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Investigation of Microencapsulation by ionic trace Technique

Bai Guangyue;Liu Chibiao;Wang Yujie;Ma Zanfang;Sun Wendong;Wu Zisheng;Zhang Hezhe(Department of Chemistry,Northeast Normal University,Changchun, 130024)  
Details the microencapsulation procedure by drying method in liquid. The practical process of the core material release was investigated by measuring the release ratio of Cr_2O_7 ̄(2-) in core material during the drying process. The results shows that the release of core material is caused by breakup of W/O in process of rapid dispersion in drying liquid and W/O/W during the drying process. Under proper experimental conditions,the microencapsulated ratio of the core material can be above 90%
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