Free-Standing Macroinitiator Thin Film for Bifacial Polymer Chain Grafting

Al De Leon, Rigoberto C. Advincula

Research output: Contribution to journalArticle

Abstract

The study reports the fabrication of a free-standing reactive macroinitiator thin film via simple layer-by-layer assembly and dissolution of the sacrificial layer. The resulting macroinitiator thin film can be postfunctionalized by grafting polymer brush from it. Since the thin film is free from any substrate, bifacial functionalization can be done on the free-standing film. This approach is expected to significantly increase the functionality of free-standing polymer brush for most applications like catalysis and sensor because of the increase in functional group density per area. A facile approach of fabricating a free-standing reactive thin film via a layer-by-layer approach is discussed. The free-standing film has been shown to contain functional groups at which polymer brushes can be grafted from. To demonstrate the reactivity of the fabricated free-standing film, two types of polymers, polystyrene and poly(methyl methacrylate), are grown from the surface.

Original languageEnglish
Pages (from-to)1888-1893
Number of pages6
JournalMacromolecular Chemistry and Physics
Volume216
Issue number18
DOIs
Publication statusPublished - 2015 Sep 1
Externally publishedYes

Fingerprint

Polymers
Brushes
brushes
Thin films
polymers
thin films
Functional groups
Polystyrenes
Polymethyl Methacrylate
Polymethyl methacrylates
Catalysis
Dissolution
polymethyl methacrylate
catalysis
polystyrene
dissolving
Fabrication
reactivity
assembly
Sensors

Keywords

  • ATRP
  • free-standing film
  • layer-by-layer assembly
  • macroinitiator
  • polystyrene
  • reactive thin film

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

Free-Standing Macroinitiator Thin Film for Bifacial Polymer Chain Grafting. / De Leon, Al; Advincula, Rigoberto C.

In: Macromolecular Chemistry and Physics, Vol. 216, No. 18, 01.09.2015, p. 1888-1893.

Research output: Contribution to journalArticle

De Leon, Al ; Advincula, Rigoberto C. / Free-Standing Macroinitiator Thin Film for Bifacial Polymer Chain Grafting. In: Macromolecular Chemistry and Physics. 2015 ; Vol. 216, No. 18. pp. 1888-1893.
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