An ordered nanoporous monolith from an elastomeric crosslinked block copolymer precursor

Kevin A. Cavicchi, Andrew S. Zalusky, Marc A. Hillmyer, Timothy P. Lodge

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

An ordered nanoporous monolith was prepared from a poly(isoprene-b- dimethylsiloxane) (PI-PDMS) hexagonally packed cylinder precursor. The PDMS cylinders were macroscopically aligned, the PI was crosslinked with dicumyl peroxide, and the PDMS was removed using tetrabutylammonium fluoride. The stability of the pores depended on the modulus of the matrix. At high crosslink density the pores were stable, but they collapsed at a low crosslink density. The nanoporous materials could be swollen in toluene.

Original languageEnglish (US)
Pages (from-to)704-709
Number of pages6
JournalMacromolecular Rapid Communications
Volume25
Issue number6
DOIs
StatePublished - Mar 19 2004

Keywords

  • Block copolymer
  • Crosslinking
  • Nanoporous

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