JPS6424012A - Production of impermeable carbon material - Google Patents
Production of impermeable carbon materialInfo
- Publication number
- JPS6424012A JPS6424012A JP62176732A JP17673287A JPS6424012A JP S6424012 A JPS6424012 A JP S6424012A JP 62176732 A JP62176732 A JP 62176732A JP 17673287 A JP17673287 A JP 17673287A JP S6424012 A JPS6424012 A JP S6424012A
- Authority
- JP
- Japan
- Prior art keywords
- carbon material
- cured
- phenol
- viscosity
- production
- 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
- Ceramic Products (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
PURPOSE:To produce a homogeneous carbon material having superior gas impermeability by curing a soln. of phenol-formaldehyde resin having a specified average mol.wt. and a specified viscosity and by carbonizing the cured resin. CONSTITUTION:Phenol-formaldehyde resin having 270-280 average mol.wt. and 110-250cps viscosity at 25 deg.C is dissolved in a solvent such as methanol and the resulting soln. is poured into a metal mold and cured. The cured resin is carbonized by holding at >=800 deg.C in an inert atmosphere of N2, etc., to obtain a carbon material having high apparent density, satisfactory electric specific resistance and low gas permeability.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62176732A JPS6424012A (en) | 1987-07-15 | 1987-07-15 | Production of impermeable carbon material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62176732A JPS6424012A (en) | 1987-07-15 | 1987-07-15 | Production of impermeable carbon material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6424012A true JPS6424012A (en) | 1989-01-26 |
Family
ID=16018817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62176732A Pending JPS6424012A (en) | 1987-07-15 | 1987-07-15 | Production of impermeable carbon material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6424012A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998008772A1 (en) * | 1996-08-28 | 1998-03-05 | Nisshinbo Industries, Inc. | Glassy carbon and process for the preparation thereof |
US6241956B1 (en) | 1997-08-27 | 2001-06-05 | Nisshinbo Industries, Inc. | Glassy carbon and process for production thereof |
-
1987
- 1987-07-15 JP JP62176732A patent/JPS6424012A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998008772A1 (en) * | 1996-08-28 | 1998-03-05 | Nisshinbo Industries, Inc. | Glassy carbon and process for the preparation thereof |
KR100430460B1 (en) * | 1996-08-28 | 2004-07-19 | 닛신보세키 가부시키 가이샤 | Glass-like carbon and method for producing the same, magnetic recording medium container plate, and plasma- |
US6241956B1 (en) | 1997-08-27 | 2001-06-05 | Nisshinbo Industries, Inc. | Glassy carbon and process for production thereof |
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