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首页> 外文期刊>Journal of Applied Polymer Science >Pyrolyzed chicken feather fibers for biobased composite reinforcement
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Pyrolyzed chicken feather fibers for biobased composite reinforcement

机译：用于生物基复合材料增强的热解鸡羽毛纤维

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摘要

An environment friendly, green composite design was demonstrated by producing an almost completely biorenewable and affordable material. Mildly pyrolyzed chicken feather fibers (PCFF) were incorporated in acrylated epoxidized soybean oil (AESO) and methacrylated lauric acid (MLAU)-based thermosetting resin to provide reinforcement in low density and rubbery polymer applications. The mechanical properties of the polymer composite, such as storage modulus, tensile modulus, tensile strength, and fracture energy were directly proportional to the fiber content. Varying the fiber content up to 32 wt % allowed for a wide tuning of mechanical properties (i.e., 20-300 MPa storage modulus and 10-150 MPa range at room temperature). Upon subjecting the CFFs to a strategic pyrolysis thermal history, the formation of isopeptide and ester bonds with limited protein backbone scission resulted in mechanical fiber integrity. Thermally stabilized PCFF have the potential for utilization in composite manufacturing, where typical manufacturing temperatures, especially in thermoplastic extrusion, exceed the untreated biobased fiber degradation temperature (215°C).
机译：通过生产几乎完全可生物再生和负担得起的材料，证明了一种环保的绿色复合材料设计。将轻度热解的鸡羽毛纤维（PCFF）掺入丙烯酸酯化的环氧大豆油（AESO）和甲基丙烯酸酯化的月桂酸（MLAU）基热固性树脂中，以增强低密度和橡胶状聚合物的应用。聚合物复合材料的机械性能，例如储能模量，拉伸模量，拉伸强度和断裂能与纤维含量成正比。改变纤维含量至多32wt％允许广泛调节机械性能（即在室温下20-300MPa的储能模量和10-150MPa的范围）。在使CFF经历战略性热解热历史后，具有有限蛋白主链断裂的异肽和酯键的形成导致了机械纤维的完整性。热稳定的PCFF具有在复合材料制造中使用的潜力，在复合材料制造中，典型的制造温度（尤其是在热塑性挤出中）超过未处理的生物基纤维降解温度（215°C）。

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