CN207891471U - Oxidized fiber structures - Google Patents
Oxidized fiber structures Download PDFInfo
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- CN207891471U CN207891471U CN201820187510.8U CN201820187510U CN207891471U CN 207891471 U CN207891471 U CN 207891471U CN 201820187510 U CN201820187510 U CN 201820187510U CN 207891471 U CN207891471 U CN 207891471U
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- fibre
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- 239000000835 fiber Substances 0.000 title claims abstract description 262
- 229910052760 oxygen Inorganic materials 0.000 claims description 26
- 239000001301 oxygen Substances 0.000 claims description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 25
- 239000000126 substance Substances 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 63
- 230000003647 oxidation Effects 0.000 abstract description 59
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 32
- 239000004917 carbon fiber Substances 0.000 abstract description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 32
- 238000011282 treatment Methods 0.000 abstract description 31
- 238000005253 cladding Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 62
- 238000000034 method Methods 0.000 description 46
- 239000007789 gas Substances 0.000 description 31
- 230000005540 biological transmission Effects 0.000 description 23
- 238000010438 heat treatment Methods 0.000 description 18
- 229920002239 polyacrylonitrile Polymers 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- 238000003763 carbonization Methods 0.000 description 13
- 238000004804 winding Methods 0.000 description 13
- 230000000704 physical effect Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000036760 body temperature Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/10—Chemical after-treatment of artificial filaments or the like during manufacture of carbon
- D01F11/16—Chemical after-treatment of artificial filaments or the like during manufacture of carbon by physicochemical methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/04—Supporting filaments or the like during their treatment
- D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
- D01D10/0454—Supporting filaments or the like during their treatment while in continuous movement using reels
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
- D01F9/225—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles from stabilised polyacrylonitriles
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/04—Silk
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/063—Load-responsive characteristics high strength
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Fibers (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The utility model relates to an oxidation fiber structure, this oxidation fiber structure contain at least oxidation fibre, and this oxidation fibre still contains an oxide layer and a core, and this oxide layer cladding is in the outside of this core. The utility model discloses the microwave focus that utilizes microwave processing unit is executed hypervelocity preoxidation to the fibre yarn bundle that passes through, become fibre yarn bundle processing oxidation fiber, not only can effectively reduce oxidation fiber's oxidation time, and oxidation fiber during as oxidation fiber takes up more than 50% of this oxidation fiber's cross sectional area through the oxidation layer of microwave focus oxidation treatment at least, effectively reduce oxidation fiber's skin-core structure, can let oxidation fiber reach no obvious skin-core structure even, with relative more positive, reliable means promotion carbon fiber performance.
Description
Technical field
The utility model is related with the preoxidation technique of carbon fiber, and mainly disclosing a kind of helps to promote carbon fiber performance
Oxidized fibre structure.
Background technology
Carbon fiber is a series of novel carbon materials of the phosphorus content that is transformed after heat treatments of organic fiber 90% or more
Material, with high specific strength, high ratio modulus, high conductivity and thermal conductivity, low thermal coefficient of expansion, low-density, high temperature resistant, resistance to tired
The a series of excellent properties such as labor, creep resistant, self-lubricating are a kind of ideal functional material and structural material, are widely used in
The fields such as space flight, civil aviation and transport, and have broad application prospects.
Polyacrylonitrile (polyacrylonitrile, PAN) as precursor carbon fiber preparation process include polymerization,
Spinning, pre-oxidation and carbonization, wherein preoxidation process are at the critical stage that structure changes in carbon fiber preparation process, and heat
In the most time-consuming stage during reason, the purpose is to keep the oxidation that the linear macromolecule chain of polyacrylonitrile is converted into tool heat resistant structure fine
Dimension, makes it not melted in subsequent carbonization non-ignitable, and can keep fibre morphology.
The structure transformation of precursor largely decides the structure and performance of carbon fiber in preoxidation process, in industry
In metaplasia production, the pre-oxidation mode of gradient increased temperature is mostly used, suitable temperature gradient is necessary in the process, starting
If temperature is too low, preoxidation process is not contributed, expends time increase cost, but initial temperature is too high, violent reaction
Heat release can make the PAN macromolecular chains of not temperature capacity fuse；In addition, if final temperature is too high, concentrate heat release that can destroy pre-
The structure of oxygen silk, and cause excessively to pre-oxidize, it is unfavorable for preparing high-strength carbon fiber, but final temperature is too low, and may make
Precursor cannot be pre-oxidized adequately.
Furthermore when carrying out pre-oxidation in a manner of heating, with the progress of pre-oxidation, since heat is by precursor
Outer layer transmitted toward internal layer, therefore first can form the oxide layer (skin zone) of fine and close trapezium structure in the outer layer of precursor, this is instead
It hinders oxygen to spread to the core of precursor internal layer, the fiber 11 in an oxidized fibre 10 as shown in Figure 1 is caused to generate oxygen
One skin-core structure of unoxidized 112 notable difference of a core of 111 (skin zone) Buddhist monk of an oxide layer changed, the oxide layer 111
There are a core-skin interfaces 113 between the core 112.The inspection of the skin-core structure using scanning electron microscope (SEM,
Scanning Electron Microscope) entity striograph is shot to observe the section of the oxidized fibre and calculate separately this
The cross-sectional area of oxide layer and the cross-sectional area of the core and the cross-sectional area of the oxidized fibre, the degree mirror of the skin-core structure
It is the section face that core ratio (%) is equal to the cross-sectional area of the core divided by the cross-sectional area and the core of the oxide layer to determine method
The sum of product, that is, core ratio (%) is equal to the cross-sectional area of the core divided by the cross-sectional area of the oxidized fibre.In addition, the oxygen
The physical property of chemical fibre dimension 10 and its made carbon fiber, such as tensile strength and modulus in tension, additionally depend on the oxidized fibre 10
Or the degree of oxidation and cyclisation degree of oxide layer 111；The oxidized fibre 10 or the degree of oxidation and cyclisation degree of oxide layer 111 are cured
The tensile strength and modulus in tension of carbon fiber made by the high then oxidized fibre 10 are also higher.The oxide layer 111 is in oxidation shape
State so compact structure and lead to the high tensile of made carbon fiber and high modulus in tension, the core 112 in oxidation not
Completely or the non-state of oxidation is so low tensile strength that is loosely organized and leading to made carbon fiber and low modulus in tension, therefore
The oxide layer 111 and inconsistent caused skin-core structure of degree of oxidation of the core 112 are to cause carbon fiber tension strong
One of the main reason for degree reduces.Therefore, how to shorten preoxidation time during pre-oxidation, and how to improve pre-
Degree of oxidation reduces even be eliminated skin-core structure simultaneously, reduction and performance (tensile strength and drawing to carbon fiber production cost
Stretch modulus) raising have a very important significance.
Utility model content
The technical issues of the utility model is solved is i.e. in view of this, the utility model is can be effective in offer one kind
Shorten the oxidization time of oxidized fibre, and effectively reduce the skin-core structure of oxidized fibre, or even oxidized fibre structure is allowed to reach nothing
The oxidized fibre of apparent skin-core structure.
Technological means used by the utility model is as described below.The oxidized fibre structure of the utility model utilizes an oxidation
Fibre manufacture, the oxidized fibre manufacturing method are suitable for silvalin beam pre-oxidation being an oxidized fibre yarn beam, the fibre
Dimension yarn beam is assembled bunchy by a fiber or a plurality of fibers and is constituted, and the oxidized fibre yarn beam is by an oxidized fibre or a plurality of
The oxidized fibre is assembled bunchy and is constituted, which includes the following steps：
One provides yarn beam step：Prepare the silvalin beam；
One microwave treatment step：So that the silvalin beam is exposed in a microwave condition and becomes the oxidized fibre yarn beam.
Under Mr. Yu's state sample implementation, which is suitable for silvalin beam pre-oxidation being that the oxidation is fine
Yarn beam is tieed up, which assembles bunchy by the fiber or a plurality of fibers and constituted, which should by one
Oxidized fibre or a plurality of oxidized fibres are assembled bunchy and are constituted, which includes the following steps：
A., one transmission unit and a microwave treatment unit are provided；
B., the silvalin beam is provided, and the silvalin beam is placed in the transmission unit, and enables the transmission unit band
It moves the silvalin beam and passes through the microwave treatment unit；
C. start the microwave treatment unit, which is generated by the microwave treatment unit；
D. start the transmission unit, drive the silvalin beam to continue a processing under the microwave condition by the transmission unit
Time makes the silvalin Shu Chengwei oxidized fibre yarn beams.
It is according to the above-mentioned oxidized fibre manufacturing method, the fiber of the silvalin beam is pre- with the oxidized fibre manufacturing method
It is oxidized to the oxidized fibre.
According to the above-mentioned oxidized fibre manufacturing method, which includes：One microwave frequency, the microwave frequency between
300~300,000MHz；One microwave power, the microwave power is between 1~1000 kW/m2；One operating temperature, the operating temperature
Between 100~600 DEG C；And a gas atmosphere, the gas atmosphere are one of oxygen, air, ozone or its mixing.
According to the above-mentioned oxidized fibre manufacturing method, the processing time was between 1~40 minute.
According to the above-mentioned oxidized fibre manufacturing method, the microwave power is between 10~24kW/m2。
According to the above-mentioned oxidized fibre manufacturing method, the microwave frequency between 2000~3000MHz, the operating temperature between
150~350 DEG C, the processing time is between 5~20 minutes.
According to the above-mentioned oxidized fibre manufacturing method, the silvalin beam be polyacrylonitrile (PAN) fiber, pitch fibers or its
One of his organic fiber.
According to the above-mentioned oxidized fibre manufacturing method, the transmission unit be equipped with provide the silvalin beam a feed unit,
Pull silvalin Shu Lianxu transmission a winding unit, for the silvalin beam by a furnace body；The microwave treatment unit in
The furnace body is equipped with the magnetron for generating the microwave frequency and the microwave power, and equipped with for the gas atmosphere is passed through this
One gas supply unit of furnace body.
According to the above-mentioned oxidized fibre manufacturing method, the winding unit, the magnetron and the gas supply unit and a control are single
Member electrical connection.
According to the above-mentioned oxidized fibre manufacturing method, which is internally provided with a heat-insulation unit.
According to the above-mentioned oxidized fibre manufacturing method, which is metal oxide, carbide, microwave height induction material
One of material or combinations thereof.
According to the above-mentioned oxidized fibre manufacturing method, the silvalin beam is in persistently receiving should in a manner of a lap wound in the furnace body
The irradiation of microwave treatment unit.
The utility model exposure has a kind of oxidized fibre structure, which includes an at least oxidized fibre,
In the oxidized fibre further include an oxide layer and a core, which is coated on the outside of the core, the section of the oxide layer
The cross-sectional area that area accounts for the oxidized fibre is at least 50% or more.Wherein, which is exposed to the microwave by the fiber
It is made in condition.Preferably, the oxidized fibre be exposed in the microwave condition by an organic fiber it is made.
According to above structure feature, cross-sectional area that the cross-sectional area of the oxide layer accounts for the oxidized fibre be at least 60% with
On.
According to above structure feature, cross-sectional area that the cross-sectional area of the oxide layer accounts for the oxidized fibre be at least 80% with
On.
According to above structure feature, cross-sectional area that the cross-sectional area of the oxide layer accounts for the oxidized fibre be at least 90% with
On.
According to above structure feature, cross-sectional area that the cross-sectional area of the oxide layer accounts for the oxidized fibre be at least 99% with
On.
Technique effect caused by the utility model：Oxidized fibre structure disclosed by the utility model mainly utilizes micro-
The microwave focusing of wave processing unit imposes ultrahigh speed pre-oxidation treatment to silvalin beam, and it is fine that silvalin beam is processed into oxidation
Dimension, not only can effectively reduce the oxidization time of oxidized fibre, and the oxide layer in oxidized fibre at least accounts for the oxidized fibre
50% or more cross-sectional area, effectively reduce oxidized fibre skin-core structure；Oxide layer in oxidized fibre accounts for the oxidation
When the cross-sectional area of fiber at least 80% or more, or even oxidized fibre can be allowed to reach without apparent skin-core structure.Therefore, this practicality is new
Type promotes carbon fiber performance with relatively more positive, reliable means.
Description of the drawings
Fig. 1 is the skin-core structure schematic diagram of known oxidized fibre.
Fig. 2 is the basic flow chart of the oxidized fibre manufacturing method of the utility model.
Fig. 3 is the transmission unit and microwave treatment unit structural schematic diagram of the oxidized fibre manufacturing method of the utility model.
Fig. 4 is the oxidized fibre manufacturing method of the utility model respectively with 12kW/m2、16kW/m2、 20kW/m2、24kW/
m2Microwave focusing acted on heating processing with tradition in silvalin beam silvalin beam oxidized fibre degree of oxidation it is bent
Line chart.
Fig. 5 is the oxidized fibre manufacturing method of the utility model with 24kW/m2Microwave focusing in silvalin Shu Jing
Cross 2 minutes, 4 minutes, 5 minutes, 10 minutes, the cyclisation degree curve graphs of 15 minutes oxidized fibres.
Fig. 6 is the oxidized fibre manufacturing method of the utility model with 24kW/m2Microwave focusing divide in silvalin beam 5
The oxidized fibre section entity striograph of oxidized fibre yarn Shu Dangzhong made of clock is manufactured.
Fig. 7 is the oxidized fibre manufacturing method of the utility model with 24kW/m2Microwave focusing in silvalin beam 10
The oxidized fibre section entity striograph of oxidized fibre yarn Shu Dangzhong made of manufactured by minute.
Fig. 8 is the oxidized fibre manufacturing method of the utility model with 24kW/m2Microwave focusing in silvalin beam 15
The oxidized fibre section entity striograph of oxidized fibre yarn Shu Dangzhong made of manufactured by minute.
Fig. 9 is another flow chart of the oxidized fibre manufacturing method of the utility model.
Figure 10 is the furnace structure schematic diagram of the oxidized fibre manufacturing method of the utility model.
Figure 11 is the structural schematic diagram of the utility model oxidized fibre.
Figure number explanation：
Prior art
10 oxidized fibres
11 fibers
111 oxide layers
112 cores
113 core-skin interfaces
The utility model
20 silvalin beams
20 A oxidized fibre yarn beams
21 oxidized fibres
211 oxide layers
212 cores
30 transmission units
31 feed units
32 winding units
33 furnace bodies
331 air inlets
332 gas outlets
34 heat-insulation units
40 microwave treatment units
41 magnetrons
42 gas supply units
50 control units
S01 provides yarn beam step
S02 microwave treatment steps.
Specific implementation mode
The utility model mainly provides a kind of oxidized fibre structure, which includes an at least oxidized fibre,
The oxidized fibre aoxidizes fibre using manufactured by a kind of oxidized fibre manufacturing method, which can effectively shorten
The oxidization time of dimension, and oxidized fibre skin-core structure is effectively reduced, or even oxidized fibre structure is allowed to reach without apparent skin-core structure.
As shown in Figures 2 and 3, the oxidized fibre manufacturing method, consists essentially of the following steps：
A., one transmission unit 30 and a microwave treatment unit 40 are provided；When implementing, which is equipped with and provides
One feed unit 31, one of one silvalin beam 20 pulls the winding unit 32, one that the silvalin beam 20 continuously transmits and supplies the fiber
Yarn beam 20 by furnace body 33, the wherein silvalin beam 20 can assemble bunchy by a fiber (figure do not draw) or a plurality of fibers
It is constituted；The microwave treatment unit 40 is equipped at least magnetron 41 for generating microwave at the furnace body 33, and equipped with confession
Oxygen-containing gas is passed through to a gas supply unit 42 of the furnace body 33.The gas supply unit 42 is connect with an air inlet 331 of the furnace body 33,
Oxygen-containing gas is entered the furnace body 33 by the air inlet 331 and is discharged by a gas outlet 332 of the furnace body 33.The transmission unit 30
Can further a heat-insulation unit 34 be internally provided in the furnace body 33.Preferably, the microwave treatment unit 40 is set at the furnace body 33
There are a plurality of magnetrons 41；The both sides up and down that a plurality of magnetrons 41 are set to the furnace body 33 are in opposite or Heterogeneous Permutation, or
The a plurality of magnetrons 41 of person are set to the unilateral side (upside or downside) of the furnace body 33, as a plurality of magnetrons 41 of Fig. 3 are set to
The both sides up and down of the furnace body 33 and be in arrangement mode opposing upper and lower.Most preferably, a plurality of magnetrons 41 as shown in Figure 3 are in
Arrangement mode opposing upper and lower, so can be uniform simultaneously to the first half of the silvalin beam 20 by the furnace body 33 and lower half
Ground is handled with microwave irradiation, therefore is able to more shorten the length of the furnace body 33 and thus is shortened processing time and accelerate production speed
Degree.
B., the silvalin beam 20 is provided, and the silvalin beam 20 is placed in the transmission unit 30, and makes the transmission unit
30 can drive the silvalin beam 20 to pass through the microwave treatment unit 40.Such as by the coiled silvalin beam 20, with can be by this
Transmission unit 30 drives the kenel for continuing through 40 operating area of microwave treatment unit to be installed at the transmission unit 30；In reality
It applies in example, the coiled silvalin beam 20 is placed in the feed unit 31, and the guiding of the tail end of the silvalin beam 20 is passed through
The furnace body 33 is simultaneously fixed on the winding unit 32；The silvalin beam 20, can be polyacrylonitrile (PAN), pitch or other are organic
One of fiber.
C. start the microwave treatment unit 40, a microwave condition, the microwave condition packet are generated by the microwave treatment unit 40
Contain：One microwave frequency, the microwave frequency is between 300~300,000MHz；One microwave power, the microwave power between 1~
1000kW/m2；One operating temperature, the operating temperature is between 100~600 DEG C；And a gas atmosphere, the gas atmosphere are oxygen
One of gas, air, ozone or its mixing, the gas atmosphere are oxygen-containing gas above-mentioned.In the present embodiment, while by this
Oxygen-containing gas is passed through inside the furnace body 33 by gas supply unit 42.
D. start the transmission unit 30, drive the silvalin beam 20 to continue under the microwave condition by the transmission unit 30
One processing time made the silvalin beam 20 become oxidized fibre yarn beam 20A.Such as the silvalin is driven by the transmission unit 30
Beam 20 persistently receives 1~40 minute speed of microwave focusing becomes an oxidation by 40 operating area of microwave treatment unit
Silvalin beam 20A, the processing time was between 1~40 minute.In the present embodiment, which is driven by the transmission unit 30
20 1~40 minute speed of microwave focusing for persistently receiving the microwave treatment unit 40 become the oxidation by the furnace body 33
Silvalin beam 20A.In addition, the silvalin beam 20 can persistently receive the microwave treatment unit in the furnace body 33 in a manner of a lap wound
40 1~40 minute speed of microwave focusing becomes oxidized fibre yarn beam 20A by the furnace body 33, for example, the fiber
Yarn beam 20 enters in the furnace body 33 in the front end of the furnace body 33 and is sent to the rear end of the furnace body 33, then by the furnace body 33
Rear end is sent to the front end of the furnace body 33, followed by the rear end for being sent to the furnace body 33 from the front end of the furnace body 33 once again,
Lap wound is repeated in this way to be transferred out as oxidized fibre yarn beam 20A from the rear end of the furnace body 33 until on demand.It adopts
It can effectively shorten the required length of the furnace body 33 with the lap wound mode.
According to this, the oxidized fibre manufacturing method, can under the running of the transmission unit 30, drive the silvalin beam 20 according to
Preset speed passes through the microwave treatment unit by the operating area of the microwave treatment unit 40 in the silvalin beam 20
During 40 operating areas, the pre- oxygen of ultrahigh speed is imposed to the silvalin beam 20 for continuing through the furnace body 33 using microwave focusing
Change is handled, which is processed into oxidized fibre yarn beam 20A.Please coordinate simultaneously with reference to shown in Fig. 4, the silvalin
Beam 20 is assembled bunchy by the fiber or a plurality of fibers and is constituted, and oxidized fibre yarn beam 20A is by the oxidized fibre 21 or again
Several oxidized fibres 21 are assembled bunchy and are constituted, the oxidized fibre manufacturing method, by the fiber of the silvalin beam 20 with this
The pre-oxidation of oxidized fibre manufacturing method is the oxidized fibre 21.
Please coordinate simultaneously with reference to shown in Fig. 4, which implements respectively with no microwave, microwave power
12kW/m2, microwave power 16kW/m2, microwave power 20kW/m2, microwave power 24kW/m2Microwave focusing in the fiber
Yarn beam 20 can be obtained really with microwave power 24kW/m2Microwave focusing in the silvalin beam 20 by after ten minutes,
The degree of oxidation for the oxidized fibre 21 that can be allowed in oxidized fibre yarn beam 20A reaches 100%, with 20 phase of silvalin beam
Accordingly, oxidized fibre yarn beam 20A assembles bunchy by the single oxidized fibre 21 or a plurality of oxidized fibres 21 and is constituted.
