Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizers
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United States of America Patent
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Nov 19, 2002
Issued Date -
N/A
app pub date -
May 8, 1995
filing date -
Dec 22, 1992
priority date (Note) -
Expired
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Abstract
Mixtures of isomeric nonanols and decanols are obtained by joint aldol condensation of n-butanal and pentanals, and up to 1% by weight of 3-methylbutanal, hydrogenation of the aldol condensation product to the corresponding saturated alcohols, and separation from the reaction mixture of the components boiling at temperatures lower than those of the nonanols and decanols. The pentanals are mixtures of 60 to 90% by weight of n-pentanal and 10 to 40% by weight of 2-methylbutanal. The alcohol mixture is especially suitable for preparing ester plasticizers.
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