JPS5643374A - Ballpoint pen ink composition - Google Patents
Ballpoint pen ink compositionInfo
- Publication number
- JPS5643374A JPS5643374A JP11995679A JP11995679A JPS5643374A JP S5643374 A JPS5643374 A JP S5643374A JP 11995679 A JP11995679 A JP 11995679A JP 11995679 A JP11995679 A JP 11995679A JP S5643374 A JPS5643374 A JP S5643374A
- Authority
- JP
- Japan
- Prior art keywords
- coagulable
- self
- solvent
- ballpoint pen
- ink
- 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
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
PURPOSE: To provide a ballpoint pen ink, characterized in that handwriting by said ink written on a paper surface can be easily erased by an erasing material such as an eraser, comprising by incorporating a pigment, a self-coagulable solid polymer, aself-coagulable liquid polymer and a solvent.
CONSTITUTION: An ink contains a pigment, a self-coagulable solid polymer, a self- coagulable liquid polymer and s solvent. As a self-coagulable solid polymer to be used, there are a polyisoprene, a styrene-butadiene copolymer, a polychloroprene or a chlorinated polyethylene, As a self-coagulable liquid polymer to be used, a liquid polybutadien (MW 500W8,000), a liquid butadiene-acrylonitrile copolymer (MW 1,000W8,000) or a polystyrene (MW 200W1,500) are designated. As a solvent, if the storage stability of an ink is considered, a solvent having a b.p. of 100°C or more is preferred and, moreover, one not corroding a metal constituting a tip of a ballpoint pen is pref.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11995679A JPS5643374A (en) | 1979-09-18 | 1979-09-18 | Ballpoint pen ink composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11995679A JPS5643374A (en) | 1979-09-18 | 1979-09-18 | Ballpoint pen ink composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5643374A true JPS5643374A (en) | 1981-04-22 |
Family
ID=14774354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11995679A Pending JPS5643374A (en) | 1979-09-18 | 1979-09-18 | Ballpoint pen ink composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5643374A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5665062A (en) * | 1979-10-31 | 1981-06-02 | Pentel Kk | Ink for ball point pen |
JPS58136982A (en) * | 1982-02-05 | 1983-08-15 | 中部ハンドリング株式会社 | Agitator for molten metal |
JPS58185730A (en) * | 1982-04-23 | 1983-10-29 | Shinmei Eng Kk | Control device for stirrer for molten metal |
JPS61189199U (en) * | 1985-05-17 | 1986-11-26 | ||
JPH05214285A (en) * | 1992-02-07 | 1993-08-24 | Mitsubishi Pencil Co Ltd | Erasable ink composition |
-
1979
- 1979-09-18 JP JP11995679A patent/JPS5643374A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5665062A (en) * | 1979-10-31 | 1981-06-02 | Pentel Kk | Ink for ball point pen |
JPS6325635B2 (en) * | 1979-10-31 | 1988-05-26 | Pentel Kk | |
JPS58136982A (en) * | 1982-02-05 | 1983-08-15 | 中部ハンドリング株式会社 | Agitator for molten metal |
JPS58185730A (en) * | 1982-04-23 | 1983-10-29 | Shinmei Eng Kk | Control device for stirrer for molten metal |
JPS61189199U (en) * | 1985-05-17 | 1986-11-26 | ||
JPH05214285A (en) * | 1992-02-07 | 1993-08-24 | Mitsubishi Pencil Co Ltd | Erasable ink composition |
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