Abstract:
Petroleum additive formulations include a petroleum additive dissolved in a carrier fluid including at least one compound of the formula (I): (R2)p-Ph-(CH2)m—COO—(AO)n—R1 where; R1 is C1 to C10 alkyl; AO is alkyleneoxy; n is 0 or from 1 to 100; m is 0, 1 or 2; and Ph is a phenyl group, which may be substituted with groups (R2)p; where each R2 is independently C1 to C4 alkyl or alkoxy; and p is 0, 1 or 2. Further, crude petroleum or petroleum refinery streams can be treated by adding a petroleum additive dissolved in a carrier fluid of the formula (I) to the product stream. Desirably the carrier fluid is or includes iso-propyl benzoate and/or 2-ethyl hexyl benzoate.
Abstract:
An additive for improving the lubricity of fuel oils having a maximum sulfur content of 0.035% by weight, comprising A) at least one partial ester composed of a di- or polyhydric alcohol and unsaturated and optionally also saturated fatty acids whose carbon chain lengths are between 8 and 30 carbon atoms, at least 60% of the fatty acid radicals containing at least one double bond, and B) at least one alkylphenol-aldehyde resin, obtainable by the condensation of (i) at least one alkylphenol having at least one C6-C24-alkyl or C6-C24-alkenyl radical and (ii) at least one aldehyde or ketone, to a degree of condensation of between 2 and 50 alkylphenol units.
Abstract:
An additive composition comprises at least one colloidal metal compound or metallic species and a stabilising component, wherein the stabilising component comprises the product obtainable by the condensation reaction between: (i) at least one aldehyde or ketone or reactive equivalent thereof, and (ii) at least one compound comprising one or more aromatic moieties bearing at least one hydroxyl group and at least one further substituent chosen from a hydrocarbyl group, —COOR1 or COR1, wherein R1 represents hydrogen or a hydrocarbyl group. The composition may further include at least one lubricity enhancer. Compositions of the invention tend to resist haziness, cloudiness and phase separation at relatively low and relatively high temperatures, and in the presence of lubricity enhancers and fatty acid methyl esters (FAME).
Abstract translation:添加剂组合物包含至少一种胶体金属化合物或金属物质和稳定组分,其中稳定组分包括通过以下之间的缩合反应获得的产物:(i)至少一种醛或酮或其反应性等同物,和(ii) 至少一种包含一个或多个带有至少一个羟基的芳族部分和至少一个选自烃基-COOR 1或COR 1的其它取代基的化合物,其中 R 1表示氢或烃基。 组合物还可以包括至少一种润滑性增强剂。 本发明的组合物倾向于在相对较低和相对高的温度下以及在润滑性增强剂和脂肪酸甲酯(FAME)的存在下抵抗雾度,混浊和相分离。
Abstract:
A jet fuel additive concentrate composition comprises a solvent and a combination of components. A fuel composition and methods to improve thermal stability of a jet fuel and to reduce deposits in a jet engine include the jet fuel additive concentrate composition. The improvement in the thermal stability of a jet fuel is synergistic when the combination of components includes a cold-flow improving composition.
Abstract:
The invention provides fuel oils comprising a major proportion of a mixture of A) a middle distillate fuel oil and B) a biofuel oil, and also a minor proportion C) of an oil-soluble, crosslinked block copolymer composed of C2- to C4-alkylene oxides.
Abstract translation:本发明提供燃料油,其包含主要部分A)中间馏分燃料油和B)生物燃料油的混合物,以及较小比例的C)油溶性交联的嵌段共聚物,其由C 2 C 4 - 亚烷基氧基。
Abstract:
In a method of operating an internal combustion engine, an antioxidant composition is introduced into a combustion chamber of the engine. The antioxidant composition contains (A) a sterically hindered phenol; (B) an alkylene or alkylidene coupled sterically hindered phenol oligomer; (C) a secondary aromatic amine; (D) a reaction product of a hydrocarbyl-substituted hydroxy-containing aromatic compound, an aldehyde, and a carboxyl-substituted phenol; or (E) a mixture thereof. The method improves the performance of a lubricating oil of the engine.
Abstract:
The invention therefore provides an additive for improving the cold flow performance of middle distillates, comprising I) at least one paraffin dispersant which is a derivative of a fatty amine, II) at least one block copolymer of the structure (AB)nA or (AB)m, where A represents blocks which are composed of olefinically unsaturated, aromatic monomers, and B represents blocks which are composed of structural elements based on polyolefins and are capable of cocrystallizing with the paraffins precipitating out of the middle distillate in the course of cooling, and n is a number in the range from 1 to 10 and m is a number in the range from 2 to 10.
Abstract:
The invention relates to fuel oils comprising a larger proportion of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight, and also a smaller proportion of at least one copolymer of ethylene and vinyl esters, said copolymer containing a) bivalent structural units derived from ethylene of the formula 1 nullCH2nullCH2nullnullnull(1) b) from 5 to 12 mol % of bivalent structural units of the formula 2 1 where R1 is saturated, branched C5-C18-alkyl, and c) from 4 to 13 mol % of bivalent structural units of the formula 3 2 and the sum of the molar proportions of structural units of the formulae 2 and 3 being between 12 and 16 mol %, to the corresponding polymers, and also to their use for improving the cold flow behavior of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight.
Abstract:
The present invention provides a continuous process for preparing additive mixtures for mineral oils and mineral oil distillates, comprising A) a cold flow improver for middle distillates, and at least one further component selected from B) and C): B) a further cold flow improver, C) an organic solvent, which comprises mixing cold flow improver and optionally solvent by means of a static mixer, the temperature of the additive mixture at the outlet of the static mixer being from 0null C. to 100null C.
Abstract:
A novel aviation fuel characterized by having a low freeze point (typically no higher than −40° C.) comprising a mixture of an aviation fuel and a compound selected from at least one member of the group consisting of (1) the reaction product of an alkanol amine with a hydrocarbyl-substituted acylating agent wherein the hydrocarbyl group comprises a substantially linear alkyl or alkenyl group containing an average of about 8 to about 50 carbon atoms; or (2) the reaction product of (a) substantially linear hydrocarbyl-substituted phenol wherein the hydrocarbyl substituent contains an average of about 8 to about 40 carbon atoms with an aldehyde or a source thereof having between 1 to 10 carbon atoms; or (3) aromatic moieties containing from about 1 to 3 aromatic rings wherein the aromatic moieties contains up to three substituents hydrocarbyl substantially linear constituents having from about 1 to 50 carbon atoms and the aromatic moieties are coupled by alkylene groups having 1 to 100 carbon atoms; or (4) an ethylene vinyl acetate copolymer having a number average molecular weight of between about 2,500 to 10,000 with a mole percent ethylene to vinyl acetate ratio of between about 65:35 to 85:15.