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Analysis of Polyvinyl Acetate Acrylate Copolymers by Low-Temperature Infrared Spectrophotometry

Volume 22, Number 4 (Aug. 1968) Page 345-346

Haken, J.K.; Werner, R.L.


Considerable difficulty is often experienced in the measurement of the small infrared absorption bands due to minor components in essentially noncrystalline materials because of the broadness of the bands and of overlap. While the physical properties of polyvinyl acetate are appreciably altered by copolymerisation with small amounts of acrylate, a reliable quantitative estimate of such comonomers is not easy in the presence of the strong bands of the polyvinyl acetate. With modern grating infrared spectrometers, it is the inherent width of the bands at room temperature which imposes the limitation.