CN106985238A - A kind of preparation method of the timber of composite graphite alkene layer - Google Patents
A kind of preparation method of the timber of composite graphite alkene layer Download PDFInfo
- Publication number
- CN106985238A CN106985238A CN201710191052.5A CN201710191052A CN106985238A CN 106985238 A CN106985238 A CN 106985238A CN 201710191052 A CN201710191052 A CN 201710191052A CN 106985238 A CN106985238 A CN 106985238A
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- Prior art keywords
- timber
- graphene
- preparation
- graphite alkene
- composite graphite
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/003—Treating of wood not provided for in groups B27K1/00, B27K3/00 by using electromagnetic radiation or mechanical waves
- B27K5/0055—Radio-waves, e.g. microwaves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
Abstract
The invention discloses a kind of preparation method of the timber of composite graphite alkene layer, there is graphene layer in timber Surface coating；The timber Surface coating graphene layer is realized by the following method：Graphene derivative solution is prepared first, then by Graphene derivative solution coating on selected timber surface, then cause timber surface Graphene derivative by microwave heating treatment under setting atmosphere, then timber is left into microwave heating zone and is cooled, the timber of surface recombination graphene layer is obtained.The inventive method is improved the intensity and temperature capacity of timber using the fine and close coating function of the high heat conduction ability and graphene layer of graphene, is reduced heat consumption, save the energy by the coated graphite alkene layer on timber.
Description
Technical field
The invention belongs to the technology of timber processing, it is related to a kind of preparation method of the timber of composite graphite alkene layer, belongs to wood
The technical field of door deep processing.
Background technology
With the raising of family life quality, increasing family, office or public place of entertainment are fitted with timber, due to
The heat-insulated and sealing function of timber, timber is used with outdoor indoors, and especially it is necessary to have anti-for the timber of outdoor application
Rotten, moistureproof, anti-Sai function, way conventional at present is the painting on timber, after using several years, paint it is anti-
It is poor that tide effect will become, and especially anti-Sai effect is more degenerated.
In the environment of long-term insolation, timber is easily deformed, in order to solve the problem it is necessary to the high-quality wood of use
Door, or make specially treated to timber, the cost of timber is thus improved again.
Proposed first in the world for this application on timber be coated with graphene layer so as to using graphene high heat conduction,
Anti-corrosion, protection against the tide, anti-Sai performance, improve anti-corrosion, protection against the tide, heat conduction and the heat dispersion of timber, improve the hardness on timber surface.
The content of the invention
Technical problem：It is an object of the invention to provide a kind of preparation method of the timber of composite graphite alkene layer, by wood
Coated graphite alkene layer on door, leading for timber is improved using the fine and close coating function of the high heat conduction ability and graphene layer of graphene
Heat, radiating and temperature capacity, anti-corrosion, protection against the tide, anti-Sai, the service life for extending timber.
Technical scheme：The present invention is that a kind of preparation method of the timber of composite graphite alkene layer is：Have in timber Surface coating
Graphene layer；The timber Surface coating graphene layer is realized by the following method：Graphene derivative solution is prepared first, so
Then under setting atmosphere timber surface graphene is spread out on selected timber surface Graphene derivative solution coating afterwards
Timber is then left microwave heating zone and is cooled by biology by microwave heating treatment, obtains the wood of surface recombination graphene layer
Door.
Wherein：
Carbon content is more than 90% in the graphene layer.
The Graphene derivative refers to the oxide of graphene, including graphene oxide and redox graphene and stone
Black alkene edge derivative.
The microwave heating treatment, refers to that Graphene derivative absorbs microwave and heats up and cause the graphene of oxidation to be gone back
Original, and the reaction of off-clip edge functional group then occurs for limbic function graphite alkene.
The time of the microwave heating treatment is less than 30 seconds.
The setting atmosphere refers to inert atmosphere, reducing atmosphere or vacuum state；Inert atmosphere refer to gas not with
The gas of graphene-based material reaction；Reducing atmosphere refers to the gas containing reduced graphene derivative in gas；Vacuum shape
State refers to that air pressure is less than 4KPa.
The timber leave microwave heating zone and it is cooled refer to by cold atmosphere or additionally apply cold fluid and
Cooling.
