Invention Publication
US20230143432A1 LAMINATE
审中-公开
- Patent Title: LAMINATE
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Application No.: US17915919Application Date: 2021-03-23
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Publication No.: US20230143432A1Publication Date: 2023-05-11
- Inventor: Naotaka NISHIO , Takema NAKAZAWA , Masaya KASAI
- Applicant: DAICEL CORPORATION , DAIKIN INDUSTRIES, LTD.
- Applicant Address: JP Osaka-shi, Osaka
- Assignee: DAICEL CORPORATION,DAIKIN INDUSTRIES, LTD.
- Current Assignee: DAICEL CORPORATION,DAIKIN INDUSTRIES, LTD.
- Current Assignee Address: JP Osaka-shi, Osaka; JP Osaka-shi, Osaka
- Priority: JP 20061736 2020.03.31
- International Application: PCT/JP2021/011918 2021.03.23
- Date entered country: 2022-09-29
- Main IPC: C08F220/12
- IPC: C08F220/12

Abstract:
Provided is a laminate having low air permeability and excellent moisture permeability in a low temperature and low humidity environment. The laminate is provided with a porous substrate and a moisture-permeable membrane disposed on one side of the porous substrate, the laminate having an air resistance of 3000 seconds/100 cc or greater based on the Gurley method according to JIS P8117-2009 and a first moisture permeability of 300 g/(m2·24 h) or greater based on a moisture permeability testing method (the cup method) according to JIS Z0208-1976 under the conditions of a temperature of 5° C., a relative humidity of 45%, and a wind speed of 0.2 m/s or less.
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