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AssigneeEmery Oleochemicals GmbH
InventorsPeter Daute, Martin Schäfer, Thomas Schweichler
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The present invention relates to a process for the preparation of an ester in a reactor, wherein at least one of at least two different catalysts is an electron donor and a further catalyst is a sulphur-containing proton donor; a device, a process for the preparation of a thermoplastic composition comprising the ester prepared according to the invention, a process for the production of a shaped article comprising the ester according to the invention or the thermoplastic composition according to the invention, a process for the production of a packed product, a process for the production of an at least partly coated object, and uses of the esters according to the invention as an additive in various compositions.
A process for the preparation of an ester, at least based on
The process according to one of the preceding claims, wherein the amount of electron donor, based on the total amount of catalysts, is more than 12.5 wt. %.
The process according to one of the preceding claims, wherein
The process according to one of the preceding claims, wherein a metal, a metal compound, or a reducing acid, or a combination of two or more of these, is employed as the electron donor.
The process according to one of the preceding claims, wherein
The process according to one of the preceding claims, wherein the reaction is carried out at a temperature in a range of from 80 to 185° C., in particular from 100 to 185° C.
The process according to one of the preceding claims, wherein the reaction is carried out under a pressure in a range of from 2 to 800 mbar.
The process according to one of the preceding claims, wherein the weight content of catalyst is in a range of from 0.01 wt. % to 0.5 wt. %, based on the total amount of process components weighed out.
The process according to one of the preceding claims, wherein a catalyst mixture of
The process according to one of the preceding claims, wherein no steam distillation is carried out as an after-treatment step.
The process according to one of the preceding claims, wherein an alcohol component with one or more hydroxyl groups is chosen as the alcohol component.
The process according to one of the preceding claims, wherein a partial ester is prepared as the ester, wherein either
The process according to one of the preceding claims, wherein the carboxylic acid component is chosen from the group consisting of octanoic acid, i-octanoic acid, nonanoic acid, i-nonanoic acid, decanoic acid, i-decanoic acid, sebacic acid, palmitic acid, stearic acid, oleic acid, azelaic acid, pelargonic acid, behenic acid, trimellitic acid, adipic acid, erucic acid, HOOC—C36H72—COOH, phthalic anhydride or a mixture of two or more of these.
The process according to one of the preceding claims, wherein the alcohol component is chosen from the group consisting of glycerol, oligoglycerols, pentaerythritol, pentaerythritol dimer, n-butanol, i-butanol, n-propanol, propanol, 2,2-dimethylpropanol, 2-ethylhexanol, n-octanol, i-tridecanol, cetyl alcohol, stearyl alcohol, ethylene glycol, diethylene glycol, butyl glycol, dibutyl glycol, tributyl glycol, 2-propylheptanol, polyethylene glycol or a mixture of two or more of these.
Process according to one of the preceding claims, wherein the ester has between 1 and 6 ester groups.
A device comprising as device units connected by fluid-conducting means
Dependencies are inferred from the claim text.