PRODUCTION OF POLYESTER PARTICLE

PURPOSE:To obtain the subject polyester particles (group of particles) having 0.1-100mum average particle size and a sharp distribution of particle size. CONSTITUTION:A polyester having one or more kinds of ionic groups such as sulfonic group, carboxylic group, phosphoric group, ammonium group or th...

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Bibliographische Detailangaben
Hauptverfasser:	MAEDA SATOSHI, HOTSUTA YASUNARI, YAMADA YOZO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain the subject polyester particles (group of particles) having 0.1-100mum average particle size and a sharp distribution of particle size. CONSTITUTION:A polyester having one or more kinds of ionic groups such as sulfonic group, carboxylic group, phosphoric group, ammonium group or their salt groups is minutely dispersed in an aqueous medium. The above minutely dispersed particles are combined into one body by elimination of the ionic groups from the minutely dispersed particles, thus obtaining the objective polyester particles.