IMPROVED BINDER PITCH FOR USE IN CARBON COMPOSITE MATERIALS
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United States of America Patent
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N/A
Issued Date -
Apr 4, 2024
app pub date -
Jan 26, 2022
filing date -
Jan 26, 2021
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
Processes are described for the production of a pitch for use in the manufacture of carbon composite materials. The process comprises the steps of providing a purified coal product (PCP), wherein the PCP is in particulate form, and wherein at least about 90% by volume (% v) of the particles are no greater than about 25 μm in diameter; wherein the PCP has an ash content of less than about 10% m; and combining the PCP with a feedstock for pitch to create a combined blended mixture suitable for thermal reaction followed by distillation to create a resultant pitch. The combined blended mixture comprises at least around 0.1% m and at most around 90% m PCP. Composite materials that find utility as carbon electrodes, particularly electrolytic baked carbon anodes, can be made from combining the pitch and PCP with a filler material, such as a pet coke.
First Claim
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