| abstract |
Cooling additives for medium distillates containing A) 0.1 to 50% by weight of at least one polyester of the formula wherein one of the radicals R1 to R4 represents a linear C16-C40 alkyl or alkenyl radical and the remaining radicals R1 to R4, independently of one another, represents hydrogen or an alkyl radical with 1 to 3 C atoms, R5 represents a CC bond or an alkylene radical with 1 to 6 C atoms, R16 represents a hydrocarbon group with 2 to 10 carbon atoms , n represents a number from 1 to 100, m represents a number from 3 to 250, p represents 0 or 1, q represents 0 or 1, B) 1.5 to 73.5% by weight of at least one base copolymer of ethylene and at least one ethylenically unsaturated ester, the copolymer having a melt viscosity, measured at 140 ° C, of at most 5,000 mPas and C) 25 to 95% by weight of at least one organic solvent |