METHOD FOR PRODUCING MIXED COMPOSITION
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United States of America
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Issued Date -
Nov 28, 2024
app pub date -
Nov 21, 2022
filing date -
Nov 21, 2022
priority date (Note) -
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Abstract
A method is provided for producing a mixed composition composed of a lignocellulosic fiber and a molten thermoplastic resin that are kneaded together, the mixed composition being for use as a fiber reinforced resin material, the method including: a kneading step of kneading the lignocellulosic fiber and the thermoplastic resin together using a multi screw extruding machine equipped with two or more screws, wherein the multi screw extruding machine includes: a cylinder that internally has a kneading space in which the screws are provided; and a heating device that is provided on an outer circumferential portion of the cylinder and includes a plurality of heating units arranged in an axial direction of the cylinder, and, in the kneading step, the lignocellulosic fiber and the thermoplastic resin are kneaded together while maintaining set temperatures of the heating units anywhere in the axial direction at a temperature less than a melting point of the thermoplastic resin.
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