Similarly, with microwave power 20kW/m2Microwave focusing in the silvalin beam 20 after 15 minutes, you can allow the oxidation
The degree of oxidation of the oxidized fibre 21 in silvalin beam 20A reaches 100%；With microwave power 16kW/m2Microwave focus
It handles in the silvalin beam 20 after 25 minutes, you can allow the oxygen of the oxidized fibre 21 in oxidized fibre yarn beam 20A
Change degree reaches 100%.And even if only with 12 kW/m of microwave power2Microwave focusing in the silvalin beam 20 pass through 40
After minute, though the degree of oxidation for the oxidized fibre 21 that can not be allowed in oxidized fibre yarn beam 20A reach 100% but
The degree of oxidation of the oxidized fibre 21 can be made to reach 89%.And if only with traditional heating processing procedure and with 270 DEG C to the silvalin beam
20 heating are by 40 minutes without microwave processing procedure, then the degree of oxidation of the oxidized fibre 21 at most only reaches 70%.Therefore, should
What oxidized fibre manufacturing method was proposed imposes microwave processing procedure compared with traditional heating processing procedure, and the utility model can effectively improve
The degree of oxidation and shortening processing time of the oxidized fibre 21, especially with microwave power 24kW/m2Microwave focusing in this
Silvalin beam 20 carries out 10 minutes to reach the oxidized fibre 21 of 100% degree of oxidation, to carry out the best system of oxidation stage
Journey condition.
Please coordinate simultaneously referring to Figure 5, with microwave power 24kW/m2Microwave focusing in the silvalin beam 20,
The cyclisation degree for being formed by the oxidized fibre 21 is handled 2 minutes, 4 minutes, 5 minutes, 10 minutes and 15 minutes and examined respectively,
The oxidized fibre 21 by cyclisation degree after five minutes i.e. up to 100%, therefore required time of the cyclisation degree up to 100% 5 minutes
Less than the 10 minutes time needed for degree of oxidation.Please coordinate simultaneously with reference to shown in Fig. 6, Fig. 7 and Fig. 8, respectively by the oxidized fibre
Manufacturing method is with 24kW/m2Microwave focusing carry out 5 minutes, 10 minutes and 15 minutes institutes respectively in the silvalin beam 20
The section for the oxidized fibre 21 in oxidized fibre yarn beam 20A being fabricated with scanning electron microscope (SEM,
Scanning Electron Microscope) shooting entity striograph, it is found that the oxide layer 211 accounts for the oxidized fibre 21
99.0% or more or the cross-sectional area of the oxide layer 211 to account for the cross-sectional area of the oxidized fibre 21 be 99.0% or more, and have no
Apparent skin-core structure.
Please coordinate simultaneously with reference to shown in table one and table two, table one is should with the conventional process of electrothermal tube mode of heating and use
The microwave processing procedure of oxidized fibre manufacturing method measures the silvalin beam 20, oxidized fibre yarn beam 20A and its follow-up carbonization and is made
Carbon fiber yarn beam tensile strength comparison sheet；Table two is with the conventional process of electrothermal tube mode of heating and to use the oxidized fibre
The microwave processing procedure of manufacturing method measures the silvalin beam 20, oxidized fibre yarn beam 20A and its manufactured carbon fiber of follow-up carbonization
The modulus in tension comparison sheet of yarn beam.The aforementioned conventional process with electrothermal tube mode of heating, process conditions are the furnace body temperature 270
DEG C, processing time is 40 minutes, and the physical property result obtained is classified as " comparative example one "；The aforementioned oxidized fibre manufacturing method it is micro-
Wave processing procedure, process conditions are 220 DEG C, microwave frequency 2450MHz, microwave power 24kW/m of the temperature of the furnace body2, processing time
It it is 10 minutes, the physical property result obtained is classified as " embodiment one ".The silvalin beam 20 in comparative example one and embodiment one
Made by polyacrylonitrile.
Table one：
| Tensile strength (MPa) | Silvalin beam | Oxidized fibre yarn beam | Carbon fiber yarn beam |
| Comparative example one | 865 | 221 | 2824 |
| Embodiment one | 865 | 164 | 3675 |
The oxidized fibre made by microwave processing procedure of the embodiment one with the oxidized fibre manufacturing method is shown from table one
The tensile strength of yarn beam, the carbon fiber yarn beam after final carbonization is 1.3 times (3675 divided by 2824) of comparative example one, that is,
Tensile strength improves 30%.Microwave processing procedure is because that can allow PAN oxidations more complete, so the oxidized fibre yarn beam of microwave processing procedure
Intensity is slightly below the oxidized fibre yarn beam intensity of traditional electrothermal tube processing procedure, this is the microwave processing procedure of the oxidized fibre manufacturing method
It can more allow another evidence of silvalin Shu Tigao degree of oxidation.
Table two：
| Modulus in tension (GPa) | Silvalin beam | Oxidized fibre yarn beam | Carbon fiber yarn beam |
| Comparative example one | 8.82 | 6.03 | 194.4 |
| Embodiment one | 8.82 | 6.92 | 227.1 |
The oxidized fibre made by microwave processing procedure of the embodiment one with the oxidized fibre manufacturing method is shown from table two
The modulus in tension of yarn beam, the carbon fiber yarn beam after final carbonization is 1.17 times (227.1 divided by 194.4) of comparative example one, also
I.e. modulus in tension improves 17%.
