Process for preparing rosin ester with esterification and hydrogenation
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United States of America Patent
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Jul 11, 1989
Grant Date -
N/A
app pub date -
Jan 28, 1988
filing date -
Jan 29, 1987
priority date (Note) -
Expired
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Abstract
A process for preparing a rosin ester which comprises purifying a rosin and/or a disproportionated rosin, esterifying the resulting purified rosin and/or purified disproportionated rosin with an alcohol and subjecting the esterified rosin and/or esterified disproportionated rosin to hydrogenating. The resulting rosin ester has superior color nearly equal to colorless and is excellent in various properties such as odor at heating, stability and compatibility with organic polymers.
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