JPS5495632A - Ultramarine blue composition and its production - Google Patents
Ultramarine blue composition and its productionInfo
- Publication number
- JPS5495632A JPS5495632A JP156678A JP156678A JPS5495632A JP S5495632 A JPS5495632 A JP S5495632A JP 156678 A JP156678 A JP 156678A JP 156678 A JP156678 A JP 156678A JP S5495632 A JPS5495632 A JP S5495632A
- Authority
- JP
- Japan
- Prior art keywords
- ultramarine blue
- production
- silica sol
- blue composition
- give
- 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
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
PURPOSE: An ultramarine blue composition having improved chemical, weather, and heat resistance, etc., obtained by coating the surfaces of ultramarine blue particles with fine amorphous silica deposited from silica sol.
CONSTITUTION: A) An alkali silicate is reacted with B) an organic compound, preferably an organic acid, capable of forming silica sol by reacting with A) in an aqueous slurry of ultramarine blue at preferably not lower than 60°c in the pH range of 9W11 to give silica sol. The surfaces of the ultramarine blue particles are coated with fine amorphous silica to give the desired composition.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP156678A JPS5495632A (en) | 1978-01-12 | 1978-01-12 | Ultramarine blue composition and its production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP156678A JPS5495632A (en) | 1978-01-12 | 1978-01-12 | Ultramarine blue composition and its production |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5495632A true JPS5495632A (en) | 1979-07-28 |
JPS5534184B2 JPS5534184B2 (en) | 1980-09-05 |
Family
ID=11505062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP156678A Granted JPS5495632A (en) | 1978-01-12 | 1978-01-12 | Ultramarine blue composition and its production |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5495632A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6183258A (en) * | 1984-09-28 | 1986-04-26 | Daiichi Kasei Kogyo Kk | Surface-treated ultramarine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4829528A (en) * | 1971-08-17 | 1973-04-19 | ||
JPS4916531A (en) * | 1972-06-05 | 1974-02-14 | ||
JPS507823A (en) * | 1973-05-23 | 1975-01-27 |
-
1978
- 1978-01-12 JP JP156678A patent/JPS5495632A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4829528A (en) * | 1971-08-17 | 1973-04-19 | ||
JPS4916531A (en) * | 1972-06-05 | 1974-02-14 | ||
JPS507823A (en) * | 1973-05-23 | 1975-01-27 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6183258A (en) * | 1984-09-28 | 1986-04-26 | Daiichi Kasei Kogyo Kk | Surface-treated ultramarine |
JPH0525912B2 (en) * | 1984-09-28 | 1993-04-14 | Daiichi Kasei Kogyo Kk |
Also Published As
Publication number | Publication date |
---|---|
JPS5534184B2 (en) | 1980-09-05 |
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