Microcapsules prepared from starch derivatives |
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| Authors: | M G DUARTE D BRUNNEL M H GIL E SCHACHT |
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| Affiliation: | (1) Department of Biochemistry, FCTUC-University of Coimbra, 3000 Coimbra, Portugal;(2) Department of Organic Chemistry, Biomaterial Research Group-University of Ghent, Krijgslaan 281(S-4), B-9000 Ghent, Belgium |
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| Abstract: | In this work, vinyl groups were introduced on soluble starch by reaction with 2-vinyl-4,4-dimethyl-2-oxazolin-5-one. The polysaccharides obtained were characterized by 1H-NMR and DSC. The 1H-NMR spectra showed high degrees of substitution and the DSC thermograms suggest a low crystallinity in the modified starch. The modified starch was used to obtain microcapsules prepared through interfacial crosslinking with DPGDA (dipropyleneglycol diacrylate) by a water-in-oil emulsion polymerization. |
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