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1. (WO2018105151) INK COMPOSITION, WRITING IMPLEMENT, AND PRODUCTION METHOD FOR INK COMPOSITION

Pub. No.:    WO/2018/105151    International Application No.:    PCT/JP2017/022021
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Thu Jun 15 01:59:59 CEST 2017
IPC: C09D 11/16
B43K 7/00
B43K 8/02
Applicants: PENTEL KABUSHIKI KAISHA
ぺんてる株式会社
Inventors: ONUKI, Sachiko
大貫 幸子
YASUIKE, Kiyonori
安池 清徳
TAKAI, Haruka
▲高▼井 晴佳
SAITOU, Hiroyuki
斎藤 浩之
Title: INK COMPOSITION, WRITING IMPLEMENT, AND PRODUCTION METHOD FOR INK COMPOSITION
Abstract:
An ink composition that contains: carbon black and/or an organic pigment; water; a polysaccharide; two or more diols; and acrylic resin particles. The two or more diols include a C5–7 first diol and a C1–4 second diol. The first diol content of the ink composition is at least 0.05 weight%.