Influence of Polymeric Dispersants on the Dissolution Rate of Tricalcium Silicate and the Nucleation of Calcium-Silicate-Hydrate and Portlandite. [PDF]
ChemistryComb‐copolymers with anionic functional groups and poly(ethylene glycol) side chains are concrete dispersants. However, they retard the hydration of the main Portland cement phase Ca3SiO5${\rm Ca}_{3}{\rm S}{\rm iO}_{5}$. Herein, we report on their influence on the dissolution rate of Ca3SiO5${\rm Ca}_{3}{\rm S}{\rm iO}_{5}$ and their nucleation ...
Vohburger A +3 more
europepmc +2 more sources
Erosion Process of a Dental Polycarboxylate Cement
Journal of the Ceramic Association, Japan, 1987 Erosion process of the zinc polycarboxylate cement in various acid solutions was investigated by means of determination of Zn and Mg leached from the cement and SEM observation of the surface structure. The amount of species leached from the cement increased with increasing dissociation constant of the acid, that is, with decreasing pH of the solution.
Shigeki Matsuya +3 more
openalex +4 more sources
Study on rheological, adsorption and hydration properties of cement slurries incorporated with EPEG-based polycarboxylate superplasticizers [PDF]
Frontiers in MaterialsA series of polycarboxylate superplasticizers (PCEs) with different side-chain densities, main chain polymerization degrees, and side-chain lengths were designed and synthesized using a novel highly active ethylene glycol mono vinyl ether polyethylene ...
Yunhui Fang +13 more
doaj +2 more sources
Evaluating the operational properties of concrete admixtures containing molecularly modified polycarboxylate superplasticizers [PDF]
Scientific ReportsThe objective of this study focused on the design and preparation of a molecularly modified polycarboxylate superplasticizer to develop concretes with enhanced engineering features.
Mahdi Moeinian +2 more
doaj +2 more sources
Polycarboxylate Superplasticizer-Modified Graphene Oxide: Dispersion and Performance Enhancement in Cement Paste. [PDF]
Nanomaterials (Basel)Zhang H, Gan X, Lu Z, Li L, Lu L.
europepmc +2 more sources
Comparative analysis of methods of introducing fine perlite into cement composition [PDF]
E3S Web of Conferences, 2023 The article presents a comparative analysis of the methods of introducing fine perlite into the the cement systems. The first method is dry mixing of the additive with cement, followed by mixing with water with a polycarboxylate plasticizer.
Kozlova Irina +3 more
doaj +1 more source
The Journal of Indian Prosthodontic Society, 2021 Aim: To evaluate the microleakage of metallic copings luted with three different commercially available luting cements. Setting and Design: Comparative evaluation in vitro study.
Mohit Handa +3 more
doaj +1 more source
Anti-Inflammation Effects of Silver Nanoparticles-Zinc Polycarboxylate Cement (AGNPS-ZPCCEM)
Pakistan Journal of Medical & Health Sciences, 2022 Though, zinc polycarboxylate cement(ZPCCEM) is a good root filling block of cement, But its efficiency against microbes was low or non-existent.ThE purpose Of our studying is Evaluation of the effects of adding silver nanoparticles to the (S-NP) to ...
Aneer Emad, E. E. Abodi
semanticscholar +1 more source
Plastic shrinkage of concrete modified by metakaolin
Magazine of Civil Engineering, 2021 The subject of research is concrete containing a polycarboxylate superplasticizer admixture and metakaolin. The effect of water-cement ratio, superplasticizer, and metakaolin on plastic shrinkage of cement paste was investigated.
Kseniia Usanova +4 more
doaj +1 more source
Effect of Glass Ionomer and Polycarboxylate Cements on Gingival Health of Primary Molars Restored with Stainless Steel Crown [PDF]
Journal of Dental Materials and Techniques, 2020 Introduction: Glass ionomer and polycarboxylate cement have different effects on the marginal seal, microleakage, pulp tissue stimulation, and gingival health.
sara maleki kambakhsh +3 more
doaj +1 more source