon nano tube, the nanometer tantalum and coupling reagents. The preparation method comprises a first step of mixing the carbon nano tube, the nanometer tantalum and the coupling reagents to obtain a modified carbon nano tube and modified nanometer tantalum, and a second step of carrying out hot-pressing after mixing the modified carbon nano tube, the modified nanometer tantalum and the polyethylene resin. The material is used for defending space protons and electron radiation. The polyethylene composite material mixed with the carbon nano tube and the nanometer tantalum and used for the space charged particle radiation protection, the preparation method and the application of the polyethylene composite material mixed with the carbon nano tube and the nanometer tantalum and used for the space charged particle radiation protection are suitable for the field of the radiation protection.
Description
Technical field
The present invention relates to the field for radiation proof compound substance of space charged particle and its preparation method and application.
Background technology
For the design of spacecraft, the space charged particle radiation protection material is important research topic all the time, and traditional radiation protection material is take aluminium as main.In order to reach radiation-proof effect, must increase the thickness of aluminium protective layer, thereby the weight of spacecraft is increased, the spacecraft lightweight problem is the hot issue that designers pay close attention to always.Studies show that, hydrogeneous light element is more effective than heavy element aspect the opposing radiation damage, that is to say that radiation protection efficient is along with the reduction of atomic number is increase trend.In theory, liquid hydrogen has best protection efficiency, but during practical application and infeasible, can be with the hydrogen content of material as a standard weighing material protection efficient.
Contain a carbon atom, two hydrogen atoms in the tygon molecule, have very high hydrogen richness, therefore have higher radiation protection efficient.Yet, existing radiation protection material method prepare at the polythene radiation protection material time, because its thermal stability is relatively poor, seriously restrict its usable range.
Summary of the invention
The present invention will solve the radiation protection material that existing radiation protection material method prepares, the aluminium protective layer exists density large and cause the weight used large, exist because its thermal stability is relatively poor when adopting polythene material as radiation protection material, the problem of serious its usable range of restriction is used for composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum and its preparation method and application and provide.
Being used for the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, is to be prepared from by the polyvinyl resin of 1 part ~ 100 parts, the carbon nano-tube of 1 part ~ 10 parts, the nanometer tantalum of 5 parts ~ 50 parts and the coupling agent of 0.5 part ~ 20 parts by weight.
Be used for the preparation method of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, specifically carry out according to the following steps:
One, take by weight the polyvinyl resin of 1 part ~ 100 parts, the carbon nano-tube of 1 part ~ 10 parts, the nanometer tantalum of 5 parts ~ 50 parts, the coupling agent of 0.5 part ~ 20 parts and the ethanol of 2 parts ~ 5 parts;
Two, after the carbon nano-tube that step 1 is taken and nanometer tantalum mix, join in the ethanol that step 1 takes, Uniform Dispersion obtains the mixed liquor of homodisperse carbon nano-tube and nanometer tantalum;
Three, in the homodisperse carbon nano-tube that obtains to step 2 and the mixed liquor of nanometer tantalum, the coupling agent that adds step 1 to take is at the temperature of 50 ℃ ~ 140 ℃, with the stir speed (S.S.) of 80r/min ~ 120r/min, stir 1h ~ 15h, then, filter, dry, obtain solid mixture;
Four, the solid mixture that the polyvinyl resin that step 1 is taken and step 3 obtain mixes, then, under the 175 ℃ ~ temperature of 240 ℃ and the mechanical pressure of 5MPa ~ 45MPa, compacting 1min ~ 40min namely obtains the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum.
Being used for the application of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, is that this material is used for protective zone proton and electron irradiation.
