Water base ink for ink-jet recording

Details Water base ink for ink-jet recording Water base ink for ink-jet recording

2006-03-21

2006-03-21

Group, Karl (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031580, C106S031590, C106S031750, C106S031860, C106S031890, C347S100000

Reexamination Certificate

active

07014695

ABSTRACT:
A water base ink for ink-jet recording contains a surfactant represented by the following formula (1) or (2), dipropylene glycol, a coloring agent, and water:CH3—(CH2)11—O—(CH2CH2O)z—H(2)In the formula (1), R represents alkyl group, and x and y represent integers which satisfy x+y=5 to 15. In the formula (2), z represents an integer of not more than 9. The performance of initial introduction into a recording head is satisfactory, and it is possible to simultaneously reduce the feathering and the color bleed even when the recording is performed on regular paper.

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