[EN] HYDROGEL SYSTEM, PREPARATION METHOD THEREFOR AND USE THEREOF<br/>[FR] SYSTÈME D'HYDROGEL, SON PROCÉDÉ DE PRÉPARATION ET UTILISATION ASSOCIÉE<br/>[ZH] 一种水凝胶体系及其制备方法和用途
申请人:SHANGHAI QISHENG BIOLOGICAL PREPARATION CO LTD
The present disclosure is drawn to non-aqueous ink compositions. The non-aqueous ink compositions can include from 70 wt % to 98 wt % alcohol solvent, from 1 wt % to 6 wt % phenol-formaldehyde resin having a softening point from 135° C. to 180° C., and from 1 wt % to 14 wt % organic solvent-soluble dye.