Spectroscopy and Spectral Analysis, Volume. 42, Issue 11, 3380(2022)
Research on Qualitative and Quantitative Analysis of PE and EVA in Biodegradable Materials by FTIR
Figures & Tables(14)
Fig. 2. ATR-FTIR spectra of PE-PBAT system
(a): FTIR spectra; (b): Second-order derivative processing diagram of low content components
Fig. 3. ATR-FTIR spectra of EVA-PBAT system
(a): FTIR spectra; (b): Second-order derivative processing diagram of low content components
Fig. 4. ATR-FTIR spectra of PE-PLA system
(a): FTIR spectra; (b): Second-order derivative processing diagram of low content components
Fig. 5. ATR-FTIR spectra of EVA- PLA system
(a): FTIR spectra; (b): Second-order derivative processing diagram of low content components
Fig. 10. The classification results of four systems
[1]: EVA-PBAT; [2]: PE-PBAT; [3]: EVA-PLA; [4]: PE-PLA
Table 1. Sample machining process parameters
View tableView in ArticleTable 1. Sample machining process parameters
组分 加工温度
T/℃转速n
/min-1扭力M
/(N·cm)PE-PBAT, EVA-PBAT 145±5 50 22±5 PE-PLA, EVA-PLA 183±5 50 30±5
Table 2. Qualitative characteristic peaksand group's vibrationof pure materials
View tableView in ArticleTable 2. Qualitative characteristic peaksand group's vibrationof pure materials
样品名称 定性特征峰/cm-1 基团振动 PE 2 915±5, 2 848±5, 1 468±5, 718±5 长链烷烃中—CH2—的不对称和对称伸缩振动、 弯曲振动、 面内摇摆振动 EVA 2 916±5, 28 49±5, 718±5, 1 738±5, 1 237±5 长链烷烃中—CH2—的不对称和对称伸缩振动、 面内摇摆振动; C=O和C—O的伸缩振动 PBAT 1 709±5, 1 267±5, 1 252±5, 727±5 C=O和C—O的伸缩振动; 对位双取代苯环上的CH面外弯曲振动 PLA 1 748±5, 1 181±5 C=O和C—O的伸缩振动
Table 3. Qualitative and quantitative characteristic peaks of blend material
View tableView in ArticleTable 3. Qualitative and quantitative characteristic peaks of blend material
样品名称 禁塑组分定性特征峰/cm-1 禁塑组分定量特征峰/cm-1 PE-PBAT, EVA-PBAT 2 918±5, 2 850±5 2 918±5, 2 850±5, 1 714±5, 727±5 PE-PLA 2 918±5, 2 850±5, 718±5 2 918±5, 2 850±5, 1 747±5, 1 460±5 EVA-PLA 2 918±5, 2 850±5, 718±5, 1 237±5 2 918±5, 2 850±5, 1 740±5
Table 4. Blind sample verification (
n =3)View tableView in ArticleTable 4. Blind sample verification (
n =3)共混体系 配制真实值 平均
预测值平均
残差值标准
偏差8% PE 7.85 0.15 0.005 7 15% PE 13.77 1.23 0.015 PE-PBAT 25% PE 23.00 2.00 0.021 35% PE 37.62 -2.62 0.026 45% PE 46.08 -1.08 0.026 8% EVA 7.73 0.27 0.03 15% EVA 13.07 1.93 0.03 EVA-PBAT 25% EVA 23.73 1.27 0.03 35% EVA 32.40 2.60 0.03 45% EVA 45.07 -0.07 0.03 8% PE 7.20 0.80 0.015 15% PE 14.80 0.20 0.021 PE-PLA 25% PE 24.40 0.60 0.006 35% PE 34.40 0.60 0.01 45% PE 44.60 0.40 0.098 5% EVA 4.94 0.06 0.006 10% EVA 9.06 0.94 0.02 EVA-PLA 20% EVA 20.24 -0.24 0.025 30% EVA 30.24 -0.24 0 40% EVA 39.06 0.94 0.078
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Chao-nan SHANG, Yan-li XIE, Xiao GAO, Xue-qing ZHOU, Zhen-dong ZHAO, Jia-xin MA, Peng CUI, Xiao-xiao WEI, Yu-hong FENG, Ming-nan ZHANG. Research on Qualitative and Quantitative Analysis of PE and EVA in Biodegradable Materials by FTIR[J]. Spectroscopy and Spectral Analysis, 2022, 42(11): 3380
Paper Information
Category: Research Articles
Received: Sep. 2, 2021
Accepted: --
Published Online: Nov. 23, 2022
The Author Email: SHANG Chao-nan (19085216210035@hainanu.edu.cn)
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