CN106674714A - Preparation method of ethylene-vinyl acetate copolymer (EVA)/asphalt composite carbon crystal plate - Google Patents
Preparation method of ethylene-vinyl acetate copolymer (EVA)/asphalt composite carbon crystal plate Download PDFInfo
- Publication number
- CN106674714A CN106674714A CN201611197200.6A CN201611197200A CN106674714A CN 106674714 A CN106674714 A CN 106674714A CN 201611197200 A CN201611197200 A CN 201611197200A CN 106674714 A CN106674714 A CN 106674714A
- Authority
- CN
- China
- Prior art keywords
- eva
- asphalt
- pitch
- crystalline substance
- carbon
- Prior art date
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- 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
- D01F9/145—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention relates to a preparation method of a carbon crystal plate, in particular to a preparation method of an ethylene-vinyl acetate copolymer (EVA)/asphalt composite carbon crystal plate. The preparation method comprises the steps of putting asphalt into a melt spinning machine-asphalt carbon fiber molding device for spinning, heating the obtained precursor fibers in a high temperature furnace, carrying out oxidation treatment on the heated precursor fibers and then cooling to obtain oxidized fibers; after that, carrying out carbonization treatment to obtain asphalt-base carbon fibers; modifying the asphalt-base carbon fibers by ball-milling processing to obtain carbon crystals; evenly mixing the obtained carbon crystals with EVA, and extruding by using an extruding machine to obtain the EVA-base asphalt composite carbon crystal plate. The carbon crystal plate prepared by the method is low in cost, low in technical difficulty, less in equipment investment and simple in technology; furthermore, the final product is good in stability, good in heat resistance and excellent in processing performance.
Description
Technical field
The present invention relates to a kind of carbon crystalline substance plate preparation method, more particularly to a kind of EVA/ pitches composite carbon crystalline substance plate preparation side
Method.
Background technology
The electric heating of current comparative maturity is mainly common electric heater, Electric radiant Heating Film, heating cable heating, with the life of people
Running water is flat to be improved constantly, live indoors, time of work it is also more and more long, to indoor air temperature, humidity equivalent comfort
It is required that more and more higher, this also just more supervises people to study new heating system.A kind of new heating system-carbon-crystal electric hot plate
Heating system occurs therewith.
Carbon crystalline substance plate is prepared both at home and abroad mostly with polyacrylonitrile-based carbon fibre and epoxy resin as material, because with polyacrylonitrile
The polyacrylonitrile-based carbon fibre of high intensity can be made for raw material, and production technology is relatively simple, the good mechanical performance of product,
But the price of polyacrylonitrile-based carbon fibre is high, graphitization difficulty is big；The adhesion strength and cohesive strength of epoxy resin are high, corrosion resistant
Corrosion and dielectric properties are excellent, but expensive, cause both materials to be subject to certain restrictions in terms of carbon crystalline substance plate is prepared.
EVA has the advantages that chemical resistance, heat-resisting quantity, oxidative resistance, weatherability, pyroelectricity, pitch not only valency
Lattice are cheap more than polyacrylonitrile, and degree of graphitization carbon fiber high is easily obtained under relatively low heat treatment temperature, additionally,
It also has the advantages that thermal conductivity factor is high.Be finally made EVA base pitches composite carbon crystalline substance plate have low cost, technical difficulty it is small,
Equipment investment is few, process is simple, and final product stability is good, heat-resist, processing type is excellent.
The content of the invention
It is an object of the invention to provide a kind of EVA/ pitches composite carbon crystalline substance plate preparation method, the present invention inherits asphalt mixtures modified by epoxy resin
The characteristics of fat/polyacrylonitrile-based carbon fibre carbon crystalline substance material, with low cost, technical difficulty is small, equipment investment is few, process is simple,
And final product stability is good, heat-resist, processing characteristics is excellent.
The purpose of the present invention is achieved through the following technical solutions：
A kind of EVA/ pitch base carbons crystalline substance composite carbon crystalline substance plate preparation method, the described method comprises the following steps：
A. pitch is carried out into spinneret in melt spinning machine-asphalt-based carbon fiber shaped device；
B. cooling obtains oxidized fibre after the precursor obtained after spinneret being carried out rising gentle oxidation processes in high temperature furnace；
C. the oxidized fibre crossed by crosslinking Treatment in high temperature furnace, protection gas shielded is passed through, carries out carbonization treatment, terminated
Natural cooling obtains asphalt base carbon fiber afterwards；
D. asphalt base carbon fiber is put into ball mill and carries out repeated multiple times deep processing, obtains pitch base carbon crystalline flour；
E. it is 1 according to mass ratio by EVA and pitch base carbon crystalline flour：0.3 ~ 0.6 is well mixed, and extrusion obtains plate in an extruder
Material.
