Recording ink composition and recording method using the same

Details Recording ink composition and recording method using the same Recording ink composition and recording method using the same

1997-07-24

1999-03-16

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3158, 106 3178, 106 3186, 106 3187, 106411, C04D 1102

Patent

active

058823905

ABSTRACT:
A recording ink composition contains a colorant which is soluble or dispersible in water and includes at least one phthalocyanine compound of formula (1) which may have a halogen atom as a substituent and at least one of phthalocyanine compounds of formulas (2) and (3); a dispersant which includes at least one polymeric compound having a hydrophilic moiety and a hydrophobic moiety, and/or at least one surfactant having an alkyl group having 5 or more carbon atoms; water; and a humectant. In addition, images with a resolution of 10 dots/mm.times.10 dots/mm or more can be recorded on an image receiving medium by ejecting the above-mentioned recording ink composition in the form of droplets by the application of thermal or mechanical energy thereto onto an image receiving medium with a Stockigt size degree of 3 seconds or more, with the recording ink composition being deposited in an amount of 20 pl/mm.sup.2 to 200 pl/mm.sup.2 on the image receiving medium.

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patent: 5472490 (1995-12-01), Sawamura et al.
patent: 5514208 (1996-05-01), Nagai et al.

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