Partially separated fiber bundle and method of manufacturing same, chopped fiber bundle using same, and fiber-reinforced resin forming material
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United States of America
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Jan 25, 2022
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Nov 21, 2019
app pub date -
Jan 26, 2018
filing date -
Jan 26, 2018
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Abstract
A partially separated fiber bundle having a surface of a reinforcing fiber coated with a sizing agent containing a water-soluble polyamide-based resin, in which a separated fiber section consisting of a plurality of separated fiber bundles and an unseparated fiber section are provided alternately along a longitudinal direction of the reinforcing fiber bundle consisting of a plurality of single yarns, wherein the reinforcing fiber bundle contains 600 fibers/mm or more and less than 1,600 fibers/mm of fibers per unit width while the reinforcing fiber has a drape level of 120 mm or more and 240 mm or less.
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