Title:
FLUORINE-CONTAINING COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2023/190899
Kind Code:
A1
Abstract:
The present invention provides a fluorine-containing copolymer which comprises a tetrafluoroethylene unit, a hexafluoropropylene unit and a fluoro(alkyl vinyl ether) unit, wherein: the content of the hexafluoropropylene unit is 9.7-10.3% by mass with respect to all the monomer units; the content of the fluoro(alkyl vinyl ether) unit is 0-0.3% by mass with respect to all the monomer units; the melt flow rate at 372°C is 0.80-1.30 g/10 minutes; and the total number of carbonyl group-containing end groups, -CF=CF2 and -CH2OH is 50 or less per 106 carbon atoms in the main chain.
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Inventors:
YAMAMOTO YUKARI (JP)
ISAKA TADAHARU (JP)
ZENKE YUMI (JP)
NAKATANI YASUKAZU (JP)
ISAKA TADAHARU (JP)
ZENKE YUMI (JP)
NAKATANI YASUKAZU (JP)
Application Number:
PCT/JP2023/013252
Publication Date:
October 05, 2023
Filing Date:
March 30, 2023
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F214/26; C08F8/20; C08F214/28; C08F216/14; C08J5/00; C09K3/10; H01B3/24; H01B7/02
Domestic Patent References:
| WO2001018076A1 | 2001-03-15 | |||
| WO1999046309A1 | 1999-09-16 | |||
| WO2015119053A1 | 2015-08-13 | |||
| WO2008047906A1 | 2008-04-24 | |||
| WO2008047759A1 | 2008-04-24 |
Foreign References:
| JP2017197690A | 2017-11-02 | |||
| JP2010095575A | 2010-04-30 | |||
| JP2021195436A | 2021-12-27 | |||
| JP2021158111A | 2021-10-07 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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