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1.北京林业大学生物科学与技术学院 北京 100083
2.中国石油天然气股份有限公司兰州石化分公司 兰州 730060
3.中国石油天然气股份有限公司广西石化分公司 钦州 535000
Zhao-lin Lv, E-mail: zhaolinlv@bjfu.edu.cn
Received:18 October 2025,
Accepted:01 December 2025,
Published Online:20 January 2026,
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翁文谨, 胡鑫涛, 胡玮, 高艳, 吕兆林. 多种色谱质谱技术联合解析丁腈橡胶挥发性化合物. 高分子学报, doi: 10.11777/j.issn1000-3304.2025.25271.
Weng W. J.; Hu, X. T.; Hu, W.; Gao, Y.; Lv, Z. L. Joint analysis of volatile compounds in nitrile rubber by multiple chromatographic-mass spectrometry techniques. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2025.25271.
翁文谨, 胡鑫涛, 胡玮, 高艳, 吕兆林. 多种色谱质谱技术联合解析丁腈橡胶挥发性化合物. 高分子学报, doi: 10.11777/j.issn1000-3304.2025.25271. DOI: CSTR: 32057.14.GFZXB.2025.7525.
Weng W. J.; Hu, X. T.; Hu, W.; Gao, Y.; Lv, Z. L. Joint analysis of volatile compounds in nitrile rubber by multiple chromatographic-mass spectrometry techniques. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2025.25271. DOI: CSTR: 32057.14.GFZXB.2025.7525.
丁腈橡胶在汽车、航空、医疗、食品等领域应用广泛,因气味引发的问题也愈发受到关注. 本研究将固相微萃取-气相色谱-质谱联用技术(SPME-GC/MS)与全二维色谱-飞行时间质谱联用技术(SPME-GC×GC-TOF/MS)相结合,对不同丙烯腈含量的进口丁腈橡胶挥发性化合物进行表征,明确了主要气味贡献物质. 研究结果显示,中低腈橡胶中检测出232种挥发性化合物,中高腈橡胶中检测出149种挥发性化合物,共274种(2种样品中的挥发性化合物有重叠). 这些挥发性化合物主要包括以苯系物、烷烃类、烯烃类、含氮化合物、醇类和含硫化合物. 同时,还探究了以含硫化合物和芳香烃化合物为主的气味贡献物质的来源. 2种检测技术相结合,结果相互补充,能够更全面地获取丁腈橡胶挥发性化合物及气味贡献化合物信息,可为消减丁腈橡胶气味、改良生产工艺提供数据支持.
Nitrile rubber is widely used in the fields of automobiles
aviation
medical treatment
food and so on. And the problems caused by its odor have drawn more and more attention. In this study
the solid-phase microextraction gas chromatography-mass spectrometry (SPME-GC/MS) technology was combined with the comprehensive two-dimensional gas chromatography-mass spectrometry (SPME-GC×GC-TOF/MS) technology to characterize the volatile compounds in imported nitrile rubbers with different acrylonitrile contents and identify the main substances contributing to the odor. The research results showed that 18 volatile compounds were detected in medium-low acrylonitrile rubber and 14 volatile compounds were detected in medium-high acrylonitrile rubber by one-dimensional chromatography. There were 22 volatile compounds in total for both of them
among which 11 odor-contributing compounds were screened out. Moreover
the main substances with characteristic odors (sulfur-containing compounds and aromatic hydrocarbons) and their sources were analyzed. Two-dimensional chromatography detected 227 kinds of volatile compounds in medium-low acrylonitrile rubber and 140 kinds in medium-high acrylonitrile rubber respectively
with a total of 263 kinds of volatile compounds. In total
234 kinds of volatile compounds were detected in medium-low acrylonitrile rubber and 145 kinds in medium-high acrylonitrile rubber by the two methods combined
with a grand total of 271 kinds of volatile compounds. These compounds were mainly composed of benzene series compounds
alkanes
nitrogen-containing compounds and alcohols. The combination of the two technologies in this study can complement each other's results
enabling a more comprehensive acquisition of information on the volatile compounds in nitrile rubber and the compounds contributing to the odor. It can provide data support for reducing the odor of nitrile rubber and improving the production process.
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