STRUCTURE AND OPTICAL INVESTIGATION OF THE EFFECT OF LASER RADIATION IN STABILIZED POLY (VINYL CHLORIDE)

Structure and optical property studies using IR & UV spectroscopy, refractive index measurement and X-ray diffraction were performed on poly (vinyl chloride), PVC, stabilized by para-ethyl carboxy N-phenyl maleimide (PEC-NPMI) additive. The effect of addition of the stabilizer PEC-NPMI, with different concentrations, was studied. The results indicate that the addition of PEC-NPMI with 0.01 g/1 g PVC enhances the isotropic nature of the PVC polymer. Furthermore the effect of laser radiation on the optical properties of the 0.01 g PEC-NPMI/1 g PVC polymer was studied. The study shows that the PVC stabilized with 0.01 g PEC-NPMI/1 g PVC and irradiated with 4.27 J/cm infrared laser radiation is most suitable for applications requiring PVC of high absorbance value in the IR and UV regions.