JPS5770166A - Ink jet recording ink - Google Patents

Ink jet recording ink

Info

Publication number
JPS5770166A
JPS5770166A JP14427180A JP14427180A JPS5770166A JP S5770166 A JPS5770166 A JP S5770166A JP 14427180 A JP14427180 A JP 14427180A JP 14427180 A JP14427180 A JP 14427180A JP S5770166 A JPS5770166 A JP S5770166A
Authority
JP
Japan
Prior art keywords
dye
solvent
ink
group
water
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
JP14427180A
Other languages
Japanese (ja)
Inventor
Tadashi Fujii
Takeo Kazami
Tomoyuki Yamaguchi
Tomiko Kawakami
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 JP14427180A priority Critical patent/JPS5770166A/en
Publication of JPS5770166A publication Critical patent/JPS5770166A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: A recording ink with good recordability, jetting stability and jetting response, and excellent resistance to light, water and wear, giving an image with high contrast and clarity, which is prepd. by incorporating a specified dye having a sulfone group in a solvent.
CONSTITUTION: A dye of formulaI(wherein A and B are phenyl or naphthyl; D and E are each a P-phenylene group or 1,4-naphthylene group; X is -CH2-, -O-, -S-, -CONH-, -NHCONH-, a group of formula II or III; R1, R2, R3 and R4 are each H, hydroxyl, amino, sulfone or a salt therefrom) having 2W8 sulfone groups in one molecule, is dissolved in a solvent. The dye of the formulaIis, e.g., a dye of formula IV, V, etc. The solvent is primarily composed of water, to which an org. water-soluble solvent may be added. An agent for adjusting viscosity, surface tension, specific resistance, pH, etc. may be incorporated in order to adjust physical properties of the ink.
COPYRIGHT: (C)1982,JPO&Japio
JP14427180A 1980-10-17 1980-10-17 Ink jet recording ink Pending JPS5770166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14427180A JPS5770166A (en) 1980-10-17 1980-10-17 Ink jet recording ink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14427180A JPS5770166A (en) 1980-10-17 1980-10-17 Ink jet recording ink

Publications (1)

Publication Number Publication Date
JPS5770166A true JPS5770166A (en) 1982-04-30

Family

ID=15358200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14427180A Pending JPS5770166A (en) 1980-10-17 1980-10-17 Ink jet recording ink

Country Status (1)

Country Link
JP (1) JPS5770166A (en)

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