CN105111723A - Preparation method of magnetic boron nitride nanosheet/polyurethane composite material having ordered surface microstructure - Google Patents
Preparation method of magnetic boron nitride nanosheet/polyurethane composite material having ordered surface microstructure Download PDFInfo
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Abstract
The invention relates to a preparation method of a magnetic boron nitride nanosheet/polyurethane composite material, in particular to a preparation method of magnetic boron nitride nanosheet/polyurethane composite material having an ordered surface microstructure. The invention aims to provide the preparation method of the magnetic boron nitride nanosheet/polyurethane composite material having the ordered surface microstructure. The preparation method includes: 1, preparing intercalation boron nitride; 2, preparing boron nitride nanosheets; 3, preparing boron nitride nanosheets, to the surface of each which ferroferric oxide magnetic nanoparticles are carried; and 4, preparing the magnetic boron nitride nanosheet/polyurethane composite material having the ordered surface microstructure. The ordered composite material has excellent erosion wear resistance; compared with disorder boron nitride/polyurethane composite materials and pure polyurethane, the magnetic boron nitride nanosheet/polyurethane composite material has erosion wear resistance increased by 31.9% and 51.5%, respectively and is applicable to anti-erosion protective coatings. The magnetic boron nitride nanosheet/polyurethane composite material is applicable to processing and application of nanomaterials.
Description
Technical field
The present invention relates to the preparation method of a kind of magnetic boron nitride nanosheet/compound polyurethane material.
Background technology
Liquid or gaseous media carry small solids with certain speed and impact the surface of material and the wearing and tearing produced are referred to as erosive wear.The main easily worn part, Residue extraction pipeline, turbine blade etc. of ore dressing parts, flow passage components, boats and ships are all faced with serious erosion attack.Pertinent data is added up, and the loss that China causes due to erosion attack every year, up to 40,000,000,000 yuan, therefore, is badly in need of the knowledge of comprehensive promotion and application erosive wear.
Along with industrialized process, polymkeric substance and matrix material thereof demonstrate their superiority gradually, such as excellent erosion resistance, high chemical stability, damping sound absorption, low-friction coefficient, water lubricating and non-corrosive etc.The performance of these excellences makes polymkeric substance and matrix material be applied to Anti-erosion wearing and tearing field gradually, and has greatly the gesture of substituted metal material.
The influence factor of erosive wear is numerous, formation mechenism complex.The erosive wear behavior of what current existing research spininess was right is metal and matrix material thereof, and establish corresponding Erosion Wear Mechanisms model, but then considerably less for the research of the Erosive Properties of polymkeric substance and matrix material thereof, need further to explore and research.
By packing material align can be formed microstructure orderly, the matrix material with specific function, the orderly matrix material of this microstructure is expected to better be applied to Anti-erosion wearing and tearing field.At present, the highly malleablized modification that filler aligns as polymkeric substance provides more wide space, has become the study hotspot of field of nanocomposite materials.The present invention can design at composite propeller surface micro-structure, application in highly malleablized modification etc., also can be applicable to the preparation of microstructure ordered composite material, bionic composite material design etc.
Summary of the invention
The preparation method of the magnetic boron nitride nanosheet/compound polyurethane material that the object of the present invention is to provide a kind of surface micro-structure orderly.
The preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure of the present invention is orderly carries out according to the following steps:
One, the hexagonal boron nitride powder of 2 ~ 6g is added in the nitration mixture of 100mL ~ 500mL, it is 30 DEG C ~ 100 DEG C in temperature, rotating speed is under 1000rpm ~ 2000rpm, continuously stirring 10h ~ 50h, then cool, with deionized water dilution, it is neutral for repeating suction filtration, washing to filtrate, obtains intercalation boron nitride; Wherein, described nitration mixture is the dense H of 98% by mass concentration
2sO
4with the dense HNO that mass concentration is 95%
3be 1 ~ 3:1 composition by volume;
Two, intercalation boron nitride step one obtained is scattered in Virahol, under room temperature, supersound process 10h ~ 30h, then centrifugation 15min ~ 50min under rotating speed is 1500rpm ~ 6000rpm, get supernatant liquid, and with deionized water wash to neutral, dry at product being placed in 80 DEG C ~ 100 DEG C, obtain boron nitride nanosheet; The quality of the intercalation boron nitride that described step one obtains and the volume ratio of Virahol are 1mg:0.5 ~ 2mL;
Three, boron nitride nanosheet step 2 obtained and FeCl
24H
2o is scattered in deionized water, being placed in ultrasonic cleaning machine at hertz is 60kHz ~ 80kHz, supersound process 3h ~ 6h under power 180W ~ 200W, obtain boron nitride nanosheet dispersion liquid, then at room temperature, under rotating speed is 1000rpm ~ 2000rpm, the concentration slowly dripping 5mL ~ 20mL in boron nitride nanosheet dispersion liquid is the NaOH aqueous solution of 5mg/mL, and then drips the H that mass concentration is 5.0mg/mL
2o
2the aqueous solution, when solution changes black into by dusty blue, stop dripping, supersound process 5min again ~ 30min, carry out Magneto separate, product is used respectively washed with de-ionized water 2 ~ 4 times, washes of absolute alcohol 2 ~ 5 times, the vacuum drying oven being finally placed in 80 DEG C ~ 100 DEG C carries out drying, obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles; Wherein, the boron nitride nanosheet that described step 2 obtains and FeCl
24H
2the mass ratio of O is 1:(0.4 ~ 4); The quality of the boron nitride nanosheet that described step 2 obtains and the volume ratio of deionized water are (0.001 ~ 0.02) g:1mL;
Four, the N that boron nitride nanosheet step 3 being obtained area load ferroferric oxide magnetic nano-particles is dispersed in, in dinethylformamide, being placed in ultrasonic cleaning machine at hertz is 60kHz ~ 80kHz, supersound process 2h ~ 6h under power 180W ~ 200W, under nitrogen protection, the polybutylene glyool adipate of dehydration is joined in above-mentioned dispersion liquid, high speed shear 30min ~ 60min under the condition of 8000rpm ~ 15000rpm, then 4 are added, 4`-'-diphenylmethane diisocyanate, it is 50 ~ 80 DEG C in temperature, rotating speed is stirring reaction 0.5h ~ 3h under 1000rpm ~ 2000rpm, finally, 1 is added in reactor, 4-butyleneglycol, continue reaction 0.5h ~ 2h, stop stirring, remove nitrogen protection, reaction solution is poured into the Standard Module of preheating, the uniform magnetic field being placed in 0.4T ~ 1T leaves standstill 2h ~ 8h, evaporating solvent 12h ~ 24h under the condition of 60 DEG C ~ 80 DEG C, then 120 DEG C ~ 150 DEG C are warming up to, slaking 10 ~ 20h, room temperature is placed 1 week, obtain magnetic boron nitride nanosheet/compound polyurethane material that surface micro-structure is orderly, wherein, the volume ratio of quality and DMF that described step 3 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles is 1 ~ 20g:10 ~ 50mL, the mass ratio that described step 3 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles and the polybutylene glyool adipate of dehydration is 1 ~ 20:40 ~ 80, described step 3 obtains the boron nitride nanosheet and 4 of area load ferroferric oxide magnetic nano-particles, the mass ratio of 4`-'-diphenylmethane diisocyanate is 1 ~ 20:100, the mass ratio of boron nitride nanosheet and BDO that described step 3 obtains area load ferroferric oxide magnetic nano-particles is 1 ~ 20:20 ~ 60.
The present invention includes following beneficial effect:
The method preparing the orderly boron nitride/compound polyurethane material of microstructure provided by the invention, technique is simple, power consumption is few, and the ordered composite material obtained has excellent erosive resistance, relative to unordered boron nitride/compound polyurethane material, pure urethane, its erosive resistance improves 31.9%, 51.5% respectively, can be used for Anti-erosion protective coating.
Accompanying drawing explanation
Fig. 1 prepares the orderly magnetic boron nitride nanosheet/compound polyurethane material schematic diagram of surface micro-structure; Wherein, 1 is magnetic boron nitride nanosheet; 2 is urethane;
Fig. 2 be pure urethane, unordered boron nitride/compound polyurethane material and test one preparation the Wear rate of the orderly boron nitride/compound polyurethane material of surface micro-structure with the change curve of impact angle; Wherein, 1 is the change curve of Wear rate with impact angle of pure urethane; 1 is the change curve of Wear rate with impact angle of unordered boron nitride/compound polyurethane material; The Wear rate of the 3 orderly boron nitride/compound polyurethane materials of surface micro-structure prepared for test one is with the change curve of impact angle.
Embodiment
Embodiment one: the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure of present embodiment is orderly carries out according to the following steps:
One, the hexagonal boron nitride powder of 2 ~ 6g is added in the nitration mixture of 100mL ~ 500mL, it is 30 DEG C ~ 100 DEG C in temperature, rotating speed is under 1000rpm ~ 2000rpm, continuously stirring 10h ~ 50h, then cool, with deionized water dilution, it is neutral for repeating suction filtration, washing to filtrate, obtains intercalation boron nitride; Wherein, described nitration mixture is the dense H of 98% by mass concentration
2sO
4with the dense HNO that mass concentration is 95%
3be 1 ~ 3:1 composition by volume;
Two, intercalation boron nitride step one obtained is scattered in Virahol, under room temperature, supersound process 10h ~ 30h, then centrifugation 15min ~ 50min under rotating speed is 1500rpm ~ 6000rpm, get supernatant liquid, and with deionized water wash to neutral, dry at product being placed in 80 DEG C ~ 100 DEG C, obtain boron nitride nanosheet; The quality of the intercalation boron nitride that described step one obtains and the volume ratio of Virahol are 1mg:0.5 ~ 2mL;
Three, boron nitride nanosheet step 2 obtained and FeCl
24H
2o is scattered in deionized water, being placed in ultrasonic cleaning machine at hertz is 60kHz ~ 80kHz, supersound process 3h ~ 6h under power 180W ~ 200W, obtain boron nitride nanosheet dispersion liquid, then at room temperature, under rotating speed is 1000rpm ~ 2000rpm, the concentration slowly dripping 5mL ~ 20mL in boron nitride nanosheet dispersion liquid is the NaOH aqueous solution of 5mg/mL, and then drips the H that mass concentration is 5.0mg/mL
2o
2the aqueous solution, when solution changes black into by dusty blue, stop dripping, supersound process 5min again ~ 30min, carry out Magneto separate, product is used respectively washed with de-ionized water 2 ~ 4 times, washes of absolute alcohol 2 ~ 5 times, the vacuum drying oven being finally placed in 80 DEG C ~ 100 DEG C carries out drying, obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles; Wherein, the boron nitride nanosheet that described step 2 obtains and FeCl
24H
2the mass ratio of O is 1:(0.4 ~ 4); The quality of the boron nitride nanosheet that described step 2 obtains and the volume ratio of deionized water are (0.001 ~ 0.02) g:1mL;
Four, the N that boron nitride nanosheet step 3 being obtained area load ferroferric oxide magnetic nano-particles is dispersed in, in dinethylformamide, being placed in ultrasonic cleaning machine at hertz is 60kHz ~ 80kHz, supersound process 2h ~ 6h under power 180W ~ 200W, under nitrogen protection, the polybutylene glyool adipate of dehydration is joined in above-mentioned dispersion liquid, high speed shear 30min ~ 60min under the condition of 8000rpm ~ 15000rpm, then 4 are added, 4`-'-diphenylmethane diisocyanate, it is 50 ~ 80 DEG C in temperature, rotating speed is stirring reaction 0.5h ~ 3h under 1000rpm ~ 2000rpm, finally, 1 is added in reactor, 4-butyleneglycol, continue reaction 0.5h ~ 2h, stop stirring, remove nitrogen protection, reaction solution is poured into the Standard Module of preheating, the uniform magnetic field being placed in 0.4T ~ 1T leaves standstill 2h ~ 8h, evaporating solvent 12h ~ 24h under the condition of 60 DEG C ~ 80 DEG C, then 120 DEG C ~ 150 DEG C are warming up to, slaking 10 ~ 20h, room temperature is placed 1 week, obtain magnetic boron nitride nanosheet/compound polyurethane material that surface micro-structure is orderly, wherein, the volume ratio of quality and DMF that described step 3 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles is 1 ~ 20g:10 ~ 50mL, the mass ratio that described step 3 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles and the polybutylene glyool adipate of dehydration is 1 ~ 20:40 ~ 80, described step 3 obtains the boron nitride nanosheet and 4 of area load ferroferric oxide magnetic nano-particles, the mass ratio of 4`-'-diphenylmethane diisocyanate is 1 ~ 20:100, the mass ratio of boron nitride nanosheet and BDO that described step 3 obtains area load ferroferric oxide magnetic nano-particles is 1 ~ 20:20 ~ 60.
Present embodiment comprises following beneficial effect:
The method of what present embodiment provided the prepare orderly boron nitride/compound polyurethane material of microstructure, technique is simple, power consumption is few, and the ordered composite material obtained has excellent erosive resistance, relative to unordered boron nitride/compound polyurethane material, pure urethane, its erosive resistance improves 31.9%, 51.5% respectively, can be used for Anti-erosion protective coating.
Embodiment two: present embodiment and embodiment one unlike: be 60 DEG C in temperature in step one, rotating speed is under 2000rpm, continuously stirring 30h.Other is identical with embodiment one.
Embodiment three: present embodiment and embodiment one or two unlike: the nitration mixture described in step one is the dense H of 98% by mass concentration
2sO
4with the dense HNO that mass concentration is 95%
3be 3:1 composition by volume.Other is identical with embodiment one or two.
Embodiment four: one of present embodiment and embodiment one to three unlike: in step 2 under rotating speed is 5000rpm centrifugation 15min.Other is identical with one of embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four unlike: the quality of the intercalation boron nitride that the step one described in step 2 obtains and the volume ratio of Virahol are 1mg:0.5mL.Other is identical with one of embodiment one to four.
Embodiment six: one of present embodiment and embodiment one to five unlike: being placed in ultrasonic cleaning machine in step 3 at hertz is 80kHz, supersound process 3h under power 200W.Other is identical with one of embodiment one to five.
Embodiment seven: one of present embodiment and embodiment one to six are unlike the boron nitride nanosheet that the step 2 described in step 3 obtains and FeCl
24H
2the mass ratio of O is 1:3.Other is identical with one of embodiment one to six.
Embodiment eight: one of present embodiment and embodiment one to seven unlike: the mass ratio of the boron nitride nanosheet that the step 2 described in step 3 obtains and deionized water is 0.006g:1mL.Other is identical with one of embodiment one to seven.
Embodiment nine: one of present embodiment and embodiment one to eight unlike: the volume ratio of quality and DMF that the step 3 described in step 4 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles is 1g:50mL.Other is identical with one of embodiment one to eight.
Embodiment ten: one of present embodiment and embodiment one to nine unlike: the mass ratio that the step 3 described in step 4 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles and the polybutylene glyool adipate of dehydration is 1:80.Other is identical with one of embodiment one to nine.
Embodiment 11: one of present embodiment and embodiment one to ten unlike: the step 3 described in step 4 obtains the boron nitride nanosheet and 4 of area load ferroferric oxide magnetic nano-particles, the mass ratio of 4`-'-diphenylmethane diisocyanate is 1:100.Other is identical with one of embodiment one to ten.
Embodiment 12: one of present embodiment and embodiment one to ten one unlike: the mass ratio of boron nitride nanosheet and BDO that the step 3 described in step 4 obtains area load ferroferric oxide magnetic nano-particles is 1:20.Other is identical with one of embodiment one to ten one.
