Superplasticizer for projects

5 month ago

15 0

Shanghai Hongyun New Construction Materials Co., Ltd

 6 month year

Product details

"Although the research, production and application of concrete admixtures in our country have made remarkable achievements, there are still many problems." Sun Zhenping pointed out that polycarboxylic acid superplasticizers are used to improve the workability (fluidity, cohesion and water retention) of concrete mixes, and people are also very concerned about its air induction, its impact on the setting time of concrete, and its impact on the mechanical properties, deformation and durability indicators of hardened concrete. Not only that, the description of the state of the concrete mix in the engineering community is also thin, thick, viscous, flowing, scraping the bottom, as well as sticky but not flowing, viscous and flowing, thin but not moving, thin and flowing, green light, rough, etc. These phenomena are not only related to the quality and characteristics of other raw materials of concrete, but also related to the polycarboxylic acid water-reducing agent used. In the concrete industry, everything is placed on the hope of polycarboxylic acid superplasticizer, therefore, the researchers and producers of polycarboxylic acid superplasticizer should not be neglected, and the research of polycarboxylic acid superplasticizer is on the rise.

Many times, the cement situation faced by polycarboxylic acid water-reducing agents is more like a "blind box", because you are difficult to get information about the clinker in the cement, it is difficult to get information about the type and proportion of the mixed material, and it is more difficult to get information about the raw grinding aid, clinker grinding aid and reinforcement agent (recently there is reinforcement agent in the cement). The research group is developing polycarboxylic acid grinding AIDS to ensure the adaptability of cement and polycarboxylic acid water-reducing agents. Machine-made sand replacing river sand as fine aggregate of concrete has become an irreversible trend. "At present, in the face of these challenges and needs, most researchers will optimize the molecular structure of polycarboxylic acid superplasticizers to achieve improved performance and special functions, including the selection of large monomer types and molecular weights, the introduction of different types of functional groups, acid-ether ratio and the adjustment of the total molecular weight of polycarboxylic acid superplasticizers. However, at the same time, it is also necessary to realize that the mixing of polycarboxylic acid water reducing agent and some functional admixtures is also worth trying to solve the needs such as mud resistance, viscosity and water retention, coagulation control and strength control through the mixing admixtures under the condition of ensuring high water reduction rate. Of course, in making relevant attempts, the adaptability of polycarboxylic acid superplasticizers and other admixture components must first be considered to ensure that they can be 'compatible' and 'compatible', or at least 'compatible'."

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Shanghai Hongyun New Construction Materials Co., Ltd

 Audited supplier

6 month

Address: Shanghai, China

Main Product: polycarboxylate superplasticizer, polycarboxylate superplasticizer powder, PCE plasticizer, water reducer, PCE superplasticizer , water reducing agent

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