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Title:
FLUORINE-CONTAINING COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2022/181844
Kind Code:
A1
Abstract:
Provided is a fluorine-containing copolymer that contains tetrafluoroethylene units, hexafluoropropylene units, and perfluoro(propyl vinyl ether) units, wherein the hexafluoropropylene unit content is 10.4-11.5 mass% with respect to all of the monomer units, the perfluoro(propyl vinyl ether) unit content is 0.5-1.6 mass% with respect to all of the monomer units, the melt flow rate at 372°C is 7.0-9.9 g/10 minutes, and the total number of –CF2H groups, carbonyl-group-containing terminal groups, -CF=CF2 groups and –CH2OH groups is 90 or less per 106 carbon atoms in the main chain.

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Inventors:
ISAKA TADAHARU (JP)
ZENKE YUMI (JP)
YAMAMOTO YUKARI (JP)
Application Number:
PCT/JP2022/008462
Publication Date:
September 01, 2022
Filing Date:
February 28, 2022
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F8/00; C08F214/26; C08J7/12; H01B7/02
Domestic Patent References:
WO2019159652A12019-08-22
WO2019008998A12019-01-10
WO2019220850A12019-11-21
Foreign References:
JP2014224228A2014-12-04
JP2017197690A2017-11-02
JP2011514407A2011-05-06
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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