By following verification experimental verification beneficial effect of the present invention:
Test one: the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure of this test is orderly realizes according to the following steps:
One, adding in the nitration mixture of 200mL by the hexagonal boron nitride powder of 3g, is 60 DEG C in temperature, and rotating speed is under 2000rpm, and continuously stirring 30h, then cools, and it is neutral for deionized water dilution, repeating suction filtration, washing to filtrate, obtains intercalation boron nitride; Wherein, described nitration mixture is the dense H of 98% by mass concentration
2sO
4with the dense HNO that mass concentration is 95%
3be 3:1 composition by volume;
Two, the intercalation boron nitride that 0.2g step one obtains is scattered in the Virahol of 100mL, under room temperature, supersound process 12h, then centrifugation 15min under rotating speed is 5000rpm, get supernatant liquid, and with deionized water wash to neutral, dry at product being placed in 80 DEG C, obtain boron nitride nanosheet;
Three, the boron nitride nanosheet step 2 of 0.12g obtained and the FeCl of 0.36g
24H
2o is scattered in the deionized water of 20mL, being placed in ultrasonic cleaning machine at hertz is 80kHz, supersound process 3h under power 200W, obtain boron nitride nanosheet dispersion liquid, then at room temperature, under rotating speed is 1500rpm, the concentration slowly dripping 15mL in boron nitride nanosheet dispersion liquid is the NaOH aqueous solution of 5mg/mL, and then drips the H that mass concentration is 5.0mg/mL
2o
2the aqueous solution, when solution changes black into by dusty blue, stop dripping, supersound process 30min again, carry out Magneto separate, product is used respectively washed with de-ionized water 4 times, washes of absolute alcohol 5 times, the vacuum drying oven being finally placed in 80 DEG C carries out drying, obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles;
Four, by the N of the 50mL that the boron nitride nanosheet that the step 3 of 1g obtains area load ferroferric oxide magnetic nano-particles is dispersed in, in dinethylformamide, being placed in ultrasonic cleaning machine at hertz is 80kHz, supersound process 5h under power 200W, under nitrogen protection, the polybutylene glyool adipate of the dehydration of 80g is joined in above-mentioned dispersion liquid, high speed shear 30min under the condition of 8000rpm, then 4 of 100g are added, 4`-'-diphenylmethane diisocyanate, it is 70 DEG C in temperature, rotating speed is stirring reaction 1.5h under 2000rpm, finally, 1 of 20g is added in reactor, 4-butyleneglycol, continue reaction 1h, stop stirring, remove nitrogen protection, reaction solution is poured into the Standard Module of preheating, the uniform magnetic field being placed in 0.4T leaves standstill 3h, evaporating solvent 24h under the condition of 70 DEG C, then 120 DEG C are warming up to, slaking 20h, room temperature is placed 1 week, obtain magnetic boron nitride nanosheet/compound polyurethane material that surface micro-structure is orderly.
Fig. 1 prepares the orderly magnetic boron nitride nanosheet/compound polyurethane material schematic diagram of surface micro-structure;
The Wear rate of the orderly boron nitride/compound polyurethane material of surface micro-structure of pure urethane, unordered boron nitride/compound polyurethane material and this test preparation with impact angle change curve as shown in Figure 2; Wherein, 1 is the change curve of Wear rate with impact angle of pure urethane; 2 is the change curve of Wear rate with impact angle of unordered boron nitride/compound polyurethane material; 3 Wear rate that are the orderly boron nitride/compound polyurethane material of surface micro-structure of this test preparation are with the change curve of impact angle; As can be seen from Figure 2, relative to unordered boron nitride/compound polyurethane material, pure urethane, the erosive resistance of boron nitride/compound polyurethane material that surface micro-structure is orderly improves 31.9%, 51.5% respectively, can be used for Anti-erosion protective coating.
