CN106472495A - A kind of high-ratio surface sucrose Bombyx mori L. carbon composite and preparation method and application - Google Patents
A kind of high-ratio surface sucrose Bombyx mori L. carbon composite and preparation method and application Download PDFInfo
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- CN106472495A CN106472495A CN201610812072.5A CN201610812072A CN106472495A CN 106472495 A CN106472495 A CN 106472495A CN 201610812072 A CN201610812072 A CN 201610812072A CN 106472495 A CN106472495 A CN 106472495A
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- bombyx mori
- sucrose
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
Abstract
The invention discloses a kind of high-ratio surface sucrose Bombyx mori L. carbon composite and preparation method and application.Under shielding gas, Faeces bombyciss are prepared into carbonization Bombyx mori L.；By sucrose powder and the mixing of carbonization Bombyx mori L., add ZnCl2Solution is placed in the vibration activated grafting reaction of high speed machine ball mill and obtains sucrose/ZnCl2/ Bombyx mori L. slurry, slurry is directly dried and obtains composite crude product；Again by composite crude product and ZnCl2Mixing, carries out activating reaming reaction under shielding gas, obtains high-ratio surface sucrose Bombyx mori L. carbon composite, this materials application delays controlled release aspect in pesticide after then cleaning again, be centrifuged and drying.The present invention carries out grafting using high speed machine vibration and is combined and activator ZnCl to sucrose and Bombyx mori L.2Mixing and primary activation, significantly the lifting grafting compound reaction speed of bi-material and activator are in the dispersion of Bombyx mori L. composite material surface, obtained carbon composite has higher specific surface area and polar group containing O, has higher adsorption capacity and preferable slow-releasing and controlled-releasing action to pesticide.
Description
Technical field
The invention belongs to carbon composite technical field and in particular to sucrose Bombyx mori L. composite and preparation method thereof with should
With.
Background technology
Pesticide can efficiently control disease, worm, the harm to crops of grass and other harmful organisms, and it is as chemical prevention
Important means, agricultural production plays irreplaceable effect.However, only having a small amount of pesticide can arrive in special time
Reach crop target site, and most of pesticide is directly released in natural environment and leads to pesticide utilization ratio low.This part is not
The pesticide playing drug effect can cause that Practice for Pesticide Residue in Agricultural Products is exceeded, the injury to non-target organism and environmental pollution etc. are many negative
Face problem.How to effectively improve the utilization ratio of pesticide and Targeting delivery function is urgently to be resolved hurrily main of current pesticide field
One of problem.
Slow controlled-release technology is that one kind can make pesticide activity component slowly release within preset time by physically or chemically means
It is put in target site, and make drug level maintain the novel medicine feeding technology of more than valid density in a long time, and biological
Porous charcoal is to can be applicable to one of main representative of slow controlled-release technology.Bombyx mori L. is the main garbage of Bombyxmori Linnaeuss industry, in rural area warp
Chang Suiyi abandons and leads to environmental pollution, observes from Electron microscope and understands that it has natural three-dimensional drape structure and phosphorus content is high,
High-ratio surface multiporous biological charcoal can be obtained through high temperature cabonization and activation, and abundant N (O) group is also contained on its surface.Sucrose
It is also a kind of high carbon containing and oxygen containing biomolecule, is distributed widely in plant body, particularly content in Radix Betae, Caulis Sacchari sinensis and fruit
High, it is the carbon source material that mankind's sustainable (renewable) obtain.
Conventional pesticide molecule mostly contains polar group (carboxyl, carbonyl, sulfur-bearing and containing cl radical etc.), and this portion
Polarity group is also the dominant reactive part in pesticide, and these polar groups can be tied with N (O) group in Bombyx mori L., sucrose
Close.If Bombyx mori L., sucrose are combined into new porous carbon material, simultaneously adjustment porous charcoal pore size and N (O) group content just
The absorption affinity of pesticide and Carbon Materials can be regulated and controled, reach the slow-releasing and controlled-releasing action to pesticide.
