The technique is simple quick and does not require a complicated sample preparation procedure.
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.
Compound ethylene vinyl acetate copolymer with free spectra.
The a 3460 a 3610 ratio was used for the quantitative analysis.
Attenuated total reflectance infrared atr ir spectrum of ethylene vinyl acetate copolymer with properties.
Polymer testing 1999 18 7 551 557.
Raman spectra of ethylene vinyl acetate copolymers.
Acetic acid vinyl ester.
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.
Ethylene vinyl acetate eva also known as poly ethylene vinyl acetate peva is the copolymer of ethylene and vinyl acetate the weight percent of vinyl acetate usually varies from 10 to 40 with the remainder being ethylene.
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.
Vibrational spectroscopy was found to be a suitable method for the determination of the degree of cross linking of ethylene vinyl acetate eva polymers.
Direct determination of vinyl acetate content of ethylene vinyl acetate copolymers in thick films by infrared spectroscopy.
5 nmr 6 ftir and 2 raman.
There are three different types of eva copolymer which differ in the vinyl acetate va content and the way the materials are used.
An infrared spectroscopic method was developed for the determination of vinyl acetate content in thick films of ethylene vinyl acetate copolymers.