Patent ID: 11939449
Assignee: SUMITOMO CHEMICAL COMPANY LIMITED
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 4:
5. The liquid crystal polyester composition according to claim 1,
wherein the liquid crystal polyester has a repeating unit (u1) represented by Formula (1), a repeating unit (u2) represented by Formula (2), and a repeating unit (u3) represented by Formula (3),

—O—Ar1—CO—  (1)

—CO—Ar2—CO—  (2)

—X—Ar3—Y—  (3)

in Formulae (1) to (3),
Ar1 represents a phenylene group, a naphthylene group, or a biphenylylene group,
Ar2 and Ar3 each independently represents a phenylene group, a naphthylene group, a biphenylylene group, or a group represented by Formula (4),
X and Y each independently represents an oxygen atom or an imino group, and
one or more hydrogen atoms in the group represented by Ar1, Ar2, or Ar3 may be each independently substituted with a halogen atom, an alkyl group having 1 to 28 carbon atoms, or an aryl group having 6 to 12 carbon atoms,

—Ar4—Z—Ar5—  (4)

in Formula (4), Ar4 and Ar5 each independently represents a phenylene group or a naphthylene group, and
Z represents an oxygen atom, a sulfur atom, a carbonyl group, a sulfonyl group, or an alkylidene group having 1 to 28 carbon atoms.