Abstract:
The invention provides a lubricating composition containing an oil of lubricating viscosity and a nitrile compound. The invention further relates to a method of the lubricating an internal combustion engine with the lubricating composition.
Abstract:
Biocidal compositions and their use in aqueous media, such as metalworking fluids, the compositions comprising a biocidal agent; and a non-biocidal primary amino alcohol compound of the formula (I); wherein R1, R2, R3, R4, and R5 are as defined herein.
Abstract:
Die Erfindung betrifft das Gebiet des Maskierens von Mineralölgeruch und das Beduften von Mineralölen. In diesem Zusammenhang betrifft die Erfindung eine Auswahl an besonders geeigneten Riechstoffen zum Maskieren eines Mineralölgeruchs und zum Beduften von Mineralölen. Ferner betrifft die Erfindung Additive sowie entsprechende beduftete Mineralöle selbst, insbesondere Kraftstoffe und Heiz- oder Schmieröle.
Abstract:
A lubricating oil composition comprising base oil, glycerol monooleate and one or more nitrile compounds; and a method of lubricating an internal combustion engine comprising applying said lubricating oil composition thereto.
Abstract:
A method for monitoring degradation of lubricating oils. The method comprises steps of (a) adding to a lubricating oil at least one compound having formula (I)
wherein R 1 and R 2 independently are hydrogen, hydroxy, OR 11 , amino or NR 11 R 12 ; R 3 and R 5 independently are alkyl, aryl, aralkyl, heteroalkyl or heterocyclic; R 4 and R 6 independently are hydrogen or alkyl; R 7 , R 8 , R 9 and R 10 independently are cyano, nitro, amide, carboxyl, ester, alkyl or hydrogen; R 11 is alkyl, aryl, aralkyl, heteroalkyl, heterocyclic or alkanoyl; R 12 is hydrogen or alkyl; provided that said at least one compound of formula (I) has at least one substituent selected from among cyano, nitro, hydroxy, hydroxyalkyl, amide, carboxyl, ester and unsaturated alkyl; and (b) measuring a spectroscopic property of the oil to determine degradation of said at least one compound.
Abstract translation:一种监测润滑油降解的方法。 该方法包括以下步骤:(a)向润滑油中加入至少一种具有式(I)的化合物,其中R 1和R 2独立地是氢,羟基,OR 11,氨基或NR 11 R 12; R 3和R 5独立地是烷基,芳基,芳烷基,杂烷基或杂环基; R 4和R 6独立地是氢或烷基; R 7,R 8,R 9和R 10独立地为氰基,硝基,酰胺,羧基,酯,烷基或氢; R 11是烷基,芳基,芳烷基,杂烷基,杂环或烷酰基; R 12是氢或烷基; 条件是所述至少一种式(I)化合物具有至少一个选自氰基,硝基,羟基,羟烷基,酰胺,羧基,酯和不饱和烷基中的取代基; 和(b)测量油的光谱性质以确定所述至少一种化合物的降解。
Abstract:
A method for marking a liquid petroleum hydrocarbon; said method comprising adding to said liquid petroleum hydrocarbon at least one dye having an unsaturated cyclic nucleus comprising at least nine ring atoms, and having at least one (CN) 2 C= substituent and at least one Ar-N= substituent; wherein Ar is a substituted aryl group.