Content of the invention
The present invention proposes a kind of high-ratio surface sucrose Bombyx mori L. carbon composite and preparation method and application, using at a high speed
Mechanical oscillation method can make sucrose and Bombyx mori L. while quick graft reaction in dozens of minutes, by activator ZnCl2Fully
Mix and primary activation with sucrose/Bombyx mori L. composite, then form high-ratio surface by high-temperature activation counter-boring techniques, reach simultaneously
The purpose of regulation and control N (O) group content.Which not only improves the combined coefficient of material, and composite can be increased substantially
Yield, realizes the purpose of slow controlled release.
The purpose of the present invention is achieved through the following technical solutions：
A kind of high-ratio surface sucrose Bombyx mori L. carbon composite, the three-dimensional pore space knot that this material is constituted with sucrose and carbonization Bombyx mori L.
Structure, its Langmuir specific surface area is 1000-1400m2/ g, total pore volume is in 0.3-0.6cm3/ g, wherein micropore specific area and hole
Hold and account for the 50～70% of total specific surface area and pore volume.
The preparation method of the high-ratio surface sucrose Bombyx mori L. composite of the present invention, comprises the steps：
(1) in N2, Faeces bombyciss are reacted preparation carbonization Bombyx mori L. by high temperature cabonization in the protective gas such as Ar atmosphere；
(2) by sucrose powder, carbonization Bombyx mori L. and ZnCl that mass concentration is 0.25～0.30g/mL2Solution mixes, and is placed in
High speed machine vibration ball mill sealing vibration, speed controlling in 1000～1200 turns/min, the graft reaction time 30～
60min, obtains sucrose/ZnCl2Then slurry is directly dried and is obtained composite crude product by/Bombyx mori L. slurry；
(3) composite crude product obtained in step (2) is carried out reaming reaction in protective gas, then clear again
High-ratio surface sucrose charcoal Bombyx mori L. carbon composite is obtained after washing, be centrifuged and drying.Cleaning is using dilute hydrochloric acid and deionized water punching
Wash 1～3 time.
Further preferred as scheme, in step (1) carburizing temperature of Faeces bombyciss at 500-1000 DEG C, the response time 2
～4h.
Further preferred as scheme, carbonization Bombyx mori L. and ZnCl in described step (2)2The plastid of solution is than for 1:(4～
10).
Further preferred as scheme, composite crude product and ZnCl in described step (3)2Mixing mass ratio be
1:(2～4).
Further preferred as scheme, described reaming reaction temperature is 500～700 DEG C, and the response time is 0.5～5h.
Optimum reaction condition is that reaming reaction temperature is 550～650 DEG C, and the response time is 2～3h.
The high-ratio surface sucrose Bombyx mori L. carbon composite of the present invention can be applicable to medicine sustained and controlled release aspect, and particularly pesticide delays
Controlled release aspect.
Products application of the present invention delays controlled release field in pesticide, adsorbs anabasine pesticide Diacloden using this composite,
Absorption carriage amount can reach more than 500mg/g, and can prepare slow controlled release farm chemical carrier in the range of slow release effective time 15～60 days
(using total volume 90% Diacloden as endpoint calculation).
Compared with prior art, the present invention is advantageous in that：
1. the present invention can quickly cause the change between sucrose and carbonization Bombyx mori L. using the produced mechanical energy of high speed machine vibration
Learn reaction, significantly lift graft reaction speed on carbonization Bombyx mori L. for the sucrose and greatly shorten the response time, simultaneously again permissible
Avoid the product loss that sucking filtration is brought.
2. compare hydro-thermal or solvent-thermal method with existing composite etc., Mechanical Method synthetic method preparation of the present invention
Sucrose Bombyx mori L. activated carbon composite can greatly reduce the usage amount to solvent, can effectively reduce discharging of waste liquid amount, so that the present invention was synthesized
Cheng Gengwei environmental protection, has been reduced or avoided the harm to environment.
3. the present invention prepares sucrose Bombyx mori L. activated carbon composite by Mechanical Method and can directly obtain composite crude product, is simultaneously introduced
ZnCl2Solution carries out moistening, and one is to pass through the quick rotation of mechanical activation by ZnCl2It is sufficiently mixed with sucrose/Bombyx mori L. material；
Two is the superelevation mechanical energy and temperature ZnCl being produced by instant shock during mechanical activation2Composite is tentatively lived
Change, solution need not be separated further simultaneously, eliminate the process of solution separating, improve efficiency.
