Synthesis and Characterization of New Modified Poly(vinyl chloride) Polymers and Study of their Photodegradation under Irradiation with Ultra-Violet Radiation

Abstract

The present work describes synthesis and characterization of new modified Poly (vinyl chloride) polymer containing amino and mercapto - derivatives as pendent groups in the repeating units. This is performed via reacting of heterocyclic compound contain thiol and amine groups with PVC in tetrahydrofuran as solvent. The structure of modified PVC polymer was characterized by IR and ¹H-NMR. The Photostability of modified PVC polymer was investigated under irradiation with ultra violet radiation from mercury vapor lamp 150 watt. The photostability effects of this heterocyclic compound depends on the basicity of carbonyl, alkene and hydroxyl indexes. The obtained results showed that the photostability of modified PVC polymer was decreased with increasing of irradiation time and with elevation of reaction temperature as well as in case of increasing of period of illumination.

Keywords:
Modified PVC; Photodegradation; irradiation; photostability; illumination

HIGHLIGHTS

• The Photostability of modified PVC polymer was investigated under irradiation with UV radiation.