Title:
離型フィルム
Document Type and Number:
Japanese Patent JP7006225
Kind Code:
B2
Abstract:
To provide a release film usually colorless and transparent, but can be identified only when necessary, and possible to confirm a surface to which the release film of a pressure-sensitive adhesive layer is attached even after releasing the release film from the pressure-sensitive adhesive layer.SOLUTION: There is provided a release film having a polyester film and a release layer provided on at least one surface of the polyester film, the polyester film contains 0.01 to 1.0% by weight of a brightening agent, a light transmittance of the release film at a wavelength of 380 nm is 10% or less, and a residual adhesion rate of a surface of the release layer is 70 to 90%.SELECTED DRAWING: None
Inventors:
Emi Gen
Kimihiro Izaki
Kimihiro Izaki
Application Number:
JP2017240451A
Publication Date:
January 24, 2022
Filing Date:
December 15, 2017
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
B32B27/00; B32B7/023; B32B27/18; B32B27/36; C09J7/40
Domestic Patent References:
| JP2011178002A | ||||
| JP2010017932A | ||||
| JP2013173277A | ||||
| JP2014152279A |
Attorney, Agent or Firm:
Tsuyoshi Shigeno
Takayuki Shigeno
Takayuki Shigeno
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