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Title:
FLUORINE-CONTAINING COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2023/190900
Kind Code:
A1
Abstract:
Provided is a fluorine-containing copolymer containing a tetrafluoroethylene unit, a hexafluoropropylene unit, and a perfluoro(propyl vinyl ether) unit, the hexafluoropropylene unit content being 10.4-11.4 mass% in relation to total monomer units, the perfluoro(propyl vinyl ether) unit content being 0.8-1.2 mass% in relation to total monomer units, the melt flow rate at 372°C being 7.1-9.4 s/10 mins, and the total number of carbonyl group-containing terminal groups, -CF=CF2, and -CH2OH being 90 or less per 106 main chain carbon atoms.

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Inventors:
ISAKA TADAHARU (JP)
ZENKE YUMI (JP)
YAMAMOTO YUKARI (JP)
Application Number:
PCT/JP2023/013253
Publication Date:
October 05, 2023
Filing Date:
March 30, 2023
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F214/26; C08F214/28; C08F216/14; C08J5/00; H01B3/24; H01B7/02
Domestic Patent References:
WO2001018076A12001-03-15
WO1999046309A11999-09-16
WO2015119053A12015-08-13
WO2008047906A12008-04-24
WO2008047759A12008-04-24
Foreign References:
JP2017197690A2017-11-02
JP2010095575A2010-04-30
JP2021195436A2021-12-27
JP2021158111A2021-10-07
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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