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US 2006/0135685 A1Published application
Ester mixtures
OwnerJan-Gerd Hansel, Eberhard Kuckert +1inventors
InventorsJan-Gerd Hansel, Eberhard Kuckert, Ulrich Feldhues
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Abstract
The present invention relates to ester mixtures comprising trimethylolalkane esters of aromatic carboxylic acids, trimethylolalkane esters of aliphatic carboxylic acids and trimethylolalkane esters both of aromatic and aliphatic carboxylic acids, to a process for their preparation, and to their use as plasticizers for polymers.
Claims18
An ester mixture containing
- (A) 5-22% by weight of a compound of the general formula (I)
- wherein
- R is H or a C1- to C4-alkyl chain and
- R1 is a C6- to C14-aryl radical optionally substituted by one to three C1- to C4-alkyl radicals,
- (B) 26-44% by weight of a compound of the general formula (II)
- wherein
- R and R1 are each as defined above and
- R2 is a straight-chain or branched C11- to C21-alkyl radical,
- (C) 28-45% by weight of a compound of the general formula (III)
- wherein
- R, R1 and R2 are each as defined above and
- (D) 6-25% by weight of a compound of the general formula (IV)
- wherein
- R and R2 are each as defined above.
11 more elements
Dependencies are inferred from the claim text.