Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 35, Issue 10, Pages 976-980Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201400038
Keywords
cobaltporphyrin; facilitated transport; Michael addition; network polymer; oxygen permeability
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Funding
- MEXT, Japan [24225003]
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Network polymers of cobaltporphyrin derivatives are prepared by a facile click reaction via the Michael addition of acetoacetate-substituted tetraphenyl cobaltporphyrin and tri- or tetra-acrylates. The conversion is saturated for 1 h in the presence of a catalyst, which almost reaches the same gelation point of the formed network polymers. Deeply and homogeneously red-colored membranes with a sub-micrometer thickness are yielded on a porous supporting membrane. They are still tough even with a very high content of the rigid porphyrin residue. The oxygen permeability is high, at 10-100 Barrer, and the oxygen/nitrogen permselectivity (P-O2/P-N2) is significantly enhanced with the porphyrin content reaching 30, for the membranes with ca. 70 wt% porphyrin content.
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