AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENT, AQUEOUS INK PRODUCT AND WRITING INSTRUMENT USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an aqueous ink composition for writing instrument capable of suppressing generation of debris such as a deposition or an aggregate arising from propagating organism and generation of various debris such as a deposition derived from metal ions and excellent in safety and storage stability.;SOLUTION: Sodium omadine and 2-(n-octyl)-4-isothiazoline-3-one are added to an ink composition as an antibacterial material.;SELECTED DRAWING: None;COPYRIGHT: (C)2018,JPO&INPIT