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首页> 外文期刊>Journal of Biobased Materials and Bioenergy >Novel Silk Fibroin Fiber-Reinforced Poly(butylene succinate) Biocomposites: Electron Beam Treatment Effect of Silk on the Interfacial, Thermal, Mechanical and Impact Properties
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Novel Silk Fibroin Fiber-Reinforced Poly(butylene succinate) Biocomposites: Electron Beam Treatment Effect of Silk on the Interfacial, Thermal, Mechanical and Impact Properties

机译：新型丝素蛋白纤维增强聚丁二酸丁二醇酯生物复合材料：丝的电子束处理对界面，热，机械和冲击性能的影响

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摘要

Novel silk fibroin fiber-reinforced poly(butylene succinate) biocomposites were fabricated by using a compression molding technique. Prior to molding the biocomposites, chopped silk fibroin fibers were treated with electron beam varying the absorption dose at 0, 5, 10, 20, 30, 50, and 100 kGy. We extensively studied the effects of electron beam treatment on the interfacial, thermal, mechanical and impact properties of silk fibroin/PBS biocomposites in terms of interfacial shear strength, thermal expansion behavior, thermal stability, dynamic storage modulus, and flexural, tensile and impact properties. The electron beam treatment at an appropriate absorption dose changed the surface topography of the silk fibroin fibers, increased the interfacial strength between the silk fibroin fibers and the PBS matrix, decreased the thermal expansion, and increased the dynamic mechanical, flexural, tensile and impact properties, depending on the electron beam absorption dose. It seemed that the electron beam treatment of silk fibroin at 30 kGy was most preferable for enhancing the interfacial, thermal, mechanical, and impact properties of silk fibroin/PBS biocomposites. Their results were consistent with each other, exhibiting a similar dependency on the electron beam intensity.
机译：新型丝素蛋白纤维增强聚丁二酸丁二醇酯生物复合材料是通过使用压缩成型技术制造的。在模制生物复合材料之前，将短切的丝素蛋白纤维用电子束处理，使其吸收剂量分别为0、5、10、20、30、50和100 kGy。我们从界面剪切强度，热膨胀行为，热稳定性，动态储能模量以及弯曲，拉伸和冲击性能等方面广泛研究了电子束处理对丝素蛋白/ PBS生物复合材料的界面，热，机械和冲击性能的影响。 。适当吸收剂量的电子束处理改变了丝素蛋白纤维的表面形貌，增加了丝素蛋白纤维与PBS基体之间的界面强度，降低了热膨胀，并提高了动态力学，弯曲，拉伸和冲击性能，取决于电子束吸收剂量。似乎最优选在30 kGy的条件下对丝素蛋白进行电子束处理，以增强丝素蛋白/ PBS生物复合材料的界面，热，机械和冲击性能。他们的结果彼此一致，表现出对电子束强度的相似依赖性。

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