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首页> 外文期刊>Journal of Macromolecular Science. Pure and Applied Chemistry >Preparation and characterization of modified cellulose fiber-reinforced polyvinyl alcohol/polypyrrolidone hybrid film composites
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Preparation and characterization of modified cellulose fiber-reinforced polyvinyl alcohol/polypyrrolidone hybrid film composites

机译：改性纤维素纤维增强聚乙烯醇/聚吡咯烷酮杂化膜复合材料的制备与表征

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摘要

In this work, cellulose was modified by using 2-(trifluromethyl) benzoylchloride by base catalyzed reaction. Modification of cellulose was confirmed by IR studies. The biodegradable composite films were developed by a film casting method using modified cellulose with poly(vinyl alcohol) and polypyrrolidone in different compositions. Film composites showed good biodegradability. Better barrier and mechanical properties showed by film composites as the percentage of modified cellulose increased. This indicates the importance of modified cellulose as a reinforcing agent. After analyzing these properties of film composites we came to the conclusion that, these biocomposites can be used for membrane and packaging applications.
机译：在这项工作中，使用2-（三氟甲基）苯甲酰氯通过碱催化反应对纤维素进行了改性。通过IR研究证实了纤维素的改性。可生物降解的复合膜是通过膜流延法制备的，该膜流延法使用具有不同组成的改性纤维素与聚乙烯醇和聚吡咯烷酮。薄膜复合材料显示出良好的生物降解性。随着改性纤维素百分比的增加，薄膜复合材料表现出更好的阻隔性和机械性能。这表明改性纤维素作为增强剂的重要性。在分析了薄膜复合材料的这些特性之后，我们得出的结论是，这些生物复合材料可用于膜和包装应用。

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