So far, the oxidized fibre yarn beam that the silvalin beam is acted on traditional heating processing procedure is compared, and the utility model will
It shorten to 10 minutes within 40 minutes needed for traditional heating processing procedure, therefore process efficiency improves 3 times, saves the time of processing procedure；With
Traditional heating processing procedure is compared, and the tensile strength of carbon fiber yarn beam is also improved 30% and modulus in tension raising by the utility model
17%；Compared with traditional heating processing procedure, the utility model also by the oxidized fibre 21 in oxidized fibre yarn beam 20A should
The cross-sectional area that the cross-sectional area of oxide layer 211 accounts for the oxidized fibre 21 is 99.0% or more, makes it without apparent skin-core structure,
Make the section of oxidized fibre yarn beam 20A more towards uniformity, therefore can be by the tensile strength and stretching die of carbon fiber yarn beam
Number improves.Therefore the utility model can promote carbon fiber performance with relatively more positive, reliable means.
The oxidized fibre manufacturing method, when implementing, the oxidized fibre manufacturing method, with 24kW/m2Microwave focusing at
It manages and is preferred in the presentation of 5~10 minutes implementation patterns of those silvalin beams.Certainly, the oxidized fibre manufacturing method, when implementing,
It also can be with the oxidized fibre manufacturing method, with 24 kW/m2Microwave focusing in those silvalin beams 5~10 minutes；With
And as shown in figure 3, the transmission unit 30, equipped with providing the feed unit 31 of the silvalin beam 20, pull the silvalin beam 20
The winding unit 32 that continuously transmits, for the silvalin beam 20 by the furnace body 33；The microwave treatment unit 40, in the furnace body
The magnetron 41 for generating microwave is equipped at 33, and equipped with the gas supply unit 42 for oxygen-containing gas to be passed through to the furnace body 33
Implementation pattern presentation.Be with the oxidized fibre manufacturing method be applicable to the silvalin beam 20 by after the furnace body 33 without this
Winding unit 32 is batched but connects carbonization processing procedure and produced carbon fiber yarn beam in a manner of continuous production, or suitable for the coiled fibre
The mode of production that dimension yarn beam 20 is rolled out with the feed unit 31 and batched with the winding unit 32.
Certainly, which is also applicable to batch (batch) mode of production.In the batch mode of production
Embodiment then can be followed the steps below sequentially, as shown in figure 9, the oxidized fibre manufacturing method is suitable for the silvalin beam 20 in advance
It is oxidized to oxidized fibre yarn beam 20A：
One provides yarn beam step S01：Prepare the silvalin beam 20, which can be by single fiber or a plurality of
The fiber is assembled bunchy and is constituted；The silvalin beam 20, can be polyacrylonitrile (PAN) fiber, pitch fibers or other are organic
One of fiber；
One microwave treatment step S02：The silvalin beam 20 is set to be exposed in the microwave condition, which includes：It should
Microwave frequency, the microwave frequency is between 300~300,000MHz；The microwave power, the microwave power is between 1~1000kW/m2；
The operating temperature, the operating temperature is between 100~600 DEG C；The processing time, the processing time was between 1~40 minute；And
The gas atmosphere, the gas atmosphere are one of oxygen, air, ozone or its mixing.
Furthermore the oxidized fibre manufacturing method is equipped in the microwave treatment unit 40 for oxygen-containing gas is passed through the furnace body
Under the implementation pattern of the 33 gas supply unit 42, which is passed through the oxygen-containing gas of the furnace body 33, can be oxygen, sky
One of gas, ozone or its mixing.
And the oxidized fibre manufacturing method is equipped with the feeding machine for providing the silvalin beam 20 in the transmission unit 30
Group 31, pull the winding unit 32 that those silvalin beams 20 continuously transmit, for the silvalin beam 20 by the furnace body 33；It should
Microwave treatment unit 40 is equipped with the magnetron 41 for generating microwave at the furnace body 33, and equipped with for leading to oxygen-containing gas
Under the implementation pattern for entering the gas supply unit 42 of the furnace body 33, the winding unit 32, the magnetron 41 and the gas supply unit 42 can
It is electrically connected with a control unit 50.Can the winding unit 32, the magnetron 41 and the air feeder be controlled by the control unit 50
Whether 42 running of group, and turning for the winding unit 32 can be set according to 20 characteristic of silvalin beam or product specification processed
The operating parameters such as the flow of speed, the power of the magnetron 41 and the gas supply unit 42.
The oxidized fibre manufacturing method, the transmission unit 30 be equipped with provide the silvalin beam 20 the feed unit 31,
Pull the winding unit 32 that the silvalin beam 20 continuously transmits, for those silvalin beams 20 by the furnace body 33 implementation sample
Under state, which further can be internally provided with the heat-insulation unit 34 in the furnace body 33, as shown in Figure 10, using the guarantor
The accumulation of heat effect of warm unit 34 enables and is maintained at preset operating temperature inside the furnace body 33, and reaches and save the energy
Purpose.In Figure 10, which provides a plurality of silvalin beams 20 being arranged in parallel with each other and enters the furnace body 33.
