Process for producing porous, spherical particles

A process for producing porous, spherical particles of cellulose fatty acid esters which comprises dissolving a cellulose fatty acid ester and a gelling agent therefor in an organic solvent, adding the solution thus obtained to an aqueous medium with stirring to form droplets, converting said drople...

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Bibliographic Details
Main Author KAGOTANI; MASAHIRO
Format Patent
LanguageEnglish
Published 26.06.1990
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:A process for producing porous, spherical particles of cellulose fatty acid esters which comprises dissolving a cellulose fatty acid ester and a gelling agent therefor in an organic solvent, adding the solution thus obtained to an aqueous medium with stirring to form droplets, converting said droplets to gel particles of cellulose fatty acid ester in the presence or absence of a gelation accelerator, and separating porous, spherical particles of cellulose fatty acid ester.
Bibliography:Application Number: US19880144042