By comparing the physicochemical properties of three monomer cement grinding aids: triethanolamine (TEA), triisopropanolamine (TIPA) and diethanol monoisopropanolamine (DEIPA), production methods and their aid to cement grinding and cement Different effects of performance, and analysis of possible ccauses and mechanisms of impact, and forecast their market development prospects.

Diethanol monoisopropanolamine was produced in the 1990s and is a non-toxic, skin-irritating product that is less irritating to triethanolamine and environmentally friendly alkanamines. It is mainly used as a surfactant. In the fields of cement grinding aids, daily chemical products and fabric softe

The additive has a good complexing effect in an alkaline environment and can effectively promote the dissolution of dense mineral components in the surface layer of the steel slag. Again, the dissolution rate of the mineral components under the continuous complexation of the polyol amine in the steel slag. Continuous increase, which can increase the hydration rate of steel slag, improve the role of steel slag activity in all ages. The addition amount of the admixture is 0.005%-0.012% by weight of the steel slag, and the activity on the 7th day and the activity on the 28th day can be increased by 11%-15%.

The grinding characteristics of DEIPA in Portland cement grinding were studied. The effect of DEIPA on the grinding process and the comprehensive properties of the powder was investigated. The results showed that DEIPA promoted the grinding process of cement. The grinding time of the cement is shortened; the content of fine particles smaller than 5 μm is reduced, and the particle size distribution is changed. DEIPA increases the particle uniformity and roundness of the grinding sample, improves the agglomeration of the particles, and reduces the angle of repose of the cement powder. The powder refraction angle with 0.015% DEIPA was reduced from 41.5° (reference) to 36.5°.The DEIPA as portland cement admixutres have good advantages in cement grinding and increase cement 28 days strength.

For the chemical industry, it is a further strengthening of the security guarantee. Small and medium sized chemical enterprises have the behavior of illegal operation more or less, do not carry out coercive measures, in the work process, hurt can only be the chemical people themselves.

At present, there are about 200 companies that produce cement grinding aids in China . According to market survey statistics, the annual production of various grinding aids in China was approximately 1.5 million tons in 2014. Among them, the proportion of grinding aids that play a role in pure grinding and production lifting is relatively small, and various types of multifunctional grinding aids are used. Production accounts for more than 85% of the share. The multi-functional development of grinding aids （main TIPA,DEIPA）has become an urgent demand for users of cement companies. The important role of multifunctional grinding aids is shown in the following aspects:

Diethanolisopropanolamine (C7H17N03), another name is N,N-BIS(2-HYDROXYETHYL)ISOPROPANOLAMINE and short name is DEIPA. It is colorless or yellowish transparent viscous liquid. Diethanolisopropanolamine was produced in the 1990s. It is mainly used in surfactant, cement grinding acid, daily cosmetics and fabric softener. Production and consumption are mainly concentrated in China, the United States, South Korea, India, Europe and so on.

At present, there are three main routes for the synthesis of two ethanol Diethanolisopropanolamine (DEIPA). First, ammonia is reacted with ethylene oxide (EO) and propylene oxide (PO) separately; Second, it is generated by reaction of isopropanol amine (MIPA) and EO;

GRINDING AIDS to improve performance and promote cost efficiency of cement manufacture. Used as per permitted by local Cement Standards between 0.01% and 0.30%.Formulated chemical products.Usually in liquid form.Usually added to the mill fresh feed (clinker conveyor belt) or directly inside the mill

Today 24th Jan 2018(Eighth day of the twelfth lunar month) is chinese day which eating porridge mixed with different rice grain etc.