Abstract
The composition of ABA block copolymers polystyrene-poly(γ-benzyl- l-glutamate) was determined by Fourier transform infrared spectroscopy. This could be achieved by establishing a calibration curve of the integrated intensity of the NH stretching band of α-helical poly(γ-benzyl- l-glutamate) between 3137 and 3550 cm −1 as a function of concentration. There is a fairly good agreement between the composition values obtained by FTIR and those obtained by elemental nitrogen analysis.
Published Version
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