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 Contemporary Materials 2016 - Савремени Материјали - confOrganiser.com

Contemporary Materials 2016 - Савремени Материјали

September 4 - 5, 2016.

ENHANCEMENT OF THE SURFACE DIELECTRIC AND PHOTODIELECTRIC PROPERTIES OF LOW DENSITY POLYETILENE BY ADDING EMODIN

Author(s):
1. Blanka Škipina, Republic of Srpska, Bosnia and Herzegovina
2. Z. Kukrić, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
3. M. Milošević, Faculty of Technology Banja Luka, Republic of Srpska, Bosnia and Herzegovina
4. A.s Luyt, Center for Advanced Materials, Qatar University, PO Box 2713, Doha, Qatar, Qatar
5. Duško Dudić, Department of Chemistry, University of the Free State, Private Bag X13, Phuthaditjhaba, 9866 South A, Serbia


Abstract:
In this paper, we report surface dielectric and photodielectric properties of LDPE/Emodin composites. Emodin was extracted from F. japonica. Composite hase been performed from the xylene solution. Dielectric measurements were performed in the frequency range from 240 Hz to 4 kHz and temperature range from 20 – 70 ⁰C. Irradiation of the sample were applied before and during measurement by UV and LED lamps with selected wavelengths from UV to Vis range. Surface dielectric conductance and susceptance of the LDPE/Emodine composite is higher then value of conductance and susceptance of pure LDPE. We were found an increase of conductance and susceptance of the LDPE/Emodin comosite with increase of frequency by one order of magnitude. Furthermore, the surface conductance and susceptance increase due to UV radiation in mentioned temperture range, but during VIS radiation we were obtained enhance of conductance only at temperatures range up to 50 ⁰C.

Key words:
Dielectric Properties,Photodielectric Properties, LDPE,Emodin,composite.

Thematic field:
SYMPOSIUM A - Science of matter, condensed matter and physics of solid states

Date of abstract submission:
18.08.2017.

Conference:
Contemporary Materials 2017 - Savremeni Materijali

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