Recording liquid

Details Recording liquid Recording liquid

1996-09-05

1998-04-14

Bonner, Melissa

Compositions: coating or plastic

Coating or plastic compositions

Marking

106477, 106476, 106472, C09D 1102

Patent

active

057387141

ABSTRACT:
Disclosed is a recording liquid comprising a carbon black dispersed in an aqueous medium, which is characterized in that a toluene extract of the carbon black has an absorbance of 0.05 or less at .lambda.max within the range of from 330 nm to 340 nm or at 337.5 nm when the toluene extract does not have .lambda.max within the range of from 330 nm to 340 nm. The recording liquid can be used in ink-jet recording in high safety. During and after long storage of the recording liquid, the carbon black does not precipitate out. Using the recording liquid, reliable recording can be attained with good jettable durability of the liquid. Even when the recording liquid is recorded onto ordinary papers, high-quality images with good water-fastness and good light-fastness can be formed. The recording liquid is especially suitable for thermal ink-jet recording systems.

REFERENCES:
patent: 5026427 (1991-06-01), Mitchell et al.
patent: 5172133 (1992-12-01), Suga et al.
patent: 5184148 (1993-02-01), Suga et al.
patent: 5190582 (1993-03-01), Shinozuka et al.
patent: 5542969 (1996-08-01), Hirasa et al.

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