Claims (10)
1. a preparation method for magnetic boron nitride nanosheet/compound polyurethane material that surface micro-structure is orderly, is characterized in that the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that surface micro-structure is orderly carries out according to the following steps:
One, the hexagonal boron nitride powder of 2 ~ 6g is added in the nitration mixture of 100mL ~ 500mL, it is 30 DEG C ~ 100 DEG C in temperature, rotating speed is under 1000rpm ~ 2000rpm, continuously stirring 10h ~ 50h, then cool, with deionized water dilution, it is neutral for repeating suction filtration, washing to filtrate, obtains intercalation boron nitride; Wherein, described nitration mixture is the dense H of 98% by mass concentration
2sO
4with the dense HNO that mass concentration is 95%
3be 1 ~ 3:1 composition by volume;
Two, intercalation boron nitride step one obtained is scattered in Virahol, under room temperature, supersound process 10h ~ 30h, then centrifugation 15min ~ 50min under rotating speed is 1500rpm ~ 6000rpm, get supernatant liquid, and with deionized water wash to neutral, dry at product being placed in 80 DEG C ~ 100 DEG C, obtain boron nitride nanosheet; The quality of the intercalation boron nitride that described step one obtains and the volume ratio of Virahol are 1mg:0.5 ~ 2mL;
Three, boron nitride nanosheet step 2 obtained and FeCl
24H
2o is scattered in deionized water, being placed in ultrasonic cleaning machine at hertz is 60kHz ~ 80kHz, supersound process 3h ~ 6h under power 180W ~ 200W, obtain boron nitride nanosheet dispersion liquid, then at room temperature, under rotating speed is 1000rpm ~ 2000rpm, the concentration slowly dripping 5mL ~ 20mL in boron nitride nanosheet dispersion liquid is the NaOH aqueous solution of 5mg/mL, and then drips the H that mass concentration is 5.0mg/mL
2o
2the aqueous solution, when solution changes black into by dusty blue, stop dripping, supersound process 5min again ~ 30min, carry out Magneto separate, product is used respectively washed with de-ionized water 2 ~ 4 times, washes of absolute alcohol 2 ~ 5 times, the vacuum drying oven being finally placed in 80 DEG C ~ 100 DEG C carries out drying, obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles; Wherein, the boron nitride nanosheet that described step 2 obtains and FeCl
24H
2the mass ratio of O is 1:(0.4 ~ 4); The quality of the boron nitride nanosheet that described step 2 obtains and the volume ratio of deionized water are (0.001 ~ 0.02) g:1mL;
Four, the N that boron nitride nanosheet step 3 being obtained area load ferroferric oxide magnetic nano-particles is dispersed in, in dinethylformamide, being placed in ultrasonic cleaning machine at hertz is 60kHz ~ 80kHz, supersound process 2h ~ 6h under power 180W ~ 200W, under nitrogen protection, the polybutylene glyool adipate of dehydration is joined in above-mentioned dispersion liquid, high speed shear 30min ~ 60min under the condition of 8000rpm ~ 15000rpm, then 4 are added, 4`-'-diphenylmethane diisocyanate, it is 50 ~ 80 DEG C in temperature, rotating speed is stirring reaction 0.5h ~ 3h under 1000rpm ~ 2000rpm, finally, 1 is added in reactor, 4-butyleneglycol, continue reaction 0.5h ~ 2h, stop stirring, remove nitrogen protection, reaction solution is poured into the Standard Module of preheating, the uniform magnetic field being placed in 0.4T ~ 1T leaves standstill 2h ~ 8h, evaporating solvent 12h ~ 24h under the condition of 60 DEG C ~ 80 DEG C, then 120 DEG C ~ 150 DEG C are warming up to, slaking 10 ~ 20h, room temperature is placed 1 week, obtain magnetic boron nitride nanosheet/compound polyurethane material that surface micro-structure is orderly, wherein, the volume ratio of quality and DMF that described step 3 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles is 1 ~ 20g:10 ~ 50mL, the mass ratio that described step 3 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles and the polybutylene glyool adipate of dehydration is 1 ~ 20:40 ~ 80, described step 3 obtains the boron nitride nanosheet and 4 of area load ferroferric oxide magnetic nano-particles, the mass ratio of 4`-'-diphenylmethane diisocyanate is 1 ~ 20:100, the mass ratio of boron nitride nanosheet and BDO that described step 3 obtains area load ferroferric oxide magnetic nano-particles is 1 ~ 20:20 ~ 60.
