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首页> 外文期刊>Journal of Applied Polymer Science >Influence of particle size and glassy carbon content on the thermal, mechanical, and electrical properties ofPHBV/glassy carbon composites
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Influence of particle size and glassy carbon content on the thermal, mechanical, and electrical properties ofPHBV/glassy carbon composites

机译：粒度和玻碳含量对PHBV /玻璃碳复合材料的热，机械和电性能的影响

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摘要

Glassy carbon (GC) constitutes a promising carbonaceous material that can be employed as an antistatic agent in the development of antistatic packaging used in the electronics industry. Thus, the present work aims at developing biodegradable and antistatic packaging from poly(hydroxybutyrate-co-hydroxyvalerate) (PHBV) reinforced with different GC contents (0, 0.5, 1.0, 2.5, and 5.0 wt%) and different GC particle size ( 75 mu m) using extrusion processing. differential scanning calorimetry analysis shows that the addition of GC decreases the degree of crystallinity (X-c) of PHBV, which can explain the reduction of its stiffness. Impedance spectroscopy results reveal that the use of GC contents greater than 2.5 wt% (GC > 75 mu m) makes possible the obtainment of a material with an electrical resistivity small enough to be used in antistatic packaging. It can be concluded that GC is an interesting alternative of antistatic agent for electrically dissipative packaging.
机译：玻璃碳（GC）是一种很有前途的碳质材料，可作为抗静电剂用于电子行业抗静电包装的开发。因此，本研究旨在通过挤出加工，以不同GC含量（0、0.5、1.0、2.5和5.0 wt%）和不同GC粒径（75μm）的聚羟基丁酸酯-羟基戊酸酯（PHBV）为增强材料，开发可生物降解和抗静电包装。差示扫描量热分析表明，GC的加入降低了PHBV的结晶度（X-c），这可以解释PHBV硬度降低的原因。阻抗谱结果表明，使用大于2.5 wt%（GC>75μm）的GC含量，可以获得电阻率小到足以用于抗静电包装的材料。可以得出结论，GC是一种有趣的替代抗静电剂的电耗散包装。

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