JPS6429493A - Carbonaceous microbead and production thereof - Google Patents
Carbonaceous microbead and production thereofInfo
- Publication number
- JPS6429493A JPS6429493A JP18458687A JP18458687A JPS6429493A JP S6429493 A JPS6429493 A JP S6429493A JP 18458687 A JP18458687 A JP 18458687A JP 18458687 A JP18458687 A JP 18458687A JP S6429493 A JPS6429493 A JP S6429493A
- Authority
- JP
- Japan
- Prior art keywords
- medium
- microbeads
- mesophase pitch
- carbonaceous
- temp
- 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.)
- Granted
Links
Landscapes
- Working-Up Tar And Pitch (AREA)
Abstract
PURPOSE:To produce carbonaceous microbeads having a uniform grain size distribution in a high yield, by dispersing a powdery mesophase pitch in a particular org. medium, emulsifying and removing the dispersion medium. CONSTITUTION:A pulverized and classified powder mesophase pitch which has an optically anisotropic region of at least 75%, a toluene insoluble content of 60-100%, and a quinoline insoluble content of up to 60% is homogeneously dispersed in a dispersion medium (dioctyl phthalate) having a b.p. higher than the softening temp. of the powdery mesophase pitch and contg. 0.1-3.0wt.% heat-resistant dispersant. The resultant dispersion is heated at a temp. higher than the softening temp. while stirring so as to obtain an emulsion the medium is removed from the emulsion thereby obtaining globular mesocarbon microbeads. The beads are, according to necessity, subjected to heat stabilization treatment in an oxidizing gas atmosphere such as air, O2 or a halogen compd., followed by calcination in an inert gas or in a vacuum so as to effect graphitization. Thus, there are obtd. carbonaceous microbeads having a grain size of 3-100mum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62184586A JPH0776342B2 (en) | 1987-07-23 | 1987-07-23 | Method for producing carbonaceous microspheres |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62184586A JPH0776342B2 (en) | 1987-07-23 | 1987-07-23 | Method for producing carbonaceous microspheres |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6429493A true JPS6429493A (en) | 1989-01-31 |
JPH0776342B2 JPH0776342B2 (en) | 1995-08-16 |
Family
ID=16155799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62184586A Expired - Fee Related JPH0776342B2 (en) | 1987-07-23 | 1987-07-23 | Method for producing carbonaceous microspheres |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0776342B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011078145A1 (en) * | 2009-12-24 | 2011-06-30 | 東レ株式会社 | Carbon microparticle and process for production thereof |
CN112831334A (en) * | 2021-01-13 | 2021-05-25 | 中国石油大学(华东) | Preparation method of mesophase pitch and mesophase carbon microspheres |
CN114437749A (en) * | 2020-11-02 | 2022-05-06 | 中国石油化工股份有限公司 | Preparation method of amino-enriched asphalt and microspheres thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110451475B (en) * | 2019-07-05 | 2021-03-26 | 北京化工大学 | Preparation method of asphalt-based carbon microspheres and application of asphalt-based carbon microspheres as sodium ion battery electrode material |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5039633A (en) * | 1973-08-15 | 1975-04-11 | ||
JPS539599A (en) * | 1976-07-12 | 1978-01-28 | Philips Nv | Document planing device |
JPS5854081A (en) * | 1981-09-28 | 1983-03-30 | 三菱レイヨン株式会社 | Hydrophilic synthetic fiber |
JPS5917043A (en) * | 1982-07-17 | 1984-01-28 | Daido Kogyo Co Ltd | Wrapping connecting type power transmission device |
JPS60255604A (en) * | 1984-05-30 | 1985-12-17 | Sumitomo Metal Ind Ltd | Preparation of mesocarbon microbead |
JPS61242907A (en) * | 1985-04-16 | 1986-10-29 | Mitsubishi Chem Ind Ltd | Porous mesocarbon microbead and production thereof |
JPS6211796A (en) * | 1985-07-10 | 1987-01-20 | Mitsubishi Chem Ind Ltd | Production of mesocarbon microbead |
JPS62132993A (en) * | 1985-12-04 | 1987-06-16 | Mitsubishi Chem Ind Ltd | Production of meso-carbon microbead from bulk mesophase |
-
1987
- 1987-07-23 JP JP62184586A patent/JPH0776342B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5039633A (en) * | 1973-08-15 | 1975-04-11 | ||
JPS539599A (en) * | 1976-07-12 | 1978-01-28 | Philips Nv | Document planing device |
JPS5854081A (en) * | 1981-09-28 | 1983-03-30 | 三菱レイヨン株式会社 | Hydrophilic synthetic fiber |
JPS5917043A (en) * | 1982-07-17 | 1984-01-28 | Daido Kogyo Co Ltd | Wrapping connecting type power transmission device |
JPS60255604A (en) * | 1984-05-30 | 1985-12-17 | Sumitomo Metal Ind Ltd | Preparation of mesocarbon microbead |
JPS61242907A (en) * | 1985-04-16 | 1986-10-29 | Mitsubishi Chem Ind Ltd | Porous mesocarbon microbead and production thereof |
JPS6211796A (en) * | 1985-07-10 | 1987-01-20 | Mitsubishi Chem Ind Ltd | Production of mesocarbon microbead |
JPS62132993A (en) * | 1985-12-04 | 1987-06-16 | Mitsubishi Chem Ind Ltd | Production of meso-carbon microbead from bulk mesophase |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011078145A1 (en) * | 2009-12-24 | 2011-06-30 | 東レ株式会社 | Carbon microparticle and process for production thereof |
CN114437749A (en) * | 2020-11-02 | 2022-05-06 | 中国石油化工股份有限公司 | Preparation method of amino-enriched asphalt and microspheres thereof |
CN112831334A (en) * | 2021-01-13 | 2021-05-25 | 中国石油大学(华东) | Preparation method of mesophase pitch and mesophase carbon microspheres |
CN112831334B (en) * | 2021-01-13 | 2022-07-29 | 中国石油大学(华东) | Preparation method of mesophase pitch and mesophase carbon microspheres |
Also Published As
Publication number | Publication date |
---|---|
JPH0776342B2 (en) | 1995-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |