CN113862832A - Continuous alumina fiber, preparation method thereof and heat-insulation protective fabric - Google Patents
Continuous alumina fiber, preparation method thereof and heat-insulation protective fabric Download PDFInfo
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- CN113862832A CN113862832A CN202111329746.3A CN202111329746A CN113862832A CN 113862832 A CN113862832 A CN 113862832A CN 202111329746 A CN202111329746 A CN 202111329746A CN 113862832 A CN113862832 A CN 113862832A
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- Prior art keywords
- alumina fiber
- continuous alumina
- sol
- continuous
- aluminum
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- 239000000835 fiber Substances 0.000 title claims abstract description 68
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000004744 fabric Substances 0.000 title claims abstract description 32
- 230000001681 protective effect Effects 0.000 title claims description 9
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 238000009413 insulation Methods 0.000 title description 4
- 238000009987 spinning Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000011148 porous material Substances 0.000 claims abstract description 6
- 239000002243 precursor Substances 0.000 claims abstract description 4
- 238000003980 solgel method Methods 0.000 claims abstract description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 12
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- OBROYCQXICMORW-UHFFFAOYSA-N tripropoxyalumane Chemical compound [Al+3].CCC[O-].CCC[O-].CCC[O-] OBROYCQXICMORW-UHFFFAOYSA-N 0.000 claims description 2
- 239000013078 crystal Substances 0.000 abstract description 3
- 238000001354 calcination Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000009941 weaving Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000578 dry spinning Methods 0.000 description 2
- 238000003837 high-temperature calcination Methods 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
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
- 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
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
Abstract
The present disclosure provides a method for preparing continuous alumina fibers, comprising: preparing continuous alumina crystal fiber by a sol-gel method; boosting the continuous alumina crystal fiber by using high-pressure air and forming an alumina fiber precursor through a spinning pore channel, wherein the high-pressure is 5-7 Mpa; calcining the alumina fiber precursor at the high temperature of 1100-1400 ℃, drafting, winding and rolling to form continuous alumina fiber long fibers, wherein the drafting rate is 15-20 mm/s; the disclosure also provides a continuous alumina fiber fabric prepared by the preparation method.
Description
Technical Field
The disclosure relates to the technical field of textile raw materials, in particular to a continuous alumina fiber, a preparation method thereof and a heat-insulation protective fabric.
Background
At present, alumina fibers are mainly chopped fibers and composite material members, for example, chinese patent application No. CN02802459.1 entitled alumina fiber aggregate and manufacturing method thereof, and short fibers in fabric preparation have the problems of uneven sizing, reduced fabric integrity and the like.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present disclosure provides a continuous alumina fiber, a preparation method thereof, and a thermal insulation protective fabric.
According to one aspect of the present disclosure, a method of making continuous alumina fibers includes:
taking an aluminum-containing inorganic substance as a raw material, and preparing sol-gel by a sol-gel method;
boosting the sol gel by using high-pressure air and forming alumina fiber precursor through a spinning pore channel, wherein the high-pressure is 5-7 Mpa;
the alumina fiber protofilament is calcined at the high temperature of 1100-1400 ℃, and is drawn, wound and coiled to form continuous alumina fiber long filament, wherein the drawing speed is 15-20 mm/s.
The high-temperature calcination is carried out in an aerobic environment, and organic matters in the alumina fiber protofilament can be removed through the high-temperature calcination at 1100-1400 ℃, so that the strength is improved.
According to at least one embodiment of the present disclosure, preparing a sol-gel using a "sol-gel" method includes:
dissolving an aluminum-containing inorganic substance in deionized water, carrying out hydrolysis reaction at 70 ℃ to obtain sol, adding a high-molecular spinning auxiliary agent into the sol, and then carrying out evaporation concentration at 60-100 ℃ for 24h to obtain the sol gel.
The macromolecular spinning auxiliary agent is beneficial to increasing the spinnability of the sol-gel.
According to at least one embodiment of the present disclosure, the polymeric spinning aid is one or more of polyvinylpyrrolidone, polyvinyl alcohol, or polyethylene glycol.
According to at least one embodiment of the present disclosure, the aluminum-containing inorganic substance is at least two of aluminum oxide, elemental aluminum, aluminum chloride, aluminum propoxide, and aluminum nitrate.
A continuous alumina fiber fabric is formed by weaving continuous alumina fibers; the continuous alumina fiber is prepared by the preparation method of the continuous alumina fiber.
According to at least one embodiment of the present disclosure, the continuous alumina fiber fabric is woven by the continuous alumina fibers in a plain orthogonal manner.
According to at least one embodiment of the present disclosure, the warp and weft floats of the continuous alumina fiber fabric are the same.
Protective clothing made of the continuous alumina fiber fabric.
