CN102618824A - Carbon fiber product capable of resisting fingerprint and preparation method thereof - Google Patents
Carbon fiber product capable of resisting fingerprint and preparation method thereof Download PDFInfo
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- CN102618824A CN102618824A CN2011100310080A CN201110031008A CN102618824A CN 102618824 A CN102618824 A CN 102618824A CN 2011100310080 A CN2011100310080 A CN 2011100310080A CN 201110031008 A CN201110031008 A CN 201110031008A CN 102618824 A CN102618824 A CN 102618824A
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Abstract
The invention provides a carbon fiber product capable of resisting a fingerprint and a preparation method thereof. The carbon fiber product capable of resisting a fingerprint comprises a carbon fiber matrix and a fingerprint-resistant layer formed on the surface of the carbon fiber matrix, wherein the fingerprint-resistant layer is a perfluorocarbon layer; and perfluorocarbon has a chemical formula of CFx and x is greater than 0 and is less than 2.5. The preparation method of the carbon fiber product capable of resisting a fingerprint comprises the following steps of providing the carbon fiber matrix, and depositing the fingerprint-resistant layer composed of perfluorocarbon on the surface of the carbon fiber matrix by adopting a graphite target as a target material, carbon tetrafluoride gas as reaction gas and a magnetron sputtering coating method, wherein perfluorocarbon has a chemical formula of CFx and x is greater than 0 and is less than 2.5. The carbon fiber product obtained by the preparation method has a good fingerprint-resistant function.
Description
Technical field
The present invention relates to a kind of carbon fiber product and preparation method thereof, relate in particular to a kind of preparation method with carbon fiber product and this carbon fiber product of anti-fingerprint function.
Background technology
Wellability like hydrophobic oleophobic property, is a key character of solid surface, brings great convenience can for people's life.
Carbon fibre material is a kind of material of excellent property, and its density is low, specific modulus is high, specific tenacity is high and can be high temperature resistant, corrosion-resistant etc., has been widely used in electronic product casing, transport facility, space flight and aviation product and the material of construction.Usually, the carbon fibre material of above-mentioned application does not have hydrophobic oleophobic property (or anti-fingerprint function).
In order to make said carbon fibre material realize hydrophobic function, can pass through in the forming process of thomel, to prolong carbonization time to 1-4 hour (carbonization temperature 900-1600 ℃), and make the thomel that obtains possess hydrophobic function.Yet, only need several minutes to tens minutes situation compared to the carbonization time of routine, this kind through prolong carbonization time with the method for realization hydrophobic function undoubtedly can consume significant energy, cause the very big increase of cost.
Summary of the invention
Given this, be necessary to provide a kind of lower-cost and carbon fiber product with anti-fingerprint function.
In addition, also be necessary to provide a kind of preparation method of above-mentioned carbon fiber product.
A kind of carbon fiber product, it comprises a carbon fiber substrate and is formed at the anti-fingerprint layer on this carbon fiber substrate surface, and this anti-fingerprint layer is for fluoridizing carbon-coating, and the chemical formula of this fluorocarbons is CF
x, 0＜x＜2.5 wherein.
A kind of preparation method of carbon fiber product, it comprises the steps:
One carbon fiber substrate is provided;
With the graphite target is target, is reactant gases with the carbon tetrafluoride gas, adopts the anti-fingerprint layer of magnetron sputtering embrane method at the surface deposition carbon monofluoride of this carbon fiber substrate, and the chemical formula of this fluorocarbons is CF
x, 0＜x＜2.5 wherein.
Described carbon fiber product forms carbon monofluoride (CF through carry out magnetron sputtering plating in the carbon fiber substrate surface of routine
x) anti-fingerprint layer, the preferable anti-fingerprint function that is achieved compared to prior art, has been avoided the consumption of huge energy, has reduced cost.
Description of drawings
Fig. 1 is the cross-sectional schematic of the carbon fiber product of preferred embodiments of the present invention.
Fig. 2 is the schematic top plan view of the magnetron sputtering coater of preferred embodiments of the present invention.
The main element nomenclature
Coating chamber 21
Embodiment
See also Fig. 1, the carbon fiber product 10 of the present invention's one preferred embodiments comprises carbon fiber substrate 11 and is formed at the anti-fingerprint layer 13 on the carbon fiber substrate 11.This carbon fiber product 10 can be housing, vehicle shell material, space flight and aviation product material or the structure material etc. of portable electron device.
Said carbon fiber substrate 11 can obtain through the conventional preparation method of thomel.
Said carbon fiber product 10 has been carried out the test of water oil contact angle, and the result shows that the contact angle of said anti-fingerprint layer 13 and water oil mixt proves that said carbon fiber product 10 has good anti-fingerprint function between 108-120.8 °.
The preparation method of the carbon fiber product 10 of preferred embodiments of the present invention comprises the steps:
Plasma clean is carried out on surface to the carbon fiber substrate 11 after above-mentioned cleaning pre-treatment, dirty with further removal carbon fiber substrate 11 surfaces, and the bonding force of improving carbon fiber substrate 11 surfaces and subsequent plating layer.
See also Fig. 2, carbon fiber substrate 11 is put into the coating chamber 21 of magnetron sputtering coating equipment 20, the graphite target 23 of packing into.Vacuumizing this coating chamber 21 to base vacuum degree is 3.0 * 10
-5Torr, feeding flow then is the working gas argon gas (purity is 99.999%) of 300-500sccm (standard milliliter per minute), and to carbon fiber substrate 11 apply-200～-bias voltage of 300V, make in the coating chamber 21 and produce high-frequency voltage.The plasma and produce the high energy argon plasma under high-frequency voltage of said argon gas, this high energy argon plasma carries out physical bombardment to the surface of carbon fiber substrate 11, thereby disposes the dirty of carbon fiber substrate 11 surfaces, reaches the purpose of cleaning.The time of said plasma clean can be 5-10 minute.
After said plasma clean is accomplished, in said coating chamber 21 with the magnetron sputtering embrane method, like the medium frequency magnetron sputtering plating method, at the anti-fingerprint layer 13 of the surperficial sputter of carbon fiber substrate 11.During this anti-fingerprint layer 13 of sputter, heating said coating chamber 21 to temperature is 150-240 ℃ (being that the sputter temperature is 150-240 ℃), and the flow of regulating argon gas is 300-450sccm, and feeding flow is the reactant gases tetrafluoro-methane (CF of 60-200sccm
4); Regulate carbon fiber substrate 11 be biased into-50～-300V; The dutycycle of bias voltage is 30-50%, opens the power supply of graphite target 23, at this moment; Carbon tetrafluoride gas produces photoglow and ionization, is deposited on the surface of said carbon fiber substrate 11 behind the particle reaction that the tetrafluoro-methane of this ionization and graphite target 23 sputter and forms anti-fingerprint layer 13.This anti-fingerprint layer 13 is CF
xLayer, wherein 0＜x＜2.5.The time that deposits said anti-fingerprint layer 13 is 38-60 minute.Said graphite target 23 can be controlled by intermediate frequency power supply, and its power is 8-10kW.This anti-fingerprint layer 13 is nano level amorphous structure, and its thickness is between 600-800nm.
Below in conjunction with specific embodiment the preparation method of carbon fiber product 10 and the anti-fingerprint performance of carbon fiber product 10 are described.Pre-treatment is all undertaken by the mode of above-mentioned exposure among each embodiment, no longer details here.
Embodiment 1
Plasma clean: argon flow amount is 500sccm, and the bias voltage of carbon fiber substrate 11 is-200V that the time of plasma clean is 8 minutes;
Preparation fluorocarbons (CF
x) layer to form anti-fingerprint layer 13: argon flow amount is 330sccm, and the flow of carbon tetrafluoride gas is 70sccm, and the bias voltage of carbon fiber substrate 11 is-175V; The power of graphite target 23 is 8kW; The sputter temperature is 150 ℃, and the sputter time is 40 minutes, and the thickness of anti-fingerprint layer 13 is 620nm.Wherein, CF
xThe value of middle x is 1.5.
Contact angle by prepared anti-fingerprint layer 13 of present embodiment method and water oil mixt is 108 °.
Embodiment 2
Plasma clean: argon flow amount is 500sccm, and the bias voltage of carbon fiber substrate 11 is-200V that the time of plasma clean is 8 minutes;
Preparation fluorocarbons (CF
x) layer to form anti-fingerprint layer 13: argon flow amount is 330sccm, and the flow of carbon tetrafluoride gas is 95sccm, and the bias voltage of carbon fiber substrate 11 is-175V; The power of graphite target 23 is 8kW; The sputter temperature is 150 ℃, and the sputter time is 40 minutes, and the thickness of anti-fingerprint layer 13 is 680nm.Wherein, CF
xThe value of middle x is 1.8.
Contact angle by prepared anti-fingerprint layer 13 of present embodiment method and water oil mixt is 112.8 °.
Embodiment 3
Plasma clean: argon flow amount is 500sccm, and the bias voltage of carbon fiber substrate 11 is-200V that the time of plasma clean is 8 minutes;
Preparation fluorocarbons (CF
x) layer to form anti-fingerprint layer 13: argon flow amount is 330sccm, and the flow of carbon tetrafluoride gas is 150sccm, and the bias voltage of carbon fiber substrate 11 is-175V; The power of graphite target 23 is 9kW; The sputter temperature is 200 ℃, and the sputter time is 40 minutes, and the thickness of anti-fingerprint layer 13 is 795nm.Wherein, CF
xThe value of middle x is 2.2.
Contact angle by prepared anti-fingerprint layer 13 of present embodiment method and water oil mixt is 120 °.
Described carbon fiber product 10 forms carbon monofluoride (CF through carry out magnetron sputtering plating in carbon fiber substrate 11 surfaces of routine
x) anti-fingerprint layer 13, the preferable anti-fingerprint function that is achieved compared to prior art, has been avoided the consumption of huge energy, has reduced cost.
