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Lubricant Additive Component Improve Equipment Performance And Save Energy Oct 11, 2017

With the development of industrial technology, modern equipment requires high speed, high performance, high automation, high efficiency and long life,Lubricant Additive Component in the lubrication of pure mineral oil lubrication material has been difficult to meet. Adding a small amount of other material to the lubricant can improve its performance and give it new features. These substances are called lubricants additives.

Adding different additives to oil is the most economical and effective way to improve oil quality. Generally speaking, the variety of lubricants, quality is often depends on the quality of additives and quality, and thus the development of additives production and use,Lubricant Additive Component has become a reasonable and effective use of resources, improve equipment performance and energy conservation is an important way.

Lubricant additives can be divided into detergents and disperse Jing, anti-oxidant preservatives, extreme pressure antiwear agent, oily agent and friction improved Jing, antioxidant and metal deactivator, viscosity index improver, rust inhibitor, Pour point depressants,Lubricant Additive Component anti-foaming agents and other groups. Each group has a name and chemical code for the name of the additive. Commonly used lubricating oil additive

1, viscosity index improver

Viscosity index modifier, also known as tackifier or viscosity agent, its output after the clean dispersant. The viscosity index improver is an oil-soluble chain polymer, whose molecular weight varies from tens of thousands to several million.

Viscosity index improver dissolved in the lubricating oil, at low temperature when they exist in the filament, the viscosity of the oil has little effect,Lubricant Additive Component with the oil temperature increases, silk roll stretch, the effective volume increases, the flow of lubricants Resistance increases, resulting in a relatively significant increase in the viscosity of lubricating oil.

Since the viscosity index improver has different shapes at different temperatures and has different effects on viscosity, it can increase the viscosity and improve the viscosity-temperature performance. Therefore, the viscosity index improver is mainly used to improve the viscosity index of lubricating oil, improve the viscosity-temperature performance, Viscosity. Viscosity index improver can be used to prepare thickened oil, so that the preparation of oil has excellent viscosity-temperature performance,Lubricant Additive Component so that the low temperature start-up oil, low fuel consumption and a certain anti-wear effect.

Viscosity index improvers are widely used in internal combustion engine oil, mainly for the production of multi-stage gasoline and diesel oil, and hydraulic oil and gear oil to use. Commonly used viscosity index improvers are: polyisobutylene, polymethacrylate, ethylene / propylene copolymer, styrene and diene copolymers and polyethylene n-butyl ether.

2, oily and extreme pressure anti-wear agent

(1) extreme pressure anti-wear additives refers to the high temperature, high pressure boundary lubrication, and metal surface can form a high melting point chemical reaction film to prevent the occurrence of sintering, bite, scratches the additive. Its role is to decompose the product at the friction temperature can react with the metal to produce shear stress and melting point than pure metal compounds, so as to prevent contact with the surface of the bite and welding, effectively protect the metal surface. Extreme anti-wear agent is mainly used for industrial gear oil, hydraulic oil, rail oil, cutting oil and other extreme requirements of the lubricating oil to improve the extreme pressure anti-wear properties of oil.

Extreme anti-wear agent is generally divided into organic sulfide, phosphide, chloride,Lubricant Additive Component organic metal salt and borate type extreme pressure anti-wear agent. The main varieties of extreme pressure grinding agent are: chlorinated paraffin, acid dibutyl phosphite, thiophosphoric acid nitrogen derivatives, tricresyl phosphate, sulfurized isobutylene, dibenzyl disulfide, lead naphthenate, borate The

(2) Any additives that can use oil to increase the oil film strength, reduce the friction coefficient, improve the wear resistance, reduce the friction and wear between the moving parts are called oily agent.

 Oily agent is a surfactant, one end of the molecule with a polar group, the other end of the oil-soluble hydrocarbon groups. The substance containing this polar group has a strong affinity for the metal surface, which is firmly adhered to the metal surface,Lubricant Additive Component forming a protective film similar to the cushion between the metals, preventing the direct contact of the metal surface , Reduce friction and wear.

Oily agents have a high interfacial activity, they produce physical adsorption or chemical adsorption on the metal surface. Physical adsorption is reversible,Lubricant Additive Component in the lower temperature, the load is small, the physical adsorption play a role; in high temperature and high load adsorbent desorption and loss of role. Fatty acid type of oily agent in addition to physical adsorption, there are chemical adsorption, at a lower temperature and metal surface to generate metal soap, improve wear resistance.