Overview of 12-Hydroxy Lithium Stearate Grease
Lithium grease is made of natural fatty acid (stearic acid or 12-hydroxystearic acid) lithium soap, thickened medium viscosity mineral lubricating oil or synthetic lubricating oil as raw materials, while synthetic lithium grease is made of synthetic fatty acid lithium soap. The raw material is a thickening medium-viscosity mineral lubricating oil.
Lithium 12-hydroxystearate is a white powdery industrial product, which can be obtained by directly reacting 12-hydroxystearic acid with equimolar lithium hydroxide monohydrate. Can be used to prepare various greases.
Application of Lithium 12-Hydroxystearate Lithium Grease
Domestic and foreign lithium composite technology has achieved rapid development in the 1990s in China. The industrialized production is mainly composed of lithium salt containing C9～C10 dibasic acid, boric acid or salicylic acid and lithium 12-hydroxystearate, any of which Lubricating grease produced by the two-component or three-component compound. Add lithium 12-hydroxystearate, lithium azelate or lithium sebacate and lithium borate and lithium salicylate to the base oil. The two-step saponification process is used to control the temperature and time of the one-step compound saponification, the temperature of the two-step alkali addition, the temperature and time of the compound co-crystallization, and the control of the maximum temperature. Leakage, high temperature bearing life, excellent comprehensive performance, can meet the high temperature environment equipment lubrication and high temperature centralized pumping lubrication. The composite lithium-based grease of the present invention is a high-temperature grease, and its dropping point is not lower than 260°C. Its outstanding advantages are good adhesion, excellent high-temperature anti-leakage performance, and outstanding high-temperature bearing life at 160°C. Compared with polyurea grease, it has the advantage of not hardening at high temperature. Compared with ordinary two-component or three-component lithium complex, it has adhesion, excellent high-temperature anti-leakage performance, and outstanding high-temperature bearing life.
A lithium-based grease composition and a preparation method thereof. A special high acid value mineral base oil is used for saponification to prepare lithium-based grease. Put the high acid value mineral base oil into the kettle, add 12-hydroxy stearate soap and lithium stearate soap, stir and heat up; when the temperature rises to 210~220℃, keep the temperature and stir for 1~5min; The base oil is put into the kettle to quickly cool the material, and the additives are added when the temperature reaches 140-150°C; the stirring is evenly discharged out of the kettle; the finished product is obtained after grinding with a three-roll mill. The lubricating grease of the present invention rationally utilizes the existing domestic base oil resources, replaces the use of naphthenic acid raw materials, and significantly reduces the production cost of the lubricating grease. The lubricating grease of the present invention not only has good mechanical stability and colloidal stability, but also can effectively improve the friction and wear conditions during the operation of mechanical equipment and has good lubricating performance. The grease produced by the invention can be used for the lubrication of automobiles, engineering machinery and other mechanical equipment.
12-Hydroxy Lithium Stearate Lithium Grease Price
The price of lithium 12-hydroxystearate lithium grease will vary randomly with the production cost, transportation cost, international situation, and the market supply and demand of lithium 12-hydroxystearate lithium grease. Tanki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for lithium 12-hydroxystearate grease, please feel free to send an inquiry to get the latest price. Lithium 12-hydroxystearate grease.
Lithium 12-Hydroxystearate Lithium Grease Supplier
As a global supplier of lithium 12-hydroxystearate lithium grease, Tanki New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced engineering materials. The company has successfully developed a series of powder materials (molybdenum disulfide MoS2, tungsten disulfide WS2, boron nitride BN, boron nitride), high-purity targets, functional ceramics and structural devices, and provide OEM services.
Properties of Lithium 12-Hydroxystearate
Compound Formula | C18H35LiO3 |
CAS No. | 7620-77-1 |
EC No. | 231-536-5 |
Molecular Weight | 306.4 |
Melting Point | 220℃ |
Exact Mass | 306.27 g/mol |
Solubility in H2O | Slightly soluble |
Monoisotopic Mass | 306.27 g/mol |
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