METHOD FOR MAKING POLYMER MICROPARTICLES

A method includes spraying a liquid including polymer and a gas substantially inert to the liquid respectively from a first and second orifice of a nozzle into air to form mist of beads. The beads then are collected with a collecting medium at a temperature in a range from about −10° C. to about 80°...

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Bibliographische Detailangaben
Hauptverfasser:	PAN, Zhida, GAO, Jie, LU, Lianghua, SODERMAN, Tobias, E, PENG, Wenqing, CHEN, Lin
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A method includes spraying a liquid including polymer and a gas substantially inert to the liquid respectively from a first and second orifice of a nozzle into air to form mist of beads. The beads then are collected with a collecting medium at a temperature in a range from about −10° C. to about 80° C. The collecting medium includes at least one of water and alcohols.