JPS5611973A - Ink composition for ink jet recording - Google Patents
Ink composition for ink jet recordingInfo
- Publication number
- JPS5611973A JPS5611973A JP8742979A JP8742979A JPS5611973A JP S5611973 A JPS5611973 A JP S5611973A JP 8742979 A JP8742979 A JP 8742979A JP 8742979 A JP8742979 A JP 8742979A JP S5611973 A JPS5611973 A JP S5611973A
- Authority
- JP
- Japan
- Prior art keywords
- direct black
- direct
- water
- composition
- ink
- 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
Links
Landscapes
- Paints Or Removers (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
PURPOSE: The titled ink composition, having improved dye solubility without clogging a nozzle even after a long period of down-time, and comprising a specific component which is a nonvolatile and wetting liquid as a water absorbing agent, p- toluenesulfonic acid and a specific water-soluble direct dye.
CONSTITUTION: A composition comprising (A) one or more water-soluble direct dyes selected from Direct Black 2 (C.I. No.22590), Direct Black 4 (C.I. No. 30245), Direct Black 19 (C.I. No.35255), Direct Black 38 (C.I. No.305235) and Direct Black 154, (B) an aliphatic polyhydric alcohol (alkyl ether derivative), e.g. polyethylene glycol-200, and (C) p-toluenesulfonic acid. The amounts of (A), (B) and (C) are 1W7wt%, 5W30wt% and 0.2W7wt% respectively.
EFFECT: Improved jet stability.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8742979A JPS5611973A (en) | 1979-07-12 | 1979-07-12 | Ink composition for ink jet recording |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8742979A JPS5611973A (en) | 1979-07-12 | 1979-07-12 | Ink composition for ink jet recording |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5611973A true JPS5611973A (en) | 1981-02-05 |
JPS6155544B2 JPS6155544B2 (en) | 1986-11-28 |
Family
ID=13914617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8742979A Granted JPS5611973A (en) | 1979-07-12 | 1979-07-12 | Ink composition for ink jet recording |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5611973A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57185366A (en) * | 1981-05-08 | 1982-11-15 | Ricoh Co Ltd | Ink for ink jet recording |
DE3330379A1 (en) * | 1982-08-23 | 1984-02-23 | Ricoh Co., Ltd., Tokyo | AQUEOUS INK FOR INK JET PRINTING |
DE3438421A1 (en) * | 1983-10-19 | 1985-05-02 | Canon K.K., Tokio/Tokyo | RECORDING LIQUID |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021033688A1 (en) * | 2019-08-22 | 2021-02-25 | 日本電産株式会社 | Outer rotor-type motor |
-
1979
- 1979-07-12 JP JP8742979A patent/JPS5611973A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57185366A (en) * | 1981-05-08 | 1982-11-15 | Ricoh Co Ltd | Ink for ink jet recording |
JPH022906B2 (en) * | 1981-05-08 | 1990-01-19 | Ricoh Kk | |
DE3330379A1 (en) * | 1982-08-23 | 1984-02-23 | Ricoh Co., Ltd., Tokyo | AQUEOUS INK FOR INK JET PRINTING |
DE3330379C2 (en) * | 1982-08-23 | 1986-02-13 | Ricoh Co., Ltd., Tokio/Tokyo | Aqueous ink for ink jet printing |
DE3438421A1 (en) * | 1983-10-19 | 1985-05-02 | Canon K.K., Tokio/Tokyo | RECORDING LIQUID |
Also Published As
Publication number | Publication date |
---|---|
JPS6155544B2 (en) | 1986-11-28 |
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