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首页> 外文期刊>Journal of Applied Polymer Science >INFLUENCE OF BORON TREATMENT ON OXIDATION OF CARBON FIBER IN AIR
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INFLUENCE OF BORON TREATMENT ON OXIDATION OF CARBON FIBER IN AIR

机译：硼处理对空气中碳纤维氧化的影响

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An investigation is performed to study the influence of boron treatment on carbon fiber: its oxidation behaviors, kinetics, and structure and properties at a high-temperature atmosphere in air. PAN-based carbon fiber is treated with either liquid organoborate or inorganic berate, which elevates the decomposing point above 260 degrees C and doubles the average oxidation activation energy from about 100 kJ/mol of the untreated fiber to above 200 kJ/mol of the treated fiber, with the first order of the fiber oxidation reaction under nonisothermal conditions. The boron coating formed on the fiber surface after the treatment may cap off the specific surface active sites to function as a diffusion barrier that inhibits the oxidation, and its main structure is identified as boron oxide by means of X-ray diffraction and XPS analyses. During the process, the mechanical properties develop slightly; however, the morphology structure observed by SEM changes greatly. (C) 1996 John Wiley & Sons, Inc. [References: 20]
机译：进行了一项研究，以研究硼处理对碳纤维的影响：其在空气中高温气氛下的氧化行为，动力学以及结构和性能。 PAN基碳纤维用液态有机硼酸盐或无机硼酸盐处理，可将分解点提高到260摄氏度以上，并将平均氧化活化能从未处理纤维的约100 kJ / mol增加到处理过的纤维的200 kJ / mol两倍。纤维，在非等温条件下具有一阶纤维氧化反应。处理后在纤维表面上形成的硼涂层可能会遮盖特定的表面活性部位，以充当抑制氧化的扩散屏障，并且其主要结构通过X射线衍射和XPS分析被鉴定为氧化硼。在此过程中，机械性能略有提高。但是，通过SEM观察到的形态结构发生了很大变化。 （C）1996 John Wiley＆Sons，Inc. [参考：20]

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