The microwave is heated and then timber leaves microwave heating zone and cooled process can be repeatedly.
The Graphene derivative solution coating then causes the timber quilt on selected timber surface under particular atmosphere
Microwave is heated, and the timber then is left into microwave heating zone and is rapidly cooled, serial procedures can be repeatedly, you can with many
The graphene layer that secondary coating Graphene derivative is thickened with obtaining.The coating includes dip-coating, spraying, brushing, layer assembly painting
Cloth.
Beneficial effect：The present invention compared with prior art, with advantages below：
The present invention proposes to be coated with graphene layer on timber in the world to utilize the high heat conductivility of graphene first
To improve heat conduction and the heat dispersion of timber, anti-corrosion, protection against the tide, anti-Sai, the hardness for improving timber surface extend the use longevity of timber
Life.
The good Surface coating performance of the excellent capacity of heat transmission of graphene and two-dimensional material is used to modify first by the application
Timber, improves the heat conduction, radiating, heat resistance of timber, while improving the case hardness of timber.The inventive method combination graphene
The characteristics of strong characteristic for absorbing microwave and microwave fast heating, Graphene derivative is coated on short time profit behind timber surface
Heating Graphene derivative layer and then quick cooling are concentrated with microwave, so as to avoid conventional high-temperature heating for a long time to timber
Damage, the final timber for obtaining graphene layer cladding.The characteristics of with thermal efficiency height, energy-saving and environmental protection, therefore contribute to preferably
Service society.
Embodiment
With reference to embodiment, the present invention is further illustrated.
Embodiment one：
Graphene oxide powder and redox graphene powder are prepared first.30 grams of graphite mixing 15g sodium nitrate and 750
The milliliter concentrated sulfuric acid.Mixture is cooled to 0 degree Celsius in ice bath, and stirred after 2h, 90 grams of potassium permanganate are slowly added to, kept
Mixture temperature is less than 5 degrees Celsius in mixed process.The mixture is stirred for a hour, and is heated to by removing ice bath
Room temperature.1 liter of distilled water is added in mixture and the temperature in oil bath increases to 90 degrees Celsius.300 milliliters of water are added in addition, and
It is stirred for one and a half hours.The color of mixture becomes brown.Mixture is then with 30% 300 milliliters of hydrogen peroxide and 30 liters
Hot water treatment and dilution.The mixture is further with excessive water washing, until the pH value of solution is almost neutral so as to obtaining
Obtain graphene oxide.Then graphene oxide is disperseed and reduced 12 hours at 80 degrees Celsius with hydrazine hydrate in water.Oxygen reduction
Graphite alkene is formed with black precipitate, is collected by filtration with 0.45 μm of PTFE film, and is rinsed with substantial amounts of water.Product by methanol,
Tetrahydrofuran (THF) and water are further purified with soxhlet extraction.Finally, the redox graphene obtained is at 0.05 millimeter
Subzero 120 degrees Celsius freeze under Hg vacuum environment.The redox graphene of 5 mg/mls is then prepared with deionized water
The aqueous solution.
Timber is coated by the redox graphene aqueous solution immersion liquid pond of 0.5 mg/ml, subsequently into
150 degrees Celsius of drying rooms are dried, and are obtained to surface and are coated with the Combined wooden door of redox graphene layer.Then Combined wooden door is in preceding control
Warm area is cooled to zero degrees celsius, and the middle temperature control for subsequently entering argon gas protection is subzero 10 degrees Celsius of microwave heating zone.Microwave adds
Hot-zone is formed by connecting by 10 1000W micro-wave ovens, and heating zone length reaches 1 meter, and Combined wooden door nationality is heated about 1 second by microwave, with
Cooled down afterwards into temperature for 0 degree Celsius of rear temperature control area, repeat above-mentioned coating-cooling-microwave heating-cooling-and extruded
Cheng Sanci obtains graphene layer carbon content and is more than 90%, and temperature in use scope is compound by subzero 10 degrees Celsius to 100 degrees Celsius
Timber.
