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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: VC is an effective reducing agent that is easily oxidized by hydrogen peroxide. At the same time, hydrogen peroxide can be reduced by VC as an oxidant, and the final products are oxygen and water. This process not only consumes VC and hydrogen peroxide but may also affect their expected functions, thereby affecting the performance of the final product.
polycarboxylate superplasticizers
In addition, if other components in the formula are reactive with hydrogen peroxide or VC, this may further affect the quality of the product or pose safety risks. Therefore, when designing synthetic formulas, the compatibility and stability between each component should be carefully evaluated to ensure the quality and safety of the final product.
However, in specific situations, if it is necessary to combine VC with hydrogen peroxide, caution must be exercised. This includes but is not limited to precise control of the mixing ratio, contact time, and environmental conditions of the two to maintain the controllability and safety of the reaction. At the same time, experiments should be conducted to verify the feasibility of the plan and ensure that operators have sufficient skills and knowledge to execute these complex steps correctly.
In summary, for the synthesis of polycarboxylate superplasticizers, it is very important to choose materials reasonably and optimize the process flow so as to ensure the acquisition of high-quality and safe products.
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