Title:
RELEASE FILM AND METHOD FOR MANUFACTURING MOLDED PRODUCT
Document Type and Number:
WIPO Patent Application WO/2022/260003
Kind Code:
A1
Abstract:
A release film 10 according to the present invention comprises: a first release layer 1 made of a first thermoplastic resin composition; and a cushion layer 3 made of a third thermoplastic resin composition. The release film 10 has a complex shear elastic modulus of 1.00 MPa or less at 80°C. Further, it is preferable for the cushion layer 3 to have a storage elastic modulus of 9.0 MPa or more at 150°C.
Inventors:
HASHIMOTO AKINORI (JP)
Application Number:
PCT/JP2022/022780
Publication Date:
December 15, 2022
Filing Date:
June 06, 2022
Export Citation:
Assignee:
SUMITOMO BAKELITE CO (JP)
International Classes:
B32B27/00; B32B7/022; B32B7/027; B32B7/06; B32B27/32; B32B27/36; H05K3/28
Domestic Patent References:
| WO2008012940A1 | 2008-01-31 | |||
| WO2021172431A1 | 2021-09-02 |
Foreign References:
| JP2019093551A | 2019-06-20 | |||
| JP2019043135A | 2019-03-22 | |||
| JP2016002730A | 2016-01-12 | |||
| JP2016112729A | 2016-06-23 | |||
| JP2010137434A | 2010-06-24 | |||
| JP2015084352A | 2015-04-30 | |||
| US20190070826A1 | 2019-03-07 | |||
| JP6977848B1 | 2021-12-08 |
Attorney, Agent or Firm:
MASUDA, Tatsuya et al. (JP)
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