Oxidative polymerization type intaglio ink
JP2026097087APending Publication Date: 2026-06-16NATIONAL PRINTING BUREAU
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- NATIONAL PRINTING BUREAU
- Filing Date
- 2024-12-04
- Publication Date
- 2026-06-16
AI Technical Summary
Benefits of technology
【0012】 本発明は、酸化重合型凹版インキにセルロースナノファイバーを含有させることによって、同様の植物成分である植物油又は変性植物油との間に相互作用が強く働くことから、少量の添加量でチキソトロピー性が発現する。したがって、本発明の酸化重合型凹版インキは、高せん断力下では見かけの粘度は低く、印刷時の低せん断力下では見かけの粘度は高くなることによって、インキの滲みが抑えられ画線品質が向上することができる。
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Abstract
The present invention provides an oxidation polymerization type intaglio ink that exhibits low apparent viscosity under high shear force and high apparent viscosity under low shear force during printing, thereby preventing ink bleeding during printing and providing good image quality. [Solution] The present invention is an oxidative polymerization type intaglio ink characterized by comprising at least one oxidative curing varnish of vegetable oil or modified vegetable oil, at least one wax from mineral wax, coal wax and vegetable wax, a pigment, a drying agent and cellulose nanofibers.
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Claims
1. An oxidative polymerization type intaglio ink characterized by comprising at least one oxidative curing varnish of vegetable oil or modified vegetable oil, at least one wax of mineral wax, coal wax or vegetable wax, a pigment, a drying agent, and cellulose nanofibers.
2. A printed article having a pattern formed by an oxidative polymerization type intaglio ink according to claim 1 on a substrate.