Jančić Heinemann, R., Vuksanović, M. M., Tomić, N., Petrović, M., Spasojević, P., Radišić, M., Radojević, V., Trifunović, D.,& Marinković, A.. (2018). Kompozitni materijali na bazi PMMA modifikovan dimetil itakonatom sa poboljšanom žilavosti i smanjenom količinom zaostalog monomera. .
https://hdl.handle.net/21.15107/rcub_vinar_13003

Jančić Heinemann R, Vuksanović MM, Tomić N, Petrović M, Spasojević P, Radišić M, Radojević V, Trifunović D, Marinković A. Kompozitni materijali na bazi PMMA modifikovan dimetil itakonatom sa poboljšanom žilavosti i smanjenom količinom zaostalog monomera. 2018;.
https://hdl.handle.net/21.15107/rcub_vinar_13003 .

Jančić Heinemann, Radmila, Vuksanović, Marija M., Tomić, Nataša, Petrović, Miloš, Spasojević, Pavle, Radišić, Marina, Radojević, Vesna, Trifunović, Dejan, Marinković, Aleksandar, "Kompozitni materijali na bazi PMMA modifikovan dimetil itakonatom sa poboljšanom žilavosti i smanjenom količinom zaostalog monomera" (2018),
https://hdl.handle.net/21.15107/rcub_vinar_13003 .

TY  - JOUR
AU  - Radoman, Tijana S.
AU  - Džunuzović, Jasna V.
AU  - Spasojević, Pavle M.
AU  - Marinović-Cincović, Milena
AU  - Jeremić, Katarina B.
AU  - Popović, Ivanka G.
AU  - Džunuzović, Enis S.
PY  - 2018
UR  - http://doi.wiley.com/10.1002/pc.24089
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7789
AB  - Alkyd resin/TiO2 nanocomposites (NC) were prepared from short oil alkyd resin and TiO2 nanoparticles (NPs) surface modified with in situ formed imine ligand, based on 3,4-dihydroxybenzaldehyde and oleylamine, or with three gallic acid esters. The short oil alkyd resin was synthesized from sunflower oil, phthalic anhydride, and trimethylolpropane. Unmodified and surface modified TiO2 NPs were examined by transmission electron microscopy. Rheological investigation revealed that prepared dispersions have higher dynamic viscosity than pure alkyd resin. Using different characterization methods it was obtained that NCs have similar thermooxidative stability as alkyd resin, lower glass transition temperature, better barrier properties, enhanced hardness, better chemical resistance, and lower adhesion to the metal, except in the case of NC prepared using TiO2 NPs surface modified with imine, which exhibited better adhesion to the metal than pure alkyd resin.
T2  - Polymer Composites
T1  - Preparation and properties of short oil alkyd resin/TiO 2 nanocomposites based on surface modified TiO 2 nanoparticles
VL  - 39
IS  - 5
SP  - 1488
EP  - 1499
DO  - 10.1002/pc.24089
ER  - 

@article{
author = "Radoman, Tijana S. and Džunuzović, Jasna V. and Spasojević, Pavle M. and Marinović-Cincović, Milena and Jeremić, Katarina B. and Popović, Ivanka G. and Džunuzović, Enis S.",
year = "2018",
abstract = "Alkyd resin/TiO2 nanocomposites (NC) were prepared from short oil alkyd resin and TiO2 nanoparticles (NPs) surface modified with in situ formed imine ligand, based on 3,4-dihydroxybenzaldehyde and oleylamine, or with three gallic acid esters. The short oil alkyd resin was synthesized from sunflower oil, phthalic anhydride, and trimethylolpropane. Unmodified and surface modified TiO2 NPs were examined by transmission electron microscopy. Rheological investigation revealed that prepared dispersions have higher dynamic viscosity than pure alkyd resin. Using different characterization methods it was obtained that NCs have similar thermooxidative stability as alkyd resin, lower glass transition temperature, better barrier properties, enhanced hardness, better chemical resistance, and lower adhesion to the metal, except in the case of NC prepared using TiO2 NPs surface modified with imine, which exhibited better adhesion to the metal than pure alkyd resin.",
journal = "Polymer Composites",
title = "Preparation and properties of short oil alkyd resin/TiO 2 nanocomposites based on surface modified TiO 2 nanoparticles",
volume = "39",
number = "5",
pages = "1488-1499",
doi = "10.1002/pc.24089"
}

