CN106316139A - Synthetic wollastonite fiber and preparation method thereof - Google Patents
Synthetic wollastonite fiber and preparation method thereof Download PDFInfo
- Publication number
- CN106316139A CN106316139A CN201610684495.3A CN201610684495A CN106316139A CN 106316139 A CN106316139 A CN 106316139A CN 201610684495 A CN201610684495 A CN 201610684495A CN 106316139 A CN106316139 A CN 106316139A
- Authority
- CN
- China
- Prior art keywords
- wollastonite
- brick
- silicon carbide
- graphite
- mica sheet
- 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.)
- Pending
Links
- 239000010456 wollastonite Substances 0.000 title claims abstract description 52
- 229910052882 wollastonite Inorganic materials 0.000 title claims abstract description 52
- 239000000835 fiber Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims description 12
- 239000011449 brick Substances 0.000 claims abstract description 46
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 23
- 239000010431 corundum Substances 0.000 claims abstract description 23
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 23
- 239000010445 mica Substances 0.000 claims abstract description 21
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010439 graphite Substances 0.000 claims abstract description 19
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 19
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000003786 synthesis reaction Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 abstract 1
- 230000009970 fire resistant effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/005—Manufacture of flakes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses synthetic wollastonite fiber and relates to the technical field of non-metallic materials. The synthetic wollastonite fiber is prepared from wollastonite, a corundum brick, a carborundum brick, sheet mica and graphite, wherein the mass ratio of the wollastonite, the corundum brick, the carborundum brick, the sheet mica and the graphite is (120-140):(20-25):(5-8):(2-3):(0.01-0.02). The synthetic wollastonite fiber has excellent conductivity and high tensile strength.
Description
Technical field
The present invention relates to nonmetallic materials technical field, especially a kind of synthesis of wollastonite fibre and preparation method thereof.
Background technology
Wollastonite belongs to a kind of chain metasilicate, in threadiness, needle-like.Due to the crystal habit crystalline texture that it is special
Determining its character, wollastonite has good insulating properties, has the highest whiteness, good dielectric properties and higher simultaneously
Heat-resisting, weather resistance.Prior art discloses employing wollastonite be the method that wollastonite fibre prepared by raw material, emphatically refractoriness,
The isoparametric research of draw ratio, has invented the wollastonite refractory fibre that multiple refractoriness is high, draw ratio is high, but its electric conductivity
The performances such as energy, tensile strength still have much room for improvement.
Summary of the invention
It is an object of the invention to provide a kind of synthesis of wollastonite fibre and preparation method thereof, this synthesis of wollastonite fibre and
Its preparation method can solve the problem that wollastonite refractory fibre electric conductivity is poor, tensile strength is low.
In order to solve the problems referred to above, the technical solution used in the present invention is:
This synthesis of wollastonite fibre, it is characterised in that by the preparation of wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite
Become；Wherein, the mass ratio of wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite is 120～140:20～25:5～8:2
～3:0.01～0.02；
Preparation method is: wollastonite, corundum brick, silicon carbide brick, mica sheet are respectively crushed into the powder that particle diameter is 1～10 nanometers
End, then mixes with graphite；Putting in reaction under high pressure stove, regulation pressure is 1.5～3 normal atmospheres, and temperature is 1100 DEG C
～1600 DEG C, in being heated to reaction under high pressure stove, raw material melts, and gets rid of silk, cuts silk, obtains the silicon ash of a length of 70 millimeters～115 millimeters
Stone refractory fibre.
In technique scheme, more specifically technical scheme is it may also is that wollastonite, corundum brick, silicon carbide brick and Muscovitum
The mass ratio of sheet is 130～140:22～23:5～6:2～2.5.
Owing to have employed technique scheme, the present invention compared with prior art has the advantages that
The present invention, with wollastonite as base material, with the addition of corundum brick, silicon carbide brick, mica sheet and graphite material, and products obtained therefrom conducts electricity
Function admirable, tensile strength is high.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
The present embodiment synthesis of wollastonite fibre, it is characterised in that by wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite system
For forming；Wherein, the mass ratio of wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite is 130:23:5:2；
Preparation method is: wollastonite, corundum brick, silicon carbide brick, mica sheet are respectively crushed into the powder that particle diameter is 1～2 nanometers,
Then mix with graphite；Putting in reaction under high pressure stove, regulation pressure is 2.5 normal atmospheres, and temperature is 1100 DEG C～1150
DEG C, in being heated to reaction under high pressure stove, raw material melts, and gets rid of silk, cuts silk, and the wollastonite obtaining a length of 70 millimeters～87 millimeters is fire-resistant
Fiber.
The present embodiment synthesis of wollastonite fibre thermal conducting rate is (300 DEG C) 20W/m*k, and tensile strength is 3100MPa.
Embodiment 2
The present embodiment synthesis of wollastonite fibre, it is characterised in that by wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite system
For forming；Wherein, the mass ratio of wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite is 140:22:6:2.5；
Preparation method is: wollastonite, corundum brick, silicon carbide brick, mica sheet are respectively crushed into the powder that particle diameter is 6～7 nanometers,
Then mix with graphite；Putting in reaction under high pressure stove, regulation pressure is 3 normal atmospheres, and temperature is 1560 DEG C～1600 DEG C,
In being heated to reaction under high pressure stove, raw material melts, and gets rid of silk, cuts silk, obtains the fire-resistant fibre of wollastonite of a length of 80 millimeters～95 millimeters
Dimension.
