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US 6,884,287 B2Granted
Ink base for pigmented inks, inks manufactured therefrom and their use
AssigneeJ.S. Staedtler GmbH & Co. KG
InventorsAnke Müller, Manuela Geis, Stefan Engel
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Abstract
An ink base for producing pigmented inks having a water base contains a drying retarder and a pH adjusting agent. The drying retarder contains at least diethylene glycol, 1,6-hexane diol, and pentaerythritol. The pH adjusting agent (PH) contains at least one amine. The ink base contains at least 30.0-95.5% by wt. diethylene glycol; 3.0-40.0% by wt. 1,6-hexane diol; 0.01-3.0% by wt. pentaerythritol; and 1.5-15.0% by wt. amine(s).
Claims10
An ink base for producing pigmented inks having a water base, the ink base comprising:
- a drying retarder and a pH adjusting agent;
- wherein the drying retarder comprises at least diethylene glycol (DR1), 1,6-hexane diol (DR2), and pentaerythritol (DR3);
- wherein the pH adjusting agent (PH) comprises at least one amine;
- wherein the ink base comprises at least
- diethylene glycol (DR1)
- 30.0-95.5%
- by wt.
- 1,6-hexane diol (DR2)
- 3.0-40.0%
- by wt.
- pentaerythritol (DR3)
- 0.01-3.0%
- by wt. and
- amine (PH)
- 1.5-15.0%
- by wt.
13 more elements
Dependencies are inferred from the claim text.