Phosphated acrylates of alkoxylated alcohols
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United States of America Patent
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Jan 24, 1989
Issued Date -
N/A
app pub date -
Jan 12, 1988
filing date -
Mar 27, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Reactive dispersants for magnetic recording media are prepared by sequentially phosphating and esterifying or esterifying and phosphating alkoxylated alcohols having at least two carbon atoms and at least two hydroxyl groups. The phosphating agent can be phosphorus oxychloride while the esterifying agent can be acrylic acid.
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