Functionalized nanoporous membranes from reactive triblock polymers

Mark A. Amendt, Monique Roerdink, Sarah Moench, William A. Phillip, Edward L. Cussler, Marc A. Hillmyer

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Hydrophilic and stimuli responsive nanoporous poly(dicyclopentadiene) membranes are prepared using reactive ABC triblock polymers consisting of a chemically etchable 'A' block, poly(lactide), various functionalized 'B' blocks, and a metathesis-reactive 'C' block, poly(styrene-stat-norbornenylethylstyrene) .A membrane with a bicontinuous structure is formed by reaction-induced phase separation during the metathesis crosslinking of dicyclopentadiene in the presence of the ABC triblock polymers. Selective etching of the poly(lactide) block exposed the functionality contained in the B block. Hydrophilic membranes are prepared from a triblock polymer with a poly(N,N-dimethylacrylamide) B midblock as evidenced by static contact angle measurements in comparison to AC diblock templated membranes. Temperature responsive membranes are prepared from a triblock polymer with a poly(N-isopropylacrylamide) B block.

Original languageEnglish (US)
Pages (from-to)1074-1082
Number of pages9
JournalAustralian Journal of Chemistry
Issue number8
StatePublished - Aug 29 2011

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