Effect of hyperbranched surface-migrating additives on the electrospinning behavior of poly(methyl methacrylate)

Matthew T. Hunley, Adam Harber, Joshua A. Orlicki, Adam M. Rawlett, Timothy Edward Long

研究成果: Article査読

33 被引用数 (Scopus)

抄録

Poly(methyl methacrylate) (PMMA) was electrospun in the presence of a low molecular weight, hyperbranched polyethylene imine) additive partially functionalized with perfluorinated and aliphatic end-groups (M n ∼ 1600 g/mol). The additive exhibited surface segregation with an insignificant influence on the rheological behavior of PMMA solutions. A morphological transition from beaded electrospun fibers to uniform fibers was observed upon introduction of additive at low PMMA concentrations. XPS revealed a surface enrichment of fluorine and nitrogen, which are both present in the hyperbranched additive. Surface fluorine content depended primarily on the amount of additive in solution, and a dependency on the PMMA/additive weight ratio was not observed.

本文言語English
ページ(範囲)654-657
ページ数4
ジャーナルLangmuir
24
3
DOI
出版ステータスPublished - 2008 2 5
外部発表はい

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

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