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。
Abstract:
Mannich condensation products prepared by the condensation of a compound of the formula: ##STR1## wherein R.sub.1 is hydrogen, hydroxy, lower alkyl or lower alkoxy; R.sub.3 and R.sub.4 are independently hydrogen or lower alkyl; R.sub.5 is hydrogen, alkyl, phenyl, aralkyl, alkaryl, or an acyl group of the formula: ##STR2## wherein R.sub.6 is alkyl, phenyl, aralkyl or alkaryl; R.sub.7 is alkyl; u is an integer from 1 to 10; n is an integer from 5 to 100; and x is an integer from 0 to 10;with an aldehyde and a nitrogen base selected from ammonia, lower alkylamine, a polyamine and mixtures thereof.The Mannich condensation products and their fuel soluble salts are useful as fuel additives for the prevention and control of engine deposits.
Abstract:
Additives which improve the low-temperature properties of distillate fuels are the oligomeric/polymeric reaction products of aromatic anhydrides and epoxides (or their corresponding acid/diol equivalents), with optional termonomers.
Abstract:
Mannich condensation products prepared by the condensation of a compound of the formula: ##STR1## wherein R is hydrogen or lower alkyl having 1 to 6 carbon atoms; R.sub.1 is hydrogen, hydroxy, lower alkyl or lower alkoxy; R.sub.3 and R.sub.4 are independently hydrogen or lower alkyl; R.sub.5 is hydrogen, alkyl, phenyl, aralkyl, alkaryl, or an acyl group of the formula: ##STR2## wherein R.sub.6 is alkyl, phenyl, aralkyl or alkaryl; and n is an integer from 5 to 100;with an aldehyde and a nitrogen base selected from ammonia, lower alkylamine, a polyamine and mixtures thereof.The Mannich condensation products and their fuel soluble salts are useful as fuel additives for the prevention and control of engine deposits.
Abstract translation:通过下式化合物缩合制备的曼尼期缩合产物:其中R是氢或具有1至6个碳原子的低级烷基; R1是氢,羟基,低级烷基或低级烷氧基; R3和R4独立地是氢或低级烷基; R 5是氢,烷基,苯基,芳烷基,烷芳基或下式的酰基:其中R 6是烷基,苯基,芳烷基或烷芳基; n为5〜100的整数。 其中醛和氮碱选自氨,低级烷基胺,多胺及其混合物。 曼尼期缩合产物及其燃料可溶性盐可用作预防和控制发动机沉积物的燃料添加剂。
Abstract:
A wax-containing middle distillate, such as diesel fuel, having improved low temperature flow properties comprises three or more components including (A) an oil-soluble ethylene backbone flow improving polymer such as ethylene vinyl acetate copolymer, (B) a hydrocarbyl substituted amine salt and/or amide of a carboxylic acid or anhydride such as phthalic anhydride salts, and (C) a hydrocarbyl substituted amine salt of a derivative of phosphoric acid such as the dihydrogenated tallow amine salt of dialkyldithiophosphoric acid.
Abstract:
A motor fuel for internal combustion engines contains a small amount of an additive comprising(a) a conventional amino- or amido-containing detergent for cleaning, or keeping clean, the intake system and(b) as base oil a mixture of(ba) a polyether based on propylene oxide or butylene oxide and having a molecular weight of not less than 500 and(bb) an ester of a monocarboxylic or polycarboxylic acid and an alkanol or polyol, this ester having a minimum viscosity of 2 mm.sup.2 /s at 100.degree. C.
Abstract translation:用于内燃机的机动车燃料含有少量的添加剂,其包含(a)用于清洁或保持进气系统的常规的含氨基或酰氨基的洗涤剂和(b)作为基础油的混合物(ba) 基于环氧丙烷或环氧丁烷的分子量不小于500的聚醚,(bb)单羧酸或多元羧酸和链烷醇或多元醇的酯,该酯在100℃下的最小粘度为2mm 2 / s DEG C.
Abstract:
Liquid hydrocarbon fuels, especially diesel fuels, are admixed with diesters of oxalic acid to produce liquid hydrocarbon fuel compositions having improved ignition quality and enhanced cetane numbers.
Abstract:
Gasoline compositions and additive mixtures of methanetricarboxylates in amount sufficient to alleviate the plugging of certain catalysts being used in an engine exhaust system to lower the amount of undesirable constituents in exhaust gas from an engine being operated on gasoline containing a cyclopentadienyl manganese antiknock.
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.