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The modi cation of local polymeric conformation of poly(acrylic) acid (PAA), induced by hydration and neutralization with triethanol amine (TEA), was investigated by IR and Raman spectroscopy. The e ect of water is the perturbation of hydrogen bonds established between di erent polymeric chains and the modi cation of the local conformation of the polymer. The neutralization with TEA a ects the carboxylic groups and modi es the local conformation of the polymer. These modi cations are correlated with the shift and the modi cation of the characteristics of IR and Raman spectra.

IR and Raman Investigation of Some Poly(acrylic) Acid Gels in Aqueous and Neutralized State