Oil-based ink composition for ink-jet recording

Details Oil-based ink composition for ink-jet recording Oil-based ink composition for ink-jet recording

2006-10-24

2006-10-24

Lorengo, J. A. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031860, C523S160000, C523S161000

Reexamination Certificate

active

07125447

ABSTRACT:
An oil-based ink composition for ink jet recording of the present invention contains a colorant and at least 50% by weight of a mixed solvent made by mixing from 0.02 to 4 parts by weight of a lactone-type solvent with 1 part by weight of polyoxyethylene glycol dialkyl ether represented by the following general formula (1):in-line-formulae description="In-line Formulae" end="lead"?R11—(OC2H4)n—OR12  General Formula (1)in-line-formulae description="In-line Formulae" end="tail"?(wherein R11, R12represent alkyl groups having from 1 to 3 carbon atoms and can be the same or different, and n is an integer from 2 to 4). The oil-based ink composition can be suitably used for printing on a polyvinyl chloride substrate and is excellent in all of print quality, printing stability, dry characteristics of printed matter, and storage stability of ink.

REFERENCES:
patent: 4255196 (1981-03-01), Emmons et al.
patent: 4610554 (1986-09-01), Suzuki et al.
patent: 6478862 (2002-11-01), Elwakil
patent: 6749675 (2004-06-01), Momose
patent: 2002/0044186 (2002-04-01), Tochihara et al.
patent: 2003/0083396 (2003-05-01), Ylitalo et al.

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