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International Journal of Polymer Science
Volume 2013 (2013), Article ID 937284, 5 pages
Research Article

Fourier Transform Infrared Spectral Analysis of Polyisoprene of a Different Microstructure

1High Performance Polymer Institute of Qingdao University of Science and Technology, Qingdao 266042, China
2Key Lab of Rubber and Plastic, Ministry of Education, Qingdao University of Science and Technology, Qingdao 266042, China

Received 4 April 2013; Accepted 22 May 2013

Academic Editor: Zhou Yang

Copyright © 2013 Dongmei Chen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Some polyisoprene samples of different microstructure contents were studied by Fourier transform infrared (FTIR) and 1H Nuclear magnetic resonance (1H NMR). On the basis of detailed analysis of FTIR spectra of polyisoprene, the shift of absorption peaks caused by microstructure content’s variation was discussed. The contents of the polyisoprene samples’ microstructure which was determined by the 1H NMR was used as the standard. Through the choice, calculation, and comparison with the corresponding absorption peaks of FTIR, a method based on the results of the analysis has been developed for the determination of the microstructure contents of polyisoprene by FTIR.