Title:
RESIN SHEET
Document Type and Number:
WIPO Patent Application WO/2021/070627
Kind Code:
A1
Abstract:
A resin sheet according to the present invention comprises a heat-resistant resin as a chief ingredient, exhibits no air permeability in the thickness direction thereof, and has a surface-directional air permeability A of 1 mL/min. or more at least in one main surface. When a ring-shaped measurement area having an outer diameter of 47 mm and an inner diameter of 20 mm is set up on a main surface, when the sheet is pressed against a smooth surface of a member having no air permeability in the thickness direction thereof with a load of 654.5 gf so as to cause the entire measurement area of the main surface to come into contact with said smooth surface, and when the pressure on the inner side of the measurement area is set lower by 15 kPa than that of the outer side thereof; the air permeability A is a property represented by the per-minute amount of permeating air passing between the main surface and the smooth surface from the outside to the inside of the measurement area. The resin sheet according to the present invention enables stable use thereof at high temperature.
Inventors:
MURAKI YUUZOU (JP)
AKIBA KURATO (JP)
YOSHIMATSU KIMIHIKO (JP)
AKIBA KURATO (JP)
YOSHIMATSU KIMIHIKO (JP)
Application Number:
PCT/JP2020/036129
Publication Date:
April 15, 2021
Filing Date:
September 24, 2020
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C08J5/18
Foreign References:
| JP2010238714A | 2010-10-21 | |||
| JP2006182842A | 2006-07-13 | |||
| JP2008001793A | 2008-01-10 | |||
| JP2014151410A | 2014-08-25 | |||
| JP2015059052A | 2015-03-30 |
Attorney, Agent or Firm:
KAMADA Koichi (JP)
Download PDF:
Previous Patent: GAS PASSAGE CONNECTION TOOL AND EXTRUSION DEVICE EQUIPPED THEREWITH
Next Patent: FLUORINE RESIN SHEET AND ADHESIVE TAPE
Next Patent: FLUORINE RESIN SHEET AND ADHESIVE TAPE