TY  - JOUR
AU  - Elmadani, A. A.
AU  - Radović, Ivana
AU  - Tomić, Nataša
AU  - Petrović, Miloš
AU  - Stojanović, Dušica
AU  - Jančić-Heinemann, Radmila
AU  - Radojević, Vesna
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4125
AB  - The processing and characterization of hybrid PMMA resin composites with nano-zirconia (ZrO2) and electrospun polystyrene (PS) polymer fibers were presented in this study. Reinforcement was selected with the intention to tune the physical and mechanical properties of the hybrid composite. Surface modification of inorganic particles was performed in order to improve the adhesion of reinforcement to the matrix. Fourier transform infrared spectroscopy (FTIR) provided successful modification of zirconia nanoparticles with 3-Methacryloxypropyltrimethoxysilane (MEMO) and bonding improvement between incompatible inorganic nanoparticles and PMMA matrix. Considerable deagglomeration of nanoparticles in the matrix occurred after the modification has been revealed by scanning electron microscopy (SEM). Microhardness increased with the concentration of modified nanoparticles, while the fibers were the modifier that lowers hardness and promotes toughness of hybrid composites. Impact test displayed increased absorbed energy after the PS electrospun fibers had been embedded. The optimized composition of the hybrid was determined and a good balance of thermal and mechanical properties was achieved.
PB  - Public Library Science, San Francisco
T2  - PLoS One
T1  - Hybrid denture acrylic composites with nanozirconia and electrospun polystyrene fibers
IS  - 12
VL  - 14
DO  - 10.1371/journal.pone.0226528
ER  - 

@article{
author = "Elmadani, A. A. and Radović, Ivana and Tomić, Nataša and Petrović, Miloš and Stojanović, Dušica and Jančić-Heinemann, Radmila and Radojević, Vesna",
year = "2019",
abstract = "The processing and characterization of hybrid PMMA resin composites with nano-zirconia (ZrO2) and electrospun polystyrene (PS) polymer fibers were presented in this study. Reinforcement was selected with the intention to tune the physical and mechanical properties of the hybrid composite. Surface modification of inorganic particles was performed in order to improve the adhesion of reinforcement to the matrix. Fourier transform infrared spectroscopy (FTIR) provided successful modification of zirconia nanoparticles with 3-Methacryloxypropyltrimethoxysilane (MEMO) and bonding improvement between incompatible inorganic nanoparticles and PMMA matrix. Considerable deagglomeration of nanoparticles in the matrix occurred after the modification has been revealed by scanning electron microscopy (SEM). Microhardness increased with the concentration of modified nanoparticles, while the fibers were the modifier that lowers hardness and promotes toughness of hybrid composites. Impact test displayed increased absorbed energy after the PS electrospun fibers had been embedded. The optimized composition of the hybrid was determined and a good balance of thermal and mechanical properties was achieved.",
publisher = "Public Library Science, San Francisco",
journal = "PLoS One",
title = "Hybrid denture acrylic composites with nanozirconia and electrospun polystyrene fibers",
number = "12",
volume = "14",
doi = "10.1371/journal.pone.0226528"
}

Elmadani, A. A., Radović, I., Tomić, N., Petrović, M., Stojanović, D., Jančić-Heinemann, R.,& Radojević, V.. (2019). Hybrid denture acrylic composites with nanozirconia and electrospun polystyrene fibers. in PLoS One
Public Library Science, San Francisco., 14(12).
https://doi.org/10.1371/journal.pone.0226528

Elmadani AA, Radović I, Tomić N, Petrović M, Stojanović D, Jančić-Heinemann R, Radojević V. Hybrid denture acrylic composites with nanozirconia and electrospun polystyrene fibers. in PLoS One. 2019;14(12).
doi:10.1371/journal.pone.0226528 .

Elmadani, A. A., Radović, Ivana, Tomić, Nataša, Petrović, Miloš, Stojanović, Dušica, Jančić-Heinemann, Radmila, Radojević, Vesna, "Hybrid denture acrylic composites with nanozirconia and electrospun polystyrene fibers" in PLoS One, 14, no. 12 (2019),
https://doi.org/10.1371/journal.pone.0226528 . .

TY  - JOUR
AU  - Elmadani, A. A.
AU  - Tomić, Nataša
AU  - Radović, Ivana
AU  - Vuksanović, Marija M.
AU  - Stojanović, Dušica
AU  - Jančić-Heinemann, Radmila
AU  - Radojević, Vesna
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4044
AB  - To obtain flakes like zirconia particles at relatively low temperature, the synthesis method for producing zirconia particles on the surface of salt particles that serve as a template is examined. The produced particles are incorporated as reinforcement in the poly(methyl methacrylate) matrix to obtain a composite material. The particles were characterized by the X-ray diffraction, Fourier-transform infrared spectroscopy, and image analysis. The morphology of the particles and composites was examined using a field emission scanning electron microscope. Composites prepared with synthesized particles were compared to those containing commercial zirconia particles to estimate the possibility of use of synthesized particles as reinforcement. The influence of the 1 wt% of zirconia particles in composite material on the mechanical properties was studied using microhardness measurements and dynamic mechanical analysis. The results obtained show that the addition of 1 wt% of zirconia particles increases the mechanical properties of the composite relative to the pure polymer matrix.
PB  - Sage Publications Ltd, London
T2  - Advanced Composites Letters
T1  - Salt template zirconia reinforcing particles as possible reinforcement for PMMA matrix composite
VL  - 28
DO  - 10.1177/0963693519879696
ER  - 

@article{
author = "Elmadani, A. A. and Tomić, Nataša and Radović, Ivana and Vuksanović, Marija M. and Stojanović, Dušica and Jančić-Heinemann, Radmila and Radojević, Vesna",
year = "2019",
abstract = "To obtain flakes like zirconia particles at relatively low temperature, the synthesis method for producing zirconia particles on the surface of salt particles that serve as a template is examined. The produced particles are incorporated as reinforcement in the poly(methyl methacrylate) matrix to obtain a composite material. The particles were characterized by the X-ray diffraction, Fourier-transform infrared spectroscopy, and image analysis. The morphology of the particles and composites was examined using a field emission scanning electron microscope. Composites prepared with synthesized particles were compared to those containing commercial zirconia particles to estimate the possibility of use of synthesized particles as reinforcement. The influence of the 1 wt% of zirconia particles in composite material on the mechanical properties was studied using microhardness measurements and dynamic mechanical analysis. The results obtained show that the addition of 1 wt% of zirconia particles increases the mechanical properties of the composite relative to the pure polymer matrix.",
publisher = "Sage Publications Ltd, London",
journal = "Advanced Composites Letters",
title = "Salt template zirconia reinforcing particles as possible reinforcement for PMMA matrix composite",
volume = "28",
doi = "10.1177/0963693519879696"
}

Elmadani, A. A., Tomić, N., Radović, I., Vuksanović, M. M., Stojanović, D., Jančić-Heinemann, R.,& Radojević, V.. (2019). Salt template zirconia reinforcing particles as possible reinforcement for PMMA matrix composite. in Advanced Composites Letters
Sage Publications Ltd, London., 28.
https://doi.org/10.1177/0963693519879696

Elmadani AA, Tomić N, Radović I, Vuksanović MM, Stojanović D, Jančić-Heinemann R, Radojević V. Salt template zirconia reinforcing particles as possible reinforcement for PMMA matrix composite. in Advanced Composites Letters. 2019;28.
doi:10.1177/0963693519879696 .

Elmadani, A. A., Tomić, Nataša, Radović, Ivana, Vuksanović, Marija M., Stojanović, Dušica, Jančić-Heinemann, Radmila, Radojević, Vesna, "Salt template zirconia reinforcing particles as possible reinforcement for PMMA matrix composite" in Advanced Composites Letters, 28 (2019),
https://doi.org/10.1177/0963693519879696 . .

