PRESSURE-SENSITIVE ADHESIVE SHEET
卷宗概要
发明人
Mizuho CHIBA; Taiki KITAGAWA; Kakeru TSUJITA
IPC 分类
CPC 分类
Provided is a pressure-sensitive adhesive sheet that can be suppressed from being increased in peel strength even when an aqueous pressure-sensitive adhesive composition is used. The pressure-sensitive adhesive sheet includes: a base material; and a pressure-sensitive adhesive layer formed of a water-dispersed pressure-sensitive adhesive composition containing a water-dispersed polymer. A surface concentration of a carboxyl group in a surface of the pressure-sensitive adhesive layer obtained by an X-ray photoelectron spectroscopy (ESCA) gas-phase chemical modification method is equal to or less than a detection limit.
原文（中文）
Provided is a pressure-sensitive adhesive sheet that can be suppressed from being increased in peel strength even when an aqueous pressure-sensitive adhesive composition is used. The pressure-sensitive adhesive sheet includes: a base material; and a pressure-sensitive adhesive layer formed of a water-dispersed pressure-sensitive adhesive composition containing a water-dispersed polymer. A surface concentration of a carboxyl group in a surface of the pressure-sensitive adhesive layer obtained by an X-ray photoelectron spectroscopy (ESCA) gas-phase chemical modification method is equal to or less than a detection limit.