The oxidized fibre manufacturing method, when implementing, which can be as shown in figure 3, in the 33 inside phase of furnace body
At the upper and lower position of 20 transmitting path of silvalin beam, it is respectively equipped with the heat-insulation unit 34；Or it is as shown in Figure 10, in
The furnace body 33 is internally provided with the heat-insulation unit 34 that the opposite transmitting path by the silvalin beam 20 is surrounded, and uses allowing the silvalin
20 thermally equivalent of beam.
The oxidized fibre manufacturing method, under the upper patterns for taking off various possible implementations, which can be selected as
One of high inductive material of metal oxide, carbide, microwave or combinations thereof.
The oxidized fibre manufacturing method, when implementing, which can be as shown in figure 3, relative to the fibre
At the upper and lower position for tieing up 20 transmitting path of yarn beam, it is respectively equipped with the magnetron 41；Or the microwave treatment unit 40 is equipped with relatively
A plurality of magnetrons 41 that the transmitting path of the silvalin beam 20 is surrounded, use and the silvalin beam 20 are allowed uniformly to receive microwave
Focusing.
Please referring again to Fig. 4, as previously described with microwave power 12kW/m2Microwave focusing in 220 DEG C to the fiber
Yarn beam 20 is by after forty minutes, the degree of oxidation of the oxidized fibre 21 reaches 89%；And with traditional heating processing procedure and with 270 DEG C
To the silvalin beam 20 heating by 40 minutes without microwave processing procedure, then the degree of oxidation of the oxidized fibre 21 reaches 70%.Cause
For this oxidized fibre manufacturing method is compared to traditional heating processing procedure, it can reach higher oxidation with lower temperature
Degree, therefore can avoid waste thermal energy.
Please coordinate simultaneously with reference to shown in table three, table three is with the conventional process of electrothermal tube mode of heating and using oxidation fibre
The microwave processing procedure for tieing up manufacturing method measures the silvalin beam 20, oxidized fibre yarn beam 20A and its manufactured carbon fiber of follow-up carbonization
Tie up the tensile strength comparison sheet of yarn beam.The aforementioned conventional process with electrothermal tube mode of heating, process conditions are the furnace body temperature
270 DEG C, processing time is 40 minutes, and the physical property result obtained is classified as " comparative example one "；The aforementioned oxidized fibre manufacturing method
Microwave processing procedure, process conditions be 220 DEG C, microwave frequency 2450MHz of the furnace body temperature, processing time be 40 minutes, when micro-
Wave power is 22kW/m2The physical property result obtained is classified as " embodiment two ", when microwave power is 20kW/m2The physical property obtained
As a result it is classified as " embodiment three ", when microwave power is 16kW/m2The physical property result obtained is classified as " example IV ", when microwave work(
Rate is 15kW/m2The physical property result obtained is classified as " embodiment five ".The silvalin in comparative example one and all embodiments
Beam 20 uses made by polyacrylonitrile.In addition, by being somebody's turn to do in comparative example one and the oxidized fibre yarn beam 20A of embodiment out of the ordinary
The section of oxidized fibre 21 shoots entity with scanning electron microscope (SEM, Scanning Electron Microscope)
Striograph, the cross-sectional area of the cross-sectional area of the oxide layer 211 divided by the oxidized fibre 21 after being computed, that is, the oxide layer
211 account for the ratio of the oxidized fibre 21, are listed in table three.
Table three：
The oxidized fibre made by microwave processing procedure of the embodiment five with the oxidized fibre manufacturing method is shown from table three
Yarn beam, the tensile strength of the carbon fiber yarn beam after final carbonization is 1.13 times of comparative example one, that is, tensile strength improves
13%, the cross-sectional area of the cross-sectional area of the oxide layer 211 divided by the oxidized fibre 21 is 51.2%, that is, the oxide layer 211
Account for the 51.2% of the oxidized fibre 21；Oxidation made by microwave processing procedure of the example IV with the oxidized fibre manufacturing method
Silvalin beam, the tensile strength of the carbon fiber yarn beam after final carbonization is 1.17 times of comparative example one, that is, tensile strength carries
High by 17%, the cross-sectional area of the cross-sectional area of the oxide layer 211 divided by the oxidized fibre 21 is 61.5%, that is, the oxide layer
211 account for the 61.5% of the oxidized fibre 21；Oxygen made by microwave processing procedure of the embodiment three with the oxidized fibre manufacturing method
Change silvalin beam, the tensile strength of the carbon fiber yarn beam after final carbonization is 1.23 times of comparative example one, that is, tensile strength
The cross-sectional area of raising 23%, the cross-sectional area of the oxide layer 211 divided by the oxidized fibre 21 is 82.7%, that is, the oxidation
Layer 211 accounts for the 82.7% of the oxidized fibre 21；Made by microwave processing procedure of the embodiment two with the oxidized fibre manufacturing method
Oxidized fibre yarn beam, the tensile strength of the carbon fiber yarn beam after final carbonization is 1.27 times of comparative example one, that is, is stretched strong
The cross-sectional area of degree raising 27%, the cross-sectional area of the oxide layer 211 divided by the oxidized fibre 21 is 91.3%, that is, the oxidation
Layer 211 accounts for the 91.3% of the oxidized fibre 21；Oxygen made by microwave processing procedure of the embodiment one with oxidized fibre manufacturing method
Change silvalin beam, the tensile strength of the carbon fiber yarn beam after final carbonization is 1.3 times of comparative example one, that is, tensile strength carries
High by 30%, the cross-sectional area of the cross-sectional area of the oxide layer 211 divided by the oxidized fibre 21 is 99.0%, that is, the oxide layer
211 account for the 99.0% of the oxidized fibre 21.