4. the raw materials used Bombyx mori L. of the present invention has native three dimensional pleated structure and containing a large amount of carboxyls, hydroxyl and amino base
Group, the micro scale channel being formed can be grafted with sucrose and form sucrose Bombyx mori L. carbon composite, then pass through after its carbonization treatment
ZnCl2Activation can form high-ratio surface loose structure on the composite, can have higher adsorption capacity to pesticide.With
When composite material surface group containing O can produce material impact to the absorption affinity between pesticide and composite, because sucrose is high
Compound containing O, can control composite material surface to contain the quantity of O group by the graft reaction ratio adjusting Bombyx mori L. and sucrose,
And then the absorption affinity between regulation and control pesticide and composite, reach the purpose of slow controlled release.
5. the composite prepared by the present invention is used for adsorbing anabasine pesticide Diacloden, and its adsorbance can reach
More than 500mg/g, can prepare sustained-release pesticides load in the range of 15～60 days for the slow-release time by regulating and controlling sucrose graft ratio
Body (using total volume 90% Diacloden as endpoint calculation).
Brief description
Fig. 1 is Faeces bombyciss electron-microscope scanning figure.
Fig. 2 is embodiment 1 high-ratio surface sucrose Bombyx mori L. carbon composite electron-microscope scanning figure.
Fig. 3 difference slow-release material load capacity curve
Fig. 4 difference slow-release material slow release release profiles
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples, but the scope of protection of present invention is not
It is confined to the scope of embodiment statement.
Embodiment 1
A kind of preparation method of high-ratio surface sucrose Bombyx mori L. composite, comprises the steps,
(1) in N2In atmosphere, 10.0g Faeces bombyciss are raised to 500 DEG C with the heating rate of 5 DEG C/min, and protect at 500 DEG C
Cool to room temperature after holding more than 5.0h, prepare carbonization Bombyx mori L..
(2) the sucrose powder of 0.25g and 0.25g carbonization Bombyx mori L. are placed in ball grinder, addition 1.0mL mass concentration is
The ZnCl of 0.25g/L2Solution；Ball grinder sealing being placed in high speed machine vibration ball mill vibrated, rotating speed is 1000 turns/
Min, the graft reaction time is 60min (being that atmospheric pressure sealed is carried out in course of reaction)；Sucrose/ZnCl by gained2/ Bombyx mori L. is combined
The direct 80 DEG C of drying of slurry obtain composite crude product；
(3) by composite crude product obtained in step (2) in N2It is raised to 500 with the heating rate of 5 DEG C/min in atmosphere
DEG C, and keep 5.0h to carry out reaming reaction at 500 DEG C, after being naturally down to room temperature, gained solid is dissolved in 1mol/L's
Cleaning dissolving unreacted ZnCl in HCl2, reuse deionized water and clean to pH ≈ 7 centrifugation, be placed in baking oven and be dried overnight,
High-ratio surface sucrose Bombyx mori L. carbon composite is obtained after drying.
Embodiment 2
(1) in N2In atmosphere, 10.0g Faeces bombyciss are raised to 600 DEG C with the heating rate of 5 DEG C/min, and protect at 600 DEG C
Cool to room temperature after holding more than 4.0h, prepare carbonization Bombyx mori L..
(2) the sucrose powder of 0.25g and 0.5g carbonization Bombyx mori L. are placed in ball grinder, addition 3.0mL mass concentration is
The ZnCl of 0.30g/L2Solution alcohol；Ball grinder sealing being placed in high speed machine vibration ball mill vibrated, rotating speed is 1050 turns/
Min, the graft reaction time is 50min (being that atmospheric pressure sealed is carried out in course of reaction)；Sucrose/ZnCl by gained2/ Bombyx mori L. is combined
The direct 80 DEG C of drying of slurry obtain composite crude product.
