Complex grease additive

A grease additive and dispersant technology, which is applied in the direction of additives, lubricating compositions, thickeners, etc., can solve the problem of grease anti-wear performance, limit working ability effect is not obvious, grease improvement has not made substantial progress, graphite Add problems such as weak functionality to achieve the effect of improving the limit working capacity, simple manufacturing process and low cost
CN101353606AInactive Publication Date: 2009-01-28威海橡胶化工进出口有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
威海橡胶化工进出口有限公司
Publication Date
2009-01-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a compound grease additive, which is characterized by including graphite, a base oil, a dispersing agent, a thickening agent and an extreme pressure antiwear additive, and the composition of the raw materials by weight percentage is as follows: 20 to 50 percent of the graphite, 1 to 10 percent of the dispersing agent, 5 to 10 percent of the thickening agent, 10 to 30 percent of the extreme pressure antiwear additive, and the residue is base oil; the sum of the component percentage of all the raw materials is equal to 100 percent. The compound grease additive of the invention has low cost, can obviously enhance the functionalities of abrasion resistance and ultimate working capacity, etc., obviously reduce the usage amount of the grease, prolong the service cycle of the grease, and is environment-friendly.
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Description

technical field

[0001] The invention relates to an additive, more specifically, to a composite additive for lubricating grease, that is, a composite grease additive. Background technique

[0002] Grease is a plastic lubricant composed of one or more thickeners and one or more lubricating liquids. When the load is low, the grease presents a solid property, and at a certain critical load, the grease begins to deform plastically; after the load is removed, the grease returns to a solid property.

[0003] In order to improve the performance of lubricating grease, various additives can be added to improve the properties of anti-wear, anti-oxidation, anti-corrosion, anti-rust, pressure resistance, radiation resistance, water resistance and so on. For example, it has been reported that graphite is used as a grease additive, but the functionality of pure graphite addition is weak, and no substantial progress has been made in the improvement of grease.

[0004] Although some other ...

Claims

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