Title:
SOUNDPROOFING MEMBER AND METHOD FOR MANUFACTURING SOUNDPROOFING MEMBER
Document Type and Number:
WIPO Patent Application WO/2021/131473
Kind Code:
A1
Abstract:
A soundproofing member that is a molded body having liquid crystal polyester as a forming material, the soundproofing member having a core layer formed as the inner layer of the molded body, and an orientation layer formed as a surface layer of the molded body, and being such that the liquid crystal polyester forming the orientation layer is oriented to a greater extent than the liquid crystal polyester forming the core layer, and the ratio of the elasticity of the core layer to the elasticity of the molded body is 0.60-0.95 (inclusive).
Inventors:
SAKAI TAIGA (JP)
Application Number:
PCT/JP2020/043955
Publication Date:
July 01, 2021
Filing Date:
November 26, 2020
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
B29C45/00; B32B7/022; B32B27/36; B60R13/08; G10K11/168
Foreign References:
| JP2017120410A | 2017-07-06 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
Download PDF: