Liquid set for ink jet recording
AssigneeAgfa NV
InventorsHubertus VAN AERT, Ellen BERTELS, Marie LEHERICEY
Life of this patent
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Abstract
A liquid set for inkjet recording, includes (i) an aqueous treatment liquid including a polyurethane resin obtainable by reacting a polyester polyol, a diol containing a quaternary N-atom or tertiary amino group, and a polyisocyanate, wherein the quaternary N-atom or tertiary amino group is present in a side chain of the carbon chain linking the two hydroxyl groups of the diol, and the polyester polyol is obtained by reacting a polyol and an aromatic polycarboxylic acid; and (ii) an aqueous inkjet ink including a colorant. A method for inkjet printing includes using the liquid set.
Claims15
1-10. (canceled)
A liquid set for inkjet recording comprising:
- an aqueous treatment liquid including a polyurethane resin obtainable by reacting a polyester polyol, a diol including a quaternary N-atom or a tertiary amino group, and a polyisocyanate;
- and
- an aqueous inkjet ink including a colorant;
- wherein
- the quaternary N-atom or the tertiary amino group is present in a side chain of a carbon chain linking two hydroxyl groups of the diol;
- and
- the polyester polyol is obtained by reacting a polyol and an aromatic polycarboxylic acid.
Dependencies are inferred from the claim text.