JPS5776066A - Water-based ink - Google Patents

Water-based ink

Info

Publication number
JPS5776066A
JPS5776066A JP15159880A JP15159880A JPS5776066A JP S5776066 A JPS5776066 A JP S5776066A JP 15159880 A JP15159880 A JP 15159880A JP 15159880 A JP15159880 A JP 15159880A JP S5776066 A JPS5776066 A JP S5776066A
Authority
JP
Japan
Prior art keywords
water
dye
based ink
ethyleneimine
copolymer
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
JP15159880A
Other languages
Japanese (ja)
Inventor
Ikuo Takagishi
Katsuhiko Kawabata
Kazuo Kurauchi
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.)
Pentel Co Ltd
Original Assignee
Pentel 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 Pentel Co Ltd filed Critical Pentel Co Ltd
Priority to JP15159880A priority Critical patent/JPS5776066A/en
Publication of JPS5776066A publication Critical patent/JPS5776066A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To prepare an ink having excellent water resistance, capable of preventing the discoloration of dye, and useful for writing utensils, printing, recording instrument, etc., by compounding a copolymer of ethyleneimine and ethylene oxide to a direct or acid dye, a water-soluble organic solvent, and water.
CONSTITUTION: The objective watr-based ink is prepared by mixing (A) a direct dye and/or a an acid dye, (B) a water-soluble organic solvent such as ethylene glyco l, (C) water, and (D) a copolymer of ethyleneimine and ethylene oxide, e.g. at room temperature. The amounts of (B), (C) and (D) are pref. 1W40wt%, 40W85%, and 0.5W10wt%, respectively.
COPYRIGHT: (C)1982,JPO&Japio
JP15159880A 1980-10-29 1980-10-29 Water-based ink Pending JPS5776066A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15159880A JPS5776066A (en) 1980-10-29 1980-10-29 Water-based ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15159880A JPS5776066A (en) 1980-10-29 1980-10-29 Water-based ink

Publications (1)

Publication Number Publication Date
JPS5776066A true JPS5776066A (en) 1982-05-12

Family

ID=15522019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15159880A Pending JPS5776066A (en) 1980-10-29 1980-10-29 Water-based ink

Country Status (1)

Country Link
JP (1) JPS5776066A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927973A (en) * 1982-08-06 1984-02-14 Dainippon Ink & Chem Inc Ink composition for ink jet printer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927973A (en) * 1982-08-06 1984-02-14 Dainippon Ink & Chem Inc Ink composition for ink jet printer
JPH0354143B2 (en) * 1982-08-06 1991-08-19

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