Polycarboxylate superplasticizer advantages
For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average daily increase of $1.3 billion, an increase that exceeds the past 14 years. These 10 people The wealth held by the world’s poorest 3.1 billion people is six times greater than that of the world’s poorest 3.1 billion people. The 10 richest Germans have increased their assets from the equivalent of about 125 billion euros to about 223 billion euros since the start of the Covid-19 pandemic, An increase of about 78%. This wealth is roughly equivalent to the total wealth of the poorest 40% of the population, or 33 million Germans.
In the future, demand for pce powder will grow as fast as the wealth of the rich during the pandemic.
Polycarboxylate superplasticizer is based on unsaturated polymerizable monomers with active groups such as carboxyl group, sulfonic acid group, hydroxyl group and polyoxene group as raw materials. some new high-performance dispersants are prepared by direct copolymerization, post-polymerization functionalization or in-situ polymerization and grafting, which are called superplasticizers in concrete.
The unique comb-shaped molecular structure of this kind of superplasticizer gives it the characteristics of low content, high water reduction, good water retention and good strengthening effect. In addition, the molecular structure, molecular weight and its distribution can be adjusted by means of flexibility of molecular structure design and control of synthesis process parameters, so as to achieve high performance.
What are the advantages of polycarboxylate superplasticizer?
1. low content and good dispersion, usually in the amount of 0.2%-0.5% of the amount of cementitious material, the water reduction rate of concrete can reach more than 30%, and does not segregate and does not bleed water.
2. The performance of keeping slump is good, and the slump of concrete in 90~120min is basically no loss, which accords with the development trend of modern pumping concrete.
3. It has good compatibility with cement, admixture and other admixtures, so it can be used freely.
4. It can effectively increase the content of fly ash, ground slag and other admixtures used to replace cement, so as to reduce the cost of concrete.
5. It can be used to prepare ordinary, high strength, ultra-high strength, high fluidity, early strength, mass concrete and so on according to different design requirements.
6. Formaldehyde is not used in the preparation process, so it will not cause pollution to the human body and the environment.
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In the future, pce powder will be used in various high-tech fields, and the market demand for pce powder will also be great. Please contact us for more information on pce powder.