期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 12, 期 3, 页码 1908-1920出版社
MDPI
DOI: 10.3390/ijms12031908
关键词
natural-synthetic; chitosan; molecular interactions; electrospinning; PET
资金
- DGEST [P333-05]
- CONACyT, Mexico City [JI-58232]
Chitosan is an amino polysaccharide found in nature, which is biodegradable, nontoxic and biocompatible. It has versatile features and can be used in a variety of applications including films, packaging, and also in medical surgery. Recently a possibility to diversify chitosan properties has emerged by combining it with synthetic materials to produce novel natural-synthetic hybrid polymers. We have studied structural and thermophysical properties of chitosan + starch + poly(ethylene terephthalate) (Ch + S + PET) fibers developed via electrospinning. Properties of these hybrids polymers are compared with extant chitosan containing hybrids synthesized by electrospinning. Molecular interactions and orientation in the fibers are analyzed by infrared and Raman spectroscopies respectively, morphology by scanning electron microscopy and thermophysical properties by thermogravimetric analysis and differential scanning calorimetry. Addition of PET to Ch + S systems results in improved thermal stability at elevated temperatures.
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