公开(公告)号：US20210023757A1

公开(公告)日：2021-01-28

申请号：US17070999

申请日：2020-10-15

Applicant: AGC Inc.

Inventor： Yoshiaki HIGUCHI ,  Shintaro FUKUNAGA ,  Takatoshi YAOITA

IPC: B29C48/08 ,  B29C48/88 ,  B32B27/08 ,  B32B27/30

Abstract: To provide a process for producing a film excellent in water vapor barrier property, tensile elongations and transparency.
A resin material containing polychlorotrifluoroethylene (PCTFE) is melted and extruded into a film from an extrusion die, the extruded product is brought into contact with a cooling roll having a surface temperature of at most 120° C. in a state such that the surface temperature of the extruded product is higher than the crystallization temperature of PCTFE to form a film web, and the film web is subjected to heat treatment at from 80 to 200° C. to obtain a film.

公开(公告)号：US20230065010A1

公开(公告)日：2023-03-02

申请号：US18047721

申请日：2022-10-19

Applicant: AGC INC.

Inventor： Hiroshi ARUGA ,  Yoshiaki HIGUCHI ,  Yuya HORIGUCHI ,  Junetsu NAKAMURA

IPC: B29C48/88 ,  B29C48/00 ,  B29C48/08 ,  C08J5/18 ,  C08F214/24

Abstract: A film includes a copolymer having a tetrafluoroethylene-based unit and an ethylene-based unit, in which the film has a haze of from 1.2% to 8.0%, an ultraviolet reflectance of less than 17.0%, and a thickness of from 250 to 400 μm.