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US 12,559,610 B2Granted
Aromatic polyether, aromatic polyether composition, sheet and method for producing aromatic polyether
AssigneeIdemitsu Kosan Co., Ltd.
InventorsMinoru Senga, Kouichi Suga, Yuko Murakami
Life of this patent
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Abstract
An aromatic polyether including structural units represented by the following formulas (1A) to (4A):
Claims12
An aromatic polyether comprising structural units represented by the following formulas (1A) to (4A):
- wherein the difference (Tm-Tc) between the melting point (Tm) and the crystallization temperature (Tc) of the aromatic polyether is 55° C. or more.
A method for producing an aromatic polyether comprising reacting compounds represented by the following formulas (1B) to (4B):
- wherein in the formula (1B), X represents C1;
- in the formula (2B), Z represents a halogen atom, the two Z′s are the same as or different from each other.
Dependencies are inferred from the claim text.