CN109455689A - The preparation method and applications of conductive super-hydrophobic biomass carbon material - Google Patents
The preparation method and applications of conductive super-hydrophobic biomass carbon material Download PDFInfo
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- CN109455689A CN109455689A CN201811404342.4A CN201811404342A CN109455689A CN 109455689 A CN109455689 A CN 109455689A CN 201811404342 A CN201811404342 A CN 201811404342A CN 109455689 A CN109455689 A CN 109455689A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
Abstract
The present invention relates to super hydrophobic material fields, disclose the preparation method of conductive super-hydrophobic biomass carbon material, also disclose the application of this kind of conductive super-hydrophobic biomass carbon material, using wastes straw as raw material, by alkali process, anoxybiotic high temperature cabonization is prepared for electrically conductive super-hydrophobic biomass carbon material；Using it as raw material, super-hydrophobic carbon film is prepared for using silicone resin.The method of the present invention has that raw material sources are simple, easy to operate, equipment requirement is low, the beneficial effects such as good in economic efficiency.The present invention is to solve super hydrophobic material and super-hydrophobic film to meet electrically conductive, simple easy to manufacture, low in cost, good in economic efficiency, while wanting that super hydrophobic material and film will be stablized under harsh environment, preparation process and equipment, condition want low technical problem.
Description
Technical field
The present invention relates to super hydrophobic material fields, more particularly to the preparation side of conductive super-hydrophobic biomass carbon material
Method has further related to the application of conductive super-hydrophobic biomass carbon material.
Background technique
Super hydrophobic material has been applied to many key areas of industry and biology, such as the coating of antenna and window, vapour
Self-cleaning, metal the refining of vehicle windshield, antifouling, building coating antifouling, the peculiar to vessel antibiont dyestuff of textile etc..So far
Until the present, explore the manufacturing technology of super hydrophobic surface there are many researcher, as self-assembling technique, sol-gel technique,
Template, electrodeposition process, electrical spinning method, hydrothermal synthesis method, spray coating method, chemical vapour deposition technique etc..However, most methods
Time-consuming for manufacturing process, involves great expense, and is related to multistep manufacture.In addition, these super hydrophobic surfaces can be lower and be electrically insulated,
Hinder large-scale production and application.Therefore, we it is necessary to develop it is a kind of it is at low cost, be simple to manufacture and conductive super-hydrophobic
Surface.
Summary of the invention
The present invention in view of the shortcomings of the prior art, in preparing electrically conductive super-hydrophobic biomass carbon materials process, for solve
Super hydrophobic material and super-hydrophobic film will meet electrically conductive, simple easy to manufacture, low in cost, good in economic efficiency while super thin
Water material and film will be stablized under harsh environment, preparation process and equipment, condition want low requirement.The present invention provides one
The preparation method of the conductive super-hydrophobic biomass carbon material of kind, additionally provides this kind of conductive super-hydrophobic biomass carbon material
Application.This method has the characteristics that raw material sources are simple, easy to operate, equipment requirement is low, good in economic efficiency etc. a series of.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals:
The preparation method of conductive super-hydrophobic biomass carbon material passes through alkali process, anoxybiotic high temperature using stalk as raw material
Carbonization is prepared into electrically conductive super-hydrophobic biomass carbon material.
Preferably, include the following steps,
A. straw powder that is stalk is dry and being ground into 80-120 mesh；
B. it is 10%-30% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:3-10 in mass ratio in straw powder,
2-5h is stirred at room temperature, filters, is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature is controlled in 500-1000 DEG C of pyrocarbon
Change, using nitrogen as protective gas, obtains conductive super-hydrophobic biomass carbon material.
Preferably, stalk is wheat stalk, corn stover, rice stalk, soybean stalk, broomcorn straw, millet straw stalk
One or more of.
Preferably, stalk is discarded stalk.
Preferably, temperature is controlled in 800 DEG C of high temperature cabonizations in step C.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Using silicone resin in substrate, electrically conductive super-hydrophobic biomass carbon film is prepared.
Preferably, including the following steps, silicone resin, super-hydrophobic biomass carbon material, silicone resin curing agent are pressed
It is 0.1-0.8:1:0.01-0.1 according to mass ratio, is scattered in 10-30mL tetrahydrofuran solution, ultrasonic vibration 20-40 minutes, applies
It is overlying on the substrate surface of clean surface, 50 DEG C of solidification 0.5-1h of air dry oven is placed in, had both obtained the super-hydrophobic carbon of electrically conductive property
Film.
Preferably, carbon film substrate is one of sheet glass, copper sheet, aluminium flake, polyester fiber, stainless steel.
