Title:
FLUORINE-CONTAINING COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2022/181833
Kind Code:
A1
Abstract:
Provided is a fluorine-containing copolymer comprising tetrafluoroethylene units, hexafluoropropylene units and fluoro(alkyl vinyl ether) units, wherein the fluorine-containing copolymer has a hexafluoropropylene unit content of 7.5-10.3% by mass relative to the total monomer units, has a fluoro(alkyl vinyl ether) unit content of 0.8-2.9% by mass relative to the total monomer units, has a melt flow rate at 372°C of 0.7-9.5 g/10 min, and has no more than 90 functional groups per 106 carbon atoms in the main chain.
Inventors:
ISAKA TADAHARU (JP)
YAMAMOTO YUKARI (JP)
ZENKE YUMI (JP)
YAMAMOTO YUKARI (JP)
ZENKE YUMI (JP)
Application Number:
PCT/JP2022/008449
Publication Date:
September 01, 2022
Filing Date:
February 28, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F8/00; C08F214/26; C08J7/12; H01B7/02
Domestic Patent References:
| WO2019159652A1 | 2019-08-22 | |||
| WO2008047906A1 | 2008-04-24 | |||
| WO2001040332A1 | 2001-06-07 |
Foreign References:
| JP2017503052A | 2017-01-26 | |||
| JPS52109588A | 1977-09-13 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
Download PDF: