Title:
WHOLLY AROMATIC POLYESTER, RESIN COMPOSITION, AND MOLDED ARTICLE, AND METHOD FOR PRODUCING WHOLLY AROMATIC POLYESTER
Document Type and Number:
WIPO Patent Application WO/2023/176816
Kind Code:
A1
Abstract:
Provided is a liquid-crystalline wholly aromatic polyester that exhibits a lower flow initiation temperature than heretofore. The wholly aromatic polyester exhibits optical anisotropy when melted and contains constituent units (I), (II), (III), and (IV) as essential constituent components, wherein the content of the constituent unit (I) is 17.5 to 26 mol% with respect to the total constituent units, the content of the constituent unit (II) is 24 to 32.5 mol% with respect to the total constituent units, the content of the constituent unit (III) is 17.5 to 26 mol% with respect to the total constituent units, the content of the constituent unit (IV) is 24 to 32.5 mol% with respect to the total constituent units, and the content of the total of the constituent units (I), (II), (III), and (IV) with respect to the total constituent units is 100 mol%.
Inventors:
YANAGISAWA YU (JP)
SAKAMOTO KATSUTOSHI (JP)
NISHIYAMA HIROKI (JP)
SAKAMOTO KATSUTOSHI (JP)
NISHIYAMA HIROKI (JP)
Application Number:
PCT/JP2023/009805
Publication Date:
September 21, 2023
Filing Date:
March 14, 2023
Export Citation:
Assignee:
POLYPLASTICS CO (JP)
International Classes:
C08G63/197; C08G63/181; C08G63/19
Foreign References:
| JPH05117374A | 1993-05-14 | |||
| JPH06502673A | 1994-03-24 |
Attorney, Agent or Firm:
SONODA & KOBAYASHI INTELLECTUAL PROPERTY LAW (JP)
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