Journal
AUSTRALIAN JOURNAL OF CHEMISTRY
Volume 64, Issue 8, Pages 1074-1082Publisher
CSIRO PUBLISHING
DOI: 10.1071/CH11130
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Funding
- MRSEC of the National Science Foundation [DMR-0212302]
- National Science foundation [DMR-1006370]
- USA Air Force
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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.
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