Water base ink for ink-jet recording and ink-jet printer accommodating same

Water base ink for ink-jet recording and ink-jet printer accommodating same

A water base ink for ink-jet recording contains a dispersible coloring agent, a propylene glycol ether, and a surfactant composed of a random copolymer represented by the following general formula (1): R-O-((CH 2 CH 2 O) n .(CHCH 3 CH 2 O) m )-H   (1) wherein R represents an alkyl group having a num...

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Hauptverfasser: Koga, Narumi, Fujioka, Masaya, Goto, Kazuma, Okada, Mayuko, Hoshi, Tatsunosuke, Kawai, Narumi, Higashiyama, Shunichi, Sugimoto, Junichiro, Ohira, Hideo, Aoyama, Michiko
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creator Koga, Narumi
Fujioka, Masaya
Goto, Kazuma
Okada, Mayuko
Hoshi, Tatsunosuke
Kawai, Narumi
Higashiyama, Shunichi
Sugimoto, Junichiro
Ohira, Hideo
Aoyama, Michiko
description A water base ink for ink-jet recording contains a dispersible coloring agent, a propylene glycol ether, and a surfactant composed of a random copolymer represented by the following general formula (1): R-O-((CH 2 CH 2 O) n .(CHCH 3 CH 2 O) m )-H   (1) wherein R represents an alkyl group having a number of carbon atoms of 3 to 5, and m=n=50 is satisfied in the general formula (1). The ink satisfies three requirements of i) the satisfactory initial introduction performance of the ink into an ink flow passage of a stacked type printer head, ii) the prevention of the occurrence of feathering, and iii) the prevention of the insufficient spread of the ink.
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title Water base ink for ink-jet recording and ink-jet printer accommodating same
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