JPS6454082A - Water-base ink composition - Google Patents

Water-base ink composition

Info

Publication number
JPS6454082A
JPS6454082A JP62210800A JP21080087A JPS6454082A JP S6454082 A JPS6454082 A JP S6454082A JP 62210800 A JP62210800 A JP 62210800A JP 21080087 A JP21080087 A JP 21080087A JP S6454082 A JPS6454082 A JP S6454082A
Authority
JP
Japan
Prior art keywords
water
amino
hydroxyl
so3m
halogen
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
JP62210800A
Other languages
Japanese (ja)
Inventor
Masaru Shimada
Kakuji Murakami
Hiroyuki Kamimura
Kiyofumi Nagai
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP62210800A priority Critical patent/JPS6454082A/en
Publication of JPS6454082A publication Critical patent/JPS6454082A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obtain the title composition which has excellent ejection characteristics, water resistance, and light resistance, gives a printed image with excellent definition, and does not cause clogging, by using a specified water-soluble dye as its constituent. CONSTITUTION:The title composition is prepared by dissolving in water 0.5-20wt.% at least one water-soluble dye of formula I [wherein R1 is H, alkyl, alkoxyl, hydroxyalkyl, halogen, carbamoyl, sulfamoyl or -SO3M; Ar is a group of formula II or III (wherein R2 is hydroxyl, amino or methyl; R3 is hydroxyl, amino or substituted amino; R4 is H, methyl, methoxyl, halogen or -SO3M; R5 is hydroxyl or amino; n is 0-2); M is H, Li, K, Na, quaternary ammonium or an organic amine], 5-80wt.% water-soluble organic solvent (e.g., ethylene glycol), and an antiseptic and mildewproofing agent, a rust- preventive agent, a chelating agent, etc., and adjusting the pH of the solution to 9.0-11.0.
JP62210800A 1987-08-25 1987-08-25 Water-base ink composition Pending JPS6454082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62210800A JPS6454082A (en) 1987-08-25 1987-08-25 Water-base ink composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62210800A JPS6454082A (en) 1987-08-25 1987-08-25 Water-base ink composition

Publications (1)

Publication Number Publication Date
JPS6454082A true JPS6454082A (en) 1989-03-01

Family

ID=16595343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62210800A Pending JPS6454082A (en) 1987-08-25 1987-08-25 Water-base ink composition

Country Status (1)

Country Link
JP (1) JPS6454082A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0626428A1 (en) 1993-05-18 1994-11-30 Canon Kabushiki Kaisha Azo dye compounds, ink containing the same, and recording method and instrument using the ink

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0626428A1 (en) 1993-05-18 1994-11-30 Canon Kabushiki Kaisha Azo dye compounds, ink containing the same, and recording method and instrument using the ink
US5466282A (en) * 1993-05-18 1995-11-14 Canon Kabushiki Kaisha Azo dye compound, ink containing the same, and recording method and instrument using the ink

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