A kind of described EVA/ pitches composite carbon crystalline substance plate preparation method, pitch is coal tar pitch, asphalt and natural drip
One or more in blue or green three kinds.
A kind of described EVA/ pitches composite carbon crystalline substance plate preparation method, pitch is in melt spinning machine-carbon fiber forming device
During middle spinneret, the protection anti-oxidation of gas is passed through, wherein, protection gas is N2。
A kind of described EVA/ pitches composite carbon crystalline substance plate preparation method, the precursor obtained after spinneret is risen in high temperature furnace
During mild oxidation treatment, protection gas is removed.
A kind of described EVA/ pitches composite carbon crystalline substance plate preparation method, oxidized fibre carries out carbonization treatment in high temperature furnace
When, protection gas shielded is passed through, protection gas is N2；
A kind of described EVA/ pitches composite carbon crystalline substance plate preparation method, asphalt base carbon fiber repeated multiple times depth in ball mill adds
Work, until producing pitch base carbon crystalline flour of the uniform diameter 1~2；
A kind of described EVA/ pitches composite carbon crystalline substance plate preparation method, is 100 according to mass ratio by EVA and pitch base carbon crystalline flour：
After 30 ~ 60 is well mixed, extruder extrusion is rolled into plate.Extrusion temperature is set as 170 ~ 230 °C.
Advantages of the present invention is with effect：
A kind of EVA bases pitch composite carbon crystalline substance plate of the present invention and preparation method thereof, with low cost, technical difficulty is small, set
Standby small investment, process is simple, and the advantages of final product stability is good, heat-resist, processing type is excellent.
Specific embodiment
With reference to embodiment, the present invention is described in detail.
Understand technology contents of the invention in order to be able to clearer, described in detail especially exemplified by following examples.
Embodiment 1：
Bitumen is carried out into spinneret in melt spinning machine-asphalt-based carbon fiber shaped device；The precursor obtained after spinneret is existed
Cooling obtains oxidized fibre after carrying out rising gentle oxidation processes in high temperature furnace；The oxidized fibre crossed by crosslinking Treatment in high temperature
In stove, N is passed through2Protection gas shielded, carries out carbonization treatment, terminates rear natural cooling and obtains bitumen base carbon fibre；Will be natural
Asphalt base carbon fiber is put into ball mill and carries out repeated multiple times deep processing, obtains bitumen base carbon crystalline flour；By EVA and asphaltic base
Carbon crystalline flour is 100 according to mass ratio：30 are well mixed, and extrusion obtains a kind of EVA bases pitch composite carbon crystalline substance plate plate in an extruder
Material.
Embodiment 2：
Asphalt is carried out into spinneret in melt spinning machine-asphalt-based carbon fiber shaped device；The precursor obtained after spinneret is existed
Cooling obtains oxidized fibre after carrying out rising gentle oxidation processes in high temperature furnace；The oxidized fibre crossed by crosslinking Treatment in high temperature
In stove, N is passed through2Protection gas shielded, carries out carbonization treatment, terminates rear natural cooling and obtains petroleum pitch-based carbon fiber；Will be natural
Asphalt base carbon fiber is put into ball mill and carries out repeated multiple times deep processing, obtains asphalt base carbon crystalline flour；By EVA and asphaltic base
Carbon crystalline flour is 100 according to mass ratio：40 are well mixed, and extrusion obtains a kind of EVA bases pitch composite carbon crystalline substance plate plate in an extruder
Material.
Embodiment 3：
Bitumen is carried out into spinneret in melt spinning machine-asphalt-based carbon fiber shaped device；The precursor obtained after spinneret is existed
Cooling obtains oxidized fibre after carrying out rising gentle oxidation processes in high temperature furnace；The oxidized fibre crossed by crosslinking Treatment in high temperature
In stove, N is passed through2Protection gas shielded, carries out carbonization treatment, terminates rear natural cooling and obtains bitumen base carbon fibre；Will be natural
Asphalt base carbon fiber is put into ball mill and carries out repeated multiple times deep processing, obtains bitumen base carbon crystalline flour；By EVA and asphaltic base
Carbon crystalline flour is 100 according to mass ratio：60 are well mixed, and extrusion obtains a kind of EVA bases pitch composite carbon crystalline substance plate plate in an extruder
Material.