Radoman, T. S., Džunuzović, J. V., Spasojević, P. M., Marinović-Cincović, M., Jeremić, K. B., Popović, I. G.,& Džunuzović, E. S.. (2018). Preparation and properties of short oil alkyd resin/TiO 2 nanocomposites based on surface modified TiO 2 nanoparticles. in Polymer Composites, 39(5), 1488-1499.
https://doi.org/10.1002/pc.24089

Radoman TS, Džunuzović JV, Spasojević PM, Marinović-Cincović M, Jeremić KB, Popović IG, Džunuzović ES. Preparation and properties of short oil alkyd resin/TiO 2 nanocomposites based on surface modified TiO 2 nanoparticles. in Polymer Composites. 2018;39(5):1488-1499.
doi:10.1002/pc.24089 .

Radoman, Tijana S., Džunuzović, Jasna V., Spasojević, Pavle M., Marinović-Cincović, Milena, Jeremić, Katarina B., Popović, Ivanka G., Džunuzović, Enis S., "Preparation and properties of short oil alkyd resin/TiO 2 nanocomposites based on surface modified TiO 2 nanoparticles" in Polymer Composites, 39, no. 5 (2018):1488-1499,
https://doi.org/10.1002/pc.24089 . .

TY  - JOUR
AU  - Fidanovski, Bojana Z.
AU  - Spasojević, Pavle M.
AU  - Panić, Vesna V.
AU  - Šešlija, Sanja
AU  - Spasojević, Jelena P.
AU  - Popović, Ivanka G.
PY  - 2018
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1877
AB  - The sustainable tomorrow for future generations lies with the present industrial development toward the proper utilization of various bio-based products. For a transition to a higher level of sustainability, it is necessary to form a new platform for advanced technology products. This paper reports the development of new fully bio-based unsaturated polyesters resins (UPRs). A series of prepolymers were synthesized by varying saturated diacids (oxalic, succinic and adipic acid), itaconic acid and 1,2-propandiol. Dimethyl itaconate was used as a reactive diluent (RD) in amounts of 30, 35 and 40 wt%. Rheological measurements showed that the obtained resins possessed viscosities (234-2226 mPa s) amenable to a variety of liquid molding techniques. The impact of composition variables-prepolymer structure and amount of RD-on the chemical, mechanical and thermal properties of the thermosets was examined by DMA, TA and tensile measurements and was discussed in detail. The tensile properties (37-52 MPa), glass transition temperature (60-97 A degrees C) and coefficient of thermal expansion (71-168 10(-6) A degrees C-1) of the cured resins were in the desired range for UPRs. This investigation showed that UPRs based on itaconic acid can be tailored during synthesis of the prepolymer to meet the needs of different property profiles.
T2  - Journal of Materials Science
T1  - Synthesis and characterization of fully bio-based unsaturated polyester resins
VL  - 53
IS  - 6
SP  - 4635
EP  - 4644
DO  - 10.1007/s10853-017-1822-y
ER  - 

