Abstract:
A lubricating oil composition for internal combustion engines, containing a base oil, (A) at least one compound selected from disulfide compounds represented by the following general formula (I): R1OOC-A1-S—S-A2-COOR2 (I) and disulfide compounds represented by the following general formula (II): R7OOC—CR9R10—CR11(COOR8)—S—S—CR16(COOR13)—CR14R15—COOR12 (II), (B) an organomolybdenum compound, and (C) a phenol-based antioxidant and/or an amine-based antioxidant. The lubricating oil composition is a low ash, low phosphorus lubricating oil composition which is used for internal combustion engines such as gasoline engines, diesel engines and gas engines, which has improved oxidation stability and friction reducing effect, and which complies with environmental regulations.
Abstract:
The invention provides a lubricating oil additive for internal combustion engines which additive enables to prepare a lubricating oil composition for internal combustion engines having an enhanced base number without impairing the performance of an exhaust gas treatment apparatus such as a PM trap or an oxidation catalyst member; a lubricating oil additive composition for internal combustion engines; and a lubricating oil composition for internal combustion engines containing the lubricating oil additive composition. The invention is directed to a lubricating oil additive composition for internal combustion engines including a succinimide compound represented by formula (1): (wherein R1 represents a C6-C30 alkenyl group or alkyl group; each of R7, R8, R9, and R10 represents hydrogen or a C1-C3 alkyl group; q is an integer from 2 to 4; n is an integer from 0 to 3; r is an integer from 2 to 4; and A represents an amino group or an N-piperazyl group), or a boron-introduced product thereof; and to use thereof.
Abstract:
Isoxazole derivatives of the formula (I), ##STR1## and herbicides containing the above isoxazole derivatives as active ingredients, which can selectively control grass weeds and broad-leaved weeds simultaneously at a low dosage as a single herbicide, without causing phytotoxicity on corn, sorgo, cotton, wheat and barley.
Abstract:
Provided is a lubricating oil composition of an environmental regulation compliant type, comprising (A) a base oil for a lubricating oil, (B) sulfated oxymolybdenum dithiocarbamate, (C) an acid amide compound, (D) (d1) a fatty acid partial ester compound and/or (d2) an aliphatic amine compound and (E) a specific benzotriazole derivative, wherein a content of the component (B) is 0.02 to 0.1% by mass in terms of molybdenum; a content of the component (C) is 0.2 to 1.0 % by mass; a content of the component (D) is 0.2 to 1.0% by mass; and a content of the component (E) is 0.02 to 0.1% by mass each based on the whole amount of the composition, and it has an excellent friction reducing effect in combination with a high corrosion preventing effect to copper and lead.
Abstract:
A lubricating oil composition for internal combustion engines, containing a base oil, (A) at least one compound selected from disulfide compounds represented by the following general formula (I): R1OOC-A1-S—S-A2-COOR2 (I) and disulfide compounds represented by the following general formula (II): R7OOC—CR9R10—CR11(COOR8)—S—S—CR16(COOR13)—CR14R15—COOR12 (II), (B) an organomolybdenum compound, and (C) a phenol-based antioxidant and/or an amine-based antioxidant. The lubricating oil composition is a low ash, low phosphorus lubricating oil composition which is used for internal combustion engines such as gasoline engines, diesel engines and gas engines, which has improved oxidation stability and friction reducing effect, and which complies with environmental regulations.
Abstract:
Provided is a lubricating oil composition comprising a base oil for a lubricating oil, (A) a fatty acid partial ester compound, 0.5 to 1.5% by mass of (B) (b1) an aliphatic amine compound and/or (b2) an acid amide compound, 0.01 to 0.1% by mass of (C) a specific benzotriazole derivative and a specific amount of (D) a specific succinimide compound. It is a lubricating oil composition of an environmental regulation compliant type which is used for internal combustion engines such as gasoline engines, diesel engines, engines using dimethyl ether for fuel, gas engines and the like, which does not contain Mo base friction reducing agents and is reduced in ash, phosphorus and sulfur and in which a friction reducing effect, an oxidation stability and a corrosion inhibiting effect are enhanced.
Abstract:
The present invention provides a lubricating oil composition capable of achieving a lubricating property, a thermal stability, an oxidation stability, an anti-discoloring property and an anti-varnishing performance with a higher level by compounding a phosphorus compound having a specific structure in a base oil, as well as a lubricating oil composition for internal combustion engines which is excellent in wear resistance, high-temperature detergency and base number retention property although it has a low phosphorus content, a low sulfur content and a low sulfated ash content.
Abstract:
A lubricating oil composition used in an internal combustion engine is provided. The internal combusting engine uses a fuel that contains at least one fat and oil selected from a group consisting of natural fat and oil, hydrotreated natural fat and oil, transesterified natural fat, and oil and hydrotreated transesterified natural fat and oil. The lubricating oil composition includes: base oil of lubricating oil; a component (A) containing a boron derivative of an alkyl or alkenyl-substituted succinimide compound having a number average molecular weight of 200 to 5000; and a component (B) containing an alkaline earth metal-based detergent. The component (A) is contained by 0.01 to 0.2 mass % in terms of boron of a total amount of the composition while the component (B) is contained by 0.35 mass % or less in terms of the alkaline earth metal of the total amount of the composition.
Abstract:
The present invention relates to cyclohexanedione derivatives or salts thereof and herbicides containing the cyclohexanedione derivatives and/or salts thereof as active ingredients, the cyclohexanedione derivatives having the general formula (I). ##STR1## The cyclohexanedione derivatives or the salts thereof can selectively control a broad range of upland soil weeds at a low dosage without causing phytotoxicity on crops cultivated in upland fields such as corn, in both upland pre-emergence and post-emergence treatments.
Abstract:
Cyclohexanedione derivatives which can selectively control a broad range of upland soil weeds at a low dosage without causing phytotoxicity on crops cultivated in upland fields such as corn or salts thereof, and herbicides containing the cyclohexanedione derivatives and/or salts thereof as active ingredients, the cyclohexanedione derivatives having the general formula (I), ##STR1## wherein symbols are as defined in the specification.