Ink for an ink jet printer

Details Ink for an ink jet printer Ink for an ink jet printer

1987-08-13

1989-06-06

Burgess, Amelia

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 23, 106400, 106472, C09D 1102

Patent

active

048368520

ABSTRACT:
The ink is formed by a solution of a direct dye in a mixture of water and glycol wetting agents, to which a pigment which is finely ground to particles of dimensions of not more than 1000 .ANG. is added in dispersion, in a concentration of between 0.1 and 2%. The pigment particles serve to anchor the gaseous nuclei of gases which are dissolved in the ink for the purpose of stabilizing the boiling point of the ink. The ink is particularly suited to an ink jet printer of the type in which expulsion of the droplets is produced by causing instantaneous vaporization of a portion of ink in a nozzle.

REFERENCES:
patent: 4239543 (1980-12-01), Beasley
patent: 4502054 (1985-02-01), Brescia et al.
patent: 4503442 (1985-03-01), Barbero et al.
patent: 4593296 (1986-06-01), Dagna
patent: 4595937 (1986-06-01), Conta et al.
patent: 4595938 (1986-06-01), Conta et al.
Derwent Abstract Accession No. 77-40237y/23, German Patent No. DE 2647678, Jun. 2, 1977.
Derwent Abstract Accession No. 80-11946c/07, Japanese Patent No.J55002054, Jan. 9, 1980.
Derwent Abstract Accession No. 80-38722c/22, European Patent No. 11480, May 28, 1980.

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