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首页> 外文期刊>Journal of Applied Polymer Science >Determining Fiber Fineness in Flax Using Derivative Thermogravimetric Analysis, Scanning Electron Microscopy, and Airflow Methods
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Determining Fiber Fineness in Flax Using Derivative Thermogravimetric Analysis, Scanning Electron Microscopy, and Airflow Methods

机译：使用导数热重分析，扫描电子显微镜和气流法测定亚麻中的纤维细度

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摘要

This study investigates the assessment of fiber fineness by a range of techniques. Conventional airflow and gravimetric methods were compared with derivative thermogravimetric analysis (DTG). The novel use of scanning electron microscopy (SEM) fox examining fiber cross-sections has also been deployed. DTG analysis when compared with airflow measurements has shown that differences in fiber fineness can be modeled from the pyrolysis data. The relationship between the two methods was hgihly significant. The diameter of the fiber cross-sections, measured from SEM micro-graphs, revealed a significant relationship with both DTG and airflow measurements. Gravimeteric determinations exhibited a poor correlation with the other methods and have shown an inability to distinguish between fibers of similar grades. The use of DTG for predicting fiber fineness was validated using partial least squares regression on a test set of samples.
机译：这项研究调查了通过一系列技术对纤维细度的评估。将传统的气流和重量分析方法与微分热重分析（DTG）进行了比较。扫描电子显微镜（SEM）狐狸检查纤维横截面的新用途也已部署。与气流测量结果相比，DTG分析表明，可以根据热解数据对纤维细度的差异进行建模。两种方法之间的关系非常重要。从SEM显微照片测得的纤维横截面直径显示出与DTG和气流测量值显着相关。重力测定法与其他方法的相关性较差，并且无法区分相似等级的纤维。使用DTG预测纤维细度已通过对样本测试集进行偏最小二乘回归验证。

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