Title:
LAYERED POLY(ETHYLENE TEREPHTHALATE) FILM, RELEASE FILM, AND METHOD FOR PRODUCING LAYERED POLY(ETHYLENE TEREPHTHALATE) FILM
Document Type and Number:
WIPO Patent Application WO/2024/004832
Kind Code:
A1
Abstract:
This layered poly(ethylene terephthalate) film includes a surface layer A and a surface layer B and contains one or more components selected from among Si, Ti, and Ba components, the total content of Si element, Ti element, and Ba element being 0.1-5,000 ppm per 100 parts by mass of the layered poly(ethylene terephthalate) film. The surface layer A is a layer on which a functional layer is to be disposed. The surface layer A has a three-dimensional center-plane average surface roughness (SRa) of 1-7 nm. The surface layer A has a maximum peak height (SRp) of 200 nm or less.
Inventors:
ZUSHI TAICHI (JP)
NISHIO SHOTARO (JP)
SHIMIZU AKIRA (JP)
NISHIO SHOTARO (JP)
SHIMIZU AKIRA (JP)
Application Number:
PCT/JP2023/023213
Publication Date:
January 04, 2024
Filing Date:
June 22, 2023
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B27/00; B32B7/06; B32B27/20; B32B27/36
Domestic Patent References:
| WO2021261412A1 | 2021-12-30 |
Foreign References:
| JP2021160240A | 2021-10-11 | |||
| JP2016187963A | 2016-11-04 | |||
| JP2006027097A | 2006-02-02 | |||
| JP2007062179A | 2007-03-15 | |||
| JP2014133373A | 2014-07-24 | |||
| JP2021091223A | 2021-06-17 | |||
| JP2022031701A | 2022-02-22 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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