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首页> 外文期刊>Journal of Applied Polymer Science >Combining polyhydroxyalkanoates with nanokeratin to develop novel biopackaging structures
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Combining polyhydroxyalkanoates with nanokeratin to develop novel biopackaging structures

机译：结合多羟基链烷酸酯和纳米角蛋白开发新型生物包装结构

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摘要

This work reports on the combination of polyhydroxyalkanoate (PHA)-based materials and nanokeratin extracted from poultry feathers (a food by-product) using different approaches. In the first approach, high-barrier nanobiocomposites based on the combination of PHAs with a nanokeratin additive were successfully developed via both (i) direct melt compounding and (ii) prein-corporated into an electrospun masterbatch of PHA which was subsequently melt compounded with PHA pellets. Enhanced barrier properties for the nanobiocomposites were obtained which were seen to depend on the PHA grade used. In the second approach, nanokeratin films were obtained via solution casting which were successfully hydrophobized by coating them with electrospun PHA fibers. The multilayered approach showed good adhesion and also lead to enhanced barrier performance. (C) 2015 Wiley Periodicals, Inc.
机译：这项工作报告了基于聚羟基链烷酸酯（PHA）的材料和使用不同方法从家禽羽毛（一种食品副产品）中提取的纳米角蛋白的组合。在第一种方法中，通过（i）直接熔融混配和（ii）预掺入PHA的静电纺丝母料中，成功开发了基于PHA和纳米角蛋白添加剂的高阻隔纳米生物复合材料，随后将其与PHA熔融复合颗粒。获得了纳米生物复合材料增强的阻隔性能，这取决于所用的PHA等级。在第二种方法中，通过溶液流延获得纳米角蛋白薄膜，通过用电纺PHA纤维涂覆纳米角蛋白薄膜成功将其疏水化。多层方法显示出良好的附着力，并还提高了阻隔性能。 （C）2015威利期刊公司

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