期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 131, 期 -, 页码 1032-1037出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2019.03.107
关键词
Pickering emulsion; Starch; Nanoparticles; Inverse emulsion; Pickering polymerization; Poly(N-isopropyl acrylamide)
资金
- National Natural Science Foundation of China [51673191, 21774124, U1762106]
- Science and Technology Cooperation of the Chinese Academy of Sciences [2018SYHZ0008]
- Jilin Province Science and Technology Development Project Foundation [201603101YY]
- Changchun Science and Technology Bureau Project [18YJ023]
Inverse Pickering emulsions stabilized by naturally derived particles are of interesting during the past decade. In this study, starch-based nanoparticles were used as a particulate emulsifier to stabilize a w/o Pickering emulsion. The effects of particle concentration and oil volume fraction on the emulsion type and stability were investigated in detail. Catastrophic phase inversion from o/w to w/o emulsions occurred at a volume fraction of oil of 03-0.4, without altering the particle wettability. Further, a linear relation existed between the average droplet diameter and total amounts of starch-based nanoparticles. The obtained starch-based nanoparticles also served as a Picketing stabilizer to conduct a w/o Pickering polymerization. Raspberry-like thermoresponsive starch-poly(N-isopropyl acrylamide) nanocomposites with a well-defined structure were synthesized. (C) 2019 Published by Elsevier B.V.
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