What is the role of triethanolamine (TEA) in water-based cutting fluid?

First, it can be used to synthesize water-soluble lubricants. At present, most of the oil agents with good lubricating properties are non-water soluble. However, by controlling the ratio of raw materials, the three -OH groups in triethanolamine can chemically react with oiliness agents to produce water-soluble oiliness agents.

Secondly, triethanolamine itself is also a water-soluble rust inhibitor. Using it alone can effectively prevent steel from rusting in the short term. In addition, when used together with borax, sodium carbonate and other anti-rust agents, triethanolamine can also play a synergistic anti-rust effect and significantly improve the anti-rust ability.

Triethanolamine can also be used as a non-ionic surfactant, and the addition of water-based cutting fluid can promote the infiltration and penetration of the cutting fluid, so that it can fully play the cooling and cleaning role.

In addition, triethanolamine can also be used as a formula stabilizer. The oil agent and extreme pressure agent added in the water-based cutting fluid are resolved, thereby reducing the effect of the cutting fluid. However, by adding a small amount of triethanolamine can play a stabilizing role to prevent this precipitation from occurring.

Finally, triethanolamine can also be used as an ideal pH regulator for water-based cutting fluids. In the later stage of production of water-based cutting fluid, by adjusting the pH value of the solution, other additives will not be gelled and precipitated due to changes in pH value.