Title:
SURFACE PROTECTIVE FILM
Document Type and Number:
Japanese Patent JP2021014593
Kind Code:
A
Abstract:
To provide a surface protective film in which the step on the coating film surface after peeling and removing can be suppressed even when the surface protective film is attached with air entrained.SOLUTION: In a surface protective film including a substrate layer and an adhesive layer provided on one surface of the substrate layer, the tensile elastic modulus at 23°C measured in accordance with JIS K 7161 of the adhesive layer is set in the range of 1.0 to 3.5 MPa, and the tensile elastic modulus at 80°C is set in the range of 0.6 to 2.0 MPa.SELECTED DRAWING: Figure 1
Inventors:
ENDO TAKASHI
Application Number:
JP2020186147A
Publication Date:
February 12, 2021
Filing Date:
November 06, 2020
Export Citation:
Assignee:
SUN A KAKEN CO LTD
International Classes:
C09J7/38; B32B27/00; C09J11/06; C09J153/02; C09J201/00
Domestic Patent References:
| JP2012111793A | 2012-06-14 | |||
| JP2011102400A | 2011-05-26 | |||
| JPH06172726A | 1994-06-21 |
Foreign References:
| WO2009113153A1 | 2009-09-17 |
Attorney, Agent or Firm:
Yukitaka Nakamura
Satoru Asakura
Hiroshi Sorimachi
Satoru Asakura
Hiroshi Sorimachi