The beneficial effects of this disclosure are: the method combines the inorganic fiber preparation method with the fabric weaving, and provides a new method for preparing the high-temperature-resistant heat-insulating garment material. Meanwhile, a technical support and a theoretical basis are provided for the development market of the inorganic fiber woven fabric, and the further expansion and application of the textile fabric market are facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
FIG. 1 is a scanning electron micrograph of a continuous alumina fiber made according to the present disclosure, produced by Hitachi corporation under the model TM4000p lus.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1:
adding aluminum chloride and deionized water into a reaction kettle for dissolving, heating to 70 ℃, then adding simple substance aluminum into the reaction kettle, adding polyvinylpyrrolidone after complete hydrolysis reaction, and carrying out evaporation concentration for 24h at the temperature of 60-100 ℃ until the viscosity of the filament can be adjusted to obtain sol-gel. Dry spinning is adopted, and the sol-gel is formed into filaments by being boosted by high-pressure air of 5-7Mpa through spinning pore passages. The alumina fiber is formed after being calcined at the high temperature of 1100 ℃ and 1400 ℃, and the drawing speed is 15-20 mm/s. The pressure of the high pressure air is determined according to the viscosity of the sol-gel. The mass ratio of the aluminum chloride to the simple substance aluminum is 1:1-1:1.5
The continuous alumina fiber fabric can be prepared by weaving the continuous alumina fibers in the existing weaving mode, preferably, the continuous alumina fiber fabric is formed by weaving the continuous alumina fibers in a plain orthogonal mode, and the yield is higher. Furthermore, the floating points of the warp yarns and the weft yarns of the continuous alumina fiber fabric are the same.
The embodiment also provides protective clothing which is made of the continuous alumina fiber fabric.
Example 2:
adding aluminum nitrate into deionized water, dissolving in a reaction kettle, heating to 70 ℃, and then adding simple substance aluminum and aluminum chloride. After hydrolysis reaction, adding polyvinyl alcohol as an auxiliary agent, and evaporating and concentrating at 60-100 ℃ for 24h until the viscosity of the silk can be adjusted to obtain sol gel. Dry spinning is adopted, and the sol-gel is formed into filaments by being boosted by high-pressure air of 5-7Mpa through spinning pore passages. The alumina fiber is formed after being calcined at the high temperature of 1100 ℃ and 1400 ℃, and the drawing speed is 15-20 mm/s. The pressure of the high pressure air is determined according to the viscosity of the sol-gel. The mass ratio of the aluminum nitrate to the aluminum chloride to the simple substance aluminum is 2: 1: 3.
the continuous alumina fiber fabric can be prepared by weaving the continuous alumina fibers in the existing weaving mode, preferably, the continuous alumina fiber fabric is formed by weaving the continuous alumina fibers in a plain orthogonal mode, and the yield is higher. Furthermore, the floating points of the warp yarns and the weft yarns of the continuous alumina fiber fabric are the same.
The embodiment also provides protective clothing which is made of the continuous alumina fiber fabric.
Example 3:
dissolving aluminum chloride in deionized water in a reaction kettle, heating to 70 ℃, and adding aluminum isopropoxide. Adding simple substance aluminum after hydrolysis reaction, adding auxiliary agent polyethylene glycol, and evaporating and concentrating at 60-100 deg.C for 24h to adjust the viscosity of the filament to obtain sol gel. The sol-gel is formed into filaments by high-pressure air of 5-7Mpa through spinning pore channels. The alumina fiber is formed after being calcined at the high temperature of 1100 ℃ and 1400 ℃, and the drawing speed is 15-20 mm/s. The pressure of the high-pressure air is determined according to the viscosity of the continuous alumina crystal fibers. The mass ratio of aluminum isopropoxide to aluminum chloride to simple substance aluminum is 1: 2: 3.
the continuous alumina fiber fabric can be prepared by weaving the continuous alumina fibers in the existing weaving mode, preferably, the continuous alumina fiber fabric is formed by weaving the continuous alumina fibers in a plain orthogonal mode, and the yield is higher. Furthermore, the floating points of the warp yarns and the weft yarns of the continuous alumina fiber fabric are the same.
The embodiment also provides protective clothing which is made of the continuous alumina fiber fabric.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (8)
1. A method of making continuous alumina fibers, comprising:
taking an aluminum-containing inorganic substance as a raw material, and preparing sol-gel by a sol-gel method;
boosting the sol gel by using high-pressure air and forming alumina fiber precursor through a spinning pore channel, wherein the high-pressure is 5-7 Mpa;
the alumina fiber protofilament is calcined at the high temperature of 1100-1400 ℃, and is drawn, wound and coiled to form continuous alumina fiber long filament, wherein the drawing speed is 15-20 mm/s.
2. The method of making continuous alumina fibers of claim 1, wherein the step of making a sol-gel using a "sol-gel" process comprises:
dissolving an aluminum-containing inorganic substance in deionized water, carrying out hydrolysis reaction at 70 ℃ to obtain sol, adding a high-molecular spinning auxiliary agent into the sol, and then carrying out evaporation concentration at 60-100 ℃ for 24h to obtain the sol gel.