Preferably, silicone resin, super-hydrophobic biomass carbon material, silicone resin curing agent mass ratio are 0.5:1:
0.05。
Find, using super-hydrophobic biomass carbon material and its carbon film that waste straw is prepared as raw material, have good after study
Electric conductivity well is stablized under strong acid, highly basic, intensive ultraviolet, high temperature harsh environment, has other super hydrophobic materials and carbon film not
Analogous advantage.
Compared with existing super hydrophobic material and membrane preparation method, the invention has the benefit that
(1) raw material sources are simple, play the economic benefit to turn waste into wealth.
(2) biomass carbon material and carbon film preparation method are simple and feasible.
(3) biomass carbon material has practical application value in super hydrophobic material field.
(4) the advantages that biomass carbon material and carbon film are electrically conductive, stability is good.
Specific embodiment
Below with reference to embodiment, present invention is further described in detail.
Embodiment 1
Using stalk as raw material, by alkali process, anoxybiotic high temperature cabonization is prepared into electrically conductive super-hydrophobic biomass carbon material.
Wherein, stalk is discarded stalk.Stalk is wheat stalk, corn stover, rice stalk, soybean stalk, sorghum
One or more of stalk, millet straw stalk.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Using silicone resin in substrate, electrically conductive super-hydrophobic biomass carbon film is prepared.
Then water contact angle, slide angle and conducting performance test are carried out to carbon film, the results showed that water contact angle to 162 DEG C,
2 DEG C of slide angle, conductivity 240s/m.
Embodiment 2
The preparation method of conductive super-hydrophobic biomass carbon material, includes the following steps,
A. straw powder that is stalk is dry and being ground into 80 mesh；
B. it is 10% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:3 in mass ratio in straw powder, at room temperature
2h is stirred, filtering is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature control in 500 DEG C of high temperature cabonizations, with
Nitrogen is protective gas, obtains conductive super-hydrophobic biomass carbon material.
Stalk is wheat stalk.Stalk is discarded stalk.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Electrically conductive super-hydrophobic biomass carbon film is prepared, is included the following steps, by silicone resin, super-hydrophobic biomass carbon material, silicone tree
Rouge curing agent is 0.1:1:0.01 according to mass ratio, is scattered in 10mL tetrahydrofuran solution, ultrasonic vibration 20 minutes, is coated on
The substrate surface of clean surface is placed in 50 DEG C of solidification 0.5h of air dry oven, had both obtained the super-hydrophobic carbon film of electrically conductive property.Carbon film
Substrate is sheet glass.
Then water contact angle, slide angle and conducting performance test are carried out to carbon film, the results showed that water contact angle to 160 DEG C,
3 DEG C of slide angle, conductivity 230s/m.
Embodiment 3
The preparation method of conductive super-hydrophobic biomass carbon material, includes the following steps,
A. straw powder that is stalk is dry and being ground into 120 mesh；
B. it is 30% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:10 in mass ratio in straw powder, at room temperature
5h is stirred, filtering is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature control in 1000 DEG C of high temperature cabonizations, with
Nitrogen is protective gas, obtains conductive super-hydrophobic biomass carbon material.
Stalk is corn stover.Stalk is discarded stalk.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Electrically conductive super-hydrophobic biomass carbon film is prepared, is included the following steps, by silicone resin, super-hydrophobic biomass carbon material, silicone tree
Rouge curing agent is 0.8:1:0.1 according to mass ratio, is scattered in 30mL tetrahydrofuran solution, ultrasonic vibration 40 minutes, is coated on
The substrate surface of clean surface is placed in 50 DEG C of solidification 1h of air dry oven, had both obtained the super-hydrophobic carbon film of electrically conductive property.Carbon film base
Bottom is copper sheet.
Then water contact angle, slide angle and conducting performance test are carried out to carbon film, the results showed that water contact angle to 159 DEG C,
2 DEG C of slide angle, conductivity 235s/m.
Embodiment 4
The preparation method of conductive super-hydrophobic biomass carbon material, includes the following steps,
A. straw powder that is stalk is dry and being ground into 85 mesh；
B. it is 15% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:4 in mass ratio in straw powder, at room temperature
2.5h is stirred, filtering is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature control in 550 DEG C of high temperature cabonizations, with
Nitrogen is protective gas, obtains conductive super-hydrophobic biomass carbon material.
Stalk is the mixture of wheat stalk, corn stover, rice stalk.Stalk is discarded stalk.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Electrically conductive super-hydrophobic biomass carbon film is prepared, is included the following steps, by silicone resin, super-hydrophobic biomass carbon material, silicone tree
Rouge curing agent is 0.5:1:0.05 according to mass ratio, is scattered in 15mL tetrahydrofuran solution, ultrasonic vibration 25 minutes, is coated on
The substrate surface of clean surface is placed in 50 DEG C of solidification 0.8h of air dry oven, had both obtained the super-hydrophobic carbon film of electrically conductive property.Carbon film
Substrate is aluminium flake.
Then water contact angle, slide angle and conducting performance test are carried out to carbon film, the results showed that water contact angle to 161 DEG C,
4 DEG C of slide angle, conductivity 215s/m.
Embodiment 5
The preparation method of conductive super-hydrophobic biomass carbon material, includes the following steps,
A. straw powder that is stalk is dry and being ground into 110 mesh；
B. it is 25% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:8 in mass ratio in straw powder, at room temperature
4.5h is stirred, filtering is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature control in 900 DEG C of high temperature cabonizations, with
Nitrogen is protective gas, obtains conductive super-hydrophobic biomass carbon material.
Stalk is the mixture of wheat stalk, corn stover, rice stalk, soybean stalk, broomcorn straw, millet straw stalk.
Stalk is discarded stalk.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Electrically conductive super-hydrophobic biomass carbon film is prepared, is included the following steps, by silicone resin, super-hydrophobic biomass carbon material, silicone tree
Rouge curing agent is 0.7:1:0.06 according to mass ratio, is scattered in 20mL tetrahydrofuran solution, ultrasonic vibration 30 minutes, is coated on
The substrate surface of clean surface is placed in 50 DEG C of solidification 0.9h of air dry oven, had both obtained the super-hydrophobic carbon film of electrically conductive property.Carbon film
Substrate is polyester fiber.
Then water contact angle, slide angle and conducting performance test are carried out to carbon film, the results showed that water contact angle to 158 DEG C,
2 DEG C of slide angle, conductivity 225s/m.
Embodiment 6
The preparation method of conductive super-hydrophobic biomass carbon material, includes the following steps,
A. straw powder that is stalk is dry and being ground into 90 mesh；
B. it is 20% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:4 in mass ratio in straw powder, at room temperature
3h is stirred, filtering is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature control in 800 DEG C of high temperature cabonizations, with
Nitrogen is protective gas, obtains conductive super-hydrophobic biomass carbon material.
Stalk is soybean stalk.Stalk is discarded stalk.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Electrically conductive super-hydrophobic biomass carbon film is prepared, is included the following steps, by silicone resin, super-hydrophobic biomass carbon material, silicone tree
Rouge curing agent is 0.4:1:0.06 according to mass ratio, is scattered in 22mL tetrahydrofuran solution, ultrasonic vibration 29 minutes, is coated on
The substrate surface of clean surface is placed in 50 DEG C of solidification 0.8h of air dry oven, had both obtained the super-hydrophobic carbon film of electrically conductive property.Carbon film
Substrate is stainless steel.
Then water contact angle, slide angle and conducting performance test are carried out to carbon film, the results showed that water contact angle to 157 DEG C,
4 DEG C of slide angle, conductivity 215s/m.
Embodiment 7
The preparation method of conductive super-hydrophobic biomass carbon material, includes the following steps,
A. straw powder that is stalk is dry and being ground into 100 mesh；
B. it is 18% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:6 in mass ratio in straw powder, at room temperature
4h is stirred, filtering is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature control in 850 DEG C of high temperature cabonizations, with
Nitrogen is protective gas, obtains conductive super-hydrophobic biomass carbon material.
Stalk is in millet straw stalk.Stalk is discarded stalk.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Electrically conductive super-hydrophobic biomass carbon film is prepared, is included the following steps, by silicone resin, super-hydrophobic biomass carbon material, silicone tree
Rouge curing agent is 0.7:1:0.03 according to mass ratio, is scattered in 23mL tetrahydrofuran solution, ultrasonic vibration 22 minutes, is coated on
The substrate surface of clean surface is placed in 50 DEG C of solidification 0.8h of air dry oven, had both obtained the super-hydrophobic carbon film of electrically conductive property.Carbon film
Substrate is polyester fiber.
Then water contact angle, slide angle and conducting performance test are carried out to carbon film, the results showed that water contact angle to 160 DEG C,
3 DEG C of slide angle, conductivity 232s/m.
Embodiment 8
The preparation method of conductive super-hydrophobic biomass carbon material, includes the following steps,
A. straw powder that is stalk is dry and being ground into 115 mesh；
B. it is 28% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:8 in mass ratio in straw powder, at room temperature
3.8h is stirred, filtering is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature control in 800 DEG C of high temperature cabonizations, with
Nitrogen is protective gas, obtains conductive super-hydrophobic biomass carbon material.
Stalk is broomcorn straw.Stalk is discarded stalk.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Electrically conductive super-hydrophobic biomass carbon film is prepared, is included the following steps, by silicone resin, super-hydrophobic biomass carbon material, silicone tree
Rouge curing agent is 0.6:1:0.04 according to mass ratio, is scattered in 18mL tetrahydrofuran solution, ultrasonic vibration 28 minutes, is coated on
The substrate surface of clean surface is placed in 50 DEG C of solidification 0.9h of air dry oven, had both obtained the super-hydrophobic carbon film of electrically conductive property.Carbon film
Substrate is copper sheet.
Then water contact angle, slide angle and conducting performance test are carried out to carbon film, the results showed that water contact angle to 156 DEG C,
4 DEG C of slide angle, conductivity 218s/m.
Embodiment 9
The preparation method of conductive super-hydrophobic biomass carbon material, includes the following steps,
A. straw powder that is stalk is dry and being ground into 110 mesh；
B. it is 18% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:5 in mass ratio in straw powder, at room temperature
3h is stirred, filtering is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature control in 800 DEG C of high temperature cabonizations, with
Nitrogen is protective gas, obtains conductive super-hydrophobic biomass carbon material.
Stalk is the mixture of 8 rice stalks, soybean stalk, broomcorn straw, millet straw stalk.Stalk is discarded stalk.
The application of conductive super-hydrophobic biomass carbon material, using conductive super-hydrophobic biomass carbon material as raw material,
Electrically conductive super-hydrophobic biomass carbon film is prepared, is included the following steps, by silicone resin, super-hydrophobic biomass carbon material, silicone tree
Rouge curing agent is 0.5:1:0.05 according to mass ratio, is scattered in 20mL tetrahydrofuran solution, ultrasonic vibration 30 minutes, is coated on
The substrate surface of clean surface is placed in 50 DEG C of solidification 0.8h of air dry oven, had both obtained the super-hydrophobic carbon film of electrically conductive property.Carbon film
Substrate is aluminium flake.
Then water contact angle, slide angle and conducting performance test are carried out to carbon film, the results showed that water contact angle to 155 DEG C,
4 DEG C of slide angle, conductivity 228s/m.
In short, the foregoing is merely presently preferred embodiments of the present invention, it is all according to equalization made by scope of the present invention patent
Variation and modification, shall all be covered by the patent of the invention.
Claims (9)
1. the preparation method of conductive super-hydrophobic biomass carbon material, which is characterized in that using stalk as raw material, at alkali
Reason, anoxybiotic high temperature cabonization are prepared into electrically conductive super-hydrophobic biomass carbon material.
2. the preparation method of conductive super-hydrophobic biomass carbon material according to claim 1, which is characterized in that including
Following steps,
A. straw powder that is stalk is dry and being ground into 80-120 mesh；
B. it is 10%-30% sodium hydrate aqueous solution that mass concentration, which is added, in the ratio of 1:3-10 in mass ratio in straw powder, in room
Temperature is lower to stir 2-5h, and filtering is washed to neutrality, obtains alkali-treated material；
C. alkali-treated material is placed in corundum boat, in tube furnace, temperature control in 500-1000 DEG C of high temperature cabonization, with
Nitrogen is protective gas, obtains conductive super-hydrophobic biomass carbon material.
3. the preparation method of conductive super-hydrophobic biomass carbon material according to claim 1 or 2, which is characterized in that
Stalk is one or more of wheat stalk, corn stover, rice stalk, soybean stalk, broomcorn straw, millet straw stalk.
4. the preparation method of conductive super-hydrophobic biomass carbon material according to claim 1 or 2, which is characterized in that
Stalk is discarded stalk.
5. the preparation method of profile made of low heat absorbing type Wood-plastic material according to claim 2, it is characterised in that: step
In C, temperature is controlled in 800 DEG C of high temperature cabonizations.
6. the application of conductive super-hydrophobic biomass carbon material, which is characterized in that with conductive super-hydrophobic biomass carbon materials
Material is that raw material prepares electrically conductive super-hydrophobic biomass carbon film using silicone resin in substrate.
7. the application of conductive super-hydrophobic biomass carbon material according to claim 6, which is characterized in that including following
Step, by silicone resin, super-hydrophobic biomass carbon material, silicone resin curing agent according to mass ratio be 0.1-0.8:1:0.01-
0.1, it is scattered in 10-30mL tetrahydrofuran solution, ultrasonic vibration 20-40 minutes, the substrate surface coated on clean surface is set
In 50 DEG C of solidification 0.5-1h of air dry oven, the super-hydrophobic carbon film of electrically conductive property had both been obtained.
8. the application of conductive super-hydrophobic biomass carbon material according to claim 6 or 7, which is characterized in that carbon film
Substrate is one of sheet glass, copper sheet, aluminium flake, polyester fiber, stainless steel.
9. the application of conductive super-hydrophobic biomass carbon material according to claim 6 or 7, which is characterized in that silicone
Resin, super-hydrophobic biomass carbon material, silicone resin curing agent mass ratio are 0.5:1:0.05.
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