METHOD OF MANUFACTURING REFINED PITCH
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United States of America Patent
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Dec 18, 2015
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Dec 18, 2015
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Abstract
A method of manufacturing a refined pitch includes the steps of providing a pitch and performing a heated blending process thereon to produce a pitch solution; adding an aromatic additive to the pitch solution; adding an aliphatic additive to the pitch solution; performing a quiescent sedimentation process on the pitch solution; and separating a liquid part from the pitch solution. Therefore, the method allows a concentrated mesophase pitch to be manufactured quickly and by heat processing.
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