Burak Kadhim؛ Ahamed Ahamed؛ Amir Fadhil Dawood؛ Karim H Hassan
پوخته
The photo sensitized degradation of polymer system is occasionally used as a means ofsolving the problem of environmental pollution, photostabilization of polystyrene filmsusing chrom ...
زیاتر بخوێنەوە
The photo sensitized degradation of polymer system is occasionally used as a means ofsolving the problem of environmental pollution, photostabilization of polystyrene filmsusing chrom complexes was investigated. Poly styrene films with a thickness of 80μmand contains complexes concentration of 0.05% wt were produced by the castingmethod with chloroform being the solvent The photostabilization activities of thesecomplexes were determined by monitoring changes in carbonyl,(I CO ) and hydroxyl,(I OH )indices and calculating the photodecomposition rate constant (k d ), the average molecularweight for the studied films The results obtained showed that the photostabilizationactivity of polystyrene film in the presence of the complexes as additive follows thetrends:Cr [S2CN(C 2 H 5 ) 2 ] 3 > Cr[C 6 H 4 NO 2 ] 3 > PS > Cr(acac)