Title:
LAMINATED POLYESTER FILM FOR RELEASE AND RELEASE FILM
Document Type and Number:
Japanese Patent JP2023023947
Kind Code:
A
Abstract:
To provide a laminated polyester film for release that is excellent in recyclability and surface smoothness.SOLUTION: A laminated polyester film for release comprises a polyester film one side of which comprises an easily soluble resin layer, the easily soluble resin layer comprising a polyester component, the polyester component comprising, as an acid component, (A) terephthalic acid, (B) dicarboxylic acid having a sulfonate group and (C) other dicarboxylic acid, and the easily soluble resin layer surface having an arithmetic average roughness Ra1 of 30 nm or less and a maximum projection height Rp1 of 150 nm or less.SELECTED DRAWING: None
Inventors:
KURODA KIYONORI
Application Number:
JP2021129939A
Publication Date:
February 16, 2023
Filing Date:
August 06, 2021
Export Citation:
Assignee:
MITSUBISHI CHEM CORP
International Classes:
B32B27/00; B32B27/36; H01G13/00
Attorney, Agent or Firm:
Masahiro Taguchi
Shigeo Torayama
Kenichi Hirasawa
Junko Watanabe
Shigeo Torayama
Kenichi Hirasawa
Junko Watanabe