@article{
author = "Fidanovski, Bojana Z. and Spasojević, Pavle M. and Panić, Vesna V. and Šešlija, Sanja and Spasojević, Jelena P. and Popović, Ivanka G.",
year = "2018",
abstract = "The sustainable tomorrow for future generations lies with the present industrial development toward the proper utilization of various bio-based products. For a transition to a higher level of sustainability, it is necessary to form a new platform for advanced technology products. This paper reports the development of new fully bio-based unsaturated polyesters resins (UPRs). A series of prepolymers were synthesized by varying saturated diacids (oxalic, succinic and adipic acid), itaconic acid and 1,2-propandiol. Dimethyl itaconate was used as a reactive diluent (RD) in amounts of 30, 35 and 40 wt%. Rheological measurements showed that the obtained resins possessed viscosities (234-2226 mPa s) amenable to a variety of liquid molding techniques. The impact of composition variables-prepolymer structure and amount of RD-on the chemical, mechanical and thermal properties of the thermosets was examined by DMA, TA and tensile measurements and was discussed in detail. The tensile properties (37-52 MPa), glass transition temperature (60-97 A degrees C) and coefficient of thermal expansion (71-168 10(-6) A degrees C-1) of the cured resins were in the desired range for UPRs. This investigation showed that UPRs based on itaconic acid can be tailored during synthesis of the prepolymer to meet the needs of different property profiles.",
journal = "Journal of Materials Science",
title = "Synthesis and characterization of fully bio-based unsaturated polyester resins",
volume = "53",
number = "6",
pages = "4635-4644",
doi = "10.1007/s10853-017-1822-y"
}

Fidanovski, B. Z., Spasojević, P. M., Panić, V. V., Šešlija, S., Spasojević, J. P.,& Popović, I. G.. (2018). Synthesis and characterization of fully bio-based unsaturated polyester resins. in Journal of Materials Science, 53(6), 4635-4644.
https://doi.org/10.1007/s10853-017-1822-y

Fidanovski BZ, Spasojević PM, Panić VV, Šešlija S, Spasojević JP, Popović IG. Synthesis and characterization of fully bio-based unsaturated polyester resins. in Journal of Materials Science. 2018;53(6):4635-4644.
doi:10.1007/s10853-017-1822-y .

Fidanovski, Bojana Z., Spasojević, Pavle M., Panić, Vesna V., Šešlija, Sanja, Spasojević, Jelena P., Popović, Ivanka G., "Synthesis and characterization of fully bio-based unsaturated polyester resins" in Journal of Materials Science, 53, no. 6 (2018):4635-4644,
https://doi.org/10.1007/s10853-017-1822-y . .

TY  - JOUR
AU  - Panić, Vesna V.
AU  - Šešlija, Sanja
AU  - Popović, Ivanka G.
AU  - Spasojević, Vuk D.
AU  - Popović, Aleksandar R.
AU  - Nikolić, Vladimir B.
AU  - Spasojević, Pavle M.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1873
AB  - For the preparation of fully biobased unsaturated polyester resins (UPRs), the replacement of styrene with alternate nonpetroleum-based monomers turned out to be one of the most challenging tasks. Its complexity lies in the fact that reactive diluents (RD) have to have low viscosity and volatility, good compatibility with prepolymer, and capability to homopolymerize and copolymerize with its unsaturations. In this context, we directed our efforts to develop fully biobased UPRs using the dialkyl itaconates as an alternative to styrene. Therefore, a series of 100% biobased UPRs were prepared from itaconic acid and 1,2-propandiol and diluted by dialkyl itaconates. The resins were characterized by Fourier transform infrared spectroscopy, NMR, volatility, and viscosity measurements, while the cured samples were characterized by dynamic mechanical properties, thermomechanical analysis, thermogravimetric analysis data, and tensile tests. The influence of RD structure on the properties of cured samples was discussed in detail. It was shown that the prepared resins had evaporation rates of dialkyl itaconates of several orders of magnitude less compared to styrene. The cured resins with dimethyl itaconate showed comparable or even better thermal and mechanical properties compared to the one with styrene. This investigation showed that itaconic acid and dialkyl itaconates are promising bioresources for the preparation of fully biobased UPRs for mass consumption.
T2  - Biomacromolecules
T1  - Simple One-Pot Synthesis of Fully Biobased Unsaturated Polyester Resins Based on Itaconic Acid
VL  - 18
IS  - 12
SP  - 3881
EP  - 3891
DO  - 10.1021/acs.biomac.7b00840
ER  - 

