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The fractionation of lanolin with urea
Author(s) -
Eisner Abner,
Noble Wilfred R.,
Scanlan John T.
Publication year - 1959
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02636969
Subject(s) - lanolin , wax , fractionation , urea , fraction (chemistry) , chemistry , yield (engineering) , solvent , chromatography , decomposition , organic chemistry , materials science , composite material
Summary A fractionation of lanolin was effected by contacting lanolin with urea in the presence of methyl alcohol. About 6–8% of the lanolin formed a urea adduct which, upon decomposition, yielded a hard, nontacky wax fraction. In addition to the wax fraction, a fluid fraction and a sticky semi‐solid were also obtained. The latter two fractions were obtained by the solvent extraction of the nonadduct‐forming material from the urea adducts. The fluid fraction, obtained in 71% yield, is a viscous liquid at room temperature. The fluid properties of the fraction can be improved by acetylation.