Zhen-hua AN, Dong-yan ZHAO, Yan YE, Rui YANG, Yu-bo WANG, Jin SHAO, Peng ZHANG, Yan-ning CHEN, Min ZHOU, Wen-he WANG, Zheng WANG, Hai-chao HUANG, Li-cheng WANG, Ming-chen ZHONG, Yan ZHEN, Yong WAN. A Novel Aging Evaluation Method of Nylon[J]. Spectroscopy and Spectral Analysis, 2022, 42(1): 43
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 1, 43 (2022)
![Structure schematic diagram of in-situ aging evaluation system[11]](/richHtml/gpxygpfx/2022/42/1/43/img_1.png)
Fig. 1. Structure schematic diagram of in-situ aging evaluation system[11]
Fig. 2. ATR-FTIR spectra of (a) PA6 and (b) PA66 after natural aging different periods of time
Fig. 3. Change against natural aging time in (a) N—H and (b)C=O relative absorbance of PA6 and PA66
Fig. 4. IR spectra of unaged PA6 during in-situ aging test
Fig. 5. CO2 emission over time of PA6 (a) and PA66 (b) with different natural aging time
Fig. 6. Change against natural aging time in CO2 emission of PA6 and PA66
Fig. 7. Change against temperature and humidity in CO2 emission of PA6 (a) and PA66 (b) during in-situ aging test
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