Title:
SEALING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2013/115374
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a sealing material that can retain superior compression recovery properties even in harsh environments and that can maintain the airtightness and fluid-tightness of a vessel. The sealing material, which comprises a fluorine-containing polymer having a polymerization unit that is on the basis of tetrafluoroethylene and at least one type of polymerization unit that is on the basis of perfluoro(alkyl vinyl ether), is characterized by the fluorine-containing polymer having no greater than 4.0 mass% of the polymerization unit that is on the basis of perfluoro(alkyl vinyl ether) with respect to all the polymerization units, and having a melt flow rate of 0.1-100 g/10 minutes.
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Inventors:
AOYAMA TAKAHISA
KONO HIDEKI
IMAMURA HITOSHI
SAWAKI KYOUHEI
SUKEGAWA MASAMICHI
KONO HIDEKI
IMAMURA HITOSHI
SAWAKI KYOUHEI
SUKEGAWA MASAMICHI
Application Number:
PCT/JP2013/052371
Publication Date:
August 08, 2013
Filing Date:
February 01, 2013
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F214/26; H01M50/193; H01M50/198
Domestic Patent References:
| WO2006059642A1 | 2006-06-08 |
Foreign References:
| JP2005015762A | 2005-01-20 | |||
| JP2003523436A | 2003-08-05 | |||
| JP2011048976A | 2011-03-10 | |||
| JP2007217701A | 2007-08-30 | |||
| JP2002293831A | 2002-10-09 | |||
| JP2006008931A | 2006-01-12 |
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
Patent business corporation Yasutomi international patent firm (JP)
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Claims: