The Preparation Research of Powder Polycarboxylate Superplasticizer

Abstract:

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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.

Info:

Periodical:

Edited by:

Dongye Sun, Wen-Pei Sung and Ran Chen

Pages:

677-683

DOI:

10.4028/www.scientific.net/AMM.71-78.677

Citation:

M. M. Gui et al., "The Preparation Research of Powder Polycarboxylate Superplasticizer", Applied Mechanics and Materials, Vols. 71-78, pp. 677-683, 2011

Online since:

July 2011

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Price:

$35.00

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