The present embodiment synthesis of wollastonite fibre thermal conducting rate is (300 DEG C) 17W/m*k, and tensile strength is 3050MPa.
Embodiment 3
The present embodiment synthesis of wollastonite fibre, it is characterised in that by wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite system
For forming；Wherein, the mass ratio of wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite is 120:25:5:2:0.02；
Preparation method is: wollastonite, corundum brick, silicon carbide brick, mica sheet are respectively crushed into the powder that particle diameter is 8～10 nanometers
End, then mixes with graphite；Putting in reaction under high pressure stove, regulation pressure is 2 normal atmospheres, and temperature is 1240 DEG C～1280
DEG C, in being heated to reaction under high pressure stove, raw material melts, and gets rid of silk, cuts silk, and the wollastonite obtaining a length of 110 millimeters～115 millimeters is resistance to
Fire fiber.
The present embodiment synthesis of wollastonite fibre thermal conducting rate is (300 DEG C) 18.3W/m*k, and tensile strength is 2987MPa.
Embodiment 4
The present embodiment synthesis of wollastonite fibre, it is characterised in that by wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite system
For forming；Wherein, the mass ratio of wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite is 135:20:8:3:0.01；
Preparation method is: wollastonite, corundum brick, silicon carbide brick, mica sheet are respectively crushed into the powder that particle diameter is 3～5 nanometers,
Then mix with graphite；Putting in reaction under high pressure stove, regulation pressure is 1.5 normal atmospheres, and temperature is 1420 DEG C～1490
DEG C, in being heated to reaction under high pressure stove, raw material melts, and gets rid of silk, cuts silk, and the wollastonite obtaining a length of 70 millimeters～80 millimeters is fire-resistant
Fiber.
The present embodiment synthesis of wollastonite fibre thermal conducting rate is (300 DEG C) 18.5W/m*k, and tensile strength is 3106MPa.
Claims (2)
1. a synthesis of wollastonite fibre, it is characterised in that prepared by wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite
Form；Wherein, the mass ratio of wollastonite, corundum brick, silicon carbide brick, mica sheet and graphite be 120～140:20～25:5～
8:2～3:0.01～0.02；
Preparation method is: wollastonite, corundum brick, silicon carbide brick, mica sheet are respectively crushed into the powder that particle diameter is 1～10 nanometers
End, then mixes with graphite；Putting in reaction under high pressure stove, regulation pressure is 1.5～3 normal atmospheres, and temperature is 1100 DEG C
～1600 DEG C, in being heated to reaction under high pressure stove, raw material melts, and gets rid of silk, cuts silk, obtains the silicon ash of a length of 70 millimeters～115 millimeters
Stone refractory fibre.
Synthesis of wollastonite fibre the most according to claim 1, it is characterised in that wollastonite, corundum brick, silicon carbide brick and cloud
The mass ratio of master slice is 130～140:22～23:5～6:2～2.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684495.3A CN106316139A (en) | 2016-08-18 | 2016-08-18 | Synthetic wollastonite fiber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684495.3A CN106316139A (en) | 2016-08-18 | 2016-08-18 | Synthetic wollastonite fiber and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106316139A true CN106316139A (en) | 2017-01-11 |
Family
ID=57743925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610684495.3A Pending CN106316139A (en) | 2016-08-18 | 2016-08-18 | Synthetic wollastonite fiber and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106316139A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87108257A (en) * | 1987-12-29 | 1988-08-17 | 武汉工业大学 | Method for making alkali-resisting glass fiber |
| CN1654386A (en) * | 2005-01-16 | 2005-08-17 | 张延大 | Synthesis of wollastonite fibre and method for preparing same |
| CN102491737A (en) * | 2011-12-08 | 2012-06-13 | 武汉科技大学 | High-temperature-resistant biologically-soluble ceramic fiber and preparation method thereof |
| CN103058636A (en) * | 2012-12-12 | 2013-04-24 | 山东安勒特生态陶瓷纤维有限公司 | 800 DEG C wollastonite refractory fiber |
-
2016
- 2016-08-18 CN CN201610684495.3A patent/CN106316139A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87108257A (en) * | 1987-12-29 | 1988-08-17 | 武汉工业大学 | Method for making alkali-resisting glass fiber |
| CN1654386A (en) * | 2005-01-16 | 2005-08-17 | 张延大 | Synthesis of wollastonite fibre and method for preparing same |
| CN102491737A (en) * | 2011-12-08 | 2012-06-13 | 武汉科技大学 | High-temperature-resistant biologically-soluble ceramic fiber and preparation method thereof |
| CN103058636A (en) * | 2012-12-12 | 2013-04-24 | 山东安勒特生态陶瓷纤维有限公司 | 800 DEG C wollastonite refractory fiber |
Non-Patent Citations (1)
| Title |
|---|
| 雷炳新等: "《无机反应与无机材料研究》", 30 April 2015, 中国水利水电出版社 * |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |
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