JPS5520239A - Production of polycrystalline alumina silica fiber - Google Patents
Production of polycrystalline alumina silica fiberInfo
- Publication number
- JPS5520239A JPS5520239A JP9220378A JP9220378A JPS5520239A JP S5520239 A JPS5520239 A JP S5520239A JP 9220378 A JP9220378 A JP 9220378A JP 9220378 A JP9220378 A JP 9220378A JP S5520239 A JPS5520239 A JP S5520239A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- silica
- dispersion
- polycrystalline alumina
- aluminum oxychloride
- 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
Landscapes
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Inorganic Fibers (AREA)
Abstract
PURPOSE: To obtain polycrystalline alumina silica fiber having a low linear contraction coefficient and good restorability with high working efficiency and productivity by converting a dispersion consisting of silica hydrogel, aluminum oxychloride and polyvinyl alcohol into fiber with centrifugal force followed by heat treatment.
CONSTITUTION: A uniform dispersion of water insol. silica hydrogel and aluminum oxychloride with an Al to Cl molar ratio of 1.7W1.9 is blended with polyvinyl alcohol to prepare a fiber-forming dispersion with a pH value of 2W4, a specific gravity of 1.35W1.45, a viscosity of 500W5000 cps and a solid content of 25W35% as oxide. The blending ratio of the silica hydrogel and aluminum oxychloride is 80W95:20W5, pref. 80W85:15W10 by wt. as alumina:silica, and the total amt. of them is regulated to above 96, pref. 98W99%. The dispersion is then converted into fiber with centrifugal force, and the fiber is heat treated at 500W1200°C to obtain polycrystalline alumina silica fiber.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9220378A JPS5520239A (en) | 1978-07-28 | 1978-07-28 | Production of polycrystalline alumina silica fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9220378A JPS5520239A (en) | 1978-07-28 | 1978-07-28 | Production of polycrystalline alumina silica fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5520239A true JPS5520239A (en) | 1980-02-13 |
Family
ID=14047879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9220378A Pending JPS5520239A (en) | 1978-07-28 | 1978-07-28 | Production of polycrystalline alumina silica fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5520239A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60246816A (en) * | 1984-05-21 | 1985-12-06 | Shinagawa Refract Co Ltd | Preparation of refractory fiber precursor in short fiber state and device therefor |
| JPH01289994A (en) * | 1988-05-17 | 1989-11-21 | Casio Comput Co Ltd | Electronic musical instrument |
| US4983368A (en) * | 1988-12-23 | 1991-01-08 | Nkk Corporation | Method of producing β-sialon fine powder |
| US5002750A (en) * | 1987-03-05 | 1991-03-26 | Sumitomo Chemical Company, Limited | Process for producing alumina-based fiber |
-
1978
- 1978-07-28 JP JP9220378A patent/JPS5520239A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60246816A (en) * | 1984-05-21 | 1985-12-06 | Shinagawa Refract Co Ltd | Preparation of refractory fiber precursor in short fiber state and device therefor |
| US5002750A (en) * | 1987-03-05 | 1991-03-26 | Sumitomo Chemical Company, Limited | Process for producing alumina-based fiber |
| JPH01289994A (en) * | 1988-05-17 | 1989-11-21 | Casio Comput Co Ltd | Electronic musical instrument |
| US4983368A (en) * | 1988-12-23 | 1991-01-08 | Nkk Corporation | Method of producing β-sialon fine powder |
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