Development of chemical admixtures for green and environmentally friendly concrete: a review

G Lai, X Liu, S Li, Y Xu, Y Zheng, J Guan, R Gao… - Journal of Cleaner …, 2023 - Elsevier
Chemical admixtures are indispensable functional ingredients in modern construction, and
their raw materials for synthesis are mainly sourced from petrochemical products, leading to …

Research progress on polycarboxylate based superplasticizers with tolerance to clays-a review

Y Ma, C Shi, L Lei, S Sha, B Zhou, Y Liu… - Construction and Building …, 2020 - Elsevier
Polycarboxylate ether/ester (PCE) superplasticizers are widely used due to their molecular
structural designability, low dosage and high efficiency. However, their high sensitivity and …

A mechanistic study on the effectiveness of star-like and comb-like polycarboxylate superplasticizers in cement pastes

G Lai, X Liu, X Song, J Guan, Z Wang, S Cui… - Cement and Concrete …, 2024 - Elsevier
In this paper, star-like polycarboxylate superplasticizer (SPCE) and comb-like
polycarboxylate superplasticizer (CPCE) were prepared via atom transfer radical …

[HTML][HTML] Studying the impact of admixtures chemical structure on the rheological properties of silica-fume blended cement pastes using various rheological models

AO Habib, I Aiad, FI El-Hosiny, A Mohsen - Ain Shams Engineering Journal, 2021 - Elsevier
In this study, the influence of various types superplasticizers namely; sikament-TG (TG),
phenol-formaldehyde-sulfonilate (SI) and low phenol phenol-formaldehyde-sulfonilate (SII) …

Working mechanisms and design principles of comb-like polycarboxylate ether superplasticizers in cement hydration: quantitative insights for a series of well-defined …

A Javadi, T Jamil, E Abouzari-Lotf… - ACS Sustainable …, 2021 - ACS Publications
Cement and concrete are the most widely used building materials and contain comb
copolymers such as polycarboxylate ethers (PCEs) as hydration and setting modifiers. The …

Mechanism of intercalation of polycarboxylate superplasticizer into montmorillonite

H Tan, B Gu, B Ma, X Li, C Lin, X Li - Applied Clay Science, 2016 - Elsevier
It is well known that polycarboxylate superplasticizer (PC) has a poor clay tolerance, due to
huge adsorption amount caused by clay minerals, especially by montmorillonite (Mt). The …

Influence of maltodextrin retarder on the hydration kinetics and mechanical properties of Portland cement

L Lei, R Li, A Fuddin - Cement and Concrete Composites, 2020 - Elsevier
In this study, the effect of maltodextrin on the hydration kinetics of ordinary Portland cement
was investigated. Additionally, the impact of maltodextrin on the physical and mechanical …

Effect of some chemical admixtures on the physico-chemical and rheological properties of oil well cement pastes

AO Habib, I Aiad, TA Youssef… - Construction and Building …, 2016 - Elsevier
In this work the effect of the prepared melamine formaldehyde sulfanilate (MFS) and
cyclohexanone formaldehyde sulfonate (CFS) on the physico-chemical properties of oil well …

Novel designs of polycarboxylate superplasticizers for improving resistance in clay-contaminated concrete

X Liu, J Guan, G Lai, Y Zheng, Z Wang, S Cui… - Journal of industrial and …, 2017 - Elsevier
Certain clays attached around the aggregates contaminate the concrete and also greatly
affect the concrete workability, the mechanism of which was investigated through calculating …

The methodology for assessing the impact of new generation superplasticizers on air content in self-compacting concrete

B Łaźniewska-Piekarczyk - Construction and Building Materials, 2014 - Elsevier
Certain types of the new generation superplasticizers (SP) cause the rise of excessive air
content in self-compacting concrete (SCC). The influence of different type of SP on air …