CN107567272B - A kind of absorbing carbon fiber wave material and preparation method thereof - Google Patents
A kind of absorbing carbon fiber wave material and preparation method thereof Download PDFInfo
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- CN107567272B CN107567272B CN201710884199.2A CN201710884199A CN107567272B CN 107567272 B CN107567272 B CN 107567272B CN 201710884199 A CN201710884199 A CN 201710884199A CN 107567272 B CN107567272 B CN 107567272B
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Abstract
Invention provides a kind of absorbing carbon fiber wave material and preparation method thereof, and the absorbing carbon fiber wave material includes: carbon fiber felt and alloy, and the alloy is covered in the surface of the carbon fiber.The laminating gold on the surface of carbon fiber, so that the weight of the absorbing carbon fiber wave material is low, surface density is only 350g~400g/ square metres, and the storage of material softness is easy to use.
Description
Technical field
The invention belongs to non-woven material field, it is related to a kind of absorbing carbon fiber wave material and preparation method thereof.
Background technique
With the development of modern science and technology, influence of the electromagenetic wave radiation to environment increasingly increases.Militarily, wave material is inhaled
Material can be used as stealth material, by covering absorbing material on surfaces such as vehicle, naval vessel and aircrafts, can effectively reduce target
Radar area increases the difficulty that target is found, thus a possibility that promoting operation success.On airport, flight because
Electromagnetic Interference can not take off and overdue；In hospital, mobile phone can often interfere the normal work of various electronic instrument for diagnosing and curing diseases devices.Cause
This, administers electromagnetic pollution, finds a kind of material-absorbing material that can be kept out and weaken electromagenetic wave radiation, it has also become materialogy
One big project.
Carbon fiber has excellent electric conductivity.In early stage research, carbon fiber is added as resin tooth body, increased carbon
Fibre weight is even more up to 40%, and this carbon fibre composite is almost totally reflected electromagnetic wave, only passes through specially treated
Carbon fiber just there is certain absorbing property.Its processing method is: the cross section of carbon fiber being made into trilobal or has corner angle
Rectangular equal special-shaped interface；It is modified that surface is carried out to it, is coated the resin containing electromagnetic consumable medium on its surface, is deposited one layer
The carbon dust in small hole sprays nickel or fluoride processing etc.；Using the fiber of the specific conductivity of low-firing.
But above-mentioned processing method is cumbersome, higher cost, and manufactured absorbing material has weight, hard etc. and determines, needs one kind
The absorbing carbon fiber wave material of material softness.
Summary of the invention
The purpose of the invention is to absorbing materials than heavier, hard deficiency, provide a kind of absorbing carbon fiber of material softness
Wave material and preparation method thereof.
The present invention provides a kind of absorbing carbon fiber wave materials, comprising: carbon fiber felt and alloy, the alloy are covered in described
The surface of carbon fiber.
Preferably, in above-mentioned absorbing carbon fiber wave material, the alloy includes: iron, cobalt or nickel.
Preferably, in above-mentioned absorbing carbon fiber wave material, comprising:
Prepare carbon fiber oxidization fiber felt；
Configure metal salt solution；
The carbon fiber oxidization fiber felt is put into the metal salt solution and is dipped；
According to the carbon fiber oxidization fiber felt after dipping, absorbing carbon fiber wave material is prepared.
Preferably, in above-mentioned absorbing carbon fiber wave material, further includes:
The carbon fiber oxidization fiber felt is pre-processed；
The pretreated carbon fiber oxidization fiber felt is placed in the metal salt solution and is dipped.
Preferably, in above-mentioned absorbing carbon fiber wave material, the pretreatment includes:
Carbon fiber oxidization fiber felt dehydrated alcohol is cleaned by ultrasonic the first setting time；
Then first time drying is carried out to the carbon fiber oxidization fiber felt cleaned.
Preferably, in above-mentioned absorbing carbon fiber wave material, first setting time is 0.5 hour~20 hours, institute
The temperature range for stating drying for the first time includes: 30 DEG C~150 DEG C.
