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Ordered Mesoporous Polymers of Tunable Pore Size from Colloidal Silica Templates

Stacy A. Johnson, Patricia J. Ollivier and Thomas E. Mallouk
Science
New Series, Vol. 283, No. 5404 (Feb. 12, 1999), pp. 963-965
Stable URL: http://www.jstor.org/stable/2897718
Page Count: 3
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Abstract

Ordered mesoporous polymers have been prepared by replication of colloidal crystals made from silica spheres 35 nanometers in diameter. The pores in the colloidal crystals were filled with divinylbenzene (DVB), ethyleneglycol dimethacrylate (EDMA), or a mixture of the two. Polymerization and subsequent dissolution of the silica template leaves a polycrystalline network of interconnected pores. When mixtures of DVB and EDMA are used, the pore size of the polymer replicas can be varied continuously between 35 and 15 nanometers because the polymer shrinks when the silica template is removed.

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