Title:
AROMATIC POLYETHER, METHOD FOR PRODUCING AROMATIC POLYETHER, COMPOSITION, AND SHEET
Document Type and Number:
WIPO Patent Application WO/2023/171407
Kind Code:
A1
Abstract:
This aromatic polyether contains structural units represented by formula (1), structural units represented by formula (2) and structures represented by formula (3). The peak intensity ratio of a peak having the maximum intensity among peaks derived from structures represented by formula (3), which appear within the chemical shift range of 7.55-7.65 ppm, relative to the peak intensity of a peak derived from structural units represented by formula (2), which appears at a chemical shift of approximately 7.35 ppm, is 0.20% to 2.00%, in 1H-NMR measurements.
Inventors:
SUGA KOICHI (JP)
SENGA MINORU (JP)
WATANABE HAJIME (JP)
HOSHI YUKO (JP)
KUMAGAI HIROMU (JP)
SENGA MINORU (JP)
WATANABE HAJIME (JP)
HOSHI YUKO (JP)
KUMAGAI HIROMU (JP)
Application Number:
PCT/JP2023/006679
Publication Date:
September 14, 2023
Filing Date:
February 24, 2023
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C08G65/34; C08J5/04; C08K3/00; C08L71/12
Domestic Patent References:
| WO2021117814A1 | 2021-06-17 |
Foreign References:
| CN113736044A | 2021-12-03 | |||
| CN113652057A | 2021-11-16 |
Attorney, Agent or Firm:
HEIWA INTERNATIONAL PATENT OFFICE (JP)
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