The present invention has the following advantages:
One, the radiation protection material for preparing of the preparation method of the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum provided by the invention, that tygon is as radiation protection material due to what adopt, its density is reduced greatly, effectively solved the large drawback of aluminium protective layer weight;
Two, the radiation protection material for preparing of the preparation method of the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum provided by the invention, due to carbon nano-tube and the nanometer tantalum of having adulterated, make composite polyethylene material be greatly improved with respect to pure poly thermal stability, improved 10% ~ 40%;
Three, the radiation protection material for preparing of the preparation method of the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum provided by the invention is when being applied to protective zone proton and electron irradiation, absorb the dosage that passes after material through detector after electron irradiation, reduced by 0.1 times ~ 0.5 times with respect to fine aluminium, protection proton efficient has improved 35% ~ 65% with respect to fine aluminium.
Description of drawings
Fig. 1 carries out the thermogravimetric analysis comparison diagram for testing a radiation protection material I that obtains and existing pure tygon.Wherein, solid line is the radiation protection material I, and dotted line is pure tygon.
Fig. 2 carries out the electron irradiation comparison diagram for testing a radiation protection material I that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material I, and dotted line is fine aluminium.
Fig. 3 carries out proton irradiation protection comparison diagram for testing a radiation protection material II that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material II, and dotted line is fine aluminium.
Fig. 4 carries out the thermogravimetric analysis comparison diagram for testing a radiation protection material II that obtains and existing pure tygon.Wherein, solid line is the radiation protection material II, and dotted line is pure tygon.
Fig. 5 carries out the electron irradiation comparison diagram for testing a radiation protection material II that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material II, and dotted line is fine aluminium.
Fig. 6 carries out proton irradiation protection comparison diagram for testing a radiation protection material II that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material II, and dotted line is fine aluminium.
Fig. 7 carries out the thermogravimetric analysis comparison diagram for testing a radiation protection material III that obtains and existing pure tygon.Wherein, solid line is the radiation protection material III, and dotted line is pure tygon.
Fig. 8 carries out the electron irradiation comparison diagram for testing a radiation protection material III that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material III, and dotted line is fine aluminium.
Fig. 9 carries out proton irradiation protection comparison diagram for testing a radiation protection material III that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material III, and dotted line is fine aluminium.
Embodiment
Embodiment one: present embodiment is the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, is by weight to be prepared from by the polyvinyl resin of 1 part ~ 100 parts, the carbon nano-tube of 1 part ~ 10 parts, the nanometer tantalum of 5 parts ~ 50 parts and the coupling agent of 0.5 part ~ 20 parts.
The composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum of present embodiment has added carbon nano-tube, can prevent better the tygon cracking, improves the protection proton effect of this material.Simultaneously, add tantalum in composite polyethylene material, because the density of tantalum is large, when electron impact arrives material, be easy to larger scattering occurs, made the energy loss of electronics in material increase, improved the effect of this material protection electronics.
Present embodiment has the following advantages: the radiation protection material that the preparation method of the composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum that, present embodiment provides prepares, that tygon is as radiation protection material due to what adopt, its density is reduced greatly, effectively solved the large drawback of aluminium protective layer weight; The radiation protection material that the preparation method of the composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum that two, present embodiment provides prepares, due to carbon nano-tube and the nanometer tantalum of having adulterated, make composite polyethylene material be greatly improved with respect to pure poly thermal stability, improved 10% ~ 40%; The radiation protection material that the preparation method of the composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum that three, present embodiment provides prepares is when being applied to protective zone proton and electron irradiation, absorb the dosage that passes after material through detector after electron irradiation, reduced by 0.1 times ~ 0.5 times with respect to fine aluminium, protection proton efficient has improved 35% ~ 65% with respect to fine aluminium.
Embodiment two: the difference of present embodiment and embodiment one is: described compound substance is to be prepared from by the polyvinyl resin of 20 parts ~ 95 parts, the carbon nano-tube of 4 parts ~ 6 parts, the nanometer tantalum of 5 parts ~ 40 parts and the coupling agent of 1 part ~ 15 parts by weight.Other is identical with embodiment one.
Embodiment three: present embodiment and embodiment one or twos' difference is: the density of described polyvinyl resin is 0.900g/cm
3~ 0.980g/cm
3Other is identical with embodiment one or two.
