One-step grafting reaction of thermoresponsive polymer brushes over silica nanoparticles
Colloid and Polymer Science, ISSN: 1435-1536, Vol: 300, Issue: 9, Page: 1087-1099
2022
- 2Citations
- 4Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Hybrid nanomaterials were synthesized via grafting poly(N-isopropylacrylamide) (PNIPAM) over silica nanoparticles in a one-pot reaction using the internal and external surface of the nanoparticles as a microreactor system. Silica nanoparticle properties were tuned through templating and pore-swelling agents which allows obtaining spherical and elongated morphologies. Polymerization reactions were carried out at 80 °C for 4 h, using two initiator systems and N,N′-methylenebisacrylamide as a cross-linker. The structures obtained were studied by SEM and TEM micrographs, and the presence of polymer was confirmed through HNMR and FTIR analysis. The thermoresponsive behavior was analyzed by DLS and DSC. It was found that the silica core structure and the initiator solubility affect considerably the aggregation and the size distribution of the grafted nanoparticles. Therefore, it is observed that different parameters can be used to drive grafting reactions without any previous functionalization step on the core surface, showing a straightforward method for their production.
Bibliographic Details
Springer Science and Business Media LLC
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