Title:
POLYETHER ETHER KETONE AND METHOD FOR PRODUCING POLYETHER ETHER KETONE
Document Type and Number:
WIPO Patent Application WO/2022/050340
Kind Code:
A1
Abstract:
Provided is a polyether ether ketone which contains a repeating unit represented by formula (1), has a crystallization temperature Tc of 255ºC or more, and satisfies one or both of conditions (A) and (B). (A) The content a of fluorine atoms is less than 2 mg/kg. (B) The content b of chlorine atoms is 2 mg/kg or more.
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Inventors:
SUGA KOICHI (JP)
SENGA MINORU (JP)
KUMAGAI HIROMU (JP)
MURAKAMI YUKO (JP)
SENGA MINORU (JP)
KUMAGAI HIROMU (JP)
MURAKAMI YUKO (JP)
Application Number:
PCT/JP2021/032245
Publication Date:
March 10, 2022
Filing Date:
September 02, 2021
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C08G65/40
Foreign References:
| JP2013500350A | 2013-01-07 | |||
| JPH03122120A | 1991-05-24 | |||
| JPH01178520A | 1989-07-14 |
Attorney, Agent or Firm:
HEIWA INTERNATIONAL PATENT OFFICE (JP)
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