文献类型：期刊文献

英文题名：Identification of two polyamides (PA11 and PA1012) using pyrolysis-GC/MS and MALDI-TOF MS

作者：Wu, Ting[1,2];Hu, Huilian[1,2];Jiang, Dong[1,2];Du, Yiping[1,2];Jiang, Wei[3];Wang, Haiting[3]

机构：[1]E China Univ Sci & Technol, Shanghai Key Lab Funct Mat Chem, Shanghai 200237, Peoples R China;[2]E China Univ Sci & Technol, Res Ctr Anal & Test, Shanghai 200237, Peoples R China;[3]Shanghai Entry Exit Inspect & Inspect & Quarantin, Tech Ctr Ind Prod & Raw Mat Inspect & Testing, Shanghai 200135, Peoples R China

年份：2013

卷号：32

期号：2

起止页码：426

外文期刊名：POLYMER TESTING

收录：;EI(收录号：20130515972261);WOS:【SCI-EXPANDED(收录号:WOS:000316513300033)】；

基金：This work was supported by National Science Foundation of China (grant No: 21205041) and a grant from Research Center of Analysis and Test of East China University of Science and Technology, China.

语种：英文

外文关键词：PA11; PA1012; Pyrolysis-GC/MS; MALDI-TOF MS

摘要：The main goal of this work is to identify two polyamides (PA11 and PA1012) by mass spectrometry including pyrolysis-GC/MS and MALDI-TOF MS. PA11 and PA1012 have similar properties and cannot be distinguished by many other methods. Using pyrolysis-GC/MS, the pyrograms of PA11 and PA1012 at 600 degrees C were compared. Specific pyrolyzates for PA11. and PA1012 were obtained, 2-azacyclotridecanone for PA11 and 1,10-diaminodecane, 1,10-dicyanodecane for PA1012, respectively, which was the basis to distinguish them. Meanwhile, MALDI-TOF MS can give specific repeat unit for these two polyamides, dehydrated 11-aminoundecanoic acid (M = 183) for PA11 acetylate of dodecanedioic acid and diaminodecane (M = 366) for PA1012, which can be another means of identifying them. (C) 2012 Elsevier Ltd. All rights reserved.