Title:
CRYOGENIC SEALING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/216284
Kind Code:
A1
Abstract:
Provided is a sealing material having more excellent sealing performance in a cryogenic environment. This cryogenic sealing material is characterized by being composed of a copolymer having: a tetrafluoroethylene-based polymerization unit; and a perfluoro(alkyl vinyl ether)-based polymerization unit, wherein the copolymer has the perfluoro(alkyl vinyl ether)-based polymerization unit in an amount of 3.0-7.0 mass% with respect to the total polymerized units.
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Inventors:
IMAMURA HITOSHI (JP)
KONDO MASAHIRO (JP)
KONDO MASAHIRO (JP)
Application Number:
PCT/JP2018/006735
Publication Date:
November 29, 2018
Filing Date:
February 23, 2018
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C09K3/10; C08F214/26; C08F216/14; C08J3/28
Foreign References:
| JP2009513784A | 2009-04-02 | |||
| JP2014028951A | 2014-02-13 | |||
| JP2015147924A | 2015-08-20 | |||
| JP2011168630A | 2011-09-01 | |||
| JP2006274063A | 2006-10-12 | |||
| JP2003119455A | 2003-04-23 | |||
| JPH05346174A | 1993-12-27 |
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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