Japan, Sept. 18 -- KAO CORP has got intellectual property rights for 'AQUEOUS PIGMENT DISPERSION.' Other related details are as follows:
Application Number: JP,2022-211969
Category (FI): B41J2/01,501,B41M5/00,120,B41M5/00,112,C09D17/00,C09D11/326
Stage: PROBLEM TO BE SOLVED: To provide an aqueous pigment dispersion which is excellent in base material adhesion (resistance against tape peelability) of an ink coating film of printed matter obtained when being used for printing a resin film, and an intermittent discharge property, and aqueous ink containing the aqueous pigment dispersion.SOLUTION: There are provided [1] an aqueous pigment dispersion in which a pigment is dispersed with a crosslinked polymer A, wherein the crosslinked polymer A includes a structure derived from a water-dispersible polymer A' and a structure derived from a water-insoluble polyfunctional epoxy crosslinking agent, and the water-dispersible polymer A' is a vinyl-based resin including a structural unit derived from cycloalkyl (meth)acrylate (a-1), and [2] aqueous ink containing the aqueous pigment dispersion described in [1] and a water-soluble organic solvent.SELECTED DRAWING: None (Grant)
Filing Date: Dec. 28, 2022
Publication Date: July 10, 2024
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
