Patent ID: 11884864
Assignee: HONSHU CHEMICAL INDUSTRY CO., LTD.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC C  D | IPC C  D  G

Claim 2:
3. A method for producing a liquid-crystal polyester processed product, comprising a step (I) of performing an oxidation treatment on a surface of a liquid-crystal polyester resin formed body including a repeating unit represented by general formula (1):, wherein Ar represents a phenylene group, a naphthylene group, or a biphenylene group, R1 represents a linear alkyl group having 1 to 6 carbon atoms, a branched alkyl group having 3 to 6 carbon atoms, or a cyclic alkyl group having 5 to 6 carbon atoms, and n represents an integer of 1 to 4, and
a step (III) of coloring the surface on which the oxidation treatment has been performed to produce colored liquid-crystal polyester fibers.