(3) by composite crude product obtained in step (2) in N2It is raised to 550 with the heating rate of 5 DEG C/min in atmosphere
DEG C, and keep 4.0h at 550 DEG C, after being naturally down to room temperature, gained solid is dissolved in cleaning dissolving in the HCl of 1mol/L
Unreacted ZnCl2, reuse deionized water and clean to pH ≈ 7 centrifugation, be placed in baking oven and be dried overnight, after drying, obtain high ratio
Surface sucrose Bombyx mori L. carbon composite.
Embodiment 3
(1) in N2In atmosphere, 10.0g Faeces bombyciss are raised to 700 DEG C with the heating rate of 5 DEG C/min, and protect at 700 DEG C
Cool to room temperature after holding more than 3.0h, prepare carbonization Bombyx mori L..
(2) the sucrose powder of 0.25g and 0.75g carbonization Bombyx mori L. are placed in ball grinder, addition 5.5mL mass concentration is
The ZnCl of 0.25g/L2Solution；Ball grinder sealing being placed in high speed machine vibration ball mill vibrated, rotating speed is 1100 turns/
Min, the graft reaction time is 45min (being that atmospheric pressure sealed is carried out in course of reaction)；Sucrose/ZnCl by gained2/ Bombyx mori L. is combined
The direct 90 DEG C of drying of slurry obtain composite crude product.
(3) by composite crude product obtained in step (2) in N2It is raised to 600 with the heating rate of 5 DEG C/min in atmosphere
DEG C, and keep 3.0h at 600 DEG C, after being naturally down to room temperature, gained solid is dissolved in cleaning dissolving in the HCl of 1mol/L
Unreacted ZnCl2, reuse deionized water and clean to pH ≈ 7 centrifugation, be placed in baking oven and be dried overnight, after drying, obtain high ratio
Surface sucrose Bombyx mori L. carbon composite.
Embodiment 4
(1) in N2In atmosphere, 10.0g Faeces bombyciss are raised to 800 DEG C with the heating rate of 5 DEG C/min, and protect at 650 DEG C
Cool to room temperature after holding more than 3.0h, prepare carbonization Bombyx mori L..
(2) the sucrose powder of 0.25g and 1.0g carbonization Bombyx mori L. are placed in ball grinder, addition 8.0mL mass concentration is
The ZnCl of 0.30g/L2Solution；Ball grinder sealing being placed in high speed machine vibration ball mill vibrated, rotating speed is 1100 turns/
Min, the graft reaction time is 45min (being that atmospheric pressure sealed is carried out in course of reaction)；Sucrose/ZnC by gainedl2/ Bombyx mori L. is combined
The direct 80 DEG C of drying of slurry obtain composite crude product.
(3) by composite crude product obtained in step (2) in N2It is raised to 600 with the heating rate of 5 DEG C/min in atmosphere
DEG C, and keep 2.0h at 600 DEG C, after being naturally down to room temperature, gained solid is dissolved in cleaning dissolving in the HCl of 1mol/L
Unreacted ZnCl2, reuse deionized water and clean to pH ≈ 7 centrifugation, be placed in baking oven and be dried overnight, after drying, obtain high ratio
Surface sucrose Bombyx mori L. carbon composite.
Embodiment 5
(1) in N2In atmosphere, 10.0g Faeces bombyciss are raised to 900 DEG C with the heating rate of 5 DEG C/min, and protect at 1000 DEG C
Cool to room temperature after holding more than 2.0h, prepare carbonization Bombyx mori L..
(2) the sucrose powder of 0.25g and 1.25g carbonization Bombyx mori L. are placed in ball grinder, addition 11.0mL mass concentration is
The ZnCl of 0.25g/L2Solution；Ball grinder sealing being placed in high speed machine vibration ball mill vibrated, rotating speed is 1150 turns/
Min, the graft reaction time is 40min (being that atmospheric pressure sealed is carried out in course of reaction)；Sucrose/ZnCl by gained2/ Bombyx mori L. is combined
The direct 85 DEG C of drying of slurry obtain composite crude product.
(3) by composite crude product obtained in step (2) in N2It is raised to 650 with the heating rate of 5 DEG C/min in atmosphere
DEG C, and keep 1.0h at 650 DEG C, after being naturally down to room temperature, gained solid is dissolved in cleaning dissolving in the HCl of 1mol/L
Unreacted ZnCl2, reuse deionized water and clean to pH ≈ 7 centrifugation, be placed in baking oven and be dried overnight, after drying, obtain high ratio
Surface sucrose Bombyx mori L. carbon composite.
