Journal
MACROMOLECULAR REACTION ENGINEERING
Volume 4, Issue 6-7, Pages 445-452Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mren.200900075
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Funding
- Div Of Biological Infrastructure
- Direct For Biological Sciences [830093] Funding Source: National Science Foundation
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Polymeric porous membranes were fabricated from templates made from silica particles. The templates were obtained by self-assembly and by the Langmuir-Blodgett (L-B) technique. For the self-assembly technique, suspensions of silica particles in ethanol were used to create the deposits. L-B deposition was employed to produce templates of different particle sizes for the fabrication of asymmetric membranes. Two different polymers were tested to fabricate membranes: polystyrene (PS) and the diethyleneglycol dimethacrylate (DEGDMA)/urethane dimethacrylate (UDMA) copolymer. Templates and porous films were observed by SEM in order to analyze the pore morphology. Permeability of the poly (DEGDMA/UDMA) films was comparable to commercially available membranes. Proposed applications for these ordered porous structures include, sensors, filters, and catalytic materials.
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