Japan, Sept. 18 -- DAINICHISEIKA COLOR & CHEM MFG CO LTD has got intellectual property rights for 'AQUEOUS INK FOR INKJET RECORDING.' Other related details are as follows:

Application Number: JP,2023-156370

Category (FI): B41J2/01,501,C09D11/322,B41M5/00,120

Stage: PROBLEM TO BE SOLVED: To provide aqueous ink for inkjet recording that enables recording of an image of a printing film excellent in adhesion and durability such as friction resistance to a printing base material such as a polyolefin-based plastic film, and to which an environment consideration type technique is applied.SOLUTION: Aqueous ink for inkjet recording contains water, a water-soluble organic solvent, a pigment, a surface active agent, a wax, a polyurethane resin, and an acrylic polymer, wherein the polyurethane resin is a polyhydroxy polyurethane resin having a constitutional unit derived from a five-membered cyclic carbonate compound which is a reaction product of a diepoxy compound and carbon dioxide, and a constitutional unit derived from a diamine compound, the acrylic polymer is an A-B block copolymer having an A chain and a B chain, and a content of the polyhydroxy polyurethane resin with respect to 100 pts.mass of the A-B block copolymer is 1 to 100 pts.mass.SELECTED DRAWING: None (Grant)

Filing Date: Sept. 21, 2023

Publication Date: April 3, 2025

The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100

Disclaimer: Curated by HT Syndication.