TY  - JOUR
AU  - Elmadani, A. A.
AU  - Tomić, Nataša
AU  - Petrović, Miloš
AU  - Stojanović, Dušica
AU  - Mirjanić, V.
AU  - Jančić-Heinemann, Radmila
AU  - Radojević, Vesna
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3795
AB  - This paper investigated the processing and characterization of dental nanocomposites based on poly(methyl methacrylate) (PMMA) matrix reinforced with zirconium dioxide (ZrO2) nanoparticles were prepared by in-situ free radical polymerization. Surface functionalization of ZrO2 was performed by using silane coupling agents with vinyl and methacryloxy organo-functional groups. FTIR spectrometry was employed in order to characterize functionalized surface of zirconium oxide and to evaluate chemical interactions between the fillers and matrix in nanocomposites. Micro Vickers hardness showed significant improved resistance to indentation of dental nanocomposites when modified nanoparticles were employed. Obtained SEM images showed that silane coupling agents enabled effective dispersion of nanoparticles in matrix. Thermal properties of nanocomposites were analyzed by differential scanning calorimetry (DSC). Low energy impact test was performed in order to determine the mechanical properties of nanocomposites.
PB  - Inst Materials Physics, Bucharest
T2  - Digest Journal of Nanomaterials and Biostructures
T1  - Influence of surface modification to mechanical and thermal properties of nanomodified acrylic dental resin
EP  - 29
IS  - 1
SP  - 23
VL  - 13
UR  - https://hdl.handle.net/21.15107/rcub_technorep_3795
ER  - 

@article{
author = "Elmadani, A. A. and Tomić, Nataša and Petrović, Miloš and Stojanović, Dušica and Mirjanić, V. and Jančić-Heinemann, Radmila and Radojević, Vesna",
year = "2018",
abstract = "This paper investigated the processing and characterization of dental nanocomposites based on poly(methyl methacrylate) (PMMA) matrix reinforced with zirconium dioxide (ZrO2) nanoparticles were prepared by in-situ free radical polymerization. Surface functionalization of ZrO2 was performed by using silane coupling agents with vinyl and methacryloxy organo-functional groups. FTIR spectrometry was employed in order to characterize functionalized surface of zirconium oxide and to evaluate chemical interactions between the fillers and matrix in nanocomposites. Micro Vickers hardness showed significant improved resistance to indentation of dental nanocomposites when modified nanoparticles were employed. Obtained SEM images showed that silane coupling agents enabled effective dispersion of nanoparticles in matrix. Thermal properties of nanocomposites were analyzed by differential scanning calorimetry (DSC). Low energy impact test was performed in order to determine the mechanical properties of nanocomposites.",
publisher = "Inst Materials Physics, Bucharest",
journal = "Digest Journal of Nanomaterials and Biostructures",
title = "Influence of surface modification to mechanical and thermal properties of nanomodified acrylic dental resin",
pages = "29-23",
number = "1",
volume = "13",
url = "https://hdl.handle.net/21.15107/rcub_technorep_3795"
}

Elmadani, A. A., Tomić, N., Petrović, M., Stojanović, D., Mirjanić, V., Jančić-Heinemann, R.,& Radojević, V.. (2018). Influence of surface modification to mechanical and thermal properties of nanomodified acrylic dental resin. in Digest Journal of Nanomaterials and Biostructures
Inst Materials Physics, Bucharest., 13(1), 23-29.
https://hdl.handle.net/21.15107/rcub_technorep_3795

Elmadani AA, Tomić N, Petrović M, Stojanović D, Mirjanić V, Jančić-Heinemann R, Radojević V. Influence of surface modification to mechanical and thermal properties of nanomodified acrylic dental resin. in Digest Journal of Nanomaterials and Biostructures. 2018;13(1):23-29.
https://hdl.handle.net/21.15107/rcub_technorep_3795 .

Elmadani, A. A., Tomić, Nataša, Petrović, Miloš, Stojanović, Dušica, Mirjanić, V., Jančić-Heinemann, Radmila, Radojević, Vesna, "Influence of surface modification to mechanical and thermal properties of nanomodified acrylic dental resin" in Digest Journal of Nanomaterials and Biostructures, 13, no. 1 (2018):23-29,
https://hdl.handle.net/21.15107/rcub_technorep_3795 .