Title:
ANNULAR LAMINATE, SEAL MATERIAL, AND MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/149419
Kind Code:
A1
Abstract:
The present invention relates to an annular laminate including a substrate and a rubber coating film layered in contact with the substrate, the rubber coating film including a crosslinked product of a composition including a crosslinkable perfluroelastomer (FFKM), a crosslinking agent including at least one compound represented by general formulas (1) through (3), and a solvent, and the thickness of the rubber coating film being 1-500 µm. The present invention provides an annular laminate and a method for manufacturing the same, the annular laminate having good sealing properties even with low crushing pressure, and being usable as a seal material that exhibits high radical resistance at high temperature.
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Inventors:
OTSUKA MIKI (JP)
NOGUCHI MASAMUNE (JP)
OSUMI NAOKI (JP)
NOGUCHI MASAMUNE (JP)
OSUMI NAOKI (JP)
Application Number:
PCT/JP2023/003016
Publication Date:
August 10, 2023
Filing Date:
January 31, 2023
Export Citation:
Assignee:
VALQUA LTD (JP)
International Classes:
B32B25/04; B32B1/00; C09K3/10; F16J15/00; F16J15/12
Domestic Patent References:
| WO2005049746A1 | 2005-06-02 | |||
| WO2021210502A1 | 2021-10-21 | |||
| WO2013108779A1 | 2013-07-25 |
Foreign References:
| JP2008296549A | 2008-12-11 | |||
| JP2019521232A | 2019-07-25 | |||
| JP2005272674A | 2005-10-06 | |||
| JP2015124346A | 2015-07-06 | |||
| JP2002363474A | 2002-12-18 | |||
| JPH11201289A | 1999-07-27 | |||
| JPH1052885A | 1998-02-24 | |||
| JPH10329271A | 1998-12-15 | |||
| JP2012223888A | 2012-11-15 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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