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1, It is used as emulsifier, humectant, humidifier, thickener, pH balancer in cosmetics (including skin wash, eye gel, moisturizer, shampoo, etc.). It is used in cosmetic formulations to neutralize with fatty acids to form soap and with sulfated fatty acids to form amine salts. Triethanolamine is a commonly used emulsifier in cream preparations. The cream products emulsified with triethanolamine have the characteristics of fine cream and bright white cream, and the colloidal phase formed by triethanolamine and advanced fatty acids or advanced fatty alcohols is stable, the product quality is stable, and the specific gravity of tolerable additive components is high. Triethanolamine is the most commonly used neutralizing agent for acidic polymer gels containing carbomer, etc. Triethanolamine forms a stable polymer structure by neutralizing with the carboxyl group of carbomer to achieve the application effect of thickening and moisturizing.
2. Adding triethanolamine into liquid detergent can improve the removal of oily dirt, especially non-polar sebum, and meanwhile, the decontamination performance can be improved by increasing alkalinity. And it has excellent compatibility.
3, used as curing agent for epoxy resin, reference dosage 12-15 parts (mass fraction), curing conditions 80 ℃ / 4h or 120 ℃ / 2h. It can also be used for natural rubber, synthetic rubber vulcanization activator, nitrile rubber polymerization activator, also used as lubricating oils and anticorrosive additives and so on. The long-chain fatty acid salt of triethanolamine is almost neutral, and it can be used as emulsifier of grease and wax.
4, used as a solution of aluminum ions in the complexing reagent, this reaction is usually in another chelate (such as EDTA can form stable complexes with most metal ions) before the complexation titration for the solution of specific ions in the "mask" (do not make it participate in the titration).
5, triethanolamine and its salt solution as cement clinker (Cement Clinker) grinding process in the engineering additives, early strength agent (0.1% of the total mass), not only can prevent the crushing process of aggregation of particles and air cushion, improve the fluidity of the cement and filling density, but also reduce the power consumption of the crusher. However, the extent to which triethanolamine complexation of heavy metals and radioisotopes in the cement matrix can increase their solubility remains an open question.
6, triethanolamine and oleic acid under high-temperature catalyst conditions to generate the reaction of oleic acid triethanolamine lipid is used in boiler water treatment, automobile engine coolant, drilling and cutting oil agents and other machining industries in the corrosion inhibitor is an important component of the preparation of components, to protect the metal surface, to prevent oxidation.
7, Used as gas chromatography fixed liquid.
8, Used as high efficient chelating agent for various heavy metals.
9, in alkaline zincate galvanization can be complexed with zinc, improve the cathodic polarization of the plating solution, so that the plating layer crystallization is meticulous, the content of high will reduce the deposition rate, low will make the plating layer gray and rough, poor dispersion, the general content of 20-30ml / L. But the viscosity of the triethanolamine is large, so that the upper limit of the plating solution of the current density is reduced.
10, used in the textile industry is a good solvent, hygroscopic agent. It is the raw material of fabric softener.
11, As a purifier of industrial gases, used in exhaust gas treatment as the removal of hydrogen sulfide and carbon dioxide and other acidic gases.
12, Because it can be used to manufacture nitrogen mustard gas, triethanolamine is included in the Chemical Weapons Convention.
13, Others: Pharmaceutical excipients. Can be used as a solvent for casein, shellac, dyes and so on. Can also be used as fiber treatment agent, anticorrosion additives, plasticizers, photographic developer additives, engine carbon prevention agent. Used as plasticizer, neutralizer, lubricant additive or anti-corrosion agent and dispersant for dyes and resins. It can also be used as synthetic surfactant and stabilizer.
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