water based ink

Abstract

Abstract PURPOSE:To provide a water-based ink containing a specific water-soluble dye, having excellent clarity of the recorded image, dryability, water-resistance, light- resistance, storage stability, jet stability and jet response, and suitable for inkjet recording, full-color printer, etc. CONSTITUTION:The objective ink contains the water-soluble dye of formula I [X is CH2, -CO-, -O-, -S-, or -SO2-; R1 and R2 are H, OH, alkyl, alkoxy, halogen, cyano, COOH or SO3H; l and m are 0-3; Z is H, alkyl, acetyl, (substituted) benzoyl, benzenesulfonyl or (substituted) 1,3,5-triazine ring; M is H, Li, Na, K or organic amine group; n is 1-3] (e.g. the compound of formula II).

Inventors

• 👤 Tamotsu Ariga
• 👤 保 有賀
• 👤 Toshiyuki Kawanishi
• 👤 川西　敏之
• 👤 Masaru Shimada
• 👤 勝 島田
• 👤 Kakuji Murakami
• 👤 格二 村上
• 👤 Hiroyuki Kamimura
• 👤 上村　浩之

Bibliographic Details