Title:
COPOLYMER, MOLDED BODY, EXTRUDED BODY, AND TRANSFER MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2022/181231
Kind Code:
A1
Abstract:
Provided is a copolymer that contains tetrafluoroethylene units and perfluoro(propyl vinyl ether) units, the perfluoro(propyl vinyl ether) unit content being 2.7–4.9 mass% relative to the total monomer units, the melt flow rate of the copolymer at 372°C being 0.7–1.4 g/10 min, and the copolymer having no more than 20 functional groups per 106 main chain carbons.
Inventors:
ISAKA TADAHARU (JP)
ZENKE YUMI (JP)
YAMAMOTO YUKARI (JP)
TSUDA HAYATO (JP)
YAMAGUCHI YASUYUKI (JP)
ZENKE YUMI (JP)
YAMAMOTO YUKARI (JP)
TSUDA HAYATO (JP)
YAMAGUCHI YASUYUKI (JP)
Application Number:
PCT/JP2022/003646
Publication Date:
September 01, 2022
Filing Date:
January 31, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C08F8/00; C08F214/26; C08F216/14; C08J5/00; F16L9/127; H01B3/44; H01B7/02
Domestic Patent References:
| WO2008143069A1 | 2008-11-27 |
Foreign References:
| JP2013177574A | 2013-09-09 | |||
| JP2009059690A | 2009-03-19 | |||
| JP2003327770A | 2003-11-19 | |||
| JP2002167488A | 2002-06-11 | |||
| CN104558365A | 2015-04-29 | |||
| JP2009042478A | 2009-02-26 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
Download PDF: