COATING FILM PROTECTIVE SHEET

摘要

PROBLEM TO BE SOLVED: To provide a high-performance coating film protective sheet highly preventing a residual adhesive and excellently maintaining proper adhesiveness even if being exposed to a temperature-rising environment. SOLUTION: The coating film protective sheet is provided with a sheet-shaped base material, a primer layer formed on one side of the base material, and a polyisobutylene self-adhesive layer formed via the primer layer. The primer layer principally consists of a chlorinated polyolefin resin wherein a glass transition temperature obtained by the DSC measurement performed while elevating the temperature from -10°C to 200°C at a rate of 10°C/min is≥10°C. COPYRIGHT: (C)2010,JPO&INPIT