Abstract: TThis cluster of carboxylic acid introduced the research development present stuation, the introduction of carboxylic acid high-performance jianshuiji molecular structure feature and synthetic method for clustering of carboxylic acid and superplasticizer the advantages and disadvantages of different synthesis technology is analyzed. Think big preparation monomer activity has been high technology carboxylic acid water-reducing agent needs to solve urgent problems.the focus through the different steps Superplasticizer synthesis of water-reducing agent such as an analysis of the performance factor. If MPEG2000 series increase the reaction process of solid content slurry flow caused jianshuiji clean, reduce weight, which increased copolymer of clustering performance of carboxylic acid water-reducing agent, APEG25 series, APEG25 monomer as compared to add color to fasten carboxylic acid components together water-reducing agent liquidity. For that, MPEG2000 chain transfer dose volume increases water-reducing agent for the chain of liquidity. Add monomer concentration of liquidity has adverse effects, The MPEG series suitable for 65 ° c, reaction temperature, APEG25 than MPEG2000 series jianshuiji series of liquidity and stable.
Keywords: polycarboxylate, efficient and superplasticizerSynthesis of concrete water reducer