Ethylene Vinyl Acetate Infrared Spectrum
Vibrational spectroscopy was found to be a suitable method for the determination of the degree of cross linking of ethylene vinyl acetate eva polymers.
Ethylene vinyl acetate infrared spectrum. Conclusion from the aforementioned examples it is evident that raman spectroscopy is a powerful technique for polymer analysis both in laboratory settings and on the process line. Acetic acid vinyl ester. Xtxrwkrvritetp uhfffaoysa n cas registry number. This structure is also available as a 2d mol file or as a computed 3d sd file the 3d structure may be viewed using java or javascript.
Attenuated total reflectance infrared atr ir spectrum of ethylene vinyl acetate copolymer with properties. Raman spectra of ethylene vinyl acetate copolymers. 5 nmr 6 ftir and 2 raman. Among the several different absorption ratios proposed in literature the intensities ratio i 610 i 2680 c o ch 2 was chosen to evaluate the amount of.
There are three different types of eva copolymer which differ in the vinyl acetate va content and the way the materials are used. Polymer testing 1999 18 7 551 557. The a 3460 a 3610 ratio was used for the quantitative analysis. Direct determination of vinyl acetate content of ethylene vinyl acetate copolymers in thick films by infrared spectroscopy.
Compound ethylene vinyl acetate copolymer with free spectra. Infrared spectroscopy is used to determine the vinyl acetate incorporation into eva copolymers using the ratio between the characteristic band of acetoxy group and ethylene sequences. An infrared spectroscopic method was developed for the determination of vinyl acetate content in thick films of ethylene vinyl acetate copolymers.