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Volume 14
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10.3390/buildings14082418
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Experimental Study on Improving the Performance of Cement Mortar with Self-Synthesized Viscosity-Reducing Polycarboxylic Acid Superplasticizer

by
Zigeng Wang
,
Yonghao Shen
,
Yue Li
* and
Yuan Tian
Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing Key Laboratory of Earthquake Engineering and Structural Retrofit, Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing 100124, China
*
Author to whom correspondence should be addressed.
Buildings 2024, 14(8), 2418; https://doi.org/10.3390/buildings14082418
Submission received: 23 May 2024 / Revised: 8 July 2024 / Accepted: 3 August 2024 / Published: 5 August 2024
(This article belongs to the Section Building Materials, and Repair & Renovation)
Review Reports Versions Notes

Abstract

In this study, a viscosity-reducing polycarboxylic acid superplasticizer (VRPCE) was synthesized using methylallyl polyoxyethylene ether (HPEG), acrylic acid (AA), and maltodextrin maleic acid monoester (MDMA) as the main raw materials. The influences of the VRPCE on the microscopic properties of cement paste were studied by gel permeation chromatography (GPC), total organic carbon test (TOC), zeta potential, laser particle size analysis, XRD, MIP, TG, and SEM. Finally, the effects of the VRPCE on the macroscopic properties of cement mortar were evaluated through flow time, slump flow, compressive strength, shrinkage, and creep. The results showed that the VRPCE can improve the hydration degree of the cement, optimize the pore structure, increase the porosity, improve the fluidity, compressive strength, and creep, and decrease the shrinkage resistance of the cement mortar.
Keywords: viscosity-reducing polycarboxylic acid superplasticizer; cement paste; cement mortar; micro analysis; macro properties viscosity-reducing polycarboxylic acid superplasticizer; cement paste; cement mortar; micro analysis; macro properties

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MDPI and ACS Style

Wang, Z.; Shen, Y.; Li, Y.; Tian, Y. Experimental Study on Improving the Performance of Cement Mortar with Self-Synthesized Viscosity-Reducing Polycarboxylic Acid Superplasticizer. Buildings 2024, 14, 2418. https://doi.org/10.3390/buildings14082418

AMA Style

Wang Z, Shen Y, Li Y, Tian Y. Experimental Study on Improving the Performance of Cement Mortar with Self-Synthesized Viscosity-Reducing Polycarboxylic Acid Superplasticizer. Buildings. 2024; 14(8):2418. https://doi.org/10.3390/buildings14082418

Chicago/Turabian Style

Wang, Zigeng, Yonghao Shen, Yue Li, and Yuan Tian. 2024. "Experimental Study on Improving the Performance of Cement Mortar with Self-Synthesized Viscosity-Reducing Polycarboxylic Acid Superplasticizer" Buildings 14, no. 8: 2418. https://doi.org/10.3390/buildings14082418

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