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Preparation and Characterization of Biodegradable Blend Membranes of PBS/CA

机译：PBS / CA可生物降解共混膜的制备与表征

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摘要

Asymmetric membranes of cellulose acetate/ poly (butylene succinate) were prepared using immersion precipitation technique. The blended membranes were characterized by contact angle, scanning electron microscopy, thermogravimetric analysis, degradation test in compost and dynamic test of raisin wastewater treatment. Results demonstrated that hydrophilicity of cellulose acetate was enhanced by addition of poly (butylene succinate) up to 50 %. Furthermore, polymeric composition affects cross sectional structure of the membranes by controlling formation of macrovoids. Addition of poly (butylene succinate) improved the membranes thermal stability and obviously their degradation in compost. The prepared membranes were able to reject the wastewater pollutants properly.
机译：使用浸没沉淀技术制备乙酸纤维素/聚丁二酸丁二醇酯的不对称膜。通过接触角，扫描电镜，热重分析，堆肥降解试验和葡萄干废水处理的动态试验对共混膜进行了表征。结果表明，通过添加高达50％的聚丁二酸丁二醇酯，可以增强醋酸纤维素的亲水性。此外，聚合物成分通过控制大孔的形成而影响膜的横截面结构。聚丁二酸丁二醇酯的加入改善了膜的热稳定性，并明显改善了其在堆肥中的降解。制备的膜能够适当地排除废水中的污染物。

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  • 来源
    《Journal of Polymers and the Environment》 |2013年第4期|1150-1157|共8页
  • 作者

    Vahideh Ghaffarian; Seyed Mahmoud Mousavi; Masoumeh Bahreini; Mahnaz Afifi;

  • 作者单位

    Department of Chemical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, PO Box 91775-1111, Mashhad, Iran,Membrane Processes and Membrane Research Center, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran;

    Department of Chemical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, PO Box 91775-1111, Mashhad, Iran;

    Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran;

    Membrane Processes and Membrane Research Center, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Biodegradable polymer; Poly (butylene succinate); Cellulose acetate; Wastewater treatment;

    机译：可生物降解的聚合物;聚丁二酸丁二酯;醋酸纤维素;废水处理;

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