SLURRY, METHOD OF PRODUCING COMPOSITE RESIN MATERIAL, AND METHOD OF PRODUCING SHAPED PRODUCT
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United States of America Patent
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Sep 12, 2019
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Oct 2, 2017
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Oct 3, 2016
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Provided is a composite resin material that enables formation of a shaped product having excellent mechanical strength and sufficiently low surface resistivity. A method of producing the composite resin material includes a step of removing a dispersion medium from a slurry that contains fluororesin particles, fibrous carbon nanostructures, and the dispersion medium, that contains 0.01-0.5 parts by mass of the fibrous carbon nanostructures per 100 parts by mass of the fluororesin particles, and for which an area fraction S (%) of fibrous carbon nanostructure aggregates when the slurry is loaded into a glass slide including an indentation of 0.5 mm in depth and inside of the indentation is observed over a range of 3 mm×2 mm using an optical microscope and a volume percentage V (volume %) of the fibrous carbon nanostructures in solid content of the slurry satisfy a relationship: 3≤S/V≤30.
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