期刊
LANGMUIR
卷 30, 期 44, 页码 13405-13410出版社
AMER CHEMICAL SOC
DOI: 10.1021/la503234z
关键词
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资金
- ConocoPhillips
- BASF Advanced Research Initiative @ Harvard University
- National Science Foundation [DMR-1310266]
- Harvard MRSEC [DMR-0820484]
We use microfluidics to continuously produce monodisperse polyurea microcapsules (PUMCs) having either aqueous or nonaqueous cores. The microcapsule shells are formed by the reaction between an isocyanate, dissolved in oil, and an amine, dissolved in water, at the surface of oil-in-water or water-in-oil drops immediately as they are formed. Different microcapsule morphologies can be generated using our approach. The thickness of the microcapsule shell increases with an increase in the amine solubility in the oil; this finding provides a simple mechanism by which the PUMC shell thickness can be controlled.
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