| 摘要 |
A method of producing a liquid crystal polyester composition, the twin-screw extruder including a cylinder having a supply port for supplying the liquid crystal polyester, a first addition port for adding the filler other than fibrous fillers and a second addition port for adding a fibrous filler which are provided downstream of the supply port, and a screw provided with kneading portions on the upstream side and downstream side of the first addition port, a resin temperature (T1) of the liquid crystal polyester after kneading in the nearest upstream kneading portion satisfying formula (1), and a resin temperature (T2) of the liquid crystal polyester after kneading in the nearest downstream kneading portion satisfying formula (2): FT−100(° C.)≰T1≰FT+20(° C.) (1) FT−100(° C.)≰T2≰FT+30(° C.) (2) wherein FT represents the flow starting temperature of the liquid crystal polyester.
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