ASPHALT MATERIALS FROM WIND TURBINE BLADES AND OTHER COMPOSITE MATERIALS
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
Jul 5, 2022
filing date -
Jul 12, 2021
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Abstract
A method for converting a fiber reinforced composite material into a softening or recycling agent or product for hard asphalt or bitumen may include contacting a fiber reinforced composite material with a solvent, and converting at least some of the fiber reinforced composite material into a liquid product. The softening step may include, contacting the hard asphalt with the liquid product to produce a softened or rejuvenated asphalt. The fiber reinforced composite material may include a solid organic thermoset material and fibers. The hard asphalt may be obtained by petroleum refining, polymer modification or field aging.
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