Title:
FLUORINE-CONTAINING COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2022/181837
Kind Code:
A1
Abstract:
Provided is a fluorine-containing copolymer comprising tetrafluoroethylene units, hexafluoropropylene units, and perfluoro(propyl vinyl ether) units, wherein the content of the hexafluoropropylene units is 9.5-12.2 mass% with respect to the total monomer units, the content of the perfluoro(propyl vinyl ether) units is 0.5-1.4 mass% with respect to the total monomer units, the melt flow rate at 372°C is 0.8-4.0 g/10 minutes, and the number of -CF2H is more than 50 per 106 main chain carbon atoms.
Inventors:
ISAKA TADAHARU (JP)
ZENKE YUMI (JP)
YAMAMOTO YUKARI (JP)
ZENKE YUMI (JP)
YAMAMOTO YUKARI (JP)
Application Number:
PCT/JP2022/008453
Publication Date:
September 01, 2022
Filing Date:
February 28, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F8/00; C08F214/26; C08F214/28; C08F220/24; C08J7/12; H01B7/02
Domestic Patent References:
| WO2015119053A1 | 2015-08-13 | |||
| WO2019220850A1 | 2019-11-21 |
Foreign References:
| JP2014028953A | 2014-02-13 | |||
| JP2015042740A | 2015-03-05 | |||
| JP2015147924A | 2015-08-20 | |||
| JPS52109588A | 1977-09-13 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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