Abstract
Based on the research and experiment on the mechanism of carboxylate ion protection and release, based on this system, it is determined that dimethyl carboxylic acid is the main sustained-release component, and then the sustained-release system is optimized to obtain excellent performance. A slow release polycarboxylate superplasticizer. Through the experiment of different cement compatibility, water-reducing agent saturation, concrete slump retention and mechanical properties, the dosage, working performance and strength of the target slow-release polycarboxylate superplasticizer were clarified. It is proved that the experimentally prepared sustained-release polycarboxylic acid superplasticizer has a good sustained release effect in application.
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