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首页> 外文期刊>Journal of Applied Polymer Science >Comparison in composite performance after thermooxidative aging of injection molded polyamide 6 with glass fiber, talc, and a sustainable biocarbon filler
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Comparison in composite performance after thermooxidative aging of injection molded polyamide 6 with glass fiber, talc, and a sustainable biocarbon filler

机译：用玻璃纤维，滑石和可持续的生物碳粉填料进行热氧化成型后热氧化老化后的复合性能的比较

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摘要

Degradation is an unavoidable part of a material's life making it important to both monitor and control the aging behavior of plastics. This study compares thermooxidative degraded composites of a novel bio-based and sustainable filler, Biocarbon (MBc), against that of traditional and commercially available fillers (glass fiber and talc) used in the automotive industry. The influence of thermooxidative degradation on the composites was studied under accelerated heat aging for 1000 h at 140 degrees C. The mechanical properties of the composites were evaluated using notched Izod impact as well as both tensile and flexural tests. Morphological structure of the composites was investigated using a scanning electron microscopy. Dynamic mechanical analysis and differential scanning calorimetry were used to evaluate the physical transitions both before and after aging. The glass-filled composites displayed the best performance; while, both the talc and biocarbon composites possessed similar strength and ductility performances. Advantageously, the biocarbon composites experienced an 11% reduction in density as compared to talc-filled composites with similar weight content. After aging, all composites exhibited reduced tensile and flexural strengths ranging from 5 to 67% partly due to chain scission. Whereas, the modulus of all composites increased with a range of 1-24% due to an annealing effect. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 137, 48618.
机译：降解是一种不可避免的部分材料的生命，使监测和控制塑料的老化行为是重要的。该研究比较了新型生物基和可持续填料，生物羰（MBC）的热氧化降解复合材料，其用于汽车行业中使用的传统和市售填料（玻璃纤维和滑石）。在10℃下加速热老化在加速热老化下研究了热氧化降解对复合材料的影响。使用缺口的Izod冲击以及拉伸和弯曲试验来评估复合材料的机械性能。使用扫描电子显微镜研究复合材料的形态学结构。动态机械分析和差示扫描量热法用于评估老化前后的物理过渡。玻璃填充的复合材料显示出最佳性能;虽然滑石和生物碳复合材料都具有相似的强度和延展性性能。有利地，与具有相似重量含量的滑石的复合材料相比，生物碳复合材料的密度降低11％。在老化后，所有复合材料都表现出降低的拉伸和弯曲强度，部分由于链易分泌部分地为5-67％。然而，由于退火效果，所有复合材料的模量增加了1-24％的范围。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,137,48618。

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