@article{
author = "Panić, Vesna V. and Šešlija, Sanja and Popović, Ivanka G. and Spasojević, Vuk D. and Popović, Aleksandar R. and Nikolić, Vladimir B. and Spasojević, Pavle M.",
year = "2017",
abstract = "For the preparation of fully biobased unsaturated polyester resins (UPRs), the replacement of styrene with alternate nonpetroleum-based monomers turned out to be one of the most challenging tasks. Its complexity lies in the fact that reactive diluents (RD) have to have low viscosity and volatility, good compatibility with prepolymer, and capability to homopolymerize and copolymerize with its unsaturations. In this context, we directed our efforts to develop fully biobased UPRs using the dialkyl itaconates as an alternative to styrene. Therefore, a series of 100% biobased UPRs were prepared from itaconic acid and 1,2-propandiol and diluted by dialkyl itaconates. The resins were characterized by Fourier transform infrared spectroscopy, NMR, volatility, and viscosity measurements, while the cured samples were characterized by dynamic mechanical properties, thermomechanical analysis, thermogravimetric analysis data, and tensile tests. The influence of RD structure on the properties of cured samples was discussed in detail. It was shown that the prepared resins had evaporation rates of dialkyl itaconates of several orders of magnitude less compared to styrene. The cured resins with dimethyl itaconate showed comparable or even better thermal and mechanical properties compared to the one with styrene. This investigation showed that itaconic acid and dialkyl itaconates are promising bioresources for the preparation of fully biobased UPRs for mass consumption.",
journal = "Biomacromolecules",
title = "Simple One-Pot Synthesis of Fully Biobased Unsaturated Polyester Resins Based on Itaconic Acid",
volume = "18",
number = "12",
pages = "3881-3891",
doi = "10.1021/acs.biomac.7b00840"
}

Panić, V. V., Šešlija, S., Popović, I. G., Spasojević, V. D., Popović, A. R., Nikolić, V. B.,& Spasojević, P. M.. (2017). Simple One-Pot Synthesis of Fully Biobased Unsaturated Polyester Resins Based on Itaconic Acid. in Biomacromolecules, 18(12), 3881-3891.
https://doi.org/10.1021/acs.biomac.7b00840

Panić VV, Šešlija S, Popović IG, Spasojević VD, Popović AR, Nikolić VB, Spasojević PM. Simple One-Pot Synthesis of Fully Biobased Unsaturated Polyester Resins Based on Itaconic Acid. in Biomacromolecules. 2017;18(12):3881-3891.
doi:10.1021/acs.biomac.7b00840 .

Panić, Vesna V., Šešlija, Sanja, Popović, Ivanka G., Spasojević, Vuk D., Popović, Aleksandar R., Nikolić, Vladimir B., Spasojević, Pavle M., "Simple One-Pot Synthesis of Fully Biobased Unsaturated Polyester Resins Based on Itaconic Acid" in Biomacromolecules, 18, no. 12 (2017):3881-3891,
https://doi.org/10.1021/acs.biomac.7b00840 . .

TY  - JOUR
AU  - Rusmirović, Jelena D.
AU  - Radoman, Tijana S.
AU  - Džunuzović, Enis S.
AU  - Džunuzović, Jasna V.
AU  - Markovski, Jasmina S.
AU  - Spasojević, Pavle M.
AU  - Marinković, Aleksandar D.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1473
AB  - Unsaturated polyester resin (UPe)-based nanocomposites and fumed silica Aerosil R812S, R805 and R816, and R200 modified with phenyl terminal group, R200NPh, were prepared. UPe resins were synthesized from maleic anhydride and products of glycolysis, obtained by polyethylene terephthalate depolymerization with dipropylene glycol in the presence of tetrabutyl titanate catalyst. The obtained unsaturated polyesters were characterized by acid, hydroxyl, and iodine values and by FTIR and NMR analysis. The microstructural analysis of the prepared nanocomposites, performed by using transmission electron microscopy, confirmed that silica nanoparticles formed chain-like aggregates in the polymer matrix. The presence of modified silica nanoparticles had no influence on the glass transition temperature and thermal stability of polyester matrix. The tensile modulus, stress at break, and hardness of cured products increased with increasing silica content. The impact strength of cured samples was not influenced by the silica content. (C) 2015 Society of Plastics Engineers
T2  - Polymer Composites
T1  - Effect of the Modified Silica Nanofiller on the Mechanical Properties of Unsaturated Polyester Resins Based on Recycled Polyethylene Terephthalate
VL  - 38
IS  - 3
SP  - 538
EP  - 554
DO  - 10.1002/pc.23613
ER  - 

