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Reference type: Journal
Authors: Kuzmic AE, Vukovic R, Bogdanic G, Smit I, Fles D
Article Title: A new approach to the preparation of molecularly imprinted polymers [Novi pristup priredivanju molekulski tiskanih polimera].
Publication date: 2005
Journal: Polimeri (Zagreb)
Volume: 26
Issue: (2)
Page numbers: 63-68.
Alternative URL: http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=2587

Abstract: This paper describes the synthesis and polymerization of acrylic monomers which contain dicyclohexylurea (DCU) as a pendant group. Crosslinked copolymers of these monomers with ethylene glycol dimethacrylate (EDMA) were prepared under the standard free radical initiated polymerization with dibenzoyl-peroxide (Bz2O2) as initiator, in butanone at 70 C, up to high conversion. It was found that copolymers, regardless of the ratio of comonomers in the feed. thermally decompose by the two-step mechanism under the separation of almost quantitative yield of cyclohexylisocyanate, in the temperature range from 180 C to 250 C. The residues left by the removal of isocyanate were thermally stable crosslinked molecularly imprinted copolymers of acryl-cyclohexylamide (A-CHA) with EDMA, which decompose by a one-step mechanism between 300 C and 450 C. In order to compare the properties of nanoporous crosslinked copolymers of A-CHA with EDMA with those of nonporous poly(A-CHA-co-EDMA) of the same molar composition, nonporous copolymers were prepared by the polymerization of A-CHA with EDMA under the conditions described above
Author keywords: Molecularly imprinted copolymer, imprinted copolymers, nanoporous copolymers, nonporous copolymers, poly(acryl-N,N'-dicyclohexylurea-co-ethylene-glycol dimethacrylate), poly(acryl-N-cyclohexylamide-co-ethylene-glycol dimethacrylate), thermal properties


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