Improving agent for fluidity at low temperature of fuel oil
专利汇可以提供Improving agent for fluidity at low temperature of fuel oil专利检索，专利查询，专利分析的服务。并且PURPOSE: An improving agent for the fluidity characteristics and fluidity at low temperatures containing a specific succinic acid amide derivative and a specific ethylene-ethylenically unsaturated ester copolymer, and applicable to a relatively wide range of types of petroleum middle distillate fuel oils.
CONSTITUTION: An improving agent for the fluidity at low temperatures containing (A) a succinic acid amide derivative of formula I [R is 8W28C unsaturated hydrocarbon; one of X
1 and X
2 is NY
1 Y
2 , and the other is OH(NHY
1 Y
2 )
n (Y
1 and Y
2 are H or 1W30C hydrocarbon; n is 0 or 1)] and (B) a copolymer of (i) ethylene and (ii) 50wt% or less ethylenically unsaturated ester of fomula II (R
1 is H or CH
3 ; R
2 is OCOCH
3 , etc.) having 3,000W7,000 number-average molecular weight, ≤5.0 molecular weight distribution and ≤6, based on 100 methylene groups, methyl terminated side chains in addition to the methyl groups in the ester groups. The amount of the above-mentioned improving agent to be added to the fuel oil is usually 50W5,000ppm.
COPYRIGHT: (C)1984,JPO&Japio，下面是Improving agent for fluidity at low temperature of fuel oil专利的具体信息内容。
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