Fourier Transform Infrared Spectral Analysis of Polyisoprene of a Different Microstructure

Table 1

Microstructure contents of polyisoprene by ¹H NMR.

Sample	1,4-mol%	3,4-mol%	1,2-mol%
A	100 (cis-1,4)	0	0
B	99.6 (trans-1,4)	0.2	0.2
C	90	5	5
D	53	24	23
E	30	59	11
F	24	63	13
G	18	67	15