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Register a new userThe influence of irradiation on band gap Eg values for PVC membranes prepared by Casting method
تأثير التشعيع على قيم فجوة الطاقة Eg لأغشية من PVC محضرة بطريقة (Casting)
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ختام قنجراوي( باحث )
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تم في هذا البحث تحضير أغشية نقية من بولي فينيل كلورايد بطريقة الصب, تم تشعيع هذه الأغشية بأشعة غاما و ذلك في درجة حرارة الغرفة, و تحت الضغط الجوي النظامي. تبين من هذه الدراسة أن التشعيع قد أثر بشكل واضح على بعض الخصائص الضوئية, حيث لوحظ زيادة في قيم النفوذية بينما حافظت الانتقالات الالكترونية على نوعها قبل التشعيع و بعده.
In this paper samples of poly vinyl chloride PVC ,pure, irradiated with Gama rays, were prepared by casting method in room temperature and light, and under atmosphere pressure. It was observed from this research that irradiation made real effect on some of the studied optical properties, the irradiation increased the transmittance while the electronic transitions kind remained indirect before and after the irradiation.
References used
SUSILAWATI and DOYAN,A 2009 Dose Response And Optical Properties Of Dyed Poly Vinyl Alcohol-Trichloroacetic Acid Polymeric Blends Irradiated With Gamma-Rays, American Journal of Applied Sciences, vol.6 No.12, 2071-2077
LAZAROAIE, C et al 2010 Chemical Modification Of PVC For Polymer Matrices With Special Properties, U.P.B. Science Bull, series B vol.72 No.2, 127-140
HUSSAIN, H et al 2013 The Effect Of Gamma Radiation On Polyvinyl Chloride And CN-85, Journal Of Basrah Researches (Science),vol. 39 No.1A, 112-124
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first premandibular molar after ٢،٤،٦،٨ days of irradiation, to investigate the
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and irradiation with a dose of 2 kilo Gray eliminated sufficiently the microbial
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importance of such these treatments especially that this traditional product
concerns large number of consumers and is exported to different countries in
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