Influence of the structures of polycarboxylate superplasticizer on its performance in cement-based materials-A review
Polycarboxylate (PC) superplasticizers are being widely used in concrete mixtures due to
their high water reduction rate and good slump retention at low dosage. The chemical …
their high water reduction rate and good slump retention at low dosage. The chemical …
[HTML][HTML] Molecular modeling of chemical admixtures; opportunities and challenges
Chemical admixtures are an essential ingredient of modern concrete mix, but many of their
molecular scale working mechanisms remain poorly described. In this respect, recent …
molecular scale working mechanisms remain poorly described. In this respect, recent …
Compatibility between superplasticizer admixtures and cements with mineral additions
O Burgos-Montes, M Palacios, P Rivilla… - Construction and Building …, 2012 - Elsevier
The incorporation of mineral additions to Portland cement reduces the amount of clinker
required in cement manufacture improving the eco-efficiency of this process. They also …
required in cement manufacture improving the eco-efficiency of this process. They also …
Tailoring the anionic function and the side chains of comb-like superplasticizers to improve their adsorption
Nowadays admixtures and especially superplasticizers are unavoidable components of the
concrete formulation. The high fluidizing efficiency of the comb-like superplasticizers must …
concrete formulation. The high fluidizing efficiency of the comb-like superplasticizers must …
Uncovering molecular details of urea crystal growth in the presence of additives
Controlling the shape of crystals is of great practical relevance in fields like pharmacology
and fine chemistry. Here we examine the paradigmatic case of urea which is known to …
and fine chemistry. Here we examine the paradigmatic case of urea which is known to …
Functional group adsorption on calcite: I. Oxygen containing and nonpolar organic molecules
Considerable interest in calcite crystallization has prompted many studies on organic
molecule adsorption. However, each study has explored only a few compounds, using …
molecule adsorption. However, each study has explored only a few compounds, using …
Adsorption of water and formic acid molecules on the (104) surface of calcite: A theoretical study by DFT-D3
M Zhao, S Li, M Wang, X Guan, R Zhao - New Journal of Chemistry, 2023 - pubs.rsc.org
Calcite is widely used in many fields. The synthesis of calcite is strongly influenced by
solvents and additives. In this paper, the adsorption of water and formic acid molecules on …
solvents and additives. In this paper, the adsorption of water and formic acid molecules on …
Bioavailability of inorganic nanoparticles to planktonic bacteria and aquatic microalgae in freshwater
Over the past few years, engineered nanomaterials (ENMs) have penetrated nearly every
sector of modern life and their broad-scale use is steadily and rapidly increasing. The …
sector of modern life and their broad-scale use is steadily and rapidly increasing. The …
Multivalent Ion-Mediated Polyelectrolyte Association and Structure
Polyelectrolytes are commonly used to chelate multivalent ions in aqueous solutions,
playing a critical role in water softening and the prevention of mineralization. At sufficient …
playing a critical role in water softening and the prevention of mineralization. At sufficient …
Corrosion inhibition properties of two imidazolium ionic liquids with hydrophilic tetrafluoroborate and hydrophobic hexafluorophosphate anions in acid medium
Y Guo, B Xu, Y Liu, W Yang, X Yin, Y Chen, J Le… - Journal of industrial and …, 2017 - Elsevier
Abstract The ionic liquids, 1-vinyl-3-aminopropylimidazolium hexafluorophosphate
([VAIM][PF 6]) and 1-vinyl-3-aminopropylimidazolium tetrafluoroborate ([VAIM][BF 4]) acted …
([VAIM][PF 6]) and 1-vinyl-3-aminopropylimidazolium tetrafluoroborate ([VAIM][BF 4]) acted …