Additive for the low temperature for middle distillates with improved flow properties .

摘要

As for target of this invention,A) At least a kind of polyester of the next formula (A1), Conversion 1 [In formula,R - One among the R bases to display linear C C alkyl or the arukeniru basis, andR - As for remainder among the R bases, becoming independent mutually, displaying the alkyl group of hydrogen or carbon atom several 1 - 3,As for R, displaying alkylene basis of C C join or carbon atom several 1 - 6,As for R, displaying hydrocarbon group of carbon atom several 2 - 10,As for n, displaying number 1 - 100,As for m, displaying number 3 - 250,p to display 0 or 1, andq displays 0 or 1]B) Ethylene and at least a kind of at least consists of a kind of ethylenic unsaturated ester copolymer, however, in this case, the said copolymer, measuring with the 140 and being maximum, to have the melting viscosity of 5,000mPas, andC) At least a kind of organicity composition,It includes, it is the cryogenic additive for intermediate distilled ones.