Ultrafine particle organic pigment color ink and method for prod

Compositions: coating or plastic – Coating or plastic compositions – Marking

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106 3189, C09D 1102

Patent

active

059448830

ABSTRACT:
Disclosed is an ultrafine particle organic pigment color ink which comprises an ultrafine particle organic pigment having a chromatic color, an amphi-philic compound of which the hydrophilic portion is polyethylene oxide and the hydrophobic portion is an alkyl group and/or an aromatic ring and an aqueous solvent. A method for producing the ink is also disclosed. The ink is excellent in storage stability, causes no clogging of head and, furthermore, is excellent in quality of the resulting print and light resistance.

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patent: 4509982 (1985-04-01), Iijima
patent: 4853036 (1989-08-01), Koike et al.
patent: 5067980 (1991-11-01), Koike et al.
patent: 5395434 (1995-03-01), Tochihara et al.
patent: 5529617 (1996-06-01), Yamashita et al.

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