Synthesis, characterization and mechanism of polycarboxylate
Study on Preparation of Low Sensitive and Stable Type Polycarboxylate Superplasticizer Small Monomers; Effect of different synthesis temperature on the bleeding performance of polycarboxylate superplasticizer; Study on performance stability of Polycarboxylate Superplasticizer prepared at different temperatures
Progresses in Synthesis of Polycarboxylate Superplasticizer
Researchers developed excellent PCE with higher water reduction, good adaptability, and other good performances. At the same time, they have been trying to broaden sources of raw materials and synthetic processes, reduce the cost of production, and improve the quality of stability step by step.
Study on performance stability of Polycarboxylate
The effects of initial dropping temperature, amount of ferrous sulfate and dropping time on the performance of Polycarboxylate Superplasticizer were studied, and the measures to maintain the...
Effect of sulfonation modification of polycarboxylate
The purpose of this research is to offer an avenue with great potentials to synthesize a novel PCE with excellent workability retention and sulfate tolerance in fresh cement pastes. This sulfonate-modified polycarboxylate superplasticizer has great potentials as a viable alternative to conventional PCE, especially in some harsh cement systems.
HV6128 - Institute of Physics
polycarboxylate superplasticizer continues to grow. Polycarboxylate superplasticizer is a kind of surfactant containing carboxyl grafted copolymer in molecules, and its unique molecular structure makes it have many unique advantages, such as low dosage, high water reduction rate, significant early strength growth, satisfactory keeping slump, no
- Does polycarboxylate superplaticizer with hydroxyethyl group have good dispersing performance?
- And the slump retention mechanism was analyzed. The results show that the polycarboxylate superplaticizer with hydroxyethyl group prepared in this study has good dispersing performance and high slump retention capability for concrete. Export citation and abstract BibTeX RIS
- What is polycarboxylate superplasticizer (PCE)?
- As one important auxiliary, superplasticizers have attracted lots of attention in the concrete and building materials field. Specially, polycarboxylate superplasticizer (PCE) has been widely applied due to its relatively low doping amount, high water reducing rate and environmental friendliness property.
- What are viscosity reducing polycarboxylate superplasticizers (Jn-PCE)?
- In this study, we synthesized a series of viscosity-reducing polycarboxylate superplasticizers (JN-PCE) utilizing allyl polyethylene glycol ether (APEG), acrylic acid (AA), and sodium methallyl sulfonate (SMAS) as raw materials through the process of free radical polymerization.
- How are polycarboxylate superplasticizers synthesized?
- In this work, a series of polycarboxylate superplasticizers (PCEs) were synthesized via copolymerization using a novel macromonomer, ethylene–glycol monovinyl polyethylene glycol (EPEG). The molecular structures were modified by varying the side chain length, carboxylate density and integrating sulfonic group.
- Does polycarboxylate superplasticizer alter dispersion and water-reducing effects?
- Polycarboxylate superplasticizer, synthesized using different methods, may alter dispersion and water-reducing effects. The synthesis of PCE involves creating a novel macromolecular monomer with a controllable molecular mass, adjustable lipophilic, and hydrophilic moieties, as outlined in this study.
- What is a polycarboxylate ether superplasticizer?
- 1. Introduction Polycarboxylate-ether superplasticizers (PCEs) are nowadays widely used in cementitious systems to improve the workability of fresh mixes, the compactness and the strength of hardened concrete [, , , , , ].
