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首页> 外文期刊>Journal of Applied Polymer Science >Biopolymer blended films of poly(butylene succinate)/cyclic olefin copolymer with enhanced mechanical strength for packaging applications
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Biopolymer blended films of poly(butylene succinate)/cyclic olefin copolymer with enhanced mechanical strength for packaging applications

机译：聚（丁烯琥珀酸酯）/环烯烃共聚物的生物聚合物混合薄膜，具有增强的包装应用机械强度

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摘要

The demand for biodegradable materials is on the rise because humanity is now more concerned about a sustainable lifestyle than ever before. In this regard, we present solution casting synthesized novel biopolymer blended films of poly(butylene succinate)/cyclic olefin copolymer (PBS/COC) for packaging applications. These films were characterized by X-ray diffraction (XRD), Fourier transform infrared microscopy (FTIR), scanning electron microscopy (SEM), universal tensile testing (ASTM D882 standard), and antibacterial Disc diffusion tests using gram-negativeEscherichia coli(E.coli) and gram-positiveStaphylococcus aureus(S.aureus) bacteria. The XRD and FTIR revealed the type of bonding to be physical in-between the constituent polymers; ensuring the biodegradable nature of their blends, while the thickness of films was found to be <100 mu m. The SEM, tensile, and antibacterial testing concluded that 30%PBS with 70%COC by weight blending is the best composition; showing a compact/pin-holes free morphology, the highest strength of 91 MPa, and contact inhibition withE.coliandS.aureusbacteria.
机译：对生物可降解材料的需求正在上升，因为人类现在比以往任何时候都更加关注可持续的生活方式。在这方面，我们提出了用于包装应用的溶液浇铸合成的新型聚（丁二酸丁二醇酯）/环烯烃共聚物（PBS/COC）生物聚合物共混膜。这些薄膜通过X射线衍射（XRD）、傅里叶变换红外显微镜（FTIR）、扫描电子显微镜（SEM）、通用拉伸试验（ASTM D882标准）和使用革兰氏阴性大肠杆菌（E.coli）和革兰氏阳性金黄色葡萄球菌（S.aureus）细菌的抗菌圆盘扩散试验进行了表征。XRD和FTIR揭示了组成聚合物之间的物理键合类型；确保其共混物的可生物降解性质，同时发现膜的厚度小于100μm。SEM、拉伸和抗菌测试得出结论，30%PBS和70%COC（按重量计）共混物是最佳组成；显示出紧凑/无针孔的形态，最高强度为91 MPa，与E的接触抑制。科林斯。金色细菌。

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