The Preparation Research of Powder Polycarboxylate Superplasticizer

Abstract:

This paper uses centrifugal spray drying process to prepare powder polycarboxylate superplasticizer. The best spray drying process: speed of centrifugal atomizer is 16000r/min, feed liquid temperature is 30°C, import / export air temperature of drying chamber is 200°C/80°C. It achieves a high concentration of polycarboxylate superplasticizer to prepare powder product. It solves the problem of sticky and low-performance of powder polycarboxylate superplasticizer during traditional preparation. Analyzing the structure of polycarboxylate superplasticizer before and after spray-drying by infrared spectroscopy, and verifying the conclusion through macroeconomic performance experiments.

• Periodical: Applied Mechanics and Materials (Volumes 71-78)
• Pages: 677-683
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.71-78.677
• Online since: July 2011
• Authors: Miao Miao Gui, Yun Hui Fang, Qing Chang Lin, Fei Yu Yu, Tian Xing Lin, Xiu Xing Ma
• Keywords: Centrifugal, High Concentration of Polycarboxylate Superplasticizer, Powder, Pray Drying

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