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- W2070733312 abstract "The incorporation of small molecular weight active agents into polymeric matrixes bearing controlled release characteristics represents an interesting strategy with numerous useful applications. Antimicrobials, biocides, fungicides or drugs, encapsulated into erodible or non-erodible polymeric micro-spheres, micro-capsules and micro-shells or/and embedded into continuous polymeric matrixes, are controlled released either by particular degradation routes or/and by specific stimuli. Cross-linking, curing or micro-porosity generating agents acting during polymerization impart additional controlled encapsulation characteristics to the active substances. Release modulating agents, like retardants or carrier materials used as vehicles are often encapsulated into microspheres or dispersed within polymeric compositions for the controlled introduction of an active agent into a liquid-based medium. The aim of this review is to reveal relevant strategies reported in recent patents on the encapsulation or incorporation of low molecular weight active agents into the matrix of polymers bearing controlled release characteristics. The inventions described implicate the formation of both erodible and non erodible polymer microparticles that contain active ingredients. Modification of polymer matrix and inorganic porous carriers represent pertinent major strategies that have been also developed and patented. Keywords: Incorporation, microencapsulation, microspheres, microcapsules, antimicrobial, pharmaceuticals, biocides, polymer, release, controlled release" @default.
- W2070733312 created "2016-06-24" @default.
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- W2070733312 date "2008-06-01" @default.
- W2070733312 modified "2023-10-14" @default.
- W2070733312 title "Incorporation of Small Molecular Weight Active Agents into Polymeric Components" @default.
- W2070733312 doi "https://doi.org/10.2174/187221108784534108" @default.
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