METHODS OF MAKING CELLULOSE ESTER MICROBEADS WITH SOLVENT REMOVAL PRIOR TO MICROBEAD HARDENING

Methods of making cellulose ester (CE) microbeads are provided. The CE microbeads are produced by forming initial CE microparticles suspended in a Equid phase, and converting the microparticles to hardened CE microbeads. The produced microbeads are biodegradable, and have enhanced solidity, spherici...

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Hauptverfasser:	PACE, Robert, WEAKLEY, Garry, PITTS, Timothy, SHOAF, Glenn, PARKER, Kenny, VISNESKI, Michael
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Zusammenfassung:	Methods of making cellulose ester (CE) microbeads are provided. The CE microbeads are produced by forming initial CE microparticles suspended in a Equid phase, and converting the microparticles to hardened CE microbeads. The produced microbeads are biodegradable, and have enhanced solidity, sphericity, and smoothness. L'invention concerne des procédés de fabrication de microbilles d'ester de cellulose (CE). Les microbilles de CE sont produites par formation de microparticules de CE initiales en suspension dans une phase liquide, et par conversion des microparticules en microbilles de CE durcies. Les microbilles produites sont biodégradables et présentent une solidité, une sphéricité et un lissé améliorés.