Embodiment two：
The graphene platelet of edge carboxylated is prepared first.5 grams of graphite and 100 grams of dry ice add and contain 1000 grams of diameter
In the stainless steel capsule of 5 millimeters of stainless steel balls.Container is sealed and is fixed on planetary ball mill (F-P4000), and with 500rpm
(rev/min) speed is stirred 48 hours.Then, internal pressure is slowly discharged by a gas vent.Pass through at the end of ball milling
Container cover is opened in atmosphere, is triggered carboxylate to occur violent hydration reaction generation carboxylic acid by the wet steam in air and is sent out sudden strain of a muscle
Light.Products obtained therefrom carries out soxhlet type with 1M hydrochloric acid solutions to be thoroughly acidified carboxylate and remove presumable metal impurities.Most
Eventually under 0.05 millimetres of mercury vacuum environment subzero 120 degrees Celsius obtain edge carboxylated graphene nanometer sheet within lyophilized 48 hours
Furvous powder.0.1wt% edge carboxylated graphene nanometer sheet was obtained uniform by ultrasonic 30 minutes in isopropanol
Scattered solution.
0.1wt% edges carboxylated graphene nanometer sheet aqueous isopropanol is sprayed on timber by shower nozzle, repeats to spray
After applying 5 times, 50 degrees Celsius of vacuum drying obtain the Combined wooden door of edge carboxylated graphene layer parcel for 24 hours.By the wood composite
Door causes fiber to be taken the photograph in subzero 10 with the speed of 0.05 meter per second under helium protection by subzero 10 degrees Celsius of temperature control region
Family name's degree, is then heated about 2 seconds for 1000W micro-wave oven heating zone by power, is then again introduced into subzero 10 degrees Celsius
Region is cooled down, and repeats above-mentioned cooling-microwave heating-cooling process 5 times, the temperature in use scope of timber is Celsius by subzero 10
Degree is to 100 degrees Celsius.
Embodiment three：
Edge halo graphene nanometer sheet is prepared first.5 grams of graphite, which are added, contains 1000 grams 5 millimeters of stainless steel balls of diameter
Stainless steel capsule in.Then capsule is sealed and five circulations charge and discharge argon gas under 0.05 millimetres of mercury vacuum pressure condition.
Hereafter, it is that 8.75atm adds chlorine from gas access by cylinder pressure.Container is sealed and is fixed on planetary ball mill (F-
P4000), and with 500rpm (rev/min) speed stir 48 hours.Products obtained therefrom successively carries out Soxhlet with methanol and 1M hydrochloric acid solutions
Extract thoroughly to remove small molecule organic impurities and presumable metal impurities.Finally zero under 0.05 millimetres of mercury vacuum environment
The furvous powder of lower 120 degrees Celsius lyophilized 48 hours acquisition edge chlorination graphene nanometer sheets.Then 0.01 milligram/milli is prepared
The edge chloro graphene aqueous isopropanol risen.
Allow timber apart from 6 centimetres of electrostatic atomiser nozzle, apply 8KV voltage on electrostatic spray nozzles, and it is micro- with 200
Liter/min speed the edge chloro graphene aqueous isopropanol of 0.01 mg/ml is sprayed on timber by nozzle, with
Drying at room temperature afterwards, and electrostatic spraying and drying at room temperature 10 times are repeated, obtain the Combined wooden door of edge chloro graphene coated.Should
Combined wooden door is dried in vacuo 10 hours at 50 degrees Celsius.Then under nitrogen protection by Combined wooden door with the speed of 0.05 meter per second
Under subzero 3 degrees Celsius of temperature environment, about 2 seconds are heated by power for 1000W micro-wave oven heating zone, then again
Cooled down into subzero 3 degrees Celsius of regions, repeat above-mentioned cooling-microwave heating-cooling process 5 times, obtain graphene layer carbon
Content is more than 90%, and temperature in use scope is by subzero 10 degrees Celsius to 100 degrees Celsius.
Claims (9)
1. a kind of preparation method of the timber of composite graphite alkene layer, it is characterised in that have graphene layer in timber Surface coating；Institute
Timber Surface coating graphene layer is stated to realize by the following method：Graphene derivative solution is prepared first, then by graphene
Derivative solution is coated on selected timber surface, then causes timber surface Graphene derivative by microwave under setting atmosphere
Heat, timber is then left into microwave heating zone and is cooled, obtain the timber of surface recombination graphene layer.
