Invention Grant
- Patent Title: Aqueous inkjet ink and method for producing printed item
-
Application No.: US16077046Application Date: 2018-04-17
-
Publication No.: US11427723B2Publication Date: 2022-08-30
- Inventor: Yoshihito Suzuki , Atsushi Yoda , Masahiro Sugihara , Kazuhiro Jonai
- Applicant: TOYO INK SC HOLDINGS CO., LTD. , TOYOCOLOR CO., LTD.
- Applicant Address: JP Tokyo; JP Tokyo
- Assignee: TOYO INK SC HOLDINGS CO., LTD.,TOYOCOLOR CO., LTD.
- Current Assignee: TOYO INK SC HOLDINGS CO., LTD.,TOYOCOLOR CO., LTD.
- Current Assignee Address: JP Tokyo; JP Tokyo
- Agency: JCIPRNET
- Priority: JPJP2017-084301 20170421
- International Application: PCT/JP2018/015867 WO 20180417
- International Announcement: WO2018/194057 WO 20181025
- Main IPC: C09D11/322
- IPC: C09D11/322 ; B41J2/21 ; C08K5/053 ; C08L25/14 ; C08L83/04

Abstract:
One embodiment relates to an aqueous inkjet ink containing a pigment (A), a polymer compound (B), a water-soluble organic solvent (C) and a surfactant (D), wherein the water-soluble organic solvent (C) includes ethylene glycol and/or 1,3-propanediol (c1), and a water-soluble organic solvent (c2) having a specific static surface tension, the acid value of the polymer compound (B), the amount of water-soluble organic solvent having a boiling point at 1 atmosphere of 240° C. or higher, and the weight average boiling point at 1 atmosphere for the water-soluble organic solvent (C) are all prescribed values, and the blend amounts of the various components satisfy specific relationships.
Public/Granted literature
- US20210130629A1 AQUEOUS INKJET INK AND METHOD FOR PRODUCING PRINTED ITEM Public/Granted day:2021-05-06
Information query
IPC分类: