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Thermal and photochemical stability of poly(vinyl alcohol)/modified lignin blends
(Polymer Degradation and Stability, 2006-05-01) [Artigo]
A kraft lignin derivative (KLD) obtained by reaction with p-aminobenzoic acid/phthalic anhydride was blended with poly(vinyl alcohol) (PVA) by solution casting from DMSO. PVA and PVA/KLD films were exposed to ultraviolet ...