Title:
FLUORINE-CONTAINING COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2021/054363
Kind Code:
A1
Abstract:
The present invention provides a fluorine-containing copolymer which contains (a) a tetrafluoroethylene unit, (b) an ethylene unit and (c) a hexafluoropropylene unit, wherein: the content ratio of the hexafluoropropylene unit (c) in all monomer units is from 6% by mole to 21% by mole; the molar ratio of the tetrafluoroethylene unit (a) relative to the sum of the tetrafluoroethylene unit (a) and the ethylene unit (b), namely (a)/((a) + (b)) is from 0.40 to 0.54; and the melt flow rate as measured at 230°C under a load of 5 kg is from 12 g/10 minutes to 100 g/10 minutes.
Inventors:
FUKAGAWA RYOUICHI (JP)
ISAKA TADAHARU (JP)
SHIMADA HIROYUKI (JP)
ISAKA TADAHARU (JP)
SHIMADA HIROYUKI (JP)
Application Number:
PCT/JP2020/035088
Publication Date:
March 25, 2021
Filing Date:
September 16, 2020
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F210/02; C08F214/26; C08F214/28; A45D34/02; F16L11/06
Domestic Patent References:
| WO2001060606A1 | 2001-08-23 |
Foreign References:
| JPH11315121A | 1999-11-16 | |||
| JPH0841131A | 1996-02-13 | |||
| US4338237A | 1982-07-06 |
Other References:
See also references of EP 4032430A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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