CN106914962A - A kind of timber of composite graphite alkene layer - Google Patents
A kind of timber of composite graphite alkene layer Download PDFInfo
- Publication number
- CN106914962A CN106914962A CN201710188711.XA CN201710188711A CN106914962A CN 106914962 A CN106914962 A CN 106914962A CN 201710188711 A CN201710188711 A CN 201710188711A CN 106914962 A CN106914962 A CN 106914962A
- Authority
- CN
- China
- Prior art keywords
- timber
- graphene
- layer
- graphite alkene
- composite graphite
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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 timber of composite graphite alkene layer, there is graphene layer in timber Surface coating, carbon content is more than 90% in the graphene layer.The timber Surface coating has graphene layer to be made up of Graphene derivative.The present invention improves 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, reduces heat consumption, energy saving.The present invention proposes to be coated with timber in the world graphene layer so as to, to improve heat conduction and the heat dispersion of timber, anti-corrosion, protection against the tide, anti-Sai, the hardness that improves timber surface extend the service life of timber using Graphene heat conductivility high first.
Description
Technical field
The invention belongs to the technology of timber processing, it is related to a kind of by coating with good heat conductive ability and high surface hardness
Graphene layer and improve the case hardness and heat transfer property of timber, belong to the technical field of timber 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 the timber of outdoor application is, it is necessary to have anti-
The function of rotten, moistureproof, anti-Sai, 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 the especially effect of anti-Sai is more degenerated.
In the environment of long-term insolation, timber is easily deformed, in order to solve the problem it is necessary to use high-quality wood
Door, or make specially treated to timber, the cost of timber is thus improve 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, the performance of anti-Sai, 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 timber of composite graphite alkene layer, by coating stone on timber
Black alkene layer, improved using the fine and close coating function of the high heat conduction ability and graphene layer of Graphene the heat conduction of timber, radiating and
Temperature capacity, anti-corrosion, protection against the tide, anti-Sai, the service life of extension timber.
Technical scheme：A kind of timber of composite graphite alkene layer of the invention, has graphene layer in timber Surface coating.
Preferably, carbon content is more than 90% in the graphene layer.
Preferably, the surface coated graphene layer of timber of the composite graphite alkene layer is made up of Graphene derivative；It is first
Graphene derivative solution is first prepared, then by Graphene derivative solution coating on selected timber surface, then in setting
Timber surface Graphene derivative is caused under atmosphere by microwave heating treatment, timber is then left into heating using microwave area and cold
But, the timber of surface recombination graphene layer is obtained.
Preferably, the Graphene derivative refers to the oxide of Graphene, including graphene oxide and oxygen reduction fossil
Black alkene and graphene edge derivative.
Beneficial effect：The present invention compared with prior art, with advantages below：
(1) present invention proposes to be coated with timber in the world graphene layer so as to using Graphene thermal conductivity high first
Can be to improve heat conduction and the heat dispersion of timber, anti-corrosion, protection against the tide, anti-Sai, the hardness that improves timber surface extend the use of timber
Life-span.
(2) be used for for the good Surface coating performance of the excellent capacity of heat transmission of Graphene and two-dimensional material repairing first by the application
Decorations timber, improves heat conduction, radiating, the heat resistance of timber, while improving the case hardness of timber.One kind that the present invention is provided is answered
The timber for closing graphene layer has the characteristics of thermal efficiency high, energy-saving and environmental protection, hence helps to preferably service society.
Specific embodiment
Prepare the timber of composite graphite alkene layer of the invention：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 in the case where atmosphere is set
Heat, timber is then left into heating using microwave area and is cooled, obtain the timber of surface recombination graphene layer.
Wherein：
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 then there is the reaction of off-clip edge functional group in 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 heating using microwave area and it is cooled refer to by cold atmosphere or additionally apply cold fluid and
Cooling.
The heating using microwave and subsequent timber leave heating using microwave area and cooled process can be repeatedly.
The Graphene derivative solution coating then causes the timber quilt on selected timber surface under particular atmosphere
Heating using microwave, then leaves the timber heating using microwave area and is rapidly cooled, and serial procedures can be repeatedly, you can with many
It is secondary to be coated with Graphene derivative to obtain the graphene layer for thickening.The coating includes that dip-coating, spraying, brushing, layer assembly are applied
Cloth.
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 after stirring 2h, is slowly added to 90 grams of potassium permanganate, keep
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 further with excessive water washing, until the pH value of solution is almost neutral so as to obtain
Obtain graphene oxide.Then graphene oxide is disperseed and is 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 methyl alcohol,
Tetrahydrofuran (THF) and water are further purified with soxhlet extraction.Finally, the redox graphene for being 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 heating using microwave area.Microwave adds
Hot-zone is formed by connecting by 10 1000W micro-wave ovens, and heating zone length reaches 1 meter, Combined wooden door nationality by heating using microwave about 1 second, with
Cooled down into the rear temperature control area that temperature is 0 degree Celsius afterwards, the above-mentioned coating-cooling-heating using microwave of repetition-cool down-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 are added and contain 1000 grams of diameter
In 5 millimeters of stainless steel capsules of stainless steel ball.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 that violent hydration reaction generation carboxylic acid occurs 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 the presumable metal impurities of removal.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.The edge carboxylated graphene nanometer sheet of 0.1wt% is obtained uniform for 30 minutes by the ultrasound 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 that fiber is 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 then again introduced into subzero 10 degrees Celsius by power for the micro-wave oven heating zone of 1000W is heated about 2 seconds
Region is cooled down, and repeats above-mentioned cooling-heating using microwave-cooling procedure 5 times, and 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 are added and contain 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 methyl alcohol 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 lower 120 degrees Celsius furvous powder for obtaining edge chlorination graphene nanometer sheet for lyophilized 48 hours.Then 0.01 milligram/milli is prepared
The edge chloro Graphene aqueous isopropanol for rising.
Allow timber apart from 6 centimetres of electrostatic atomiser nozzle, the voltage of 8KV is applied 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 vacuum dried 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, by power for the micro-wave oven heating zone of 1000W is heated about 2 seconds, then again
Cooled down into subzero 3 degrees Celsius of regions, repeated above-mentioned cooling-heating using microwave-cooling procedure 5 times, obtained graphene layer carbon
Content is more than 90%, and temperature in use scope is by subzero 10 degrees Celsius to 100 degrees Celsius.
Claims (4)
1. the timber of a kind of composite graphite alkene layer, it is characterised in that have graphene layer in timber Surface coating.
2. the timber of composite graphite alkene according to claim 1 layer, it is characterised in that carbon content is big in the graphene layer
In 90%.
3. a kind of timber of composite graphite alkene as claimed in claim 1 or 2 layer, it is characterised in that the composite graphite alkene layer
The surface coated graphene layer of timber is made up of Graphene derivative；Graphene derivative solution is prepared, then Graphene spreads out
Biological solution is coated on selected timber surface, then causes that timber surface Graphene derivative is added by microwave in the case where atmosphere is set
Heat treatment, then leaves timber heating using microwave area and is cooled, obtains the timber of surface recombination graphene layer.
4. the timber of composite graphite alkene according to claim 3 layer, it is characterised in that the Graphene derivative refers to stone
The oxide of black alkene, including graphene oxide and redox graphene and graphene edge derivative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188711.XA CN106914962A (en) | 2017-03-27 | 2017-03-27 | A kind of timber of composite graphite alkene layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188711.XA CN106914962A (en) | 2017-03-27 | 2017-03-27 | A kind of timber of composite graphite alkene layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106914962A true CN106914962A (en) | 2017-07-04 |
Family
ID=59461473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710188711.XA Pending CN106914962A (en) | 2017-03-27 | 2017-03-27 | A kind of timber of composite graphite alkene layer |
Country Status (1)
| Country | Link |
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| CN (1) | CN106914962A (en) |
Cited By (2)
| 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 |
| CN110202659A (en) * | 2019-06-13 | 2019-09-06 | 毛克升 | A kind of amine copper grafted graphene oxide China fir preservative and preparation method thereof and construction technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103466603A (en) * | 2013-08-09 | 2013-12-25 | 中国科学院苏州纳米技术与纳米仿生研究所 | Preparation method of graphene dispersion liquid, and preparation method of graphene film |
| CN104475316A (en) * | 2014-12-03 | 2015-04-01 | 林前锋 | Preparing method of graphene coating |
-
2017
- 2017-03-27 CN CN201710188711.XA patent/CN106914962A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103466603A (en) * | 2013-08-09 | 2013-12-25 | 中国科学院苏州纳米技术与纳米仿生研究所 | Preparation method of graphene dispersion liquid, and preparation method of graphene film |
| CN104475316A (en) * | 2014-12-03 | 2015-04-01 | 林前锋 | Preparing method of graphene coating |
Cited By (2)
| 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 |
| CN110202659A (en) * | 2019-06-13 | 2019-09-06 | 毛克升 | A kind of amine copper grafted graphene oxide China fir preservative and preparation method thereof and construction technology |
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| PB01 | Publication | ||
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Application publication date: 20170704 |