Dnp Fine Chemicals Co., Ltd.

Ryouhei Oka

Keishiro Yoshimori

Yoshiya Maegawa

Yuka Orikasa

Mitsuyoshi Tamura

Kisei Matsumoto

Mitsuteru Yamada

Karuna Iwasawa

Koujun Utaka

Keita Yoshiyuki

A nonaqueous ink composition contains organic solvents. The organic solvents include an organic solvent (a) and an organic solvent (b). Organic solvent (a): Glycol ether dialkyl. Organic solvent (b): At least one selected from the group consisting of alkylamide-based solvents (b1), cyclic amide-based solvents (b2), and lactone-based solvents (b3) each having a ring including six or more members.

Nonaqueous ink composition, and recording method and recorded matter manufacturing method using same

A non-aqueous ink composition which has superior printing performance, such as continuous discharge stability, and also has excellent storage stability and excellent coloring properties, and with which printed matter having superior durability can be obtained. A non-aqueous ink composition discharged using an inkjet method, the composition containing an organic solvent, a colorant, and a resin, where the resin contains at least one resin selected from the group consisting of acrylic resins, vinyl chloride-vinyl acetate copolymer resins, and cellulose resins, and a resin having intrinsic viscosity at 25° C. of 90 mL/g or more accounts for up to 5 mass % of the entire resin.

Non-aqueous ink composition, inkjet recording method, and method for manufacturing printed matter

Growing community of inventors

Yokohama, Japan

Ryouhei Oka