Abstract
In this study, we utilized regenerated cellulose obtained by dissolving cotton fibers in NaOH/urea/water solution. Subsequently, the performance of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBH) were improved by the strong hydrogen bonds formed by combination of cellulose and PHBH. The effect of cellulose content on structure and properties of biocomposite was comprehensively investigated by scanning electron microscope, fourier transform infrared spectrum, mechanical properties, X-ray diffraction, thermogravimetric analysis, water vapor transmission rate analysis, oxygen permeability analysis, and degradability testing. The biocomposite exhibited an orderly layered structure, which improved the tensile strength of biocomposite. Compared to PHBH, the tensile strength of biocomposite increased from 10.17 to 37.89 MPa. Moreover, the oxygen permeability of biocomposite improved by 70%. The results exhibited that PHBH reinforced with regenerated cellulose biocomposite could be an effective substitute for synthetic plastics, demonstrating promising applications as oxygen barrier packaging materials.
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The authors are grateful for the financial supports from Tianjin Natural Science Foundation (18JCYBJC90100).
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Xu, X., Li, J., Ma, L. et al. Preparation and properties of biocomposite from poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) reinforced with regenerated cellulose. Cellulose 26, 5427–5436 (2019). https://doi.org/10.1007/s10570-019-02460-7
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DOI: https://doi.org/10.1007/s10570-019-02460-7