JPS5661466A - Manufacture of pigmentary ink for writing tool - Google Patents
Manufacture of pigmentary ink for writing toolInfo
- Publication number
- JPS5661466A JPS5661466A JP13653579A JP13653579A JPS5661466A JP S5661466 A JPS5661466 A JP S5661466A JP 13653579 A JP13653579 A JP 13653579A JP 13653579 A JP13653579 A JP 13653579A JP S5661466 A JPS5661466 A JP S5661466A
- Authority
- JP
- Japan
- Prior art keywords
- manufacture
- pigmentary
- ink
- dispersivity
- stable
- 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
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
PURPOSE: To manufacture a pigmentary ink having a stable dispersivity for a long period of time and scarcely causing clogging, by adding a polyhydric alcohol and an O/W type resin emulsion to a pigment dispersion deprived of coarse pigment particles by a centrifugal separator.
CONSTITUTION: A pigment dispersion, obtained by removing coarse pigment particles by means of a centrifugal separator at a centrifugal acceleration of 27,000G, is mixed with a polyhydric alcohol (e.g., 1,2-ethanediol) and/or its derivative (e.g., diethylene glycol dimethyl ether) and an O/W type resin emulsion (e.g., emulsions of an acrylic resin, vinyl acetate resin, etc.) as requisite components to obtain a pigmentary ink for writing tools which has a stable dispersivity for a long period of time and scarcely causes clogging.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13653579A JPS5661466A (en) | 1979-10-23 | 1979-10-23 | Manufacture of pigmentary ink for writing tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13653579A JPS5661466A (en) | 1979-10-23 | 1979-10-23 | Manufacture of pigmentary ink for writing tool |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5661466A true JPS5661466A (en) | 1981-05-26 |
JPS629272B2 JPS629272B2 (en) | 1987-02-27 |
Family
ID=15177450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13653579A Granted JPS5661466A (en) | 1979-10-23 | 1979-10-23 | Manufacture of pigmentary ink for writing tool |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5661466A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002097387A (en) * | 2000-09-21 | 2002-04-02 | Jsr Corp | Method of preparation for aqueous dispersion of inorganic particles |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48101026A (en) * | 1972-03-31 | 1973-12-20 | ||
JPS49101963A (en) * | 1973-01-31 | 1974-09-26 | ||
JPS5410023A (en) * | 1977-06-22 | 1979-01-25 | Dainichiseika Color Chem | Aqueous ink composition for writing instrument |
-
1979
- 1979-10-23 JP JP13653579A patent/JPS5661466A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48101026A (en) * | 1972-03-31 | 1973-12-20 | ||
JPS49101963A (en) * | 1973-01-31 | 1974-09-26 | ||
JPS5410023A (en) * | 1977-06-22 | 1979-01-25 | Dainichiseika Color Chem | Aqueous ink composition for writing instrument |
Also Published As
Publication number | Publication date |
---|---|
JPS629272B2 (en) | 1987-02-27 |
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