Results 21 to 30 of about 3,724 (225)

Supramolecular impactmechanism of polycarboxylate superplasticizers on controlled hardening building nanocomposites [PDF]

open access: yesНанотехнологии в строительстве, 2020
: Introduction. The use of modifying nano-additives in the production of binding building materials is one of the most effective ways to control the technological parameters of concrete by conducting good control of the rheological characteristics ...
Rauf M. Khalikov   +3 more
doaj   +1 more source

Effect of the mix composition with superplasticizer admixture on mechanical properties of high–strength concrete based on reactive powders [PDF]

open access: yesArchives of Civil Engineering, 2023
This paper outlines effect of the mix composition on mechanical properties of high–strength concrete based on aggregate size like in of Reactive Powder Concrete (RPC) but without fiber reinforcement.
Jarosław Siwiński   +5 more
doaj   +1 more source

Investigation of Cement, Mineral and Chemical Additive Interactions in Micro Scales

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2021
Self-compacting concretes (SCC), a new type of concrete, were realized with the development of polycarboxylate-based chemical additives. The interaction of these additives with the powder materials in the nano and micro scales affects the fresh and ...
Kenan Toklu   +2 more
doaj   +1 more source

Influence of Polycarboxylate Superplasticizer on the Properties of Cement-Fly Ash Cementitious Materials and Concrete

open access: yes, 2022
Concrete materials often crack due to the temperature field caused by the early heat of hydration, affecting structural safety and normal use. To solve this problem, this paper proposes the method of incorporating polycarboxylate superplasticizer to ...
Yuling Zhu   +7 more
core   +1 more source

Incorporating graphene oxide into lime solution: A study of flocculation and corresponding improvement

open access: yesMateriales de Construccion, 2018
The dispersion behavior of graphene oxide in cement matrix is one important factor in enhancing cement performance. In this work, we investigated the dispersion of graphene oxide in cement by simulating alkaline environment with a solution of calcium ...
G. J. Jing   +5 more
doaj   +1 more source

Phosphonated superplasticizers synthesis: adsorption, dispersion and fluidification ability on calcium carbonate suspensions.

open access: yesEPJ Web of Conferences, 2017
Superplasticizers are chemical admixtures used to fluidize cement pastes. Among them, polycarboxylate are comb-like copolymers with carboxylic acid and poly(ethylene glycol) side chains.
Tramaux A.   +6 more
doaj   +1 more source

Dispersion of Carbon Nanotubes with Different Types of Superplasticizer as a Dispersing Agent for Self-Sensing Cementitious Materials

open access: yesApplied Sciences, 2021
Due to their exceptional electrical properties, carbon nanotubes (CNTs) can be applied as conductive fillers to develop self-sensing cement-based matrices.
Pedro de Almeida Carísio   +5 more
doaj   +1 more source

Effect of polycarboxylate superplasticizer on hydration and properties of belite ye’elimite ferrite cement paste

open access: yes, 2022
International audienceBelite-Ye’elimite-Ferrite (BYF) cements have received increasing attention in view of their lower CO2 footprint and their interesting performances.
Le Saout, Gwenn   +3 more
core   +1 more source

Evaluating the Antimicrobial Properties of Glass Ionomer, Zinc Phosphate, and Polycarboxylate Cement

open access: yesMajallah-i dānishgāh-i ̒ulūm-i pizishkī-i Arāk, 2021
Background and Aim: There exists increased demineralization risk of enamel adjacent to fixed orthodontic attachments by cariogenic bacterias (e.g., Streptpcoccus mutans, Streptpcoccus sobrinus) and inadequate data about commonly used orthodontic cements.
Rahil Mirzaei   +6 more
doaj  

Methodological Substantiation of the choice for a stabilizer for bismuth titanate fine particles suspensions [PDF]

open access: yesНанотехнологии в строительстве, 2023
: Introduction. The current stage of the construction industry and building materials science development involves the introduction and widespread application of nano- and fine particles capable of improving the properties of traditional materials ...
Svetlana V. Samchenko   +3 more
doaj   +1 more source

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