@article{
author = "Rusmirović, Jelena D. and Radoman, Tijana S. and Džunuzović, Enis S. and Džunuzović, Jasna V. and Markovski, Jasmina S. and Spasojević, Pavle M. and Marinković, Aleksandar D.",
year = "2017",
abstract = "Unsaturated polyester resin (UPe)-based nanocomposites and fumed silica Aerosil R812S, R805 and R816, and R200 modified with phenyl terminal group, R200NPh, were prepared. UPe resins were synthesized from maleic anhydride and products of glycolysis, obtained by polyethylene terephthalate depolymerization with dipropylene glycol in the presence of tetrabutyl titanate catalyst. The obtained unsaturated polyesters were characterized by acid, hydroxyl, and iodine values and by FTIR and NMR analysis. The microstructural analysis of the prepared nanocomposites, performed by using transmission electron microscopy, confirmed that silica nanoparticles formed chain-like aggregates in the polymer matrix. The presence of modified silica nanoparticles had no influence on the glass transition temperature and thermal stability of polyester matrix. The tensile modulus, stress at break, and hardness of cured products increased with increasing silica content. The impact strength of cured samples was not influenced by the silica content. (C) 2015 Society of Plastics Engineers",
journal = "Polymer Composites",
title = "Effect of the Modified Silica Nanofiller on the Mechanical Properties of Unsaturated Polyester Resins Based on Recycled Polyethylene Terephthalate",
volume = "38",
number = "3",
pages = "538-554",
doi = "10.1002/pc.23613"
}

Rusmirović, J. D., Radoman, T. S., Džunuzović, E. S., Džunuzović, J. V., Markovski, J. S., Spasojević, P. M.,& Marinković, A. D.. (2017). Effect of the Modified Silica Nanofiller on the Mechanical Properties of Unsaturated Polyester Resins Based on Recycled Polyethylene Terephthalate. in Polymer Composites, 38(3), 538-554.
https://doi.org/10.1002/pc.23613

Rusmirović JD, Radoman TS, Džunuzović ES, Džunuzović JV, Markovski JS, Spasojević PM, Marinković AD. Effect of the Modified Silica Nanofiller on the Mechanical Properties of Unsaturated Polyester Resins Based on Recycled Polyethylene Terephthalate. in Polymer Composites. 2017;38(3):538-554.
doi:10.1002/pc.23613 .

Rusmirović, Jelena D., Radoman, Tijana S., Džunuzović, Enis S., Džunuzović, Jasna V., Markovski, Jasmina S., Spasojević, Pavle M., Marinković, Aleksandar D., "Effect of the Modified Silica Nanofiller on the Mechanical Properties of Unsaturated Polyester Resins Based on Recycled Polyethylene Terephthalate" in Polymer Composites, 38, no. 3 (2017):538-554,
https://doi.org/10.1002/pc.23613 . .

