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首页> 外文期刊>Journal of Applied Polymer Science >Orange Peel-Derived Pectin Jelly and Corn Starch-Based Biocomposite Film with Layered Silicates
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Orange Peel-Derived Pectin Jelly and Corn Starch-Based Biocomposite Film with Layered Silicates

机译：橙皮衍生的果胶和玉米淀粉基生物复合薄膜与层状硅酸盐

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摘要

Orange peel-derived pectin jelly/corn starch-based biocomposite films with and without layered silicates (LSs) were prepared using melt extrusion followed by film die casting. To enhance interfacial compatibility, corn starch and LSs were chemically modified. Regardless of chemical modification or LS weight content, different pectin jelly-to-starch weight ratios (63/37, 60/40, 57/43, and 54/46) were considered to formulate the ingredients of biocomposite films in light of Taguchi-based predictions. X-ray diffraction (XRD), fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA), scanned electron microscopy (SEM) and transmission electron microscopy (TEM) were systematically used to characterize corn starch, LSs, and biocomposite films. Among all the films considered, pectin jelly/modified (15%) starch-based biocomposite film (54/46 w/w) containing 0.25 wt % of pristine LSs was found to be the most promising in terms of texture structure and mechanical integrity. Furthermore, creep recovery, hydrophobicity, and water vapor and oxygen gas transmission rates of the most promising biocomposite film were experimentally determined. Based on the findings obtained, the overall performance of the biocomposite film was evaluated and weighed against the overall performance of a low-density polyethylene film.
机译：使用熔融挤出，然后进行薄膜压铸，制备具有和不具有层状硅酸盐（LSs）的橙皮派生的果胶/玉米淀粉基生物复合膜。为了增强界面相容性，对玉米淀粉和LSs进行了化学修饰。无论采用何种化学修饰方法或LS重量含量，均应根据Taguchi-Taguchi的不同，将不同的果胶与淀粉的果胶与淀粉的重量比（63 / 37、60 / 40、57 / 43和54/46）视为生物复合膜的成分。基于的预测。系统地使用X射线衍射（XRD），傅立叶变换红外光谱（FTIR），差示扫描量热法（DSC），热重分析（TGA），扫描电子显微镜（SEM）和透射电子显微镜（TEM）表征玉米淀粉，LS和生物复合膜。在所有考虑的薄膜中，就质地结构和机械完整性而言，发现含有0.25 wt％原始LSs的果胶/改性（15％）淀粉基生物复合薄膜（54/46 w / w）是最有前途的。此外，实验确定了最有前途的生物复合膜的蠕变回复率，疏水性以及水蒸气和氧气的透过率。基于获得的发现，评估生物复合膜的整体性能并权衡低密度聚乙烯膜的整体性能。

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