%0 Journal Article
%T Preparation of oleochemical polyols derived from soybean oil
%A Beltr¨˘n
%A A.A.
%A Boyac¨˘
%A L.A.
%J Latin American applied research
%D 2011
%I Scientific Electronic Library Online
%X the hydroxylation of epoxidized soybean oil was performed in a well-mixed agitated reactor under isothermal operation. two agents for hydroxylation were evaluated using a homogeneous catalyst. the tests were positive and the best results are achieved with molar relations of alcohol to epoxide of 4:1 for ethanol (t=70ˇăc) and 6:1 for ethylene glycol (t=80ˇăc), using sulfuric acid (2 % p/p) as a catalyst. the hydroxyl numbers of the oleochemical polyols obtained are 120 and 331 mg koh/g, with theoretical functionalities of 2 and 6 for ethanol and ethylene glycol soy-based polyols, respectively.
%K soybean epoxide
%K oleochemical polyester polyols
%K hydroxylation with ethylene glycol.
%U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S0327-07932011000100010&lng=en&nrm=iso&tlng=en