Robust nanoporous membranes templated by a doubly reactive block copolymer

Liang Chen, William A. Phillip, E. L. Cussler, Marc A. Hillmyer

Research output: Contribution to journalArticlepeer-review

107 Scopus citations


We demonstrated a novel approach to produce robust bicontinuous nanoporous polymer membranes by ring-opening metathesis polymerization of a new norbornene-functional diblock copolymer and dicyclopentadiene followed by selective removal of a chemically etchable polylactide block. Polymerization-induced phase separation from the initial homogeneous tetrahydrofuran solution of all components led to a disordered but cocontinuous structure in the resulting cross-linked plastics. After polylactide removal, the nanoporous (ca. 20 nm pores) membranes exhibited excellent thermal stability and mechanical toughness, high specific surface areas, narrow pore size distributions, and good permeability.

Original languageEnglish (US)
Pages (from-to)13786-13787
Number of pages2
JournalJournal of the American Chemical Society
Issue number45
StatePublished - Nov 14 2007


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