2. the preparation method of the timber of composite graphite alkene layer according to claim 1, it is characterised in that the graphene layer
Middle carbon content is more than 90%.
3. the preparation method of the timber of composite graphite alkene layer according to claim 1, it is characterised in that the graphene spreads out
Biology refers to the oxide of graphene, including graphene oxide and redox graphene and graphene edge derivative.
4. the preparation method of the timber of composite graphite alkene layer according to claim 1, it is characterised in that the microwave heating
Processing, refers to that Graphene derivative absorbs microwave and heats up and cause the graphene of oxidation to be reduced, and limbic function graphite
The reaction of off-clip edge functional group then occurs for alkene.
5. the preparation method of the timber of composite graphite alkene layer according to claim 1, it is characterised in that the microwave heating
The time of processing is less than 30 seconds.
6. the preparation method of the timber of composite graphite alkene layer according to claim 1, it is characterised in that the setting atmosphere
Refer to inert atmosphere, reducing atmosphere or vacuum state；Inert atmosphere refers to the gas that gas does not react with graphene-based material
Body；Reducing atmosphere refers to the gas containing reduced graphene derivative in gas；Vacuum state refers to that air pressure is less than 4KPa.
7. the preparation method of the timber of composite graphite alkene layer according to claim 1, it is characterised in that the timber leaves
Microwave heating zone simultaneously cooled refer to by cold atmosphere or additionally applies cold fluid and cool down.
8. the preparation method of the timber of composite graphite alkene layer according to claim 1, it is characterised in that the microwave heating
And then timber leaves microwave heating zone and cooled process can be repeatedly.
9. the preparation method of the timber of composite graphite alkene layer according to claim 1, it is characterised in that the graphene spreads out
Biological solution is coated on selected timber surface, then under particular atmosphere the timber is heated by microwave, then by the wood
Door leaves microwave heating zone and is rapidly cooled, and serial procedures can be repeatedly, you can be repeatedly coated with Graphene derivative
To obtain the graphene layer thickened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191052.5A CN106985238A (en) | 2017-03-27 | 2017-03-27 | A kind of preparation method of the timber of composite graphite alkene layer |
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|---|---|---|---|
| CN201710191052.5A CN106985238A (en) | 2017-03-27 | 2017-03-27 | A kind of preparation method of the timber of composite graphite alkene layer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795000A (en) * | 2018-12-28 | 2019-05-24 | 南京林业大学 | The preparation method of high thermal conductivity veneer graphene dipping improved wood |
| CN110744659A (en) * | 2019-10-30 | 2020-02-04 | 马鞍山市谷庆门业有限公司 | Wooden door processing method for accelerating drying speed of wooden door paint |
| CN110802698A (en) * | 2018-08-06 | 2020-02-18 | 内蒙古农业大学 | Wood-based graphene green conductive composite material and preparation method thereof |
| JP2023091715A (en) * | 2021-12-20 | 2023-06-30 | ケ エム．オー．ハウス シーオー．，エルティーディー | Cooking device and manufacturing method for cooking device |
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Patent Citations (4)
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| CN102755950A (en) * | 2012-07-23 | 2012-10-31 | 贵州新碳高科有限责任公司 | Method for preparing graphene coating and graphene coating prepared according to method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802698A (en) * | 2018-08-06 | 2020-02-18 | 内蒙古农业大学 | Wood-based graphene green conductive composite material and preparation method thereof |
| CN109795000A (en) * | 2018-12-28 | 2019-05-24 | 南京林业大学 | The preparation method of high thermal conductivity veneer graphene dipping improved wood |
| CN110744659A (en) * | 2019-10-30 | 2020-02-04 | 马鞍山市谷庆门业有限公司 | Wooden door processing method for accelerating drying speed of wooden door paint |
| JP2023091715A (en) * | 2021-12-20 | 2023-06-30 | ケ エム．オー．ハウス シーオー．，エルティーディー | Cooking device and manufacturing method for cooking device |
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Application publication date: 20170728 |
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