Title:
FILM, FILM WITH RELEASE FILM, DIAPHRAGM, LAMINATE, MOLDED PRODUCT AND ACOUSTIC TRANSDUCER
Document Type and Number:
Japanese Patent JP2023023668
Kind Code:
A
Abstract:
To provide a film that can prevent delamination of multilayer films when the release film is peeled off before molding, while maintaining high shape retention before molding, and high formability and mold-following property during molding.SOLUTION: A film of the present invention is a film which has a curable silicone layer (A) with another silicone layer (B) on at least one side and the following (a) viscoelastic properties, and in which the arithmetic mean height (Sa) of at least one side between the layers of the silicone layer (A) and the silicone layer (B) is 500 to 4000 nm. (a) The storage modulus E'(10 Hz) at a measurement temperature of 20°C and a frequency of 10 Hz is 0.1 MPa to 500 MPa.SELECTED DRAWING: None
Inventors:
HAYAKAWA YUKO
OSAKI YOSHIFUMI
OSAKI YOSHIFUMI
Application Number:
JP2021129391A
Publication Date:
February 16, 2023
Filing Date:
August 05, 2021
Export Citation:
Assignee:
MITSUBISHI CHEM CORP
International Classes:
H04R7/02; B32B7/04; B32B27/00; H04R31/00
Attorney, Agent or Firm:
Masahiro Taguchi
Shigeo Torayama
Kenichi Hirasawa
Shigeo Torayama
Kenichi Hirasawa