METHOD FOR MANUFACTURING HIGH YIELD MESOPHASE PITCH AND HIGH YIELD MESOPHASE PITCH MANUFACTURED THEREFROM
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United States of America Patent
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Issued Date -
Jan 5, 2023
app pub date -
May 20, 2022
filing date -
May 20, 2022
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Abstract
Provided are a method for manufacturing a high yield and high performance mesophase pitch and a high yield and high performance mesophase pitch manufactured therefrom by hydrogenating, mesophase formation, thin film evaporation, solvent-extracting, filtering and then drying to obtain only mesogen components in flow-domained mesophase pitch and then mixing the mesogen components with an isotropic pitch as a solvent component. Further, the high yield mesophase pitch of the present disclosure exhibits high spinnability while maintaining whole anisotropy and exhibits a much higher production yield than existing mesophase pitches.
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