Synthesis and application of calcium silicate hydrate (C-S-H) nanoparticles for early strength enhancement by eco-friendly low carbon binders
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Johann Plank
and
Vipasri Kanchanason
Abstract
C-S-H–PCE nanocomposites are known to perform as highly effective seeding materials in Portland cement. Here the effectiveness of a C-S-H–PCE nanocomposite admixture on early strength development of eco-friendly cements (clinker blended with up to 35% fly ash or calcined clay) was investigated. First, C-S-H–PCE nano-composites were synthesized from Ca(NO3)2/Na2SiO3 via a co-precipitation method and their particle size distribution was analyzed. Differently structured PCE comb polymers based on IPEG chemistry were used in the synthesis. Nanofoils of ∼50 nm length were identified as most promising seeding material. Furthermore, addition of such C-S-H–PCE nanofoils was found to substantially increase mortar strength at early ages, particularly after 6–24 h of curing. Isothermal heat flow calorimetry and in-situ XRD measurements indicate that silicate hydration in cement is significantly accelerated. Most remarkably, C-S-H–PCE also was confirmed to speed up the pozzolanic reaction of fly ash and calcined clay and to stimulate the formation of hemicarbo aluminate (Hc), especially in calcined clay cement. Thus, C-S-H–PCE can foster the more widespread use of eco-friendly CEM II/III cements.
Dedicated to Professor Gerhard Müller on the occasion of his 70th birthday.
Acknowledgement
Matthias Theobald and Ran Li are much thanked for editing this manuscript.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2023 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- In this issue
- Preface
- Professor Dr. Gerhard Müller. Editor-in-Chief der Zeitschrift für Naturforschung B – Chemical Sciences. zum 70. Geburtstag
- Research Articles
- Ferrocenylmethylation of theophylline
- Electron density of a cyclic tetrasaccharide composed of benzoylated galactose units
- Orthoamide und Iminiumsalze, CIX. Umsetzungen von Orthoamiden der Alkincarbonsäuren mit Diolen, Ethandithiol und CH-aciden Nitroverbindungen
- 1,4-Divinylphenylene-bridged diruthenium complexes with 2-hydroxypyridine- and 2- or 8-hydroxyquinoline-olate ligands
- The calcium oxidotellurates Ca2(TeIVTeVIO7), Ca2(TeIVO3)Cl2 and Ca5(TeIVO3)4Cl2 obtained from salt melts
- N-heterocyclic carbene-mediated oxidation of copper(I) in an imidazolium ionic liquid
- Synthesis, crystal structure, thermal and spectroscopic properties of ZnX2-2-methylpyrazine (X = Cl, Br, I) coordination compounds
- Solid-state molecular structures of Se(IV) and Te(IV) dihalides X2Se(CH3)(C6F5) and the gas-phase structure of Se(CH3)(C6F5)
- Ein neuartiger T-förmiger 14-Elektronen-Iridium(I)-Komplex stabilisiert durch eine agostische Ir–H-Wechselwirkung
- Exploring dicyanamides with two different alkali-metal cations: phase separations, solid solutions and the new compound Rb1.667Cs0.333[N(CN)2]2
- Eu4Al13Pt9 – a coloring variant of the Ho4Ir13Ge9 type structure
- Decoration of the [Nb6O19]8– cluster shell with six Cu2+-centred complexes generates the [(Cu(cyclen))6Nb6O19]4+ moiety: room temperature synthesis, crystal structure and selected properties
- Structure and spectroscopic properties of etherates of the beryllium halides
- The palladium-rich silicides RE3Pd20Si6 (RE = Sc, Y and Lu)
- Azido and desamino analogs of the marine natural product oroidin
- High-pressure high-temperature preparation of CeGe3
- On the synthesis and crystal structure of praseodymium(III) metaborate molybdate(VI) – PrBO2MoO4
- A third polymorph of the zwitterionic complex trichlorido-((dimethylphosphoryl)methanaminium-κO)zinc(II)
- Mechanochemical synthesis and structural evaluation of a metastable polymorph of Ti3Sn
- Synthesis and application of calcium silicate hydrate (C-S-H) nanoparticles for early strength enhancement by eco-friendly low carbon binders
- Sterically crowded di-indazolyl-pyridines: Iron(II) complexation studies
Articles in the same Issue
- Frontmatter
- In this issue
- Preface
- Professor Dr. Gerhard Müller. Editor-in-Chief der Zeitschrift für Naturforschung B – Chemical Sciences. zum 70. Geburtstag
- Research Articles
- Ferrocenylmethylation of theophylline
- Electron density of a cyclic tetrasaccharide composed of benzoylated galactose units
- Orthoamide und Iminiumsalze, CIX. Umsetzungen von Orthoamiden der Alkincarbonsäuren mit Diolen, Ethandithiol und CH-aciden Nitroverbindungen
- 1,4-Divinylphenylene-bridged diruthenium complexes with 2-hydroxypyridine- and 2- or 8-hydroxyquinoline-olate ligands
- The calcium oxidotellurates Ca2(TeIVTeVIO7), Ca2(TeIVO3)Cl2 and Ca5(TeIVO3)4Cl2 obtained from salt melts
- N-heterocyclic carbene-mediated oxidation of copper(I) in an imidazolium ionic liquid
- Synthesis, crystal structure, thermal and spectroscopic properties of ZnX2-2-methylpyrazine (X = Cl, Br, I) coordination compounds
- Solid-state molecular structures of Se(IV) and Te(IV) dihalides X2Se(CH3)(C6F5) and the gas-phase structure of Se(CH3)(C6F5)
- Ein neuartiger T-förmiger 14-Elektronen-Iridium(I)-Komplex stabilisiert durch eine agostische Ir–H-Wechselwirkung
- Exploring dicyanamides with two different alkali-metal cations: phase separations, solid solutions and the new compound Rb1.667Cs0.333[N(CN)2]2
- Eu4Al13Pt9 – a coloring variant of the Ho4Ir13Ge9 type structure
- Decoration of the [Nb6O19]8– cluster shell with six Cu2+-centred complexes generates the [(Cu(cyclen))6Nb6O19]4+ moiety: room temperature synthesis, crystal structure and selected properties
- Structure and spectroscopic properties of etherates of the beryllium halides
- The palladium-rich silicides RE3Pd20Si6 (RE = Sc, Y and Lu)
- Azido and desamino analogs of the marine natural product oroidin
- High-pressure high-temperature preparation of CeGe3
- On the synthesis and crystal structure of praseodymium(III) metaborate molybdate(VI) – PrBO2MoO4
- A third polymorph of the zwitterionic complex trichlorido-((dimethylphosphoryl)methanaminium-κO)zinc(II)
- Mechanochemical synthesis and structural evaluation of a metastable polymorph of Ti3Sn
- Synthesis and application of calcium silicate hydrate (C-S-H) nanoparticles for early strength enhancement by eco-friendly low carbon binders
- Sterically crowded di-indazolyl-pyridines: Iron(II) complexation studies
