Aqueous pigmented inks for ink jet printers

Details Aqueous pigmented inks for ink jet printers Aqueous pigmented inks for ink jet printers

1991-06-13

1993-06-22

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C09D 1100, C09D 1110

Patent

active

052213340

ABSTRACT:
A pigmented ink for ink jet printers which comprises an aqueous carrier medium, pigment particles dispersed in an AB or BAB block copolymer having a hydrophilic segment and a segment that links to the pigment, and an effective amount of a surfactant sufficient to decrease the drying time of the ink. The A block and the B block(s) have molecular weights of at least 300. These inks give images having good print quality, water and smear resistance, lightfastness, and storage stability.

REFERENCES:
patent: 4597794 (1986-06-01), Ohta et al.
patent: 5085698 (1992-02-01), Ma et al.

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