Therefore, the oxidized fibre structure disclosed by the utility model, the oxidized fibre structure include an at least oxidized fibre
21, the wherein oxidized fibre 21 includes an oxide layer 211 and a core 212, which is coated on the outer of the core 212
Side, wherein the oxide layer 211 account at least 50% or more of the oxidized fibre 21 or the cross-sectional area of the oxide layer 211 account for the oxygen
The cross-sectional area of chemical fibre dimension 21 is at least 50% or more.As shown in figure 11, which accounts for the oxidized fibre 21 at least
80% or more or the cross-sectional area of the oxide layer 211 to account for the cross-sectional area of the oxidized fibre 21 be at least 80% or more.
Certainly, the oxidized fibre 21 that the utility model discloses can utilize above-mentioned the utility model by the silvalin beam 20
Any oxidized fibre manufacturing method that may implement is fabricated, since the oxide layer 211 is formed in the microwave condition is lower,
Therefore the oxide layer 211 is a microwave oxide layer, and oxide layer of the oxidized fibre 21 in oxidized fibre yarn beam 20A
211 account at least 50% or more of the oxidized fibre 21.
When implementing, which can be one of polyacrylonitrile (PAN), pitch or other organic fibers.
Certainly, which passes through 24kW/m2Microwave action in the silvalin beam 20 after 10 minutes microwave focusings,
The oxide layer 211 of the oxidized fibre 21 in oxidized fibre yarn beam 20A accounts for 99.0% or oxygen of the oxidized fibre 21
The cross-sectional area that the cross-sectional area of change layer 211 accounts for the oxidized fibre 21 is 99.0%.
It is compared with traditional located by prior art, the oxidized fibre disclosed by the utility model, mainly utilizes microwave treatment unit
Microwave focusing imposes ultrahigh speed pre-oxidation treatment to silvalin beam, and silvalin beam is processed into oxidized fibre yarn beam, not only may be used
Effectively to reduce the oxidization time of oxidized fibre yarn beam, and the oxidized fibre of oxidized fibre yarn Shu Dangzhong is focused through microwave at oxidation
The oxide layer of reason at least accounts for 50% or more the cross-sectional area of the oxidized fibre, effectively reduces oxidized fibre skin-core structure, or even can
It allows oxidized fibre to reach without apparent skin-core structure, carbon fiber performance is promoted with relatively more positive, reliable means.
Claims (7)
1. a kind of oxidized fibre structure, which is characterized in that the oxidized fibre structure includes an at least oxidized fibre (21), wherein should
Oxidized fibre (21) includes an oxide layer (211) and a core (212), which is coated on the outer of the core (212)
Side, it is at least 50% or more that the cross-sectional area of the oxide layer (211), which accounts for the cross-sectional area of the oxidized fibre (21),.
2. oxidized fibre structure as described in claim 1, which is characterized in that the cross-sectional area of the oxide layer (211) accounts for the oxygen
The cross-sectional area that chemical fibre ties up (21) is at least 60% or more.
3. oxidized fibre structure as described in claim 1, which is characterized in that the cross-sectional area of the oxide layer (211) accounts for the oxygen
The cross-sectional area that chemical fibre ties up (21) is at least 80% or more.
4. oxidized fibre structure as described in claim 1, which is characterized in that the cross-sectional area of the oxide layer (211) accounts for the oxygen
The cross-sectional area that chemical fibre ties up (21) is at least 90% or more.
5. oxidized fibre structure as described in claim 1, which is characterized in that the cross-sectional area of the oxide layer (211) accounts for the oxygen
The cross-sectional area that chemical fibre ties up (21) is at least 99% or more.
6. oxidized fibre structure as described in claim 1, which is characterized in that the oxidized fibre (21) is exposed to one by a fiber
It is made in microwave condition.
7. oxidized fibre structure as claimed in claim 6, which is characterized in that the oxidized fibre (21) is an organic fiber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107201429 | 2018-01-29 | ||
| TW107201429U TWM564598U (en) | 2018-01-29 | 2018-01-29 | Oxidized fiber structure |
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| CN207891471U true CN207891471U (en) | 2018-09-21 |
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| US (1) | US20190233978A1 (en) |
| EP (1) | EP3517659B1 (en) |
| JP (1) | JP3216683U (en) |
| CN (1) | CN207891471U (en) |
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| US7534854B1 (en) * | 2005-03-29 | 2009-05-19 | Ut-Battelle, Llc | Apparatus and method for oxidation and stabilization of polymeric materials |
| JP4970997B2 (en) * | 2006-03-30 | 2012-07-11 | パナソニック株式会社 | Manufacturing method of nanowire transistor |
| WO2010111882A1 (en) * | 2009-03-31 | 2010-10-07 | 东华大学 | Processes for producing carbon fiber, the filament thereof, and pre-oxidized fiber |
| US20120322332A1 (en) * | 2011-06-17 | 2012-12-20 | Ut-Battelle, Llc | Advanced oxidation method for producing high-density oxidized polyacrylonitrile fibers |
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- 2018-02-02 CN CN201820187510.8U patent/CN207891471U/en active Active
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| US20190233978A1 (en) | 2019-08-01 |
| EP3517659B1 (en) | 2021-02-24 |
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