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Patent Searching and Data


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)
Application Number:
PCT/JP2022/007738
Publication Date:
September 01, 2022
Filing Date:
February 24, 2022
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
B29C45/14; C08F8/20; C08F214/26; C08J5/16; C09K3/10; F16J15/10; B29K27/12
Domestic Patent References:
WO2003048214A12003-06-12
WO2019187725A12019-10-03
Foreign References:
JPS59120433A1984-07-12
JPH0260954A1990-03-01
JP2013177574A2013-09-09
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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