JPS57109871A - Water-based ink - Google Patents

Water-based ink

Info

Publication number
JPS57109871A
JPS57109871A JP55187117A JP18711780A JPS57109871A JP S57109871 A JPS57109871 A JP S57109871A JP 55187117 A JP55187117 A JP 55187117A JP 18711780 A JP18711780 A JP 18711780A JP S57109871 A JPS57109871 A JP S57109871A
Authority
JP
Japan
Prior art keywords
water
ink
organic solvent
sulfonic acid
soluble organic
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
JP55187117A
Other languages
Japanese (ja)
Other versions
JPS64431B2 (en
Inventor
Shoichi Shinozuka
Kazuo Iwata
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 JP55187117A priority Critical patent/JPS57109871A/en
Publication of JPS57109871A publication Critical patent/JPS57109871A/en
Publication of JPS64431B2 publication Critical patent/JPS64431B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To provide a water-based ink having specific pH value and extremely excellent water resistance, and resistant to the dissolution of the dye even by immersing in water after writing, by compounding a specific coloring material having sulfonanilide structure, a water-soluble organic solvent, and water.
CONSTITUTION: The objective ink is prepared by mixing (A) a coloring material having sulfonailide structure of formula (Pc is metal-containing phthalocyanine residue; a is 2W4; b is 0W2; a+b is ≤4; x is Na or K), (B) a water-soluble organic solvent (e.g. ethylene glycol) and (C) water, and adjusting the pH of the mixture at ≥10 with a strong base such as sodium hydroxide. The amounts of the components (A)W(C) are pref. 0.5W20wt%, 5W50wt% and 50W95wt% of the ink, respectively. The component (A) is, e.g. copper phthalocyanine sulfonic acid anilide derivative, nickel phthalocyanine sulfonic acid anilide derivative, etc.
COPYRIGHT: (C)1982,JPO&Japio
JP55187117A 1980-12-26 1980-12-26 Water-based ink Granted JPS57109871A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55187117A JPS57109871A (en) 1980-12-26 1980-12-26 Water-based ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55187117A JPS57109871A (en) 1980-12-26 1980-12-26 Water-based ink

Publications (2)

Publication Number Publication Date
JPS57109871A true JPS57109871A (en) 1982-07-08
JPS64431B2 JPS64431B2 (en) 1989-01-06

Family

ID=16200398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55187117A Granted JPS57109871A (en) 1980-12-26 1980-12-26 Water-based ink

Country Status (1)

Country Link
JP (1) JPS57109871A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597793A (en) * 1982-03-05 1986-07-01 Sicpa Holding S.A. Desensitizing ink for wet offset printing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597793A (en) * 1982-03-05 1986-07-01 Sicpa Holding S.A. Desensitizing ink for wet offset printing

Also Published As

Publication number Publication date
JPS64431B2 (en) 1989-01-06

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