Nanoporous polystyrene containing hydrophilic pores from an ABC triblock copolymer precursor

Javid Rzayev, Marc A. Hillmyer

Research output: Contribution to journalArticlepeer-review

125 Scopus citations

Abstract

A route to nanoporous polystyrene monoliths with controlled pore wall functionality from the degradation of ordered ABC triblock copolymers was described. Size exclusion chromatography (SEC) analysis indicated high reinitiation efficiency for all segments, and the final triblock copolymer was obtained with a number-average molecular weight of 46 kg mol -1 and a polydispersity index (PDI) of 1.12. Small-angle x-ray scattering (SAXS) analysis of the degraded monoliths confirmed the retention of the principal spacing, hexagonally ordered structure and degree of orientation. It was demonstrated that nanoporous polystyrene can be prepared with aligned, narrow-size-distribution hydrophilic pores that render the materials water-compatibility.

Original languageEnglish (US)
Pages (from-to)3-5
Number of pages3
JournalMacromolecules
Volume38
Issue number1
DOIs
StatePublished - Jan 11 2005

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