DETERMINATION OF THE VINYL MERCAPTOACETATE CONTENT IN POLY(ETHYLENE CO VINYL-ACETATE CO VINYL MERCAPTOACETATE) (EVASH) BY TGA ANALYSIS AND FTIR SPECTROSCOPY
Rcl. Dutra et Bg. Soares, DETERMINATION OF THE VINYL MERCAPTOACETATE CONTENT IN POLY(ETHYLENE CO VINYL-ACETATE CO VINYL MERCAPTOACETATE) (EVASH) BY TGA ANALYSIS AND FTIR SPECTROSCOPY, Polymer bulletin, 41(1), 1998, pp. 61-67
A new method has been developed for determining the esterification deg
ree (ED) of EVASH copolymers by Fourier transform infrared spectroscop
y (FTIR) and thermogravimetric analysis (TGA). A plot of absorbance va
lues (A(1736) - A(720)) versus ED in EVASH samples determined by TGA a
nalysis revealed a good linear relationship.