The Compounding and Application Mechanism of Polycarboxylate-Based Superplasticizers in the Self-Compacting Concrete

Miao Miao Gui; Yun Hui Fang; Zi Dong Lan; Fei Yu Yu; Tian Xing Lin; Zhuo Jun Jiang; Qing Ru Wen

doi:10.4028/www.scientific.net/AMR.250-253.711

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 250-253The Compounding and Application Mechanism of...

The Compounding and Application Mechanism of Polycarboxylate-Based Superplasticizers in the Self-Compacting Concrete

Abstract:

Polycarboxylate-based superplasticizers are synthesized by radical graft copolymerization reaction, and the products are divided into ester series (PC-1) and ether series (PC-2) on the basis of different big monomers. This article studies on influence of the different composition and dosages of the synthetic superplasticizers in the self-compacting concrete (SCC). The results show that the requirements of SCC workability can be achieved through simple adjustment kinds and dosages of the synthetic superplasticizers under the given mix proportions and the raw materials. And the main mechanism of the polycarboxylate-based superplasticizers is steric hindrance effect.

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Periodical:

Advanced Materials Research (Volumes 250-253)

Pages:

711-717

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.250-253.711

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Online since:

May 2011

Authors:

Miao Miao Gui, Yun Hui Fang, Zi Dong Lan, Fei Yu Yu, Tian Xing Lin, Zhuo Jun Jiang, Qing Ru Wen

Keywords:

Mechanism, Polycarboxylate-Based Superplasticizer, Self-Compacting Concrete (SCC)

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