期刊
CARBOHYDRATE POLYMERS
卷 85, 期 1, 页码 208-214出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2011.02.016
关键词
Starch; Nanoparticle; Extrusion; Crosslinker
In this study, starch nanoparticles were prepared by a reactive extrusion method. The mechanism of starch nanoparticle formation during extrusion was investigated. The effects of extrusion conditions, including temperature (50-100 degrees C), screw speed, torque, starch water content and crosslinker addition, on particle size were studied. The results indicate that, with the addition of appropriate crosslinkers, the starch particles with an average size about 160nm could be obtained. The morphology, crystalline property, and rheological properties of starch nanoparticles were also characterized. (C) 2011 Elsevier Ltd. All rights reserved.
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