In addition, those skilled in the art also can make various modifications, interpolation and the replacement on other form and the details in claim of the present invention scope of disclosure and spirit.Certainly, these all should be included within the present invention's scope required for protection according to the variations such as various modifications, interpolation and replacement that the present invention's spirit is made.
Claims (9)
1. carbon fiber product, it comprises a carbon fiber substrate, it is characterized in that: this carbon fiber product also comprises the anti-fingerprint layer that is formed at this carbon fiber substrate surface, and this anti-fingerprint layer is for fluoridizing carbon-coating, and the chemical formula of this fluorocarbons is CF
x, 0＜x＜2.5 wherein.
2. carbon fiber product as claimed in claim 1 is characterized in that: said anti-fingerprint layer is nano level amorphous structure, and its thickness is 600-800nm.
3. carbon fiber product as claimed in claim 1 is characterized in that: said anti-fingerprint layer forms with the magnetron sputtering embrane method.
4. carbon fiber product as claimed in claim 1 is characterized in that: the contact angle of said anti-fingerprint layer and water oil mixt is between 108-120.8 °.
5. carbon fiber product as claimed in claim 1 is characterized in that: said carbon fiber product is housing, vehicle shell material, space flight and aviation product material or the structure material of portable electron device.
6. the preparation method of a carbon fiber product, it comprises the steps:
One carbon fiber substrate is provided;
With the graphite target is target, is reactant gases with the carbon tetrafluoride gas, adopts the anti-fingerprint layer of magnetron sputtering embrane method at the surface deposition carbon monofluoride of this carbon fiber substrate, and the chemical formula of this fluorocarbons is CF
x, 0＜x＜2.5 wherein.
7. the preparation method of carbon fiber product as claimed in claim 6 is characterized in that: the said anti-fingerprint layer of sputter to carbon fiber substrate setting-50～-bias voltage of 300V, the dutycycle of bias voltage is 30-50%; The sputter temperature is 150-240 ℃; The flow of tetrafluoro-methane is 60-200sccm, is working gas with the argon gas, and the flow of argon gas is 300-450sccm; The power of graphite target is 8-10kW, and the sputter time is 38-60 minute.
8. the preparation method of carbon fiber product as claimed in claim 6 is characterized in that: said preparation method also is included in before the anti-fingerprint layer of sputter the step that carbon fiber substrate is cleaned pre-treatment and plasma clean.
9. the preparation method of carbon fiber product as claimed in claim 8; It is characterized in that: said plasma clean is working gas with the argon gas; The flow of argon gas is 300-500sccm, to carbon fiber substrate apply-200～-bias voltage of 300V, the time of plasma clean is 5-10 minute.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100310080A CN102618824A (en) | 2011-01-28 | 2011-01-28 | Carbon fiber product capable of resisting fingerprint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100310080A CN102618824A (en) | 2011-01-28 | 2011-01-28 | Carbon fiber product capable of resisting fingerprint and preparation method thereof |
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| CN102618824A true CN102618824A (en) | 2012-08-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621529A (en) * | 2017-03-16 | 2018-10-09 | 刘沛环 | A kind of soft-sided frame all standing attaching process of 3D bend glasses |
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| CN1488486A (en) * | 2002-08-09 | 2004-04-14 | 麦克赛尔高技术株式会社 | Injection molding device and member used thereof and surface treatment method |
| WO2005084943A2 (en) * | 2004-02-24 | 2005-09-15 | Saint-Gobain Glass France | Substrate, such as a glass substrate, with a hydrophobic surface and improved durability of hydrophobic properties |
| CN1791701A (en) * | 2003-04-25 | 2006-06-21 | 亚利桑那西格玛实验室公司 | Porous materials functionalized by vacuum deposition |
| CN101113512A (en) * | 2007-07-06 | 2008-01-30 | 青岛大学 | Method for preparing fluorine-carbon macromolecule/nano zinc oxide hybridization material |
| CN101768740A (en) * | 2008-12-31 | 2010-07-07 | 兆震实业股份有限公司 | Method for processing surface of touch control element |
-
2011
- 2011-01-28 CN CN2011100310080A patent/CN102618824A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488486A (en) * | 2002-08-09 | 2004-04-14 | 麦克赛尔高技术株式会社 | Injection molding device and member used thereof and surface treatment method |
| CN1791701A (en) * | 2003-04-25 | 2006-06-21 | 亚利桑那西格玛实验室公司 | Porous materials functionalized by vacuum deposition |
| WO2005084943A2 (en) * | 2004-02-24 | 2005-09-15 | Saint-Gobain Glass France | Substrate, such as a glass substrate, with a hydrophobic surface and improved durability of hydrophobic properties |
| CN101113512A (en) * | 2007-07-06 | 2008-01-30 | 青岛大学 | Method for preparing fluorine-carbon macromolecule/nano zinc oxide hybridization material |
| CN101768740A (en) * | 2008-12-31 | 2010-07-07 | 兆震实业股份有限公司 | Method for processing surface of touch control element |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108621529A (en) * | 2017-03-16 | 2018-10-09 | 刘沛环 | A kind of soft-sided frame all standing attaching process of 3D bend glasses |
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Application publication date: 20120801 |