METHOD OF RECYCLING CARBON FIBER PREPREG WASTE AND TRANSPARENT THERMOPLASTIC WASTE
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United States of America Patent
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Issued Date -
Sep 12, 2019
app pub date -
May 28, 2019
filing date -
Aug 18, 2017
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Abstract
The method of recycling carbon fiber prepreg waste and transparent thermoplastic waste includes shredding of a volume of transparent thermoplastic waste and a volume of carbon fiber prepreg waste, where the carbon fiber prepreg waste includes a colored backing film. The colored backing film may have a plurality of colors associated therewith, yielding a mixture of multi-colored shreds. A mold is filled with the shredded volume of transparent thermoplastic waste, and the mold is inserted and compressed in a hot press. The shredded volume of transparent thermoplastic waste is cured in the hot press to produce a transparent sheet. The shredded volume of carbon fiber prepreg waste is then heated, such as, for example, with hot air, and then spread on the transparent sheet. The heated, shredded volume of carbon fiber prepreg waste and the transparent sheet are hot pressed to form a colored sheet with a transparent protective layer.
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