期刊
POLYMERS
卷 10, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/polym10080855
关键词
corn straw; superfine grinding; starch-based film; mechanical properties
资金
- Beijing Municipal Natural Science Foundation [6182022]
- Chinese Universities Scientific Fund [2018QC062]
- National Natural Science Foundation of China [31301593, 31501435]
In this study, corn straw (CS) was reduced in size using the superfine grinding process to generate powders with particles of varying sizes (9 similar to 16 mu m). The lignin, hemicellulose, and cellulose content; particle size distribution; and scanning electron microscopy (SEM) of the CS samples were analyzed. Superfine CS, of varying particle sizes, was added to the starch-based films (SF) in various amounts. The resulting corn straw starch-based films (CS/SFs) appeared to have significantly different properties, compared to the original starch-based film (SF, p < 0.05). The power law model and Burger's model were used to investigate the dynamic mechanical analysis, which indicated that the mechanical properties of CS/SF performed better than that of SF, especially CS/SFs at 0.5-1.5 h ball milling and CS/SFs at a 15% addition amount. The power law model and Burger's model also presented a strong correlation with the experimental data (>0.90).
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