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| 核磁共振法测定乙烯-乙酸乙烯酯中乙酸乙烯酯含量 |
| Determination of Vinyl Acetate Content in Ethylene-Vinyl Acetate by Nuclear Magnetic Resonance |
| Received:November 29, 2023 Revised:November 29, 2023 |
| DOI：10.12137/j.issn.2095-5448.2025.02.0106 |
| 中文关键词: 乙烯-乙酸乙烯酯；乙烯；乙酸乙烯酯；1H-NMR谱；13C-NMR谱；二维核磁共振谱 |
| 英文关键词: EVA；ethylene；vinyl acetate；1H-NMR spectrum；13C-NMR spectrum；two-dimensional NMR spectrum |
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| Author Name | Affiliation | E-mail | | lIU Xiaoyuan* | Stone Technology Co.，Ltd | liuxy@stonelab.com.cn | | SHI Yiyi | Qingdao University of Science and Technology | | | HUANG Zheng | Stone Technology Co.，Ltd | | | WANG Chao | Stone Technology Co.，Ltd | | | LIU Aiqin | Stone Technology Co.，Ltd | |
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| 中文摘要: |
| 采用核磁共振法测定乙烯-乙酸乙烯酯（EVA）中的乙烯和乙酸乙烯酯的相对含量。通过1H-NMR谱、13C-NMR谱和二维核磁共振谱对EVA的谱峰进行归属，选取特征峰的峰面积进行计算，分别建立1H-NMR和13C-NMR的定量方法，该方法相对于传统方法更加快速、简单。 |
| 英文摘要: |
| The relative content of ethylene and vinyl acetate in ethylene-vinyl acetate（EVA） was determined using nuclear magnetic resonance（NMR） spectroscopy.The peaks in the EVA spectra were assigned using 1H-NMR，13C-NMR，and two-dimensional NMR spectra.Characteristic peak areas were selected for calculation and quantitative methods were established for both 1H-NMR and 13C-NMR spectra.This method was faster and simpler compared to traditional methods. |
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