Articles with "silica foam" as a keyword



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Polyamine-decorated mesocellular silica foam nanocomposites: Effect of the reaction parameters on the grafted polymer content and silica mesostructure

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Published in 2019 at "Journal of Sol-Gel Science and Technology"

DOI: 10.1007/s10971-019-05070-8

Abstract: Polyvinylamine-coated mesocellular silica foam (MCF) was synthesized by grafting poly(n-vinylformamide) (PNVF) followed by the acid hydrolysis of the formamide groups with hydrochloric acid (HCl) and subsequent neutralization with sodium hydroxide (NaOH). In order to graft… read more here.

Keywords: microscopy; silica; silica foam; mesocellular silica ... See more keywords
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Grafting of thermo- and pH-responsive polymer inside mesoporous silica foam in supercritical carbon dioxide for controlled release of 5-fluorouracil

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Published in 2017 at "Fibers and Polymers"

DOI: 10.1007/s12221-017-7446-7

Abstract: Mesocellular silica foam (MCF) grafted with thermo-responsive and pH-responsive copolymer poly(N-isopropylacrylamide-co-acrylic acid), was prepared by precipitation polymerization using supercritical carbon dioxide (scCO2) as entrainer and solvent. Vinyl-functionalized MCF was first synthesized through post-synthesis via using… read more here.

Keywords: thermo responsive; release fluorouracil; supercritical carbon; silica foam ... See more keywords