JPS5453144A - Coloring of color beads - Google Patents
Coloring of color beadsInfo
- Publication number
- JPS5453144A JPS5453144A JP11859977A JP11859977A JPS5453144A JP S5453144 A JPS5453144 A JP S5453144A JP 11859977 A JP11859977 A JP 11859977A JP 11859977 A JP11859977 A JP 11859977A JP S5453144 A JPS5453144 A JP S5453144A
- Authority
- JP
- Japan
- Prior art keywords
- oxide
- color
- compounds
- coloring
- alumina particles
- 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
Abstract
PURPOSE: To obtain color beads suitable for color copy printing, having a clear red color, by diffusing and penetrating zinc oxide, chromium oxide, and manganese oxide into the surfaces of spherical finely divided alumina particles.
CONSTITUTION: 20W30 wt.% of zinc oxide, 10W20 wt.% of chromium oxide, and 2W10 wt.% of manganese oxide are diffused and penetrated into the surfaces of spherical alumina particles having a particle size of 5W50μ. These metal oxides may be compounds to form oxides by heating. After addition of the compounds, the mixture is heat-treated at 1,200W1,500°C
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52118599A JPS6017316B2 (en) | 1977-10-04 | 1977-10-04 | How to color colored beads |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52118599A JPS6017316B2 (en) | 1977-10-04 | 1977-10-04 | How to color colored beads |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5453144A true JPS5453144A (en) | 1979-04-26 |
JPS6017316B2 JPS6017316B2 (en) | 1985-05-02 |
Family
ID=14740551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52118599A Expired JPS6017316B2 (en) | 1977-10-04 | 1977-10-04 | How to color colored beads |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6017316B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101913883A (en) * | 2010-08-16 | 2010-12-15 | 烟台大学 | Method for manufacturing alumina-based nano artificial corundum gem powder |
-
1977
- 1977-10-04 JP JP52118599A patent/JPS6017316B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101913883A (en) * | 2010-08-16 | 2010-12-15 | 烟台大学 | Method for manufacturing alumina-based nano artificial corundum gem powder |
Also Published As
Publication number | Publication date |
---|---|
JPS6017316B2 (en) | 1985-05-02 |
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