JPS5550072A - Aqueous ink composition - Google Patents

Aqueous ink composition

Info

Publication number
JPS5550072A
JPS5550072A JP12318878A JP12318878A JPS5550072A JP S5550072 A JPS5550072 A JP S5550072A JP 12318878 A JP12318878 A JP 12318878A JP 12318878 A JP12318878 A JP 12318878A JP S5550072 A JPS5550072 A JP S5550072A
Authority
JP
Japan
Prior art keywords
water
dye
aqueous ink
ink composition
organic solvent
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
Application number
JP12318878A
Other languages
Japanese (ja)
Other versions
JPS6138222B2 (en
Inventor
Katsumi Hirano
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 JP12318878A priority Critical patent/JPS5550072A/en
Publication of JPS5550072A publication Critical patent/JPS5550072A/en
Publication of JPS6138222B2 publication Critical patent/JPS6138222B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: The title composition having improved water resistance, nonvaporization, and stability with time, capable of giving smooth ink output at all times, comprising a dye, dimethyl sulfone, a nonvolatile water-soluble organic solvent, and water.
CONSTITUTION: An aqueous ink composition comprising (A) a dye, e.g. water- soluble acid, direct, or basic dye, (B) dimethyl sulfone having improved hydrotropic action, (C) a nonvolatile water-soluble organic solvent, e.g. ethylene glycol, and (D) water as essential constituents. The amount of (B) is 2W50wt%, preferably 5W30wt%, and the weight ratio of (C) to (B) is preferably 1: 0.1W2.0.
COPYRIGHT: (C)1980,JPO&Japio
JP12318878A 1978-10-05 1978-10-05 Aqueous ink composition Granted JPS5550072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12318878A JPS5550072A (en) 1978-10-05 1978-10-05 Aqueous ink composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12318878A JPS5550072A (en) 1978-10-05 1978-10-05 Aqueous ink composition

Publications (2)

Publication Number Publication Date
JPS5550072A true JPS5550072A (en) 1980-04-11
JPS6138222B2 JPS6138222B2 (en) 1986-08-28

Family

ID=14854361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12318878A Granted JPS5550072A (en) 1978-10-05 1978-10-05 Aqueous ink composition

Country Status (1)

Country Link
JP (1) JPS5550072A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58162667A (en) * 1982-03-03 1983-09-27 バイエル・アクチエンゲゼルシヤフト Composition of water-soluble organic dye
JPH02255876A (en) * 1988-12-21 1990-10-16 Pilot Corp:The Ink composition having water resistance
JPH02296878A (en) * 1989-05-10 1990-12-07 Pilot Corp:The Water-resistant ink composition

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58162667A (en) * 1982-03-03 1983-09-27 バイエル・アクチエンゲゼルシヤフト Composition of water-soluble organic dye
JPH02255876A (en) * 1988-12-21 1990-10-16 Pilot Corp:The Ink composition having water resistance
JPH02296878A (en) * 1989-05-10 1990-12-07 Pilot Corp:The Water-resistant ink composition

Also Published As

Publication number Publication date
JPS6138222B2 (en) 1986-08-28

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