Embodiment four: the difference of one of present embodiment and embodiment one to three is: the particle size of described carbon nano-tube is 0.001 μ m ~ 1 μ m; The particle size of described nanometer tantalum is 0.001 μ m ~ 1 μ m.Other is identical with embodiment one to three.
Embodiment five: the difference of one of present embodiment and embodiment one to four is: described coupling agent is titanate coupling agent or aluminate coupling agent.Other is identical with embodiment one to four.
Embodiment six: present embodiment is for the preparation method of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, specifically carries out according to the following steps:
One, take by weight the polyvinyl resin of 1 part ~ 100 parts, the carbon nano-tube of 1 part ~ 10 parts, the nanometer tantalum of 5 parts ~ 50 parts, the coupling agent of 0.5 part ~ 20 parts and the ethanol of 2 parts ~ 5 parts;
Two, after the carbon nano-tube that step 1 is taken and nanometer tantalum mix, join in the ethanol that step 1 takes, Uniform Dispersion obtains the mixed liquor of homodisperse carbon nano-tube and nanometer tantalum;
Three, in the homodisperse carbon nano-tube that obtains to step 2 and the mixed liquor of nanometer tantalum, the coupling agent that adds step 1 to take is at the temperature of 50 ℃ ~ 140 ℃, with the stir speed (S.S.) of 80r/min ~ 120r/min, stir 1h ~ 15h, then, filter, dry, obtain solid mixture;
Four, the solid mixture that the polyvinyl resin that step 1 is taken and step 3 obtain mixes, then, under the 175 ℃ ~ temperature of 240 ℃ and the mechanical pressure of 5MPa ~ 45MPa, compacting 1min ~ 40min namely obtains the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum.
The composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum of present embodiment has added carbon nano-tube, can prevent better the tygon cracking, improves the protection proton effect of this material.Simultaneously, add tantalum in composite polyethylene material, because the density of tantalum is large, when electron impact arrives material, be easy to larger scattering occurs, made the energy loss of electronics in material increase, improved the effect of this material protection electronics.
Present embodiment has the following advantages: the radiation protection material that the preparation method of the composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum that, present embodiment provides prepares, that tygon is as radiation protection material due to what adopt, its density is reduced greatly, effectively solved the large drawback of aluminium protective layer weight; The radiation protection material that the preparation method of the composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum that two, present embodiment provides prepares, due to carbon nano-tube and the nanometer tantalum of having adulterated, make composite polyethylene material be greatly improved with respect to pure poly thermal stability, improved 10% ~ 40%; The radiation protection material that the preparation method of the composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum that three, present embodiment provides prepares is when being applied to protective zone proton and electron irradiation, absorb the dosage that passes after material through detector after electron irradiation, reduced by 0.1 times ~ 0.5 times with respect to fine aluminium, protection proton efficient has improved 35% ~ 65% with respect to fine aluminium.
Embodiment seven: the difference of present embodiment and embodiment six is: in described step 1 for take by weight 20 parts ~ 95 parts polyvinyl resin, 4 parts ~ 6 parts carbon nano-tube, 5 parts ~ 40 parts the nanometer tantalum, 1 part ~ 15 parts coupling agent and and the ethanol of 3 parts ~ 5 parts be prepared from.Other is identical with embodiment six.
Embodiment eight: present embodiment and embodiment six or sevens' difference is: the density of the polyvinyl resin that takes in described step 1 is 0.900g/cm
3~ 0.980g/cm
3Other is identical with embodiment six or seven.
Embodiment nine: the difference of one of present embodiment and embodiment six to eight is: the particle size of the carbon nano-tube that takes in described step 1 is 0.001 μ m ~ 1 μ m; The particle size of the nanometer tantalum in described step 1 is 0.001 μ m ~ 1 μ m.Other is identical with embodiment six to eight.
Embodiment ten: the difference of one of present embodiment and embodiment six to nine is: the coupling agent that takes in described step 1 is titanate coupling agent or aluminate coupling agent.Other is identical with embodiment six to nine.
Embodiment 11: present embodiment provides the application that is used for the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, is that this material is used for protective zone proton and electron irradiation.
The composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum of present embodiment has added carbon nano-tube, can prevent better the tygon cracking, improves the protection proton effect of this material.Simultaneously, add tantalum in composite polyethylene material, because the density of tantalum is large, when electron impact arrives material, be easy to larger scattering occurs, made the energy loss of electronics in material increase, improved the effect of this material protection electronics.
Present embodiment has the following advantages: the radiation protection material that the preparation method of the composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum that, present embodiment provides prepares, that tygon is as radiation protection material due to what adopt, its density is reduced greatly, effectively solved the large drawback of aluminium protective layer weight; The radiation protection material that the preparation method of the composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum that two, present embodiment provides prepares, due to carbon nano-tube and the nanometer tantalum of having adulterated, make composite polyethylene material be greatly improved with respect to pure poly thermal stability, improved 10% ~ 40%; The radiation protection material that the preparation method of the composite polyethylene material that is used for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum that three, present embodiment provides prepares is when being applied to protective zone proton and electron irradiation, absorb the dosage that passes after material through detector after electron irradiation, reduced by 0.1 times ~ 0.5 times with respect to fine aluminium, protection proton efficient has improved 35% ~ 65% with respect to fine aluminium.
Adopt following verification experimental verification effect of the present invention:
Test one: be used for the preparation method of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, specifically carry out according to the following steps:
One, take by weight the polyvinyl resin of 84 parts, the carbon nano-tube of 5 parts, the nanometer tantalum of 10 parts, the titanate coupling agent of 1 part and the ethanol of 3 parts; Wherein, the density of polyvinyl resin is 0.920g/cm
3, the particle diameter of carbon nano-tube is 0.05 μ m, the particle diameter of nanometer tantalum is 0.05 μ m;
Two, after the carbon nano-tube that step 1 is taken and nanometer tantalum mix, join in the ethanol that step 1 takes, Uniform Dispersion obtains the mixed liquor of homodisperse carbon nano-tube and nanometer tantalum;
Three, in the homodisperse carbon nano-tube that obtains to step 2 and the mixed liquor of nanometer tantalum, the coupling agent that adds step 1 to take at the temperature of 80 ℃, with the stir speed (S.S.) of 100r/min, stirs 8h, then, filters, oven dry, obtains solid mixture;
Four, the solid mixture that the polyvinyl resin that step 1 is taken and step 3 obtain mixes, then, under the mechanical pressure of the temperature of 200 ℃ and 25MPa, constant temperature and pressure compacting 20min, obtain the radiation protection material I, namely completed the preparation that is used for the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum.
Carry out the thermogravimetric analysis test to testing a radiation protection material I that obtains and existing pure tygon, obtain Fig. 1.Fig. 1 carries out the thermogravimetric analysis comparison diagram for testing a radiation protection material I that obtains and existing pure tygon.Wherein, solid line is the radiation protection material I, and dotted line is pure tygon.Can obtain pure poly temperature of initial decomposition from Fig. 1 is 365 ℃, and the temperature of initial decomposition of radiation protection material I is 427 ℃, compares, and the thermal stability of radiation protection material I is compared pure tygon and improved 17.0%.
The method of described thermogravimetric analysis test is: get the radiation protection material I of 10mg and the existing pure tygon of 10mg; be placed in thermogravimetric/differential thermal analyzer; under nitrogen protection; heating rate with 10 ℃/min is warming up to 800 ℃ from room temperature; collect the real-time quality under different temperatures, draw real-time quality and initial mass than variation with temperature curve.
Carry out the test of electron irradiation Electron absorption dosage to testing a radiation protection material I that obtains and existing fine aluminium, obtain Fig. 2.Fig. 2 carries out the electron irradiation comparison diagram for testing a radiation protection material I that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material I, and dotted line is fine aluminium.From Fig. 2, can observe the dosage that electron irradiation radiation protection material I post dose detector absorbs under equal in quality thickness and reduce approximately 0.14 times with respect to fine aluminium.