Embodiment 6
(1) in N2In atmosphere, 10.0g Faeces bombyciss are raised to 1000 DEG C with the heating rate of 5 DEG C/min, and at 1000 DEG C
Cool to room temperature after keeping more than 0.5h, prepare carbonization Bombyx mori L..
(2) the sucrose powder of 0.25g and 1.5g carbonization Bombyx mori L. are placed in ball grinder, addition 15.0mL mass concentration is
The ZnCl of 0.25g/L2Solution；Ball grinder sealing being placed in high speed machine vibration ball mill vibrated, rotating speed is 1200 turns/
Min, the graft reaction time is 30min (being that atmospheric pressure sealed is carried out in course of reaction)；Sucrose/ZnCl by gained2/ Bombyx mori L. is combined
The direct 85 DEG C of drying of slurry obtain composite crude product.
(3) by composite crude product obtained in step (2) in N2It is raised to 700 with the heating rate of 5 DEG C/min in atmosphere
DEG C, and keep 0.5h at 700 DEG C, after being naturally down to room temperature, gained solid is dissolved in cleaning dissolving in the HCl of 1mol/L
Unreacted ZnCl2, reuse deionized water and clean to pH ≈ 7 centrifugation, be placed in baking oven and be dried overnight, after drying, obtain high ratio
Surface sucrose Bombyx mori L. carbon composite.
Material properties test：
(1) electron microscope of high-ratio surface sucrose Bombyx mori L. carbon composite
Using Japanese Hitachi S-3400N type low power scanning electron microscope to Faeces bombyciss and the embodiment of the present invention 1 institute
Prepared sucrose Bombyx mori L. carbon composite carries out the sign of material surface pattern, as shown in Figure 1 and Figure 2.
Fig. 1 is Faeces bombyciss electron-microscope scanning figure, embodies Faeces bombyciss tridimensional network.Fig. 2 is high-ratio surface sucrose charcoal silkworm
Husky carbon composite electron-microscope scanning figure it can be seen that after mechanical activation adds sucrose polymer grafting and activating, in carbonization
A large amount of sucrose beads are formed on Bombyx mori L., forms sucrose Bombyx mori L. carbon composite.
(2) pore structure study of sucrose Bombyx mori L. carbon composite
The 3-Flex specific surface pore-size distribution instrument being produced using Micro company of the U.S. is to the sucrose Bombyx mori L. prepared by the present invention
The pore structure of carbon composite is measured, and result is as shown in table 1.
The specific surface area of sucrose Bombyx mori L. carbon composite of 1. 6 kinds of embodiment gained of table and pore-size distribution.
Smicro, Vt, and VmicroRepresent the pore volume that the specific surface area that micropore is provided, total pore volume and micropore are provided respectively.
According to 1 column data of table, the Langmuir ratio of the sucrose Bombyx mori L. carbon composite prepared by six kinds of embodiments
Surface area is in 1000-1400m2/ g, total pore volume is about in 0.3-0.6cm3/ more than g, wherein micropore specific area and pore volume account for always
Specific surface area and the 50～70% of pore volume.This explanation, the sucrose silkworm in embodiments of the invention coverage, obtained by preparation
Husky carbon composite is a kind of porous carbon material with high specific surface area.
(3) sucrose Bombyx mori L. carbon composite sustained release performance analysis
Pesticide Diacloden absorption carriage amount and slow release are carried out to the sucrose Bombyx mori L. carbon composite of case study on implementation 2,4,6 preparation
The adsorption conditionses of tracing analysiss, wherein carbon composite are put in 50mL0.8g/L Diacloden solution for 50mg composite slow release material
Vibration absorption, 30 DEG C of bath temperature, vibrates 200 revs/min of rotating speed；The slow release condition of carbon composite is compound after 50mg absorption
Slow-release material is put in 120mL deionized water, changes water 100mL, 30 DEG C of bath temperature daily, vibrates 200 revs/min of rotating speed, real
Test result respectively as shown in Figure 3, Figure 4.From figure 3, it can be seen that 3 kinds of slow-release materials are in absorption 48 hours back loading amounts of Diacloden
All reach more than 500mg/g, and there is no obvious difference between three kinds of materials, illustrate that such material has different slow release effects
Close adsorption effect can be kept while fruit.From fig. 4, it can be seen that respectively 15 days, 30 days and 60 days about complete discharge
Process (using total volume 90% Diacloden as endpoint calculation), can meet the requirement of different times pesticide slow-release.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the art, can also be made other on the basis of the above description
The change of multi-form or variation.There is no need to be exhaustive to all of embodiment.All spirit in the present invention
With any modification, equivalent and the improvement made within principle etc., should be included in the protection domain of the claims in the present invention
Within.
Claims (9)
1. a kind of high-ratio surface sucrose Bombyx mori L. carbon composite it is characterised in that：This material is constituted with sucrose and carbonization Bombyx mori L.
Three dimensional pore structures, its Langmuir specific surface area is 1000-1400m2/ g, total pore volume is in 0.3-0.6cm3/ g, wherein micropore ratio
Surface area and pore volume account for the 50～70% of total specific surface area and pore volume.
2. high-ratio surface sucrose Bombyx mori L. carbon composite as claimed in claim 1 preparation method it is characterised in that：Including such as
Lower step,
(1) in protective gas, Faeces bombyciss are reacted preparation carbonization Bombyx mori L. by high temperature cabonization；
(2) sucrose powder and carbonization Bombyx mori L. are mixed, the ZnCl of addition2After solution, it is placed in high speed machine vibration ball mill sealing and shakes
Swing, in 1000～1200 turns/min, the graft reaction time, in 30～60min, obtains sucrose/ZnCl to speed controlling2/ Bombyx mori L. is starched
Then slurry is directly dried and is obtained composite crude product by material；
(3) composite crude product obtained in step (2) is carried out reaming reaction in protective gas, then clean again, be centrifuged
And obtain high-ratio surface sucrose Bombyx mori L. carbon composite after drying.
3. high-ratio surface sucrose Bombyx mori L. carbon composite according to claim 2 preparation method it is characterised in that：Described
The mass ratio that in step (2), sucrose powder is mixed with carbonization Bombyx mori L. is 1:6～1.
4. high-ratio surface sucrose Bombyx mori L. carbon composite according to claim 2 preparation method it is characterised in that：Described
Carbonization Bombyx mori L. and ZnCl in step (2)2The plastid of solution is than for 1:4～10.
5. high-ratio surface sucrose Bombyx mori L. carbon composite according to claim 2 preparation method it is characterised in that：Described
ZnCl in step (2)2Concentration of polymer solution is 0.25～0.30g/mL.
6. high-ratio surface sucrose Bombyx mori L. carbon composite according to claim 2 preparation method it is characterised in that：Described
Reaming reaction temperature is 500～700 DEG C, and the response time is 0.5～5h.
7. high-ratio surface sucrose Bombyx mori L. carbon composite according to claim 2 preparation method it is characterised in that：Described
Reaming reaction temperature is 550～650 DEG C, and the response time is 2～3h.
8. high-ratio surface sucrose Bombyx mori L. carbon composite according to claim 2 preparation method it is characterised in that：Step
(1) in, the carburizing temperature of Faeces bombyciss is at 500-1000 DEG C, response time 2～4h.
9. high-ratio surface sucrose Bombyx mori L. carbon composite as claimed in claim 1 application it is characterised in that：It delays in medicine
The utilization of controlled release aspect.
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| CN114348988A (en) * | 2022-01-14 | 2022-04-15 | 宁夏圣川碳基材料科技有限公司 | Preparation method of coal-based porous carbon |
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| CN103482624A (en) * | 2013-09-26 | 2014-01-01 | 福建农林大学 | Preparation method for active carbon with photocatalysis function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114348988A (en) * | 2022-01-14 | 2022-04-15 | 宁夏圣川碳基材料科技有限公司 | Preparation method of coal-based porous carbon |
| CN114348988B (en) * | 2022-01-14 | 2023-08-29 | 宁夏圣川碳基材料科技有限公司 | Preparation method of coal-based porous carbon |
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