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1 February 2024 Preparation and properties of polycarboxylic acid water-reducing agent
Huazhen Lai
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Proceedings Volume 13068, Fifth International Conference on Optoelectronic Science and Materials (ICOSM 2023); 130680K (2024) https://doi.org/10.1117/12.3016240
Event: Fifth International Conference on Optoelectronic Science and Materials (ICOSM 2023), 2023, Hefei, China
Abstract
A water reducing and slump retaining polycarboxylic acid water reducer (P-T) was prepared by using isopentenyl polyoxyethylene ether (TPEG) as the macromonomer and acrylic acid as the small monomer, introducing a new type of small slump retaining monomer (MT) , and free radical solution polymerization. The structure of slump retaining monomer (MT) was characterized by IR, gel permeation chromatography and liquid chromatography. The concrete test results show that the water reduction rate of P-T is high, and its slump retaining performance is equivalent to that of the slump retaining polycarboxylate water reducer (P-C). In addition, the amount of water reducing mother liquor can be reduced during the mixing process, and the workability of the mixed concrete is improved, without bleeding and slight bleeding.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Huazhen Lai "Preparation and properties of polycarboxylic acid water-reducing agent", Proc. SPIE 13068, Fifth International Conference on Optoelectronic Science and Materials (ICOSM 2023), 130680K (1 February 2024); https://doi.org/10.1117/12.3016240
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