Simultaneous GC Determination of Degradation Products (Methylacrylate and Methanol) of the Copolymer of Ethylene and Methylacrylate
摘 要
提出了气相色谱法测定乙烯-丙烯酸甲酯(EMA)共聚物降解产物丙烯酸甲酯和甲醇的含量.样品经水浸取,浸取液于气相色谱分析,用火焰离子化检测器测定,外标法定量.丙烯酸甲酯和甲醇的质量浓度分别在0.1~2.0和1.0~20.0 mg·L-1范围内与其峰面积呈线性关系,检出限(3S/N)分别为0.02,0.2 mg·L-1.丙烯酸甲酯和甲醇的回收率分别在96.2%~100.5%和94.6%~97.4%之间,测定结果的相对标准偏差(n=6)均小于6.5%.
Abstract
The degradation products,methyl acrylate and methanol,from the copolymer of ethylene-methyl acrylate were determined by GC with flame ionization detector (FID).The sample was leached with water and the solution obtained was used for GC analysis.External standard calibration was adopted in the determination.Linear relationship between values of peak area and mass concentration of methyl acrylate and methanol were obtained in the ranges of 0.1-2.0 and 1.0-20.0 mg·L-1,with their detection limits (3S/N) of 0.02 and 0.2 mg·L-1 respectively.Test for recovery was made by standard addition method,giving results in the range of 96.2%-100.5% (for methyl acrylate) and 94.6%-97.4% (for methanol).Values of RSD′s (n=6) found were less than 6.5%.
中图分类号 O657.7
所属栏目 工作简报
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收稿日期 2009/2/7
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备注梁炜(1973-),女,上海市人,工程师,研究方向为包装中材料的迁移.
引用该论文: LIANG Wei,JIANG Jun,SUN Kang,DOU Hong-jing. Simultaneous GC Determination of Degradation Products (Methylacrylate and Methanol) of the Copolymer of Ethylene and Methylacrylate[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2010, 46(1): 46~47
梁炜,姜骏,孙康,窦红静. 气相色谱法同时测定乙烯-丙烯酸甲酯共聚物的降解产物丙烯酸甲酯及甲醇[J]. 理化检验-化学分册, 2010, 46(1): 46~47
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参考文献
【1】王庭尉,陈逸范.聚甲基丙烯酸甲酯热稳定性研究[J].塑料,1994,23(5):21-27.
【2】曾文茹,李疏芬,周允基.聚甲基丙烯酸甲酯的热降解研究进展[J].高分子材料科学与工程,2003,19(3):12-16.
【3】KASHIWAGI T.Thermal and oxidative degradation of poly(methyl methacrylate) molecular weight[J].Macromolecules,1985,18(2):131-138.
【4】SONG J,FISCHER C H,SCHNABEL W,et al.Thermal oxidative degradation of poly(methyl methacrylate)[J].Polym Degrad Stab,1992,36(3):261-266.
【5】黄年华,张强.乙烯-丙烯酸丁酯共聚物热降解行为的TGA-FTIR研究[J].应用化学,2007,24(1):95-99.
【6】中国预防医学科学院劳动卫生与职业病研究所.车间空气监测检验方法[M].3版.北京:人民卫生出版社,1990:302-305.
【7】张晓辉.直接进样气相色谱法同时测定丙烯酸甲酯、丙烯酸丁酯、甲基丙烯酸甲酯[J].浙江预防医学,2004,16(8):78-79.
【8】于文涛,,施海峰,黄和,等.乳酸甲酯脱水体系中丙烯酸甲酯的气相色谱分析[J].理化检验-化学分册,2006,42(12):1029-1031.
【2】曾文茹,李疏芬,周允基.聚甲基丙烯酸甲酯的热降解研究进展[J].高分子材料科学与工程,2003,19(3):12-16.
【3】KASHIWAGI T.Thermal and oxidative degradation of poly(methyl methacrylate) molecular weight[J].Macromolecules,1985,18(2):131-138.
【4】SONG J,FISCHER C H,SCHNABEL W,et al.Thermal oxidative degradation of poly(methyl methacrylate)[J].Polym Degrad Stab,1992,36(3):261-266.
【5】黄年华,张强.乙烯-丙烯酸丁酯共聚物热降解行为的TGA-FTIR研究[J].应用化学,2007,24(1):95-99.
【6】中国预防医学科学院劳动卫生与职业病研究所.车间空气监测检验方法[M].3版.北京:人民卫生出版社,1990:302-305.
【7】张晓辉.直接进样气相色谱法同时测定丙烯酸甲酯、丙烯酸丁酯、甲基丙烯酸甲酯[J].浙江预防医学,2004,16(8):78-79.
【8】于文涛,,施海峰,黄和,等.乳酸甲酯脱水体系中丙烯酸甲酯的气相色谱分析[J].理化检验-化学分册,2006,42(12):1029-1031.
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