ArticlePolymers2017
Aggregation Behavior of Nano-Silica in Polyvinyl Alcohol/Polyacrylamide Hydrogels Based on Dissipative Particle Dynamics.
Article in Polymers, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 23 citations in OpenAlex.
- Experimental and theoretical investigation of cationic-based fluorescent-tagged polyacrylate copolymers for improving oil recovery.Scientific reports · 2024Article
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- Computational and experimental studies on the micellar morphology and emission mechanisms of AIE and H-bonding fluorescent composites.RSC advances · 2023Article
- Role of Interface Structure and Chain Dynamics on the Diverging Glass Transition Behavior of SSBR-SiOACS omega · 2020Article
- Study on Large Deformation Behavior of Polyacrylamide Hydrogel Using Dissipative Particle Dynamics.Frontiers in chemistry · 2020Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
Abstract
Due to the aggregation behavior of nano-silica in aqueous solution, the use of nano-silica without surface modification for synthesizing hydrogels is still a challenging task. This paper presents our study on the use of dissipative particle dynamics simulations to discover the aggregation behavior of nano-silica in polyvinyl alcohol (PVA)/polyacrylamide (PAM) blended hydrogels. By simulations, we aimed at investigating the effects of such factors as nano-silica content, polymer component ratio, temperature and shear rate on the aggregation behavior of nano-silica in terms of the mesoscopic morphologies and the relative concentration distribution functions. Our results reveal that the dispersion of nano-silica is seen if the nano-silica content is increased to 1.5%, and the aggregation of nano-silica becomes noticeable in blended hydrogels with an increase in the nano-silica content. This finding agrees well with the experimental results obtained by means of scanning electron microscopy. Furthermore, it is also found that the dispersion of nano-silica becomes more uniform with an increase in PAM content, temperature and shear rate. These findings greatly enrich our understanding of the aggregation behavior of nano-silica in PVA/PAM blended hydrogels.
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Registered trials
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