Fourier Transform Infrared Spectral Analysis of Polyisoprene of a Different Microstructure

Figure 3

FTIR spectra of polyisoprenes of variable microstructure content. (A) cis-1,4- = 100% 3,4- = 0% 1,2- = 0%; (B) trans-1,4- = 99.6% 3,4- = 0.2% 1,2- = 0.2%; (C) 1,4- = 90% 3,4- = 5% 1,2- = 5%; (D) 1,4- = 53% 3,4- = 24% 1,2- = 23%; (E) 1,4- = 30% 3,4- = 59% 1,2- = 11%; (F) 1,4- = 24% 3,4- = 63% 1,2- = 13%; (G) 1,4- =18% 3,4- = 67% 1,2- = 15%.