Title:
AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENT, AND WRITING INSTRUMENT USING THE SAME
Document Type and Number:
Japanese Patent JP2021102761
Kind Code:
A
Abstract:
To provide an aqueous ink composition for writing instrument which stabilizes metal pigment dispersibility, suppresses precipitation of a metal pigment, is free from density of handwriting, is excellent in color tone of handwriting, and suppresses writing blur, and a writing instrument using the same.SOLUTION: An aqueous ink composition for writing instrument contains water, a solvent, a metal pigment and a polyamide-based resin, in which ink viscosity of the aqueous ink composition for writing instrument is 100 (mPa s) or less under 20°C environment at a shear rate of 38.4(sec-1).SELECTED DRAWING: None
Inventors:
ONO TAKASHI
Application Number:
JP2020211016A
Publication Date:
July 15, 2021
Filing Date:
December 21, 2020
Export Citation:
Assignee:
PILOT CORP
International Classes:
C09D11/17; B43K7/00; B43K8/00; B43K8/02