一種核殼結構之次微米顆粒的製備方法METHOD OF MANUFACTURING CORE-SHELL SUBMICRON SPHERES

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

13/427,361

專利證號

US 8,829,081 B2

專利獲證名稱

一種核殼結構之次微米顆粒的製備方法METHOD OF MANUFACTURING CORE-SHELL SUBMICRON SPHERES

專利所屬機關 (申請機關)

國立中央大學

獲證日期

2014/09/09

技術說明

本發明係在提供具有核殼結構次微米顆粒的製備方法，其包含如下製備步驟。加熱含有成核單體的乳液，使其溫度為沸騰點下10℃至沸騰點。執行成核步驟，加入起始劑水溶液至加熱後之乳液中，並進行攪拌，以讓成核單體進行無乳化劑乳化聚合反應，以得到核聚合物。執行成殼步驟，當無乳化劑乳化聚合反應的轉換率為10-95 %時，加入成殼單體至乳液中，並在溫度為沸騰點下50℃至沸騰點，加熱攪拌，以形成殼聚合物在核聚合物表面。 A method of manufacturing a core-shell structure submicrospheres is disclosed. The method comprises steps hereafter. A emulsion containing a nucleation monomer is heated to a temperature of 10℃ below boiling point to the boiling point of the emulsion. A nuclei formation step is performed by adding an initiator solution to the heated emulsion under stirring condition to start an emulsifier-free emulsion polymerization thereby forming a plurality of nuclei polymer. When the conversion of the emulsion polymerization is 10% to 95%, a shell formation step is performed by adding a shell monomer into the latex emulsion at a temperature of 50℃ below boiling point to the boiling point of the emulsion under stirring condition thereby forming a shell polymer on the nuclei polymer.

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