JPS57145169A - Liquid-type ink with water-erasable trace - Google Patents

Liquid-type ink with water-erasable trace

Info

Publication number
JPS57145169A
JPS57145169A JP3052881A JP3052881A JPS57145169A JP S57145169 A JPS57145169 A JP S57145169A JP 3052881 A JP3052881 A JP 3052881A JP 3052881 A JP3052881 A JP 3052881A JP S57145169 A JPS57145169 A JP S57145169A
Authority
JP
Japan
Prior art keywords
water
ink
liquid
trace
type 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
JP3052881A
Other languages
Japanese (ja)
Inventor
Yoshi Matsui
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.)
NIPPON CHIYAKOPEEPAA KK
Original Assignee
NIPPON CHIYAKOPEEPAA KK
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 NIPPON CHIYAKOPEEPAA KK filed Critical NIPPON CHIYAKOPEEPAA KK
Priority to JP3052881A priority Critical patent/JPS57145169A/en
Publication of JPS57145169A publication Critical patent/JPS57145169A/en
Pending legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

PURPOSE: A liquid-type ink capable of writing a letter, figure, etc. on fabric, paper, etc., which are easily erased with water, comprising a specified aq. sol. contg. an indicator which can be colored or decolored depending on pH.
CONSTITUTION: An indicator such as phenol red, m-nitrophenol or bromothymol blue which can be colored in a slightly alkaline soln. and decolored in a neutral or acid soln. is used. For example, 3W3.5pts.wt. sodium carbonate, 0.5W0.7pts.wt. potassium hydroxide, 80pts.wt. water, 0.25W3pts.wt. phenol red and 20pts.wt. polyethylene glycol are mixed to form an ink exhibiting red in a slightly alkaline soln. A trace written with said ink can be easily erased with water. It is possible to prepare a yellow ink by use of m-nitrophenol and a blue ink by use of bromothymol blue.
COPYRIGHT: (C)1982,JPO&Japio
JP3052881A 1981-03-05 1981-03-05 Liquid-type ink with water-erasable trace Pending JPS57145169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3052881A JPS57145169A (en) 1981-03-05 1981-03-05 Liquid-type ink with water-erasable trace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3052881A JPS57145169A (en) 1981-03-05 1981-03-05 Liquid-type ink with water-erasable trace

Publications (1)

Publication Number Publication Date
JPS57145169A true JPS57145169A (en) 1982-09-08

Family

ID=12306297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3052881A Pending JPS57145169A (en) 1981-03-05 1981-03-05 Liquid-type ink with water-erasable trace

Country Status (1)

Country Link
JP (1) JPS57145169A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59179572A (en) * 1983-03-29 1984-10-12 Seiji Kawashima Writing utensil set
JPS59182776A (en) * 1983-04-02 1984-10-17 Seiji Kawashima Stamping set
JPS63286481A (en) * 1987-05-20 1988-11-24 Dainichi Color & Chem Mfg Co Ltd Ink composition for ink jetting
US5310627A (en) * 1992-12-15 1994-05-10 Minnesota Mining And Manufacturing Company Changing the color of yellow resist images by application of pH-sensitive dyes
CN111579479A (en) * 2020-05-06 2020-08-25 广州速马实业有限公司 Water-based precoating detection agent, detection pen and detection method for digital printing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59179572A (en) * 1983-03-29 1984-10-12 Seiji Kawashima Writing utensil set
JPS59182776A (en) * 1983-04-02 1984-10-17 Seiji Kawashima Stamping set
JPS63286481A (en) * 1987-05-20 1988-11-24 Dainichi Color & Chem Mfg Co Ltd Ink composition for ink jetting
US5310627A (en) * 1992-12-15 1994-05-10 Minnesota Mining And Manufacturing Company Changing the color of yellow resist images by application of pH-sensitive dyes
CN111579479A (en) * 2020-05-06 2020-08-25 广州速马实业有限公司 Water-based precoating detection agent, detection pen and detection method for digital printing

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