3. The method of claim 2, wherein the polymeric spinning aid is one or more of polyvinylpyrrolidone, polyvinyl alcohol, or polyethylene glycol.
4. The method for producing a continuous alumina fiber according to any one of claims 1 to 3, wherein the aluminum-containing inorganic substance is at least two of alumina, elemental aluminum, aluminum chloride, aluminum propoxide, and aluminum nitrate.
5. A continuous alumina fiber fabric is characterized in that the fabric is woven by continuous alumina fibers; the continuous alumina fiber is produced by the method of producing a continuous alumina fiber according to any one of claims 1 to 4.
6. The continuous alumina fiber fabric of claim 5, wherein the continuous alumina fiber fabric is woven from the continuous alumina fibers in a plain orthogonal manner.
7. The continuous alumina fiber fabric of claim 6, wherein the warp and weft floats of the continuous alumina fiber fabric are the same.
8. Protective clothing made of a continuous alumina fiber fabric according to any one of claims 5 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329746.3A CN113862832A (en) | 2021-11-11 | 2021-11-11 | Continuous alumina fiber, preparation method thereof and heat-insulation protective fabric |
| PCT/CN2022/125574 WO2023082942A1 (en) | 2021-11-11 | 2022-10-17 | Continuous alumina fiber and preparation method therefor, and thermal-insulation protective fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329746.3A CN113862832A (en) | 2021-11-11 | 2021-11-11 | Continuous alumina fiber, preparation method thereof and heat-insulation protective fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113862832A true CN113862832A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111329746.3A Pending CN113862832A (en) | 2021-11-11 | 2021-11-11 | Continuous alumina fiber, preparation method thereof and heat-insulation protective fabric |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113862832A (en) |
| WO (1) | WO2023082942A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082942A1 (en) * | 2021-11-11 | 2023-05-19 | 国装新材料技术(江苏)有限公司 | Continuous alumina fiber and preparation method therefor, and thermal-insulation protective fabric |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117306021A (en) * | 2023-10-16 | 2023-12-29 | 安徽同和晶体新材料股份有限公司 | Preparation method of rare earth oxide reinforced alumina fiber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3996145A (en) * | 1972-11-29 | 1976-12-07 | Imperial Chemical Industries Limited | Fibrous materials |
| CN1035479A (en) * | 1987-03-13 | 1989-09-13 | 中国科学院山西煤炭化学研究所 | The preparation method of compound aluminium oxide fibre |
| US5145734A (en) * | 1989-06-08 | 1992-09-08 | Kanebo Limited | Woven fabric high-purity alumina continuous filament, high-purity alumina filament for production thereof, and processes for production of woven fabric and continuous filament |
| JP2009275321A (en) * | 2008-05-16 | 2009-11-26 | Itm Co Ltd | Method for producing alumina fiber, fiberizing apparatus, blanket, and block |
| CN112195535A (en) * | 2020-08-13 | 2021-01-08 | 中南大学 | Precursor sol for continuous alumina fiber and application thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1983002291A1 (en) * | 1981-12-31 | 1983-07-07 | Bray, Roger | Process for making inorganic oxide fibers |
| CN113862832A (en) * | 2021-11-11 | 2021-12-31 | 国装新材料技术(江苏)有限公司 | Continuous alumina fiber, preparation method thereof and heat-insulation protective fabric |
-
2021
- 2021-11-11 CN CN202111329746.3A patent/CN113862832A/en active Pending
-
2022
- 2022-10-17 WO PCT/CN2022/125574 patent/WO2023082942A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3996145A (en) * | 1972-11-29 | 1976-12-07 | Imperial Chemical Industries Limited | Fibrous materials |
| CN1035479A (en) * | 1987-03-13 | 1989-09-13 | 中国科学院山西煤炭化学研究所 | The preparation method of compound aluminium oxide fibre |
| US5145734A (en) * | 1989-06-08 | 1992-09-08 | Kanebo Limited | Woven fabric high-purity alumina continuous filament, high-purity alumina filament for production thereof, and processes for production of woven fabric and continuous filament |
| JP2009275321A (en) * | 2008-05-16 | 2009-11-26 | Itm Co Ltd | Method for producing alumina fiber, fiberizing apparatus, blanket, and block |
| CN112195535A (en) * | 2020-08-13 | 2021-01-08 | 中南大学 | Precursor sol for continuous alumina fiber and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082942A1 (en) * | 2021-11-11 | 2023-05-19 | 国装新材料技术(江苏)有限公司 | Continuous alumina fiber and preparation method therefor, and thermal-insulation protective fabric |
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| WO2023082942A1 (en) | 2023-05-19 |
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Application publication date: 20211231 |