Research Article

Study of Swelling Properties and Thermal Behavior of Poly(N,N-Dimethylacrylamide-co-Maleic Acid) Based Hydrogels

Figure 5

(a) Scale-expanded infrared spectra of P(DMA-MAx) hydrogels in the carbonyl region. (b) Scale-expanded infrared spectra of P(DMA-MA8) hydrogels with different compositions of NMBA in the carbonyl region.
147398.fig.005a
(a)
147398.fig.005b
(b)