Composite material, production method for molded object, and production method for composite material
US11795279B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Nov 21, 2018 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Aug 9, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2377/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A composite material which includes a thermoplastic matrix resin and carbon fibers A including carbon fiber bundles A1 in which Li/(Ni×Di2) satisfies 6.7×101 to 3.3×103, wherein the carbon fibers A have a fiber length of 5-100 mm and have a value of LwA1/(NA1ave×DA12) of 1.0×102 to 3.3×103, the carbon fiber bundles A1 having an average bundle width WA1 less than 3.5 mm and being contained in an amount of 90 vol % or larger with respect to the carbon fibers A A production method for producing a molded object from the composite material is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.