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Relevant bibliographies by topics / Polycarboxylate additives

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Academic literature on the topic 'Polycarboxylate additives'

Author: Grafiati

Published: 4 May 2022

Last updated: 30 July 2025

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Journal articles on the topic "Polycarboxylate additives"

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Yukhnevskiy, P. I., and N. P. Dimitriadi. "About Synergistic Effect of Lubricant and Chemical Additives on Obtaining Quality Surface of Concrete Products." Science & Technique 18, no. 4 (2019): 303–10. http://dx.doi.org/10.21122/2227-1031-2019-18-4-303-310.

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The paper substantiates scientific background for development of lubricant compositions used in moulds for concrete products with high-quality surface. It has been shown that consideration of interaction between air bubbles, lubricant and liquid phase of modified concrete is of great importance. A release agent must allow air to migrate to a certain extent and leave “formwork – concrete mix” interface. In this regard the lubricant must have low viscosity. In addition, the lubricant should give maximum hydrophobization to a mould and have minimal adhesion in respect of the concrete mix. Additiv

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Tolmachov, Serhii, Olena Belichenko, Oleksandr Moskalenkо, and Yurii Pokusa. "Study of the influence of modern superplastificators on the properties of road cement concrete." Bulletin of Kharkov National Automobile and Highway University 2, no. 92 (2021): 74. http://dx.doi.org/10.30977/bul.2219-5548.2021.92.2.74.

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Abstract. In the technology of road concrete, the use of plasticizing additives is mandatory. In the last century, the most widely used plasticizers are lignosulfonates. These additives reduce the water demand of concrete mixtures by 10...15 % and increase the strength of concrete by 20...25 %. However, the presence of sugars in their composition leads to a strong slowdown of the hardening processes and can lead to a decrease the strength of concrete at the age of 28 days. In this century, modern superplasticizers based on polycarboxylates began to be widely used in industrial and civil constr

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Fu, Zhong Jun, Feng Song, Lu Shan Yu, and Hong Wang. "Property of Water-Reducing and Crystallization on Superplasticize of the Concrete." Applied Mechanics and Materials 357-360 (August 2013): 1171–75. http://dx.doi.org/10.4028/www.scientific.net/amm.357-360.1171.

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In this paper, the effects of the water-reducing agent on the hydration property and the formation of the ettringite crystal of the concrete C3A were studied. Based on the thermometry analysis, the experiments of the effection of the hydration temperature on such concrete with both naphthalene- and polycarboxylate-type superplasticizers were conducted. The results could be drawn that the additives could prevent the slurry being hydrated in 1h, and decrease the hydration temperature. With the increasing of the additives, the hydration-inhibitory action of the additives was improved, too. The ef

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Talipov, Linar N., Evgeny G. Velichko, and Vyacheslav S. Semenov. "Study of synergetic effect of the complex polycarboxylate anti-corrosion additive in the model of pore concrete fluid." Vestnik MGSU, no. 6 (June 2020): 824–33. http://dx.doi.org/10.22227/1997-0935.2020.6.824-833.

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Introduction. Corrosion of reinforcement in concrete structures is rather expensive for the economy of any country. Current statutory documents offer two main directions — primary and secondary protection. One of the promising areas of primary protection methods is the use of complex anti-corrosion additives in concrete due to its technological simplicity and economic efficiency. Passivators and surfactants (SAS), as components of such additives, are of particular interest. Sodium nitrite is offered as a passivator, and polycarboxylate molecules (PCE) — as a SAS. The additive of sodium nitrite

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Zajceva, Ljajsjan, Ekaterina Lucyk, Tat’jana Latypova, Valerij Latypov, Pavel Fedorov, and Madina Salamanova. "Influence of the Type of Aggregate from Industrial Waste on Corrosion Resistance of Modified Fine-Grained Concrete." Buildings 11, no. 8 (2021): 352. http://dx.doi.org/10.3390/buildings11080352.

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The development and implementation of “green” technologies in the construction sector, which ensure natural resource conservation, reduce harmful emissions and provide utilization of industrial waste, are key issues in material engineering of the XXI century. Extensive research has been devoted to solving these issues, including research in the field of concrete science. Still, the issue of developing concrete compositions with increased corrosion resistance remains much less studied. At the same time, reactive aggregates from industrial waste can have positive effect on durability of concrete

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Svisch, I. "INVESTIGATION OF STRENGTH GAIN OF HEAVY CONCRETE IN AN AGGRESSIVE ENVIRONMENT. USING SULPHATE-RESISTANT CEMENT." Construction and industrial safety, no. 35 (December 28, 2024): 21–27. https://doi.org/10.29039/2413-1873-2024-35-21-27.

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Experimental data are presented on changes in the compressive strength of heavy concrete using sulfate-resistant cement, Crimean aggregates and additives based on polycarboxylate ethers when kept in an aggressive environment - liquid from water treatment facilities in an urban-type settlement Gvardeiskoe, Simferopol district, Republic of Crimea. Compositions of heavy concrete have been developed using hyperplasticizing (polycarboxylate) additives that are capable of increasing their physical and mechanical characteristics over time when operating in aggressive environments. It is relevant to f

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Plugin, Andrii, Olena Kaliuzhna, Olga Borziak, Oleksii Plugin, and Oleksandr Savchenko. "Ultrafast transfer strength of reinforced concrete sleepers by Using complex additives." Collected scientific works of Ukrainian State University of Railway Transport, no. 197 (December 22, 2021): 44–63. http://dx.doi.org/10.18664/1994-7852.197.2021.248243.

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The influence of superplasticizers-polycarboxylates and their complex additives withaccelerants - electrolytes and dispersion of calcium hydroxylates on the early strength of concretefor concrete of concrete sleepers has been studied. It was found that the use of superplasticizerspolycarboxylates can improve the early strength of the concrete after heat treatment, but eachadditive must be checked for consistency with the cement used. Approx Complex additives withaccelerators in conditions of natural hardening ensure an increase in the early strength of concrete,but some of them, which accelera

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Qais, H., R. Bogdanov, N. Morozova, A. Mavlyuberdinov, and L. Suleymanova. "INFLUENCE OF SUPERPLASTIFYING ADDITIVES BASED ON POLYCARBOXYLATE ETHER ON THE TECHNOLOGICAL AND PHYSICAL-TECHNICAL PROPERTIES OF GYPSUM-CETMENT-POZZOLANIC BINDER." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 9, no. 8 (2024): 20–28. http://dx.doi.org/10.34031/2071-7318-2024-9-8-20-28.

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Effective modifiers of the structure and properties of concrete based on gypsum-cement-pozzolanic binder are chemical additives. Among a wide range of chemical additives, superplasticizing additives can be distinguished. The most effective in terms of water-reducing effect, increasing the mobility and strength of concrete based on gypsum-cement-pozzolanic binder are superplasticizers based on polycarboxylate ethers. The paper presents studies of the influence of superplasticizing additives on the physical and technical properties of gypsum-cement-pozzolanic binder based on low-grade gypsum and

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Larsen, O. А., A. A. Solodov, and A. M. Bahrah. "Study of the influence of defoamers on the main properties of plasticized cement paste." Stroitel nye Materialy, no. 3 (March 15, 2025): 74–81. https://doi.org/10.31659/0585-430x-2025-833-3-74-81.

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The use of self-compacting concretes has become widespread in recent years. To achieve high flowability in mixtures, highly effective polycarboxylate based plasticizers are used. However, the use of superplasticizers in self-compacting concrete mixes without adding a defoamer can lead to a well-known problem: increased air entrainment and the formation of air bubbles. This can cause deterioration in the surface appearance. This article presents studies on the effects of various defoaming agents and air-entraining additives on the basic technological and rheological properties of plasticized by

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Huang, Da Wei, Ren Juan Sun, Shan Shan Wei, Yi Zhang Hu, Yuan Yuan Wang, and Zhi Ge. "Influence of Additives to Cement Slurry Rheological Property." Applied Mechanics and Materials 651-653 (September 2014): 165–68. http://dx.doi.org/10.4028/www.scientific.net/amm.651-653.165.

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Adding different kinds of additives will change rheological properties of cement slurry, same to the concrete. The relationship between fluid shear stress (Γ) and the shear rate (Ds) called rheological properties. In this paper we studied the influence of different additives (Olyacryamide, polycarboxylate superplasticizer , nanoCaCO3) on the slurry rheological properties and the effects of polyacrylamide on cement mortar liquidity.

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Book chapters on the topic "Polycarboxylate additives"

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Talipov, Linar, and Evgeny Velichko. "Polymer Additives for Cement Systems Based on Polycarboxylate Ethers." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-19868-8_93.

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Nizina, T. A., A. S. Balykov, and D. I. Korovkin. "Influence of Polycarboxylate Superplasticizer and Mineral Additives of Various Nature on the Kinetics of Early Hardening Stages of Cement Systems." In Lecture Notes in Civil Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-54652-6_28.

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Pertiwi, Dewi, Oktavian Romy Setiawan, and Ahmad Wahyu Setiawan. "The Use of Polycarboxylate Additive and Fly Ash as Partial Replacements for Cement in Concrete with a Compressive Strength of 50 MPa." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-5654-7_78.

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Trubitsyn, Mikhail Aleksandrovich, Lyubov Vladimirovna Furda, Viktoria Vladimirovna Lisnyak, and Natalya Aleksandrovna Volovicheva. "Effect of Hyperplasticizers on the Rheological Behavior of Matrix Mixtures of Construction Castables." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230761.

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The effect of commercially available polycarboxylate ethers as hyperplasticizers in aqueous suspensions α-Al2O3 and matrix mixtures of construction castables has been investigated. The dependence of the apparent viscosity and flow curves of matrix mixtures on the concentration of various types of the same hyperplasticizers has been determined. The dosage of polycarboxylate esters in suspensions was 0.17 and 0.34 wt.% of reactive alumina powder weight. The rheological behavior of the model system was studied using a rotational viscometer. It was found that an increase in the concentration over

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Conference papers on the topic "Polycarboxylate additives"

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Murtazaev, Sayd-Alvi. "Сoncrete Modification With Modern Polycarboxylate Additives". У International Conference «Social and Cultural Transformations in the Context of Modern Globalism». European Publisher, 2024. http://dx.doi.org/10.15405/epsbs.2024.10.47.

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Şahin, Burak. "Determination of Optimal Values for Polycarboxylate and Melamine Sulfonate-Based Superplasticisers in High-Strength Mortar Production." In 8th International Students Science Congress. ULUSLARARASI ÖĞRENCİ DERNEKLERİ FEDERASYONU (UDEF), 2024. https://doi.org/10.52460/issc.2024.019.

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The superior properties of superplasticizer additives in increasing the workability of mortar mixtures, reducing water content, controlling setting times and providing high strength performance and which type of additive produces more effective results are an important subject of investigation. While the application of these additives to concrete is somewhat familiar, their use in cement-based mortar designs is a relatively new topic and there is not enough information regarding their effectiveness in mortars. In this study, the technical properties of alternative mortar mixtures created using

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Аларханова, З. З., and Д. К.-С. Батаев. "COMPOSITE MATERIALS MODIFIERS BASED ON CEMENT." In «АКТУАЛЬНЫЕ ВОПРОСЫ СОВРЕМЕННОЙ НАУКИ: ТЕОРИЯ, ТЕХНОЛОГИЯ, МЕТОДОЛОГИЯ И ПРАКТИКА». Международная научно-практическая онлайн-конференция, приуроченная к 60-ти летию член-корреспондента Академии наук ЧР, доктора технических наук, профессора Сайд-Альви Юсуповича Муртазаева. Crossref, 2021. http://dx.doi.org/10.34708/gstou.conf..2021.38.94.018.

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В статье рассмотрено одно из основных направлений развития наноинженерии строительных материалов. Модификация композиционных материалов на основе цемента поликарбоксилатами. Рассмотрены особенности механизма действия поликарбоксилатных суперпластификаторов на свойства бетона в сравнении с традиционными пластифицирующими добавками на основе сульфированных нафталини или меламинформальдегидных соединений. Представлены перспективы развития наноинженерии в модификации материалов на основе цемента. The article discusses one of the main directions of development of nanoengineering of building materia

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Rechkalov, Denis, Sergey Chernogorlov, and Victor Abyzov. "Hydration of alumina cement containing ferrotitanium slag with polycarboxylate-ethers (PCE) additives." In ADVANCED MATERIALS IN TECHNOLOGY AND CONSTRUCTION (AMTC-2015): Proceedings of the II All-Russian Scientific Conference of Young Scientists “Advanced Materials in Technology and Construction”. AIP Publishing LLC, 2016. http://dx.doi.org/10.1063/1.4937868.

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Berdnyk, Oksana, Nataliya Amelina, Evgeniya Petrikova, and Alla Maystrenko. "The use of self-compacting concrete with polycarboxylate additives in the production of long reinforced concrete structures." In RELIABILITY AND DURABILITY OF RAILWAY TRANSPORT ENGINEERING STRUCTURE AND BUILDINGS. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0120140.

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Ghosal, Mainak, and Arun Kumar Chakraborty. "A Case Study on the Performance Based Enhancement of Cementitious Systems through Sustainable Nanomaterials." In IABSE Congress, New Delhi 2023: Engineering for Sustainable Development. International Association for Bridge and Structural Engineering (IABSE), 2023. http://dx.doi.org/10.2749/newdelhi.2023.1185.

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<p>This study concerns the application of a water-saving cement additive that can appreciably better the hardened properties of a cured product of a cementitious composition over a long time period. This advanced cement additive is a Nanotechnology based advanced material also known as Nano Materials at varying dosages by weight of ordinary Portland cement (1 part by weight) in a dry mix with river sand constituting 3 parts by weight of cement. Nanomaterials are insoluble in water so it’s dissolved in a polymeric compound of Polycarboxylate Ether through ultrasonication.7.07cm cubes are

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Xu, Liang, Iryna Zhuk, and Sofia Sirak. "Novel Modified Polycarboxylate Paraffin Inhibitor Blends Reduce C30+ Wax Deposits in South Texas." In SPE International Conference on Oilfield Chemistry. SPE, 2023. http://dx.doi.org/10.2118/213853-ms.

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Abstract A typical challenge encountered during shale oil and condensate production in South Texas is severe wax deposition on fractured rock surface near the wellbore and flowlines from wellheads to separators, potentially reducing surface areas for oil and gas flow. Commonly used surfactant dispersants and wax inhibitors such as comb shaped polyacrylate/methacrylate (PAMA) and alpha-olefin modified maleic anhydride (OMAC) sometimes fall short and do not always address challenges associated with C30+ waxy crude oil and condensate. This is typically due to the mismatch of molecular weights and

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