Title:
LAYERED PRODUCT AND COMPOSITE LAYERED PRODUCT
Document Type and Number:
WIPO Patent Application WO/2024/043117
Kind Code:
A1
Abstract:
A protective layered product comprising a first substrate layer and a first release layer disposed directly on one or each surface thereof, wherein the first substrate layer is a layer made of a resin which comprises a polymer and, when having a thickness of 100 μm, has a water vapor permeability, as measured at 40°C and 90% Rh, less than 1 g/m2/day. Also provided is a composite layered product comprising the protective layered product and a resin layer (R) disposed directly on the release-layer-side surface thereof, wherein the resin layer (R) has a weight change through 2-hour standing in a 25°C, 50% Rh environment of 0.5% or greater.
Inventors:
INOUE HIROYASU (JP)
Application Number:
PCT/JP2023/029265
Publication Date:
February 29, 2024
Filing Date:
August 10, 2023
Export Citation:
Assignee:
ZEON CORP (JP)
International Classes:
B32B27/00; B32B7/02; C08G61/08; C08J7/04
Domestic Patent References:
| WO2021261303A1 | 2021-12-30 | |||
| WO2019151142A1 | 2019-08-08 | |||
| WO2016067893A1 | 2016-05-06 | |||
| WO2018088387A1 | 2018-05-17 |
Foreign References:
| JP2010023502A | 2010-02-04 | |||
| JP2015193227A | 2015-11-05 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF: