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Lubricating grease composition for generators and preparation method of lubricating grease composition
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A grease composition and a generator technology, applied in the field of grease, can solve problems such as failure to meet the lubricating requirements of dimethyl ether engines, corrosion of engine inlet and exhaust ports, damage to engine parts, etc., and achieve good protection and extended use. The effect of long life and high temperature resistance
Inactive Publication Date: 2015-02-18
WUXI FEITIAN GREASE
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Problems solved by technology
However, the lubricating performance required by dimethyl ether engines is relatively harsh. Existing common gas engine lubricating oils, such as the "Great Wall" gas engine lubricating oil launched by Sinopec Lubricating Oil Company, will cause certain damage to engine parts when reducing gas combustion. Although it can provide sufficient lubrication protection for the engine, it is easy to cause corrosion of the intake and exhaust ports of the engine, so it cannot meet the lubrication requirements of the DME engine.
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Embodiment 1
[0026] (1) Weigh 70kg of polyalphaolefin, 8kg of dienyl succinimide, 1.5kg of sodium thiosulfate, 0.3kg of N,N-propylenediamine disalicylate, and 0.6kg of benzotriazole , 3kg of sodium dodecylsulfonate and 0.5kg of phenothiazine were added to the reaction kettle, stirred and heated to 180°C, stirred at constant temperature for 1 hour, and then stopped heating;
[0027] (2) At a stirring rate of 300 rpm, add 5 kg of neutral barium dinonyl naphthalenesulfonate and 2 kg of carbon black to the product of step 1 in sequence, and knead until uniform to obtain grease composition.
[0028] The performance test results of the prepared lubricating grease composition for generators are shown in Table 1.
Embodiment 2
[0030] (1) Weigh 85kg of 100# engine oil, 20kg of dienyl succinimide, 2.5kg of sodium thiosulfate, 0.9kg of propylenediamine N,N-disalicylate, 1.8kg of benzotriazole, Add 0.5kg of sodium dodecylsulfonate and 2kg of phenothiazine into the reaction kettle, stir the reaction and heat to 175°C, stir at constant temperature for 1 hour, and stop heating;
[0031] (2) At a stirring rate of 500 rpm, add 11 kg of neutral barium dinonylnaphthalenesulfonate and 2 kg of carbon black to the product in step 1 in sequence, and knead until uniform to obtain machine grease composition.
[0032] The performance test results of the prepared lubricating grease composition for generators are shown in Table 1.
Embodiment 3
[0034] (1) Weigh 80kg of 100# engine oil, 16kg of dienyl succinimide, 2kg of sodium thiosulfate, 0.7kg of propylenediamine N,N-disalicylate, 1.4kg of benzotriazole, ten Add 2.5 kg of sodium dialkylsulfonate and 1.5 kg of phenothiazine into the reaction kettle, stir the reaction and heat to 175°C, stir at constant temperature for 1 hour, and stop heating;
[0035] (2) At a stirring rate of 400 rpm, add 6 kg of neutral barium dinonyl naphthalene sulfonate and 3 kg of carbon black to the oil kneader in sequence to the product of step 1, knead until uniform, and obtain grease composition.
[0036] The performance test results of the prepared lubricating grease composition for generators are shown in Table 1.
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Abstract
The invention discloses lubricating grease composition for generators and a preparation method of the lubricating grease composition. The lubricating grease composition is prepared by components in parts by weight as follows: 70-85 parts of base oil, 8-20 parts of dialkenyl succinimide, 5-11 parts of neutral barium dinonyl naphthalenesulfonate, 2-5 parts of carbon black, 1.5-2.5 parts of sodiumthiosulfate, 0.9-2.7 parts of a metal deactivator, 0.5-3 parts of sodiumdodecyl sulfate and 0.5-2 parts of phenothiazine. The method comprises steps as follows: (1) weighing and adding 70-85 parts of the base oil, 8-20 parts of the dialkenyl succinimide, 1.5-2.5 parts of the sodiumthiosulfate, 0.9-2.7 parts of the metal deactivator, 0.5-3 parts of the sodium dodecyl sulfate and 0.5-2 parts of the phenothiazine to a reaction kettle, stirring the components for reaction, heating the mixture to the temperature of 175-180 DEG C, stirring the mixture at the constant temperature for 1 h, and stopping heating; (2) sequentially adding 5-11 parts of the neutral barium dinonyl naphthalenesulfonate and 2-5 parts of the carbon black to products in step (1) while stirring, and adding the mixture to a grease kneader for even kneading to obtain the lubricating grease composition.
Description
technical field [0001] The invention belongs to the field of lubricating grease, in particular to a lubricating grease composition for generators and a preparation method thereof. Background technique [0002] As a type of transportation that is often used in people's lives, automobiles not only provide convenience for people to travel, but are also undergoing a period of vigorous development. Lubricating grease materials for automobiles not only require good water resistance, low temperature and wear resistance, but also It needs to have good rubber compatibility and long life, high temperature resistance and low temperature resistance. [0003] Efforts are continually being made to improve fuel economy in internal combustion engines and vehicles powered by them. One way to improve fuel economy is to reduce the internal friction in the engine itself. This is achieved by choosing the right lubricant to reduce friction, allowing the various parts of the engine to run more s...
Claims
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Application Information
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