ArticlePolymers2023
Research of Water Absorption and Release Mechanism of Superabsorbent Polymer in Cement Paste.
Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Toward high sustainability using fully recycled geopolymer concrete: mechanical, rheological, and microstructural properties.RSC advances · 2025Article
- Superabsorbent Core/Shell Composite Materials: A Review on Synthesis, Design and Applications.Polymers · 2025Review
- Design and manufacturing of superabsorbent polymers (SAPs) for agriculture in arid areas.Scientific reports · 2025Article
- Influences of Additives on the Rheological Properties of Cement Composites: A Review of Material Impacts.Materials (Basel, Switzerland) · 2025Review
- Mechanical Properties of Recycled Concrete Incorporated with Super-Absorbent Polymer and Machine-Made Stone Powder under the Freeze-Thaw Cycle Environment.Materials (Basel, Switzerland) · 2024Article
- Investigation of the Compressive Strength and Void Analysis of Cement Pastes with Superabsorbent Polymer.Polymers · 2024Article
- Investigating the Impact of Superabsorbent Polymer Sizes on Absorption and Cement Paste Rheology.Materials (Basel, Switzerland) · 2024Article
- Article
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Authors and funding
6 authors.
Funding
Abstract
The water absorption and release properties of superabsorbent polymers' (SAP) internal curing agent are affected by many factors, such as solution properties, the ambient temperature and humidity and the particle size of SAP, which determine the curing effect and the durability of cement concrete structures directly. In this paper, the variation rule of the water absorbing capacity of SAP in simulated cement paste under different solutions and environmental conditions was studied. Based on microscopic image technology, the dynamic swelling behavior of the SAP particles was explored. The water release performance of SAP in cement paste was analyzed by both the tracer method and the negative pressure method. The results show that the water absorption of SAP in cement paste varied from 27 to 33 times. The ionic valence had a significant effect on the water absorption capacity of SAP, which suggests that the larger the ionic radius, the lower the absorption of SAP. The higher the temperature of the solution, the greater the water absorption rate of SAP. While the SAP particle size was less than 40-80 mesh, a slight 'agglomeration effect' was prone to occur, but the absorption state of SAP was more stable. Based on the swelling kinetic equation of SAP and the time-dependent swelling morphology of SAP in cement paste, a swelling kinetic model was established. The water release performance of SAP was less affected by the capillary negative pressures, and it would not release the water prematurely during the plastic stage, which was conducive to the continuous internal curing process of hardened paste in the later stage.
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Registered trials
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