Preferably, in above-mentioned absorbing carbon fiber wave material, the metal salt solution includes: cobalt sulfate, anhydrous chlorine
Change iron, nickel sulfate hexahydrate and distilled water.
Preferably, in above-mentioned absorbing carbon fiber wave material, the metal salt solution is configured, comprising: by seven water of 0-100g
Cobaltous sulfate, 0-100g anhydrous ferric chloride and 0-100g nickel sulfate hexahydrate are added in 50-500mL distilled water, and are stirred completely,
It is uniformly mixed it.
Preferably, in above-mentioned absorbing carbon fiber wave material, it is molten that the carbon fiber oxidization fiber felt is put into the metal salt
It is dipped in liquid, comprising:
The carbon fiber oxidization fiber felt is put into three leachings three in the metal salt solution to prick.
Preferably, in above-mentioned absorbing carbon fiber wave material, according to the carbon fiber oxidization fiber felt after dipping, carbon fiber is prepared
Absorbing material, comprising:
The carbon fiber oxidization fiber felt dipped is carried out second to dry；
Carbon fiber oxidization fiber felt after drying is prepared in nitrogen environment.
Preferably, in above-mentioned absorbing carbon fiber wave material, the temperature range of second drying includes: 30 DEG C~
150℃。
Preferably, in above-mentioned absorbing carbon fiber wave material, preparing the absorbing carbon fiber wave material includes:
The carbon fiber oxidization fiber felt of drying is put into the furnace for be connected with nitrogen and is warming up to 400~1200 with 1~20 DEG C/min
DEG C, keep the temperature 0~5 hour.
In absorbing carbon fiber wave material provided by the invention and preparation method thereof, the laminating gold on the surface of carbon fiber, so that
The weight of the absorbing carbon fiber wave material is low, and surface density is only 350g~400g/ square metres, and the storage of material softness is easy to use.
Detailed description of the invention
Fig. 1 is the flow chart of the preparation method of absorbing carbon fiber wave material in one embodiment of the invention.
Specific embodiment
Invention is further described in detail With reference to embodiment.
The embodiment of the invention provides a kind of absorbing carbon fiber wave materials and preparation method thereof, specifically, the absorbing carbon fiber
Wave material includes: carbon fiber felt and alloy, and the alloy is covered in the surface of the carbon fiber.By resistive losses and magnetic loss
Material is effectively combined.
Further, the alloy includes but is not limited to: iron, cobalt or nickel.
The embodiment of the invention also provides a kind of preparation methods of above-mentioned absorbing carbon fiber wave material, specifically, such as Fig. 1 institute
Show, Fig. 1 is the flow chart of the preparation method of absorbing carbon fiber wave material in one embodiment of the invention.The described method includes: preparing carbon
Fiber oxidization fiber felt, step S101 as shown in figure 1；Configure the step S103 of metal salt solution as shown in figure 1；The carbon fiber is pre-
Oxygen silk felt, which is put into the metal salt solution, to be dipped, step S105 as shown in figure 1；Then, according to the pre- oxygen of carbon fiber after dipping
Silk felt, prepares absorbing carbon fiber wave material, step S107 as shown in figure 1.
Specifically, step S101: preparing carbon fiber oxidization fiber felt.
Firstly, preparing oxidization fiber felt with oxidization fiber.Then the carbon fiber oxidization fiber felt is pre-processed.The pre- place
Reason includes: that the carbon fiber oxidization fiber felt dehydrated alcohol is cleaned by ultrasonic the first setting time, is then cleaned to described
Carbon fiber oxidization fiber felt carry out first time drying.
In one embodiment of the invention, first setting time is 0.5 hour~20 hours, preferably, described
First setting time is 0.5 hour~10 hours, for example, be cleaned by ultrasonic described carbon fiber oxidization fiber felt 1 hour with dehydrated alcohol,
Perhaps 2 hours perhaps 4 hours perhaps 7 hours or 9 hours, then either 10 hours.It should be noted that in the present invention
Other embodiments in, first setting time can also be adjusted according to the actual situation.
