Branched alcohols and alcohol mixtures, their derivatives and use obtained from FT-feed stocks
Publication Date: 2004-Aug-16
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Alcohol mixtures (branched FT-alcohols) containing alcohols of the formula RCH2OH, wherein R1 is defined as R-CH2-radical of the compound RCH2OH and (a) from more than 0 to 20% by mass of the alcohols with a hydrocarbon radical R are linear and aliphatic, preferably saturated, and comprise on the average 4 to 40, preferably 7 to 16, and more preferably 10 to 15 carbon atoms, (b)from more than 20 to 95% by mass of the alcohols with a hydrocarbon radical R comprising on the average 4 to 20, preferably 7 to 12 carbon atoms, and up to 3, preferably 1 or 2 tertiary carbon atoms, are aliphatic, preferably saturated, and none of the tertiary carbon atoms occurs in the 2- or 3-position in relation to the -OH group of the alcohol, wherein at least 80%, preferably at least 95% of all the tertiary carbon atoms in the mixture, are not directly adjacent, wherein preferably the tertiary carbon atoms, insofar as these are substituted with alkyl groups, the alkyl groups at more than 70% of all alkyl-branches of the mixture, preferably more than 80%, are methyl and/or ethyl and/or propyl groups, preferably methyl and/or ethyl groups, more preferably methyl groups, and (c) up to 40% by mass, preferably 25% by mass, and more preferably 15% are other alcohols, with on the average 4 to 40, preferably 7 to 16, and more preferably 10 to 15 carbon atoms,wherein the radicals R according to (a), (b) and the alcohols (c) supplement one another to up to 100% by mass, and derivatives of this alcohol mixture.