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US 2020/0369879 A1Published application
Aqueous polyurethane resin dispersion
AssigneeAgfa NV
InventorsHubertus VAN AERT, Ellen BERTELS
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Abstract
An aqueous polyurethane resin dispersion includes a cationic group and a polyalkylene oxide in a side chain thereof. The polyurethane resin is obtainable by reacting a polyester polyol, a polyether diol, a polyol containing a quaternary N-atom or tertiary amino group, and a polyisocyanate. The polyester polyol is obtained by reacting an aromatic polycarboxylic acid and a polyol. The polyurethane resin is suitable as a resin in treatment liquids of substrates and images made by inkjet printing.
Claims13
1-10 (canceled)
An aqueous polyurethane resin dispersion comprising:
- a polyurethane resin including a polyalkylene oxide in a side chain thereof;
- wherein
- the polyurethane resin is obtainable by reacting a polyester polyol, a polyether diol, a polyol including a quaternary N-atom or a tertiary amino group, and a polyisocyanate;
- and
- the polyester polyol is obtained by reacting an aromatic polycarboxylic acid and a polyol.
2 more elements
Dependencies are inferred from the claim text.