Claims (7)
1. a kind of EVA/ pitch base carbons crystalline substance composite carbon crystalline substance plate preparation method, it is characterised in that the described method comprises the following steps：
Pitch is carried out into spinneret in melt spinning machine-asphalt-based carbon fiber shaped device；
Cooling obtains oxidized fibre after the precursor obtained after spinneret is carried out rising gentle oxidation processes in high temperature furnace；
C. the oxidized fibre crossed by crosslinking Treatment in high temperature furnace, protection gas shielded is passed through, carries out carbonization treatment, terminated
Natural cooling obtains asphalt base carbon fiber afterwards；
D. asphalt base carbon fiber is put into ball mill and carries out repeated multiple times deep processing, obtains pitch base carbon crystalline flour；
E. it is 1 according to mass ratio by EVA and pitch base carbon crystalline flour：0.3 ~ 0.6 is well mixed, and extrusion obtains plate in an extruder
Material.
2. a kind of EVA/ pitches composite carbon crystalline substance plate preparation method according to claim 1, it is characterised in that pitch is coal tar
One or more in three kinds of pitch, asphalt and bitumen.
3. a kind of EVA/ pitches composite carbon crystalline substance plate preparation method according to claim 1, it is characterised in that pitch is in melting
In spinning-drawing machine-carbon fiber forming device during spinneret, the protection anti-oxidation of gas is passed through, wherein, protection gas is N2。
4. a kind of EVA/ pitches composite carbon crystalline substance plate preparation method according to claim 1, it is characterised in that obtained after spinneret
Precursor carried out in high temperature furnace rise gentle oxidation processes when, remove protection gas.
5. a kind of EVA/ pitches composite carbon crystalline substance plate preparation method according to claim 1, it is characterised in that oxidized fibre exists
When carrying out carbonization treatment in high temperature furnace, protection gas shielded is passed through, protection gas is N2。
6. a kind of EVA/ pitches composite carbon crystalline substance plate preparation method according to claim 1, it is characterised in that pitch base carbon is fine
Dimension repeated multiple times deep processing in ball mill, until producing pitch base carbon crystalline flour of the uniform diameter 1~2.
7. a kind of EVA/ pitches composite carbon crystalline substance plate preparation method according to claim 1, it is characterised in that by EVA and drip
Blue or green base carbon crystalline flour is 100 according to mass ratio：After 30 ~ 60 is well mixed, extruder extrusion is rolled into plate, and extrusion temperature is set as
170~230°C。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197200.6A CN106674714A (en) | 2016-12-22 | 2016-12-22 | Preparation method of ethylene-vinyl acetate copolymer (EVA)/asphalt composite carbon crystal plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197200.6A CN106674714A (en) | 2016-12-22 | 2016-12-22 | Preparation method of ethylene-vinyl acetate copolymer (EVA)/asphalt composite carbon crystal plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106674714A true CN106674714A (en) | 2017-05-17 |
Family
ID=58870078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611197200.6A Withdrawn CN106674714A (en) | 2016-12-22 | 2016-12-22 | Preparation method of ethylene-vinyl acetate copolymer (EVA)/asphalt composite carbon crystal plate |
Country Status (1)
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| CN (1) | CN106674714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022150233A1 (en) * | 2021-01-06 | 2022-07-14 | ExxonMobil Technology and Engineering Company | Pitch compositions for spinning into carbon articles and methods relating thereto |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980710A (en) * | 2014-06-02 | 2014-08-13 | 北京化工大学 | Heat-conducting type carbon fiber composite material and preparation method thereof |
-
2016
- 2016-12-22 CN CN201611197200.6A patent/CN106674714A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980710A (en) * | 2014-06-02 | 2014-08-13 | 北京化工大学 | Heat-conducting type carbon fiber composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022150233A1 (en) * | 2021-01-06 | 2022-07-14 | ExxonMobil Technology and Engineering Company | Pitch compositions for spinning into carbon articles and methods relating thereto |
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Application publication date: 20170517 |