JPS5643374A - Ballpoint pen ink composition - Google Patents

Ballpoint pen ink composition

Info

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
Application number
JP11995679A
Other languages
Japanese (ja)
Inventor
Hideji Taga
Kazuhiko Honda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pilot Ink Co Ltd
Original Assignee
Pilot Ink Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pilot Ink Co Ltd filed Critical Pilot Ink Co Ltd
Priority to JP11995679A priority Critical patent/JPS5643374A/en
Publication of JPS5643374A publication Critical patent/JPS5643374A/en
Pending legal-status Critical Current

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
JP11995679A 1979-09-18 1979-09-18 Ballpoint pen ink composition Pending JPS5643374A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
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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