05-03-2020 дата публикации
Номер: US20200071256A1
Принадлежит:
Ester compounds, such as for use in a lubricant, are based on di-, tri- or higher functional carboxylic acids according to formula (I) 2. The ester compound as claimed in claim 1 , in which the radical Z is selected from the group consisting of hydrogenated or non-hydrogenated dimer acid claim 1 , hydrogenated or non-hydrogenated trimer acid claim 1 , phthalic acid claim 1 , itaconic acid claim 1 , oxalic acid claim 1 , 2 claim 1 ,2′-thiodiacetic acid claim 1 , 3 claim 1 ,3′-thiodipropionic acid claim 1 , admergic acid claim 1 , 2 claim 1 ,5-furandicarboxylic acid claim 1 , cyclohexane-1 claim 1 ,4-dicarboxylic acid claim 1 , cyclohexane-1 claim 1 ,2-dicarboxylic acid claim 1 , phenyl succinic acid claim 1 , diglycolic acid.4. The ester compound as claimed in claim 3 , in which the radical Z is selected from the group consisting of hydrogenated or non-hydrogenated dimer acid claim 3 , phthalic acid claim 3 , oxalic acid claim 3 , 2 claim 3 ,2′- thiodiacetic acid claim 3 , 3 claim 3 ,3′-thiodipropionic acid claim 3 , admergic acid claim 3 , cyclohexane-1 claim 3 ,4-dicarboxylic acid claim 3 , cyclohexane-1 claim 3 ,2-dicarboxylic acid claim 3 , phenylsuccinic acid claim 3 , diglycolic acid.6. The method for producing the ester compound of the general formula (I) or (II) as claimed in claim 5 , in which the unsaturated fatty acid is selected from the group consisting of oleic acid and erucic acid; the alcohol is selected from the group consisting of 2-ethylhexan-1-ol claim 5 , 2-hexyldecan-1-ol claim 5 , 2-octyldodecan-1-ol claim 5 , 2-propylheptan-1-ol and isoamyl alcohol and the catalyst in reaction step (A) is perchloric acid and in reaction step (D) is p-toluenesulfonic acid.7. A method for producing the ester compound of the general formulae (I) or (II) obtainable by(A) reacting a di-, tri- or higher functional carboxylic acid with a long-chain fatty acid having hydroxyl groups in the presence of a catalyst at 120 to 150° C.,(B) reducing the pressure,(C) ...
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