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Macroporous monolithic poly(4-vinylbenzyl chloride) columns for organic synthesis facilitation by in situ polymerization of high internal phase emulsionsKovačič, Sebastijan ; Krajnc, Peter, 1970-PolyHIPE materials are produced by polymerizing the continuous phase of emulsions where the internal phase volume fraction is higher than 74%. Columns of flow-through supports for immobilized ... scavengers and reagents were prepared by polymerizing the continuous phase of high internal phase emulsions containing 4-vinylbenzyl chloride and divinylbenzene. Emulsions were placed in containers and polymerized in situ. Highly porous (80% pore volume) monolithic columns with chloromethyl functionalities and crosslinked with divinylbenzene (6% or 40%) were obtained and functionalized by a flow-through method, immobilizing tris(2-aminoethyl)amine, diethanolamine, and 4-bromophenylboronic acid. Columns with immobilized tris(2-aminoethyl)amine were applied for the effective removal of acid chlorides from the solution pumped through the column. Flow properties (back pressure versus flow rate) were characterized for dichloromethane, N,N-dimethylformamide and acetonitrile. High effectiveness of columns were demonstrated by an over 90% of acid chloride removal from the solution after a single pass-flow of the solution through the column. The morphology of the column material was characterized by scanning electron microscopy and showed no damage of the material after the flow-through utilization. Good permeative properties of the interconnected porous structure make polyHIPE columns good candidates for supports for reagents and catalysts.Vir: Journal of polymer science. Part A, Polymer chemistry. - ISSN 0887-624X (Vol. 47, iss. 23, 2009, str. 6726-6734)Vrsta gradiva - članek, sestavni delLeto - 2009Jezik - angleškiCOBISS.SI-ID - 13555478
vir: Journal of polymer science. Part A, Polymer chemistry. - ISSN 0887-624X (Vol. 47, iss. 23, 2009, str. 6726-6734)
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Kovačič, Sebastijan | 28412 |
Krajnc, Peter, 1970- | 15501 |
Vir: Osebne bibliografije
in: SICRIS
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