The method of electron irradiation Electron absorption dosage test: will test a radiation protection material I that obtains or existing fine aluminium and be placed in high energy 1MeV electronics (model is high frequency high voltage electron accelerator, and flux is 1 * 10
10E/cm
2S, exposure time is 4000s) and the absorbed dose detector between, the incident electron energy immobilizes, the using dosage detector is collected the absorbed dose that electronics passes radiation protection material I or fine aluminium, take absorbed dose as ordinate, be figure take mass thickness as horizontal ordinate.The ratio that the 1MeV electronics is passed the difference of the absorbed dose after the radiation protection material I and radiation protection material I absorbed dose as the radiation protection material I to the electron irradiation protection efficiency.
Carry out the proton irradiation protection test to testing a radiation protection material I that obtains and existing fine aluminium, obtain Fig. 3.Fig. 3 carries out proton irradiation protection comparison diagram for testing a radiation protection material I that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material I, and dotted line is fine aluminium.From Fig. 3, the protection proton efficient that can observe radiation protection material I under equal in quality thickness has improved 53.84% with respect to fine aluminium.
The method of proton irradiation protection test: will test a radiation protection material I that obtains or fine aluminium and be placed between the proton source and energy-probe of EN-18 swindletron, the incident proton energy immobilizes, use energy-probe to collect proton and pass radiation protection material I or fine aluminium dump energy afterwards, the difference of projectile energy and dump energy is the energy that material absorbs, be compared to material to the protection efficiency of proton with what material absorbed energy and projectile energy, take protection efficiency as ordinate, be figure take mass thickness as horizontal ordinate.
Test two: be used for the preparation method of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, specifically carry out according to the following steps:
One, take by weight the polyvinyl resin of 73 parts, the carbon nano-tube of 5 parts, the nanometer tantalum of 20 parts, the coupling agent of 2 parts and the ethanol of 3 parts; Wherein, the density of polyvinyl resin is 0.920g/cm
3, the particle diameter of carbon nano-tube is 0.05 μ m, the particle diameter of nanometer tantalum is 0.05 μ m;
Two, after the carbon nano-tube that step 1 is taken and nanometer tantalum mix, join in the ethanol that step 1 takes, Uniform Dispersion obtains the mixed liquor of homodisperse carbon nano-tube and nanometer tantalum;
Three, in the homodisperse carbon nano-tube that obtains to step 2 and the mixed liquor of nanometer tantalum, the coupling agent that adds step 1 to take at the temperature of 80 ℃, with the stir speed (S.S.) of 100r/min, stirs 8h, then, filters, oven dry, obtains solid mixture;
Four, the solid mixture that the polyvinyl resin that step 1 is taken and step 3 obtain mixes, then, under the mechanical pressure of the temperature of 200 ℃ and 25MPa, constant temperature and pressure compacting 20min, obtain the radiation protection material II, namely completed the preparation that is used for the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum.
Carry out the thermogravimetric analysis test to testing the two radiation protection material II that obtain and existing pure tygon, obtain Fig. 4.Fig. 4 carries out the thermogravimetric analysis comparison diagram for testing a radiation protection material II that obtains and existing pure tygon.Wherein, solid line is the radiation protection material II, and dotted line is pure tygon.Can obtain pure poly temperature of initial decomposition from Fig. 4 is 365 ℃, and the temperature of initial decomposition of radiation protection material II is 438 ℃, compares, and the thermal stability of radiation protection material II is compared pure tygon and improved 20%.
Carry out the test of electron irradiation Electron absorption dosage to testing the two radiation protection material II that obtain and existing fine aluminium, obtain Fig. 5.Fig. 5 carries out the electron irradiation comparison diagram for testing a radiation protection material II that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material II, and dotted line is fine aluminium.From Fig. 5, can observe the dosage that electron irradiation radiation protection material II post dose detector absorbs under equal in quality thickness and reduce approximately 0.17 times with respect to fine aluminium.
