Method of preparing high softening point pitch and high softening point pitch prepared thereby
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United States of America Patent
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Aug 21, 2018
Grant Date -
Jun 22, 2017
app pub date -
Apr 22, 2016
filing date -
May 19, 2015
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Abstract
Provided are a method of preparing a high softening point pitch and the high softening point pitch prepared thereby, in which a polyene radical intermediate is formed, and an alkylaromatic radial material is linearly linked to the polyene radical intermediate in a benzyl or methylene form to be polymerized. The method includes performing heat treatment by adding a compound, which is able to a polyene radical intermediate, to 1- to 4-ring alkylaromatic condensates to produce a basic pitch, and performing vacuum heat treatment for the basic pitch.
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