| 简介 |
PROBLEM TO BE SOLVED : To prepare a re-peelable adhesive film having an excellent adhesive property to a material to be adhered, without having the occurrence of floating/peeling off of the adhered film and without soiling the material to be adhered with the adhesive on peeling off.
SOLUTION : This re-peelable adhesive film having an adhesive layer on one side surface of a film-shaped substrate is provided by having 0.2-5.0 N/25 mm 180° peeling adhesive force against a PMMA (polymethyl methacrylate) plate under a condition of 5 mm/min peeling speed, ≤50 mm peeled length after 30 min in a constant load-peeling measurement method, and 1.4-0.7 ratio of P1 to P2 (P1/P2) by taking an adhesive force on peeling at 1 m/min peeling speed and 180° peeling angle by pasting the adhesive film on the PMMA plate and after leaving for 1 hr at a normal temperature as P1 and an adhesive force on peeling at 1 m/min peeling speed and 180° peeling angle after leaving for 24 hr at 60°C as P2. |
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