Abstract

Adding nanoparticles into polymer solutions before electrospinning creates unique hierarchical morphologies dispersed throughout small diameter nanoparticle-polymeric fibers. Effects of polymer composition, nanoparticle (NP) type, loading, and electrospinning voltage conditions were studied. As examples, indium, iron, and titanium oxide engineered nanoparticles (NPs) were dispersed into polyvinylpyrrolidone or polystyrene and electrospun. NP loadings below 5 wt % did not affect critical voltage required for Taylor cone formation, whereas higher NP loadings require higher critical voltages. Polymeric fiber thickness and macroscopic morphology is not impacted by up to 5 wt % NP loadings, and NP dispersion throughout the fibers were similar to their dispersion in initial polymer suspension. NP loadings above 5 wt % increased viscosity, which decrease subsequent fiber diameter. Experiments in water containing inorganic and organic pollutants in water demonstrate that the polymer is largely nonporous. This work enables design of multifunctional nanomaterial-polymer composite fibers for wide-ranging applications such as water and air treatment.

Original languageEnglish (US)
Article number43811
JournalJournal of Applied Polymer Science
Volume133
Issue number33
DOIs
StatePublished - Sep 5 2016

Fingerprint

Oxides
Nanocomposites
Polymers
Metals
Nanoparticles
Fibers
Electrospinning
Water
Electric potential
Povidone
Organic pollutants
Titanium oxides
Polystyrenes
Polymer solutions
Iron oxides
Nanostructured materials
Indium
Cones
Suspensions
Viscosity

Keywords

  • electrospinning
  • fibers
  • nanocrystals
  • nanoparticles
  • nanowires

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Surfaces, Coatings and Films
  • Chemistry(all)

Cite this

Morphology, structure, and properties of metal oxide/polymer nanocomposite electrospun mats. / Hoogesteijn Von Reitzenstein, Natalia; Bi, Xiangyu; Yang, Yu; Hristovski, Kiril; Westerhoff, Paul.

In: Journal of Applied Polymer Science, Vol. 133, No. 33, 43811, 05.09.2016.

Research output: Contribution to journalArticle

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AU - Hoogesteijn Von Reitzenstein, Natalia

AU - Bi, Xiangyu

AU - Yang, Yu

AU - Hristovski, Kiril

AU - Westerhoff, Paul

PY - 2016/9/5

Y1 - 2016/9/5

N2 - Adding nanoparticles into polymer solutions before electrospinning creates unique hierarchical morphologies dispersed throughout small diameter nanoparticle-polymeric fibers. Effects of polymer composition, nanoparticle (NP) type, loading, and electrospinning voltage conditions were studied. As examples, indium, iron, and titanium oxide engineered nanoparticles (NPs) were dispersed into polyvinylpyrrolidone or polystyrene and electrospun. NP loadings below 5 wt % did not affect critical voltage required for Taylor cone formation, whereas higher NP loadings require higher critical voltages. Polymeric fiber thickness and macroscopic morphology is not impacted by up to 5 wt % NP loadings, and NP dispersion throughout the fibers were similar to their dispersion in initial polymer suspension. NP loadings above 5 wt % increased viscosity, which decrease subsequent fiber diameter. Experiments in water containing inorganic and organic pollutants in water demonstrate that the polymer is largely nonporous. This work enables design of multifunctional nanomaterial-polymer composite fibers for wide-ranging applications such as water and air treatment.

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