Carry out the proton irradiation protection test to testing the two radiation protection material II that obtain and existing fine aluminium, obtain Fig. 3.Fig. 3 carries out proton irradiation protection comparison diagram for testing a radiation protection material II that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material II, and dotted line is fine aluminium.From Fig. 3, the protection proton efficient that can observe radiation protection material II under equal in quality thickness has improved 44.87% with respect to fine aluminium.
Test three: be used for the preparation method of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, specifically carry out according to the following steps:
One, take by weight the polyvinyl resin of 63 parts, the carbon nano-tube of 5 parts, the nanometer tantalum of 30 parts, the coupling agent of 1 part and the ethanol of 3 parts; Wherein, the density of polyvinyl resin is 0.920g/cm
3, the particle diameter of carbon nano-tube is 0.05 μ m, the particle diameter of nanometer tantalum is 0.05 μ m;
Two, after the carbon nano-tube that step 1 is taken and nanometer tantalum mix, join in the ethanol that step 1 takes, Uniform Dispersion obtains the mixed liquor of homodisperse carbon nano-tube and nanometer tantalum;
Three, in the homodisperse carbon nano-tube that obtains to step 2 and the mixed liquor of nanometer tantalum, the coupling agent that adds step 1 to take at the temperature of 80 ℃, with the stir speed (S.S.) of 100r/min, stirs 8h, then, filters, oven dry, obtains solid mixture;
Four, the solid mixture that the polyvinyl resin that step 1 is taken and step 3 obtain mixes, then, under the mechanical pressure of the temperature of 200 ℃ and 25MPa, constant temperature and pressure compacting 20min, obtain the radiation protection material III, namely completed the preparation that is used for the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum.
Carry out the thermogravimetric analysis test to testing the three radiation protection material III that obtain and existing pure tygon, obtain Fig. 7.Fig. 7 carries out the thermogravimetric analysis comparison diagram for testing the three radiation protection material III that obtain and existing pure tygon.Wherein, solid line is the radiation protection material III, and dotted line is pure tygon.Can obtain pure poly temperature of initial decomposition from Fig. 7 is 365 ℃, and the temperature of initial decomposition of radiation protection material III is 455 ℃, compares, and the thermal stability of radiation protection material III is compared pure tygon and improved 24.6%.
Carry out the test of electron irradiation Electron absorption dosage to testing the three radiation protection material III that obtain and existing fine aluminium, obtain Fig. 8.Fig. 8 carries out the electron irradiation comparison diagram for testing a radiation protection material III that obtains and existing fine aluminium.Wherein, solid line is the radiation protection material III, and dotted line is fine aluminium.From Fig. 8, can observe the dosage that electron irradiation radiation protection material III post dose detector absorbs under equal in quality thickness and reduce approximately 0.20 times with respect to fine aluminium.
Carry out the proton irradiation protection test to testing the three radiation protection material III that obtain and existing fine aluminium, obtain Fig. 9.Fig. 9 carries out proton irradiation protection comparison diagram for testing the three radiation protection material III that obtain and existing fine aluminium.Wherein, solid line is the radiation protection material III, and dotted line is fine aluminium.From Fig. 9, the protection proton efficient that can observe radiation protection material III under equal in quality thickness has improved 40.06% with respect to fine aluminium.
Claims (10)
1. be used for the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, it is characterized in that: compound substance is to be prepared from by the polyvinyl resin of 1 part ~ 100 parts, the carbon nano-tube of 1 part ~ 10 parts, the nanometer tantalum of 5 parts ~ 50 parts and the coupling agent of 0.5 part ~ 20 parts by weight.
2. the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum according to claim 1, it is characterized in that: described compound substance is to be prepared from by the polyvinyl resin of 20 parts ~ 95 parts, the carbon nano-tube of 4 parts ~ 6 parts, the nanometer tantalum of 5 parts ~ 40 parts and the coupling agent of 1 part ~ 15 parts by weight.
