Use of alkoxylation products of epoxidized fats as antifoaming agents
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United States of America Patent
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May 2, 2000
Grant Date -
N/A
app pub date -
Sep 2, 1997
filing date -
Feb 1, 1995
priority date (Note) -
Expired
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Abstract
A method of controlling or preventing foam in an aqueous system is provided, wherein an effective amount of an alkoxylated, epoxidized fatty compound that has been ring-opened with a nucleophile is determined and added to the system. After ring opening with the nucleophile, the epoxidized fatty compound is alkoxylated with an alkylene oxide selected from the group consisting of ethylene oxide, propylene oxide, and butylene oxide.
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