Aqueous pigmented inks for ink jet printers

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

1990-04-11

1992-02-04

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C09D 1110

Patent

active

050856987

ABSTRACT:
A pigmented ink for ink jet printers which comprises an aqueous carrier medium, and pigment particles dispersed in an AB or BAB block copolymer having a hydrophilic segment and a segment that links to the pigment. 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: 4048132 (1977-09-01), Tsuchiya et al.
patent: 4059554 (1977-11-01), Pacansky
patent: 4597794 (1986-07-01), Ohta et al.
patent: 4656226 (1987-04-01), Hutchins et al.
patent: 4692188 (1987-09-01), Ober et al.
patent: 4755563 (1988-07-01), West

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