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In the production process of polycarboxylate superplasticizers, the C4 and C6 processes are usually not interchangeable. The main reason is that different numbers of carbon atoms can lead to significant differences in…
Acrylic acid is prone to crystallization at lower temperatures, mainly due to the carboxyl groups (- COOH) within its molecules forming hydrogen bonds, enhancing intermolecular attraction and promoting the formation of crystal structures.…
In the synthesis process of polycarboxylate superplasticizers, it is generally not recommended to use vitamin C (VC) and hydrogen peroxide simultaneously. The reason is that these two substances can trigger redox reactions:…
Sodium hypophosphite plays an important role in the synthesis of polycarboxylate superplasticizers. As a type of chain transfer agent, it can control the progress of polymerization reactions and thus affect the molecular weight…
Hydrogen peroxide plays an extremely important role in the synthesis of polycarboxylate superplasticizers. As an effective oxidant, hydrogen peroxide triggers polymerization reactions through its strong oxidizing ability, which is one of the key…
The pH value of polycarboxylic acid mother liquor as a concrete admixture has a significant impact on its water reduction rate and the workability of concrete. Practical experience has shown that when the…
The anti-crack agent is an organic polymer mixed lotion that makes full use of the physical and chemical change mechanism during the curing process of cement mortar and concrete. The chemical synthetic…
Aerogel, also known as dry gel, is a kind of porous material (close to air density) that is filled with gas in a spatial network structure and has a very low solid…
Concrete early strength agent refers to an admixture that can improve the early strength of concrete and is often used in winter or emergency repairs. The early strength agent for concrete has…
Copper-plated microfilament steel fibers have a straight and smooth appearance, with ultra-high strength, tensile strength, wear resistance, crack resistance, bending resistance, disassembly resistance, impact resistance and other properties. They significantly increase the…
High performance polycarboxylate superplasticizer mother liquor is a type of chemical additive used to improve the performance of concrete. The main components of this type of water-reducing agent are macromolecular polymers with…
In concrete materials science and engineering, admixtures and porosity are two crucial concepts that directly affect the physical and mechanical properties, durability and service life of concrete. As the “spice” in the…