INK AND PRINTING METHOD

• Main Authors: NAKAGAWA TOMOHIRO, HAGIWARA HIRONORI, NONAKA YUTARO, UMEMURA KAZUHIKO
• Format: Patent
• Language: English; Japanese
• Published: 17.12.2020
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COLOUR PRINTING; CORRECTING FLUIDS; CORRECTION OF TYPOGRAPHICAL ERRORS; DYES; FILLING PASTES; i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; INKS; LINING MACHINES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; SELECTIVE PRINTING MECHANISMS; STAMPS; TRANSPORTING; TYPEWRITERS; USE OF MATERIALS THEREFOR; WOODSTAINS

To provide an ink containing Pigment Red 269 (PR269) having sufficient storage stability in spite of alkylene glycol alkyl ether added thereto.SOLUTION: An ink at least contains water, a compound represented by the structural formula in the figure, PR269, and alkylene glycol alkyl ether, where the content of the compound is 2 mass% or less based on the mass of the PR269.SELECTED DRAWING: Figure 1 【課題】アルキレングリコールアルキルエーテルを添加しても十分な貯蔵安定性を示すピグメントレッド２６９（PR269）を含むインクを提供する。【解決手段】少なくとも、水、下記構造式で表される化合物、PR269およびアルキレングリコールアルキルエーテルを含み、該化合物の含有量が、PR269に対して２質量％以下であるインク。【化１】【選択図】図１