2. the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure according to claim 1 is orderly, to it is characterized in that in step one in temperature being 60 DEG C, rotating speed is under 2000rpm, continuously stirring 30h.
3. the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure according to claim 1 is orderly, is characterized in that the nitration mixture described in step one is the dense H of 98% by mass concentration
2sO
4with the dense HNO that mass concentration is 95%
3be 3:1 composition by volume.
4. the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure according to claim 1 is orderly, is characterized in that the quality of the intercalation boron nitride that the step one described in step 2 obtains and the volume ratio of Virahol are 1mg:0.5mL.
5. the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure according to claim 1 is orderly, is characterized in that the boron nitride nanosheet that the step 2 described in step 3 obtains and FeCl
24H
2the mass ratio of O is 1:3.
6. the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure according to claim 1 is orderly, is characterized in that the mass ratio of the boron nitride nanosheet that the step 2 described in step 3 obtains and deionized water is 0.006g:1mL.
7. the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure according to claim 1 is orderly, the volume ratio that it is characterized in that quality and DMF that the step 3 described in step 4 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles is 1g:50mL.
8. the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure according to claim 1 is orderly, is characterized in that the mass ratio that the step 3 described in step 4 obtains the boron nitride nanosheet of area load ferroferric oxide magnetic nano-particles and the polybutylene glyool adipate of dehydration is 1:80.
9. the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure according to claim 1 is orderly, is characterized in that the step 3 described in step 4 obtains the boron nitride nanosheet and 4 of area load ferroferric oxide magnetic nano-particles, the mass ratio of 4`-'-diphenylmethane diisocyanate is 1:100.
10. the preparation method of magnetic boron nitride nanosheet/compound polyurethane material that a kind of surface micro-structure according to claim 1 is orderly, the mass ratio that it is characterized in that boron nitride nanosheet and BDO that the step 3 described in step 4 obtains area load ferroferric oxide magnetic nano-particles is 1:20.
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| CN109810544A (en) * | 2018-12-29 | 2019-05-28 | 厦门大学 | A kind of amination hexagonal boron nitride and its preparation method and application |
| CN110563981A (en) * | 2019-05-22 | 2019-12-13 | 青岛科技大学 | Preparation method of oriented boron nitride composite film |
| CN111471156A (en) * | 2020-05-11 | 2020-07-31 | 黎哲华 | Insulating high-thermal-conductivity modified polyurethane film and preparation method thereof |
| CN111875764A (en) * | 2020-08-03 | 2020-11-03 | 合肥万力轮胎有限公司 | Novel nanometer hybrid flame-retardant polyurethane elastomer and preparation method thereof |
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| EP3474979B1 (en) * | 2016-06-28 | 2020-12-23 | Nanoco Technologies Ltd | Formation of 2d flakes from chemical cutting of prefabricated nanoparticles and van der waals heterostructure devices made using the same |
| CN106475129A (en) * | 2016-09-24 | 2017-03-08 | 上海大学 | The preparation method of the composite oxides denitrating catalyst with hexagonal boron nitride as carrier |
| CN106475129B (en) * | 2016-09-24 | 2019-04-16 | 上海大学 | Using hexagonal boron nitride as the preparation method of the composite oxides denitrating catalyst of carrier |
| CN109810544A (en) * | 2018-12-29 | 2019-05-28 | 厦门大学 | A kind of amination hexagonal boron nitride and its preparation method and application |
| CN110563981A (en) * | 2019-05-22 | 2019-12-13 | 青岛科技大学 | Preparation method of oriented boron nitride composite film |
| CN111471156A (en) * | 2020-05-11 | 2020-07-31 | 黎哲华 | Insulating high-thermal-conductivity modified polyurethane film and preparation method thereof |
| CN111875764A (en) * | 2020-08-03 | 2020-11-03 | 合肥万力轮胎有限公司 | Novel nanometer hybrid flame-retardant polyurethane elastomer and preparation method thereof |
| CN113913074A (en) * | 2021-11-10 | 2022-01-11 | 齐威 | Waterproof coating and application method thereof |
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| CN105111723B (en) | 2017-08-25 |
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