Poly(oxyalkylene) hydroxy and amino aromatic carbamates and fuel
compositions containing the same
    151.
    发明授权
    Poly(oxyalkylene) hydroxy and amino aromatic carbamates and fuel compositions containing the same 失效
    聚(氧化烯)羟基和氨基芳族氨基甲酸酯和含有它们的燃料组合物

    公开(公告)号:US5484463A

    公开(公告)日:1996-01-16

    申请号:US236737

    申请日:1994-05-02

    Abstract: Poly(oxyalkylene) hydroxy and amino aromatic carbamates having the formula: ##STR1## or a fuel-soluble salt thereof; wherein X is hydroxy or amino;R is hydrogen or lower alkyl having 1 to 6 carbon atoms;R.sub.1 and R.sub.2 are each independently hydrogen, hydroxy, lower alkyl having 1 to 6 carbon atoms, lower alkoxy having 1 to 6 carbon atoms, nitro, amino, N-alkylamino wherein the alkyl group contains 1 to 6 carbon atoms, or N,N-dialkylamino wherein each alkyl group independently contains 1 to 6 carbon atoms;R.sub.3 and R.sub.4 are each independently hydrogen or lower alkyl having 1 to 6 carbon atoms;R.sub.5 is hydrogen, alkyl having 1 to 30 carbon atoms, phenyl, aralkyl or alkaryl having 7 to 36 carbon atoms, or an acyl group having the formula: ##STR2## wherein R.sub.6 is alkyl having 1 to 30 carbon atoms, phenyl, or aralkyl or alkaryl having 7 to 36 carbon atoms;and n is an integer from 5 to 100.The poly(oxyalkylene) hydroxy and amino aromatic carbamates of formula I are useful as fuel additives for the prevention and control of engine deposits.

    Abstract translation: 具有下式的聚(氧化烯)羟基和氨基芳族氨基甲酸酯或其燃料可溶性盐; 其中X是羟基或氨基; R是氢或具有1至6个碳原子的低级烷基; R 1和R 2各自独立地为氢,羟基,具有1至6个碳原子的低级烷基,具有1至6个碳原子的低级烷氧基,硝基,氨基,N-烷基氨基,其中所述烷基含有1至6个碳原子,或N,N 二烷基氨基,其中每个烷基独立地含有1至6个碳原子; R 3和R 4各自独立地为氢或具有1至6个碳原子的低级烷基; R5是氢,具有1至30个碳原子的烷基,具有7至36个碳原子的苯基,芳烷基或烷芳基,或具有下式的酰基:其中R 6是具有1至30个碳原子的烷基,苯基或芳烷基 或具有7至36个碳原子的烷芳基; 并且n为5至100的整数。式I的聚(氧化烯)羟基和氨基芳族氨基甲酸酯可用作预防和控制发动机沉积物的燃料添加剂。

    Motor fuels
    159.
    发明授权
    Motor fuels 失效
    电机燃料

    公开(公告)号:US3563715A

    公开(公告)日:1971-02-16

    申请号:US3563715D

    申请日:1958-07-15

    Applicant: CHEVRON RES

    Abstract: 1. A KNOCK-RESISTANT LEADED GASOLINE COMPOSITION FOR USE IN SPARK IGNITION ENGINES, SAID COMPOSITION COMPRISING (1) GASOLINE CONTAINING PARAFFINIC HYDROCARBON CONTENT OF NOT MORE THAN 95% BY VOLUME AND A MINIMUM RESEARCH OCTANE NUMBER OF ABOUT 90; (2) A LEAD AKYL ANTIKNOCK ADDITIVE IN AN AMOUNT FROM ABOUT 0.5 TO ABOUT 6.0 CC. PER GALLON OF SAID GASOLINE; AND (3) A SMALL AMOUNT, SUFFICIENT TO EXTEND TO ANTIKNOCK EFFECT OF LEAD IN SAID GASOLINE, OF A GASOLINE-DISPERSIBLE, NON-CORROSIVE TERTIARY ALCOHOL ESTER OF A MONOCARBOXYLIC ACID CONTAINING ONLY CARBON, HYDROGEN AND OXYGEN IN ITS MOLECULAR STRUCTURE, SAID ESTER BEING INERT WITH RESPECT TO LEAD ALKYLS AT TEMPERATURES UP TO ABOUT 40*C., BEING PRESENT IN SAID LEADED GASOLINE IN A CONCENTRATION FROM ABOUT 3 TO ABOUT 60 MOLES PER GRAM-ATOM OF LEAD IN THE GASOLINE.

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