| 摘要 |
A fuel oil comprising: A) a mineral oil having a cloud point of less than -8 C., a boiling range (90-20%) of less than 120 C. and a difference between CFPP and PP of less than 10 C., and B) one or more copolymers, wherein the copolymers comprise: a) bivalent structural unit (B1), wherein (B1) is a bivalent structural unit of formula (1)<paragraph lvl="0"><in-line-formula>-CH2-CH2- (1)</in-line-formula>and b) one or more bivalent structural units (B2), wherein (B2) is either a bivalent structural unit of formula (2)<paragraph lvl="0"><in-line-formula>-CH2-CR1R2- (2)</in-line-formula>in which R1 is hydrogen or methyl, R2 is COOR3, OR3 or OCOR3, and R3 is an alkyl radical having at least 4 and at most 30 carbon atoms, or (B2) is a bivalent structural unit of formula (2a) in which R3 is an alkyl radical having at least 4 and at most 30 carbon atoms
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