Title:
INJECTION MOLDED BODY, LINED PIPE AND LINED VALVE
Document Type and Number:
WIPO Patent Application WO/2022/181721
Kind Code:
A1
Abstract:
The present invention provides an injection molded body which is provided with a pipe body part that forms a flow channel for a fluid, and a flange part that is formed on one end or both ends of the pipe body part, wherein: the maximum thickness of the flange part is 2-12 mm; the injection molded body contains a copolymer that comprises a tetrafluoroethylene unit and a fluoro(alkyl vinyl ether) unit; the content of the fluoro(alkyl vinyl ether) unit in the copolymer is 2.8-6.0% by mass relative to all monomer units; the melt flow rate of the copolymer at 372°C is not less than 4.0 g/10 minutes but less than 11.0 g/10 minutes; and the number of functional groups in the copolymer is 50 or less.
Inventors:
TSUDA HAYATO (JP)
ISAKA TADAHARU (JP)
ZENKE YUMI (JP)
YAMAMOTO YUKARI (JP)
YAMAGUCHI YASUYUKI (JP)
HAMADA HIROYUKI (JP)
ISAKA TADAHARU (JP)
ZENKE YUMI (JP)
YAMAMOTO YUKARI (JP)
YAMAGUCHI YASUYUKI (JP)
HAMADA HIROYUKI (JP)
Application Number:
PCT/JP2022/007738
Publication Date:
September 01, 2022
Filing Date:
February 24, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
B29C45/14; C08F8/20; C08F214/26; C08J5/16; C09K3/10; F16J15/10; B29K27/12
Domestic Patent References:
WO2003048214A1 | 2003-06-12 | |||
WO2019187725A1 | 2019-10-03 |
Foreign References:
JPS59120433A | 1984-07-12 | |||
JPH0260954A | 1990-03-01 | |||
JP2013177574A | 2013-09-09 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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