Title:
MULTILAYER BODY AND MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2024/043180
Kind Code:
A1
Abstract:
The present invention provides: a multilayer body wherein the occurrence of spring-back can be suppressed even if the multilayer body is subjected to hot forming; and a molded article. The multilayer body comprises a polycarbonate resin layer (X) which is formed of a resin composition (x) that contains a polycarbonate resin, and an acrylic resin layer (Y) which is formed of a resin composition (y) that contains an acrylic resin. With respect to the polycarbonate resin contained in the resin composition (x), the ratio Mw/Mn of the weight average molecular weight (Mw) in terms of polystyrene as determined by gel permeation chromatography to the number average molecular weight (Mn) is 2.80 to 4.40, and/or 60 to 93 parts by mass of a polycarbonate resin (x1) that have a viscosity-average molecular weight of 24,000 to 50,000 and 7 to 40 parts by mass of a polycarbonate oligomer (x2) that has a viscosity-average molecular weight of 2,000 to 10,000 are contained.
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Inventors:
YAMAGUCHI MADOKA (JP)
IZUMI RYUNOSUKE (JP)
IZUMI RYUNOSUKE (JP)
Application Number:
PCT/JP2023/029797
Publication Date:
February 29, 2024
Filing Date:
August 18, 2023
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
B32B27/36; B32B7/027; C08L33/10; C08L69/00
Domestic Patent References:
| WO2014061817A1 | 2014-04-24 |
Foreign References:
| JP2001353831A | 2001-12-25 | |||
| JP2022080270A | 2022-05-27 | |||
| JP2022080269A | 2022-05-27 |
Attorney, Agent or Firm:
SIKS & CO. (JP)
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