After cleaning the carbon fiber oxidization fiber felt, need to carry out the to the carbon fiber oxidization fiber felt after cleaning
First drying, in one embodiment of this invention, the temperature range of the first time drying includes: 40 DEG C~150 DEG C, preferably
, in an embodiment of the present invention, the temperature of the first time drying is 30 DEG C~120 DEG C, for example, to the pre- oxygen of the carbon fiber
The temperature that silk felt carries out first time drying can be 30 DEG C, 40 DEG C, 50 DEG C, 81 DEG C, 100 DEG C, 110 DEG C and 119 DEG C.In this hair
In bright other embodiments, the temperature of the first time drying can also be other numerical value.
Step S103: configuration metal salt solution.
Specifically, the metal salt solution includes: cobalt sulfate, anhydrous ferric chloride, nickel sulfate hexahydrate and distilled water.
Using cobalt sulfate, anhydrous ferric chloride, nickel sulfate hexahydrate and distilled water configure the metal salt solution the step of include: by
0-100g cobalt sulfate, 0-100g anhydrous ferric chloride and 0-100g nickel sulfate hexahydrate are added in 50-500mL distilled water,
And stir completely, it is uniformly mixed it.
Step S105: the carbon fiber oxidization fiber felt is put into the metal salt solution and is dipped.
Specifically, carrying out three leachings three for being put into the metal salt solution by the carbon fiber oxidization fiber felt of drying for the first time
It pricks.
Step S107: according to the carbon fiber oxidization fiber felt after dipping, absorbing carbon fiber wave material is prepared.
It is dried firstly, the carbon fiber oxidization fiber felt after dipping carries out second.
Specifically, the temperature range of second of drying is 40 DEG C~150 DEG C, preferably, in one embodiment of the invention
In, the temperature of second of drying is 30 DEG C~120 DEG C, is dried for example, carrying out second to the carbon fiber oxidization fiber felt
Temperature can be 30 DEG C, 40 DEG C, 50 DEG C, 81 DEG C, 100 DEG C, 110 DEG C and 119 DEG C.In other embodiments of the invention,
The temperature of second of drying can also be other numerical value.
Then, the carbon fiber oxidization fiber felt after drying is prepared in nitrogen environment.
Specifically, by being put into the tube furnace for be connected with nitrogen by the carbon fiber oxidization fiber felt of second of drying with 1~20
DEG C/min is warming up to 400~1200 DEG C, and keeps the temperature 0~5 hour.
The absorbing carbon fiber wave material prepared using the above method, resistive losses and magnetic loss are effectively combined,
So that the absorbing carbon fiber wave material has good absorbing property in 2GHZ~40GHZ wave band, especially in 8~40GHZ wave
Dynamic absorbing property is all approximately less than -10dB, reaches -40Db in 32GHZ or so.And the weight of the absorbing carbon fiber wave material
Low, surface density is only 350g~400g/ square metres, and the storage of material softness is easy to use.
It is laminating on the surface of carbon fiber in absorbing carbon fiber wave material provided in an embodiment of the present invention and preparation method thereof
Gold, so that the weight of the absorbing carbon fiber wave material is low, surface density is only 350g~400g/ square metres, and material softness storage makes
With conveniently.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (8)
1. a kind of preparation method of absorbing carbon fiber wave material characterized by comprising
Prepare carbon fiber oxidization fiber felt；
Configure metal salt solution；
The carbon fiber oxidization fiber felt is pre-processed, the carbon fiber oxidization fiber felt washes of absolute alcohol first is set
Time, the first setting time range include: 0.5 hour~20 hours；
Then first time drying, the temperature range packet of the first time drying are carried out to the carbon fiber oxidization fiber felt cleaned
It includes: 30 DEG C~150 DEG C；
The carbon fiber oxidization fiber felt is put into the metal salt solution and is dipped；
According to the carbon fiber oxidization fiber felt after dipping, preparing absorbing carbon fiber wave material includes: the carbon fiber oxidization fiber that will be dipped
Felt, which carries out second, dries, and the temperature range of second of drying includes: 30 DEG C~150 DEG C；
The carbon fiber oxidization fiber felt of drying is put into furnace and is warming up to 400~1200 DEG C with 1~20 DEG C/min, heat preservation 0~5 is small
When.
2. the preparation method of absorbing carbon fiber wave material as described in claim 1, which is characterized in that the pretreatment includes:
The carbon fiber oxidization fiber felt is cleaned by ultrasonic the first setting time.
3. the preparation method of absorbing carbon fiber wave material as described in claim 1, which is characterized in that the metal salt solution packet
It includes: cobalt sulfate, anhydrous ferric chloride, nickel sulfate hexahydrate and distilled water.
4. the preparation method of absorbing carbon fiber wave material as claimed in claim 3, which is characterized in that it is molten to configure the metal salt
Liquid, comprising: 0-100g cobalt sulfate, 0-100g anhydrous ferric chloride and 0-100g nickel sulfate hexahydrate are added to 50-500mL
It in distilled water, and stirs completely, is uniformly mixed it.
5. the preparation method of absorbing carbon fiber wave material as described in claim 1, which is characterized in that by the carbon fiber oxidization fiber
Felt is put into the metal salt solution and dips, comprising:
The carbon fiber oxidization fiber felt is put into three leachings three in the metal salt solution to prick.
6. the preparation method of absorbing carbon fiber wave material as described in claim 1, which is characterized in that according to the carbon fiber after dipping
Oxidization fiber felt prepares absorbing carbon fiber wave material, comprising:
Carbon fiber oxidization fiber felt after drying is prepared in nitrogen environment.
7. a kind of absorbing carbon fiber wave material characterized by comprising carbon fiber felt and alloy, the alloy are covered in the carbon
The surface of fibrofelt, the absorbing carbon fiber wave material are prepared using preparation method according to any one of claims 1 to 6.
8. absorbing carbon fiber wave material as claimed in claim 7, which is characterized in that the alloy includes: iron, cobalt or nickel.
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| CN108659790A (en) * | 2018-04-26 | 2018-10-16 | 南通大学 | A kind of preparation method of the composite wave-suction material of magnetic-particle intercalation porous graphene |
| CN110241611B (en) * | 2019-06-18 | 2021-09-24 | 南通大学 | High-temperature-resistant carbon fiber magnetic wave-absorbing composite material and preparation method thereof |
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| CN103436870A (en) * | 2013-08-08 | 2013-12-11 | 南京理工大学 | Method for chemically plating Ni-Co-W-P alloy on surfaces of carbon fibers |
| CN103436994A (en) * | 2013-08-05 | 2013-12-11 | 江苏科技大学 | Fe-Ni alloy/C composite nanofiber microwave absorbent, preparation method and application of absorbent |
| CN103726087A (en) * | 2013-05-28 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Method of pulse electrodeposition on nickel coating by carbon fiber preform |
| CN106498717A (en) * | 2016-11-08 | 2017-03-15 | 长春工业大学 | A kind of method that carbon fiber surface plates multiple layer metal |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726087A (en) * | 2013-05-28 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Method of pulse electrodeposition on nickel coating by carbon fiber preform |
| CN103436994A (en) * | 2013-08-05 | 2013-12-11 | 江苏科技大学 | Fe-Ni alloy/C composite nanofiber microwave absorbent, preparation method and application of absorbent |
| CN103436870A (en) * | 2013-08-08 | 2013-12-11 | 南京理工大学 | Method for chemically plating Ni-Co-W-P alloy on surfaces of carbon fibers |
| CN106498717A (en) * | 2016-11-08 | 2017-03-15 | 长春工业大学 | A kind of method that carbon fiber surface plates multiple layer metal |
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Effective date of registration: 20201116 Address after: 401, North building, Financial Street, Xianfeng street, Tongzhou District, Nantong City, Jiangsu Province, 226000 Patentee after: Nantong daishengjie Home Technology Co., Ltd Address before: 226019 Jiangsu city of Nantong province sik Road No. 9 Patentee before: NANTONG University |