3. the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum according to claim 1 and 2, it is characterized in that: the density of described polyvinyl resin is 0.900g/cm
3~ 0.980g/cm
3
4. the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum according to claim 1 and 2, it is characterized in that: described coupling agent is titanate coupling agent or aluminate coupling agent.
5. prepare the method for the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum as claimed in claim 1, it is characterized in that, the preparation method specifically carries out according to the following steps:
One, take by weight the polyvinyl resin of 1 part ~ 100 parts, the carbon nano-tube of 1 part ~ 10 parts, the nanometer tantalum of 5 parts ~ 50 parts, the coupling agent of 0.5 part ~ 20 parts and the ethanol of 2 parts ~ 5 parts;
Two, after the carbon nano-tube that step 1 is taken and nanometer tantalum mix, join in the ethanol that step 1 takes, Uniform Dispersion obtains the mixed liquor of homodisperse carbon nano-tube and nanometer tantalum;
Three, in the homodisperse carbon nano-tube that obtains to step 2 and the mixed liquor of nanometer tantalum, the coupling agent that adds step 1 to take is at the temperature of 50 ℃ ~ 140 ℃, with the stir speed (S.S.) of 80r/min ~ 120r/min, stir 1h ~ 15h, then, filter, dry, obtain solid mixture;
Four, the solid mixture that the polyvinyl resin that step 1 is taken and step 3 obtain mixes, then, under the 175 ℃ ~ temperature of 240 ℃ and the mechanical pressure of 5MPa ~ 45MPa, compacting 1min ~ 40min namely obtains the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum.
6. the preparation method of the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum according to claim 5 is characterized in that: in described step 1 for take by weight 20 parts ~ 95 parts polyvinyl resin, 4 parts ~ 6 parts carbon nano-tube, 5 parts ~ 40 parts the nanometer tantalum, 1 part ~ 15 parts coupling agent and and the ethanol of 3 parts ~ 5 parts be prepared from.
7. the preparation method of according to claim 5 or 6 described composite polyethylene materials for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, it is characterized in that: the density of the polyvinyl resin that takes in described step 1 is 0.900g/cm
3~ 0.980g/cm
3
8. the preparation method of according to claim 5 or 6 described composite polyethylene materials for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, it is characterized in that: the particle size of the carbon nano-tube that takes in described step 1 is 0.001 μ m ~ 1 μ m; The particle size of the nanometer tantalum in described step 1 is 0.001 μ m ~ 1 μ m.
9. the preparation method of according to claim 5 or 6 described composite polyethylene materials for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum, it is characterized in that: the coupling agent that takes in described step 1 is titanate coupling agent or aluminate coupling agent.
10. the application of the composite polyethylene material for the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum as claimed in claim 1 it is characterized in that this material is used for protective zone proton and electron irradiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021277.8A CN103093844B (en) | 2013-01-21 | 2013-01-21 | For the application of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021277.8A CN103093844B (en) | 2013-01-21 | 2013-01-21 | For the application of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103093844A true CN103093844A (en) | 2013-05-08 |
| CN103093844B CN103093844B (en) | 2015-08-19 |
Family
ID=48206322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310021277.8A Active CN103093844B (en) | 2013-01-21 | 2013-01-21 | For the application of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103093844B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536947A (en) * | 2022-10-13 | 2022-12-30 | 上海卫星装备研究所 | Composite material for space charged particle radiation protection and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050211930A1 (en) * | 1998-12-07 | 2005-09-29 | Meridian Research And Development | Radiation detectable and protective articles |
| CN101385091A (en) * | 2004-12-20 | 2009-03-11 | 全盛研究与开发公司 | Radiation detectable and protective articles |
| CN101570606A (en) * | 2009-06-15 | 2009-11-04 | 北京化工大学 | Overall lead-free X-ray shielding rubber compound material |