TY  - JOUR
AU  - Spasojević, Pavle M.
AU  - Panić, Vesna V.
AU  - Jović, Mihajlo D.
AU  - Marković, Jelena P.
AU  - van Roost, C.
AU  - Popović, Ivanka G.
AU  - Veličković, Sava J.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/910
AB  - Mimicking the extraordinary performances of natural materials presents an attractive, but challenging approach in the synthesis of advanced functional materials. In the field of separation techniques, the design of a low-cost, regenerative, environmentally friendly sorbent and the utilization of most of its active centers to remove the targeted pollutant are everyday challenges. The combination of casein and poly(sodium methacrylate) (PMANa) in the form of a soft polymer network is proposed as a promising sorbent for the removal of Ni2+ from wastewater. Such a combination and an applied synthetic route form hybrid materials with better sorption properties than both their components alone. SEM and TEM show that caseinate micelles are dissociated and the more exposed protein structure is stabilized by the PMANa network and able to form various stable complexes. The achieved sorption capacity (224 mg g(-1)) is among the highest reported in the literature. The very high removal efficiency in the wide range of the initial Ni2+ concentrations (0.05-200 ppm) and easy and complete regeneration without decrease in sorption capacities make these low-cost materials highly sensitive sorbents attractive for use under real conditions where it is necessary to avoid environmental risks and provide the recovery and reuse of the metal.
T2  - Journal of Materials Chemistry. A
T1  - Biomimic hybrid polymer networks based on casein and poly(methacrylic acid). Case study: Ni2+ removal
VL  - 4
IS  - 5
SP  - 1680
EP  - 1693
DO  - 10.1039/c5ta08424e
ER  - 

@article{
author = "Spasojević, Pavle M. and Panić, Vesna V. and Jović, Mihajlo D. and Marković, Jelena P. and van Roost, C. and Popović, Ivanka G. and Veličković, Sava J.",
year = "2016",
abstract = "Mimicking the extraordinary performances of natural materials presents an attractive, but challenging approach in the synthesis of advanced functional materials. In the field of separation techniques, the design of a low-cost, regenerative, environmentally friendly sorbent and the utilization of most of its active centers to remove the targeted pollutant are everyday challenges. The combination of casein and poly(sodium methacrylate) (PMANa) in the form of a soft polymer network is proposed as a promising sorbent for the removal of Ni2+ from wastewater. Such a combination and an applied synthetic route form hybrid materials with better sorption properties than both their components alone. SEM and TEM show that caseinate micelles are dissociated and the more exposed protein structure is stabilized by the PMANa network and able to form various stable complexes. The achieved sorption capacity (224 mg g(-1)) is among the highest reported in the literature. The very high removal efficiency in the wide range of the initial Ni2+ concentrations (0.05-200 ppm) and easy and complete regeneration without decrease in sorption capacities make these low-cost materials highly sensitive sorbents attractive for use under real conditions where it is necessary to avoid environmental risks and provide the recovery and reuse of the metal.",
journal = "Journal of Materials Chemistry. A",
title = "Biomimic hybrid polymer networks based on casein and poly(methacrylic acid). Case study: Ni2+ removal",
volume = "4",
number = "5",
pages = "1680-1693",
doi = "10.1039/c5ta08424e"
}

Spasojević, P. M., Panić, V. V., Jović, M. D., Marković, J. P., van Roost, C., Popović, I. G.,& Veličković, S. J.. (2016). Biomimic hybrid polymer networks based on casein and poly(methacrylic acid). Case study: Ni2+ removal. in Journal of Materials Chemistry. A, 4(5), 1680-1693.
https://doi.org/10.1039/c5ta08424e

Spasojević PM, Panić VV, Jović MD, Marković JP, van Roost C, Popović IG, Veličković SJ. Biomimic hybrid polymer networks based on casein and poly(methacrylic acid). Case study: Ni2+ removal. in Journal of Materials Chemistry. A. 2016;4(5):1680-1693.
doi:10.1039/c5ta08424e .

Spasojević, Pavle M., Panić, Vesna V., Jović, Mihajlo D., Marković, Jelena P., van Roost, C., Popović, Ivanka G., Veličković, Sava J., "Biomimic hybrid polymer networks based on casein and poly(methacrylic acid). Case study: Ni2+ removal" in Journal of Materials Chemistry. A, 4, no. 5 (2016):1680-1693,
https://doi.org/10.1039/c5ta08424e . .