Reticulated Nanoporous Polymers by Controlled Polymerization-Induced Microphase Separation

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Science  15 Jun 2012:
Vol. 336, Issue 6087, pp. 1422-1425
DOI: 10.1126/science.1221383

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Porous Blocks

Porous materials are widely used in separation processes and catalysis. Seo and Hillmyer (p. 1422) used block copolymers that naturally separate into domains to achieve a continuous network of pores. A chain transfer agent was used to direct the copolymerization of the two materials in situ to generate a structure with a percolating porous structure with pore sizes of a few nanometers and with tunable control over the polymer properties and extent of cross-linking.