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Patent Searching and Data


Title:
RELEASE FILM AND METHOD FOR MANUFACTURING RELEASE FILM
Document Type and Number:
WIPO Patent Application WO/2021/075071
Kind Code:
A1
Abstract:
An objective of the present invention is to provide a release film having static-diffusing properties. The present invention provides a release film that comprises a base layer formed from a polyester resin, and a surface layer formed from a tetrafluoroethylene resin containing an electrically conductive filler; and has a surface resistivity Rs of 1×1011Ω or less. Preferably, the electrically conductive filler contains carbon black, and the tetrafluoroethylene resin further contains particles having an average particle size of 1 μm to 15 μm as measured via laser diffraction particle size analysis.

Inventors:
SAKAI KEISUKE (JP)
TANAKA NANAE (JP)
Application Number:
PCT/JP2020/009726
Publication Date:
April 22, 2021
Filing Date:
March 06, 2020
Export Citation:
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Assignee:
KOBAYASHI & CO LTD (JP)
International Classes:
B29C33/68; B32B27/18; B32B27/30; H01L21/56; B32B27/00; B32B27/36
Attorney, Agent or Firm:
INOUE Miwako (JP)
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