| CN102867557A (en) * | 2012-10-09 | 2013-01-09 | 哈尔滨工业大学 | Boron nitride-polyethylene space radiation protection composite material and preparation method of composite material |
-
2013
- 2013-01-21 CN CN201310021277.8A patent/CN103093844B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050211930A1 (en) * | 1998-12-07 | 2005-09-29 | Meridian Research And Development | Radiation detectable and protective articles |
| CN101385091A (en) * | 2004-12-20 | 2009-03-11 | 全盛研究与开发公司 | Radiation detectable and protective articles |
| CN101570606A (en) * | 2009-06-15 | 2009-11-04 | 北京化工大学 | Overall lead-free X-ray shielding rubber compound material |
| CN102867557A (en) * | 2012-10-09 | 2013-01-09 | 哈尔滨工业大学 | Boron nitride-polyethylene space radiation protection composite material and preparation method of composite material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536947A (en) * | 2022-10-13 | 2022-12-30 | 上海卫星装备研究所 | Composite material for space charged particle radiation protection and preparation method thereof |
| CN115536947B (en) * | 2022-10-13 | 2023-08-11 | 上海卫星装备研究所 | Composite material for space charged particle radiation protection and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103093844B (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Harrison et al. | Polyethylene/boron nitride composites for space radiation shielding | |
| CN105482225B (en) | A kind of anti-nuclear radiation rare earth composite material and preparation method thereof | |
| CN109575606A (en) | A kind of neutron shielding material and preparation method thereof | |
| Zhang et al. | Ultrahigh molecular weight polyethylene fiber/boron nitride composites with high neutron shielding efficiency and mechanical performance | |
| CN102867557B (en) | A kind of preparation method of boron nitride-polyethylenespace space radiation protection compound substance | |
| CN107555850B (en) | Composite material for neutron radiation protection and preparation method and application thereof | |
| CN107236346A (en) | A kind of preparation method of radiation proof thermal insulation coatings | |
| CN104130546A (en) | Preparation method for nuclear radiation shielding material | |
| Huo et al. | Surface modified-gadolinium/boron/polyethylene composite with high shielding performance for neutron and gamma-ray | |
| CN103073773B (en) | For the composite polyethylene material and its preparation method and application of the radiation proof doped carbon nanometer pipe of Spacial Proton | |
| CN104409124A (en) | High-filling composite shielding material for radiation mixing fields and preparation method of high-filling composite shielding material | |
| Dong et al. | Preparation, shielding properties and mechanism of a novel neutron shielding material made from natural Szaibelyite resource | |
| CN103183928A (en) | High-temperature resisting shielding material with neutron shielding effect | |
| Mehelli et al. | Outstanding thermal neutrons shields based on epoxy, UHMWPE fibers and boron carbide particles | |
| Du et al. | Skeleton designable SGP/EA resin composites with integrated thermal conductivity, electromagnetic interference shielding, and mechanical performances | |
| Mehelli et al. | Development of lightweight and highly efficient fast neutrons composites shields based on epoxy, UHMWPE fibres and boron carbide particles | |
| CN103093844B (en) | For the application of the composite polyethylene material of the radiation proof doped carbon nanometer pipe of space charged particle and nanometer tantalum | |
| CN108912463B (en) | Gadolinium-based metal organic framework composite shielding material and preparation method thereof | |
| Li et al. | Study on the properties of boron-containing ores/epoxy composites for slow neutron shielding | |
| Mokhtari et al. | The shielding properties of the ordinary concrete reinforced with innovative nano polymer particles containing PbO–H3BO3 for dual protection against gamma and neutron radiations | |
| CN104103330A (en) | Nuclear radiation shielding material | |
| Li et al. | Influence analysis of B4C content on the neutron shielding performance of B4C/Al | |
| CN112812498A (en) | Preparation method of functionalized carbon nanotube modified resin-based composite radiation protection material | |
| CN103050162B (en) | A kind of nanometer tantalum/nm-class boron nitride-tygon space neutron shielding compound substance | |
| CN103971775A (en) | High temperature resistance neutron shield material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |