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    • 1. 发明申请
    • GASOLINE COMPOSITIONS
    • 汽油组合物
    • WO2010000760A2
    • 2010-01-07
    • PCT/EP2009/058227
    • 2009-06-30
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.CLARKE, LionelFELIX-MOORE, AlisonLOUIS, Jurgen Johannes JacobusPRICE, Richard JohnSMITH, Johanne
    • CLARKE, LionelFELIX-MOORE, AlisonLOUIS, Jurgen Johannes JacobusPRICE, Richard JohnSMITH, Johanne
    • C10L1/14C10L1/182C10L1/185C10L1/19C10L10/10
    • C10L1/14C10L1/1824C10L1/1852C10L1/1855C10L1/19C10L10/10
    • The present invention provides a gasoline composition comprising: (i) base gasoline; and (ii) a composition comprising component A and at least one component selected from categories (a) and (b) below: (a) component B, and (b) one component selected from components C, D and E, wherein: component A is an ester or mixture of esters having formula (I): R 1 C(O)-O-R 2 wherein R 1 is selected from a C 1-6 alkyl group and R 2 is selected from a C 1-4 alkyl group and wherein the total number of carbon atoms in R 1 and R 2 is in the range of from 5-9, with the proviso that component A has a boiling point or boiling point range within the temperature range of from 90 to 200 0 C; component B is ethanol; component C is a compound of formula (II) or formula (III). wherein the R 3 , R 4 , R 5 and R 6 groups are independently selected from hydrogen and C 1-6 hydrocarbyl groups, with the proviso that component C has a boiling point or boiling point range of at most 110 0 C; component D is butanol; and component E is an ether of the general formula (IV): R 7 -O-C(Me) 3 wherein R 7 is selected from methyl, ethyl or mixtures thereof, wherein the concentration of the components in the composition is calculated using the following equation (equation I ). wherein : n = 1 is component B, n = 2 is component A, n = 3 is any one of components C, D or E, V fn is the volume fraction of the component n = 1, 2 or 3 in the composition comprising component A and at least one component selected from components B, C, D and E, E70 n is the blending E70 value of the component represented by n, E1OO n is the blending E1OO value of the component represented by n, E70 base is in the range of from 10 to 55 %vol., and ElOO base is in the range of from 35 to 75 %vol..
    • 本发明提供一种汽油组合物,其包含:(i)汽油; 和(ii)包含组分A和选自以下类别(a)和(b)中的至少一种组分的组合物:(a)组分B和(b)选自组分C,D和E的一种组分,其中:组分 A是具有式(I)的酯或酯的混合物:R 1 C(O)-O-R 2,其中R 1选自C 1-6烷基,R 2选自C 1-4烷基, R1和R2中的碳原子在5-9的范围内,条件是组分A的沸点或沸点范围在90至200℃的温度范围内; 组分B是乙醇; 组分C是式(II)或式(III)的化合物。 其中R 3,R 4,R 5和R 6基团独立地选自氢和C 1-6烃基,条件是组分C的沸点或沸点范围至多为110℃; 组分D为丁醇; 并且组分E是通式(IV)的醚:R7-OC(Me)3,其中R7选自甲基,乙基或其混合物,其中组合物中组分的浓度使用下式计算(方程式 一世 )。 其中:n = 1是组分B,n = 2是组分A,n = 3是组分C,D或E中的任一个,V fn是包含组分的组合物中组分n = 1,2或3的体积分数 A和至少一种选自组分B,C,D和E的组分,E70 n是由n表示的组分的共混E70值,E100n是由n表示的组分的共混E100值,E70base在 10至55%体积,ElOObase为35至75体积%。
    • 2. 发明申请
    • GASOLINE COMPOSITIONS
    • 汽油组合物
    • WO2010000759A1
    • 2010-01-07
    • PCT/EP2009/058226
    • 2009-06-30
    • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.CLARKE, LionelFELIX-MOORE, AlisonLOUIS, Jurgen Johannes JacobusSMITH, Johanne
    • CLARKE, LionelFELIX-MOORE, AlisonLOUIS, Jurgen Johannes JacobusSMITH, Johanne
    • C10L1/19C10L10/10
    • C10L10/10C10L1/19
    • The present invention provides a method for decreasing the vapour pressure of a gasoline composition comprising admixing with a gasoline base fuel, from 0.5 to 30 vol.%, based on the overall gasoline composition, of ethyl valerate. The present invention further provides a gasoline composition comprising a gasoline base fuel, from 0.5 to 30 vol.%, based on the overall gasoline composition, of ethyl valerate, and from 0.1 to 10 vol.%, based on the overall gasoline composition, of a 03^4 hydrocarbon component, and a method for controlling the vapour pressure of a gasoline composition comprising admixing with a gasoline base fuel, from 0.5 to 30 vol.%, based on the overall gasoline composition, of ethyl valerate, and from 0.1 to 10 vol.%, based on the overall gasoline composition, of a 03-4 hydrocarbon component. The present invention further provides a method of operating a spark-ignition internal combustion engine, which method involves introducing into a combustion chamber of the engine a gasoline composition of the present invention.
    • 本发明提供一种降低汽油组合物的蒸气压的方法,其包括与汽油基燃料混合,基于总汽油组成为0.5-30体积%的戊酸乙酯。 本发明还提供一种汽油组合物,其包含汽油基燃料,基于总体汽油组成为0.5-30体积%,戊酸乙酯,和基于总体汽油组成的0.1至10体积% 一种03/4烃成分,以及一种用于控制汽油组合物的蒸气压的方法,包括与汽油基燃料混合,基于总汽油组成为0.5-30体积%的戊酸乙酯,和从0.1至 10体积%,基于总体汽油组成,为03-4烃组分。 本发明还提供一种操作火花点火式内燃机的方法,该方法包括将本发明的汽油组合物引入发动机的燃烧室。