화학공학소재연구정보센터
Macromolecular Research, Vol.18, No.1, 53-58, January, 2010
Hydroxypropyl Methylcellulose-graft-Poly(ethyl acrylate-co-methyl methacrylate) Particles by Resin-fortified Emulsion Polymerization
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This article describes the preparation and characterization of hydroxypropyl methylcellulose-graftpoly(ethylacrylate-co-methyl methacrylate) particles [HPMC-g-poly(EA-co-MMA) NPs]. The particles were prepared by resin-fortified emulsion polymerization using ceric ammonium nitrate (CAN). In this study, a series of HPMC-g-poly(EA-co-MMA) NPs were synthesized by varying the CAN : HPMC and HPMC : (EA/MMA) ratios to determine the effects of these variables on the physical properties of HPMC-g-poly(EA-co-MMA) as well as the dissolution behavior of an aspirin tablet, as a model drug. The drug dissolution profiles of the coated tablets were affected significantly by the HPMC : (EA/MMA) molar ratio.
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