TY  - JOUR
AU  - Ponjavić, Marijana
AU  - Malagurski, Ivana
AU  - Lazić, Jelena
AU  - Jeremić, Sanja
AU  - Pavlović, Vladimir B.
AU  - Prlainović, Nevena
AU  - Maksimović, Vesna
AU  - Ćosović, Vladan
AU  - Atanase, Leonard Ionut
AU  - Freitas, Filomena
AU  - Matos, Mariana
AU  - Nikodinović-Runić, Jasmina
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10660
AB  - The quest for sustainable biomaterials with excellent biocompatibility and tailorableproperties has put polyhydroxyalkanoates (PHAs) into the research spotlight. However, high productioncosts and the lack of bioactivity limit their market penetration. To address this, poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) was combined with a bacterial pigment with stronganticancer activity, prodigiosin (PG), to obtain functionally enhanced PHBV-based biomaterials. Thesamples were produced in the form of films 115.6–118.8  m in thickness using the solvent castingmethod. The effects of PG incorporation on the physical properties (morphology, biopolymer crystallinityand thermal stability) and functionality of the obtained biomaterials were investigated. PGhas acted as a nucleating agent, in turn affecting the degree of crystallinity, thermal stability andmorphology of the films. All samples with PG had a more organized internal structure and highermelting and degradation temperatures. The calculated degree of crystallinity of the PHBV copolymerwas 53%, while the PG1, PG3 and PG3 films had values of 64.0%, 63.9% and 69.2%, respectively.Cytotoxicity studies have shown the excellent anticancer activity of films against HCT116 (coloncancer) cells, thus advancing PHBV biomedical application potential.
T2  - International Journal of Molecular Sciences
T1  - Advancing PHBV Biomedical Potential with the Incorporation of Bacterial Biopigment Prodigiosin
VL  - 24
IS  - 3
SP  - 1906
DO  - 10.3390/ijms24031906
ER  - 

@article{
author = "Ponjavić, Marijana and Malagurski, Ivana and Lazić, Jelena and Jeremić, Sanja and Pavlović, Vladimir B. and Prlainović, Nevena and Maksimović, Vesna and Ćosović, Vladan and Atanase, Leonard Ionut and Freitas, Filomena and Matos, Mariana and Nikodinović-Runić, Jasmina",
year = "2023",
abstract = "The quest for sustainable biomaterials with excellent biocompatibility and tailorableproperties has put polyhydroxyalkanoates (PHAs) into the research spotlight. However, high productioncosts and the lack of bioactivity limit their market penetration. To address this, poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) was combined with a bacterial pigment with stronganticancer activity, prodigiosin (PG), to obtain functionally enhanced PHBV-based biomaterials. Thesamples were produced in the form of films 115.6–118.8  m in thickness using the solvent castingmethod. The effects of PG incorporation on the physical properties (morphology, biopolymer crystallinityand thermal stability) and functionality of the obtained biomaterials were investigated. PGhas acted as a nucleating agent, in turn affecting the degree of crystallinity, thermal stability andmorphology of the films. All samples with PG had a more organized internal structure and highermelting and degradation temperatures. The calculated degree of crystallinity of the PHBV copolymerwas 53%, while the PG1, PG3 and PG3 films had values of 64.0%, 63.9% and 69.2%, respectively.Cytotoxicity studies have shown the excellent anticancer activity of films against HCT116 (coloncancer) cells, thus advancing PHBV biomedical application potential.",
journal = "International Journal of Molecular Sciences",
title = "Advancing PHBV Biomedical Potential with the Incorporation of Bacterial Biopigment Prodigiosin",
volume = "24",
number = "3",
pages = "1906",
doi = "10.3390/ijms24031906"
}

Ponjavić, M., Malagurski, I., Lazić, J., Jeremić, S., Pavlović, V. B., Prlainović, N., Maksimović, V., Ćosović, V., Atanase, L. I., Freitas, F., Matos, M.,& Nikodinović-Runić, J.. (2023). Advancing PHBV Biomedical Potential with the Incorporation of Bacterial Biopigment Prodigiosin. in International Journal of Molecular Sciences, 24(3), 1906.
https://doi.org/10.3390/ijms24031906

Ponjavić M, Malagurski I, Lazić J, Jeremić S, Pavlović VB, Prlainović N, Maksimović V, Ćosović V, Atanase LI, Freitas F, Matos M, Nikodinović-Runić J. Advancing PHBV Biomedical Potential with the Incorporation of Bacterial Biopigment Prodigiosin. in International Journal of Molecular Sciences. 2023;24(3):1906.
doi:10.3390/ijms24031906 .

Ponjavić, Marijana, Malagurski, Ivana, Lazić, Jelena, Jeremić, Sanja, Pavlović, Vladimir B., Prlainović, Nevena, Maksimović, Vesna, Ćosović, Vladan, Atanase, Leonard Ionut, Freitas, Filomena, Matos, Mariana, Nikodinović-Runić, Jasmina, "Advancing PHBV Biomedical Potential with the Incorporation of Bacterial Biopigment Prodigiosin" in International Journal of Molecular Sciences, 24, no. 3 (2023):1906,
https://doi.org/10.3390/ijms24031906 . .

TY  - CONF
AU  - Stevanović, Sanja
AU  - Milošević, Dragana
AU  - Tripković, Dušan
AU  - Ćosović, Vladan
AU  - Nikolić, Nebojša
AU  - Maksimović, Vesna
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11758
AB  - In order to achieve widespread application of fuel cell technology, the development of an efficient and economical catalyst is a crucial step. Reducing the diameter of catalyst particles, producing particles with a specific orientation surface, and alloying noble metals with less expensive metals are possible approaches to improve catalyst performance. This study will be focused on novel ways for creating PtSnZn catalysts that are more effective for the anodic reactions in fuel cell such are methanol, ethanol and formic acid oxidation reactions. PtZn and PtSnZn nanoparticles were produced using the microwave assisted polyol method and were supported on high surface area carbon Vulcan XC-72R material. The electrochemical behavior of synthesized catalysts was investigated utilizing the cyclic voltammetry, chronoamperometric technique, and electro-oxidation of adsorbed CO. To determine the catalyst's physicochemical characteristics, X-ray diffraction (XRD), transmission electron microscopy analysis (TEM), and thermogravimetric analysis (TGA) were used. High catalytic activity of the PtSnZn/C catalysts was achieved thanks to the benefits of microwave synthesis and carefully adjusted metal alloying.
PB  - Society of Chemists and Technologists of Macedonia
C3  - 26th Congress of the Society of Chemists and Technologists of Macedonia : the book of abstracts; September 20-23, Ohrid, Macedonia
T1  - Design of PtSnZn Nanocatalysts for Anodic Reactions in Fuel Cells
SP  - 132
EP  - 132
UR  - https://hdl.handle.net/21.15107/rcub_vinar_11758
ER  - 

@conference{
author = "Stevanović, Sanja and Milošević, Dragana and Tripković, Dušan and Ćosović, Vladan and Nikolić, Nebojša and Maksimović, Vesna",
year = "2023",
abstract = "In order to achieve widespread application of fuel cell technology, the development of an efficient and economical catalyst is a crucial step. Reducing the diameter of catalyst particles, producing particles with a specific orientation surface, and alloying noble metals with less expensive metals are possible approaches to improve catalyst performance. This study will be focused on novel ways for creating PtSnZn catalysts that are more effective for the anodic reactions in fuel cell such are methanol, ethanol and formic acid oxidation reactions. PtZn and PtSnZn nanoparticles were produced using the microwave assisted polyol method and were supported on high surface area carbon Vulcan XC-72R material. The electrochemical behavior of synthesized catalysts was investigated utilizing the cyclic voltammetry, chronoamperometric technique, and electro-oxidation of adsorbed CO. To determine the catalyst's physicochemical characteristics, X-ray diffraction (XRD), transmission electron microscopy analysis (TEM), and thermogravimetric analysis (TGA) were used. High catalytic activity of the PtSnZn/C catalysts was achieved thanks to the benefits of microwave synthesis and carefully adjusted metal alloying.",
publisher = "Society of Chemists and Technologists of Macedonia",
journal = "26th Congress of the Society of Chemists and Technologists of Macedonia : the book of abstracts; September 20-23, Ohrid, Macedonia",
title = "Design of PtSnZn Nanocatalysts for Anodic Reactions in Fuel Cells",
pages = "132-132",
url = "https://hdl.handle.net/21.15107/rcub_vinar_11758"
}

Stevanović, S., Milošević, D., Tripković, D., Ćosović, V., Nikolić, N.,& Maksimović, V.. (2023). Design of PtSnZn Nanocatalysts for Anodic Reactions in Fuel Cells. in 26th Congress of the Society of Chemists and Technologists of Macedonia : the book of abstracts; September 20-23, Ohrid, Macedonia
Society of Chemists and Technologists of Macedonia., 132-132.
https://hdl.handle.net/21.15107/rcub_vinar_11758

Stevanović S, Milošević D, Tripković D, Ćosović V, Nikolić N, Maksimović V. Design of PtSnZn Nanocatalysts for Anodic Reactions in Fuel Cells. in 26th Congress of the Society of Chemists and Technologists of Macedonia : the book of abstracts; September 20-23, Ohrid, Macedonia. 2023;:132-132.
https://hdl.handle.net/21.15107/rcub_vinar_11758 .

Stevanović, Sanja, Milošević, Dragana, Tripković, Dušan, Ćosović, Vladan, Nikolić, Nebojša, Maksimović, Vesna, "Design of PtSnZn Nanocatalysts for Anodic Reactions in Fuel Cells" in 26th Congress of the Society of Chemists and Technologists of Macedonia : the book of abstracts; September 20-23, Ohrid, Macedonia (2023):132-132,
https://hdl.handle.net/21.15107/rcub_vinar_11758 .

TY  - CONF
AU  - Ponjavić, Marijana
AU  - Stevanović, Sanja
AU  - Jeremić, Sanja
AU  - Nikodinović-Runić, Jasmina
AU  - Ćosović, Vladan
AU  - Maksimović, Vesna
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11666
AB  - Bacterial nanocellulose (BNC) has gain on its popularity in the last decades and it has attracted a contemporary research interest as a promising material suitable for different applications (in medicine as a material for biomedical implants or scaffolds, in pharmacy as controlled release drug carriers, in industry as barriers, membranes, and absorbers, and electronics. BNC is hydroxyl group rich biopolymer which further provides various possibilities for modifications and the production of composites. Poly(vinyl alcohol), PVA, polymer of excellent film forming capacity, high thermal stability, flexibility, good chemical resistance, and mechanical properties has been recognized as promising material for BNC/PVA composite preparation. PVA is chemically compatible with BNC, due to their polarity and large amount of hydroxyl groups forming strong inter-molecular hydrogen bonds. The main objective of this work was to prepare new platinum supported catalyst on BNC/PVA composite as nanoparticles carrier, designed for electrocatalytic applications. For that purpose, BNC/Pt suspension was mixed with 1 wt% PVA solution and BNC/PVA/Pt catalyst in the form of film was successfully synthesized. The structure and thermal properties of catalyst were characterized by ATR-FTIR and TG analysis, respectively, while its crystallinity was investigated by XRD analysis. Electrocatalytic potential of BNC/PVA/Pt catalyst was tested in methanol oxidation reaction. Remarkable catalytic activity of new Pt based catalyst was confirmed. The obtained results for catalyst activity was comparable to those obtained for preferentially used carbon based Pt supports pointing that BNC based composited can be considered as great substitution of carbon based materials with the green one.
PB  - University in Banjaluka : Faculty of Technology
C3  - 14th Conference of chemists, technologists and environmentalists of Republic of Srpska : the book of abstracts; Oct 21-22, Banja Luka, Republic of Srpska
T1  - Electrochemical potential of poly(viniyl acohol) modified bacterial nanocellulose as platinum nanoparticles support
SP  - 33
UR  - https://hdl.handle.net/21.15107/rcub_vinar_11666
ER  - 

@conference{
author = "Ponjavić, Marijana and Stevanović, Sanja and Jeremić, Sanja and Nikodinović-Runić, Jasmina and Ćosović, Vladan and Maksimović, Vesna",
year = "2022",
abstract = "Bacterial nanocellulose (BNC) has gain on its popularity in the last decades and it has attracted a contemporary research interest as a promising material suitable for different applications (in medicine as a material for biomedical implants or scaffolds, in pharmacy as controlled release drug carriers, in industry as barriers, membranes, and absorbers, and electronics. BNC is hydroxyl group rich biopolymer which further provides various possibilities for modifications and the production of composites. Poly(vinyl alcohol), PVA, polymer of excellent film forming capacity, high thermal stability, flexibility, good chemical resistance, and mechanical properties has been recognized as promising material for BNC/PVA composite preparation. PVA is chemically compatible with BNC, due to their polarity and large amount of hydroxyl groups forming strong inter-molecular hydrogen bonds. The main objective of this work was to prepare new platinum supported catalyst on BNC/PVA composite as nanoparticles carrier, designed for electrocatalytic applications. For that purpose, BNC/Pt suspension was mixed with 1 wt% PVA solution and BNC/PVA/Pt catalyst in the form of film was successfully synthesized. The structure and thermal properties of catalyst were characterized by ATR-FTIR and TG analysis, respectively, while its crystallinity was investigated by XRD analysis. Electrocatalytic potential of BNC/PVA/Pt catalyst was tested in methanol oxidation reaction. Remarkable catalytic activity of new Pt based catalyst was confirmed. The obtained results for catalyst activity was comparable to those obtained for preferentially used carbon based Pt supports pointing that BNC based composited can be considered as great substitution of carbon based materials with the green one.",
publisher = "University in Banjaluka : Faculty of Technology",
journal = "14th Conference of chemists, technologists and environmentalists of Republic of Srpska : the book of abstracts; Oct 21-22, Banja Luka, Republic of Srpska",
title = "Electrochemical potential of poly(viniyl acohol) modified bacterial nanocellulose as platinum nanoparticles support",
pages = "33",
url = "https://hdl.handle.net/21.15107/rcub_vinar_11666"
}

Ponjavić, M., Stevanović, S., Jeremić, S., Nikodinović-Runić, J., Ćosović, V.,& Maksimović, V.. (2022). Electrochemical potential of poly(viniyl acohol) modified bacterial nanocellulose as platinum nanoparticles support. in 14th Conference of chemists, technologists and environmentalists of Republic of Srpska : the book of abstracts; Oct 21-22, Banja Luka, Republic of Srpska
University in Banjaluka : Faculty of Technology., 33.
https://hdl.handle.net/21.15107/rcub_vinar_11666

Ponjavić M, Stevanović S, Jeremić S, Nikodinović-Runić J, Ćosović V, Maksimović V. Electrochemical potential of poly(viniyl acohol) modified bacterial nanocellulose as platinum nanoparticles support. in 14th Conference of chemists, technologists and environmentalists of Republic of Srpska : the book of abstracts; Oct 21-22, Banja Luka, Republic of Srpska. 2022;:33.
https://hdl.handle.net/21.15107/rcub_vinar_11666 .

Ponjavić, Marijana, Stevanović, Sanja, Jeremić, Sanja, Nikodinović-Runić, Jasmina, Ćosović, Vladan, Maksimović, Vesna, "Electrochemical potential of poly(viniyl acohol) modified bacterial nanocellulose as platinum nanoparticles support" in 14th Conference of chemists, technologists and environmentalists of Republic of Srpska : the book of abstracts; Oct 21-22, Banja Luka, Republic of Srpska (2022):33,
https://hdl.handle.net/21.15107/rcub_vinar_11666 .

TY  - JOUR
AU  - Ponjavić, Marijana
AU  - Stevanović, Sanja
AU  - Nikodinović-Runić, Jasmina
AU  - Jeremić, Sanja
AU  - Ćosović, Vladan
AU  - Maksimović, Vesna
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10509
AB  - Bacterial nanocellulose, BNC, has emerged as a new class of nanomaterials recognized as renewable, biodegradable, biocompatible and material for versatile applications. BNC also proved as a perfect support matrix for metallic nanoparticle synthesis and appeared as suitable alternative for widely used carbon based materials. Following the idea to replace commonly used carbon based materials for platinum supports with the green and sustainable one, BNC appeared as an excellent candidate. Herein, microwave assisted synthesis has been reported for the first time for platinum nanoparticles supported on BNC as green material. Bacterial nanocelullose-platinum catalyst, Pt/BNC, was investigated by Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), atomic force microscopy (AFM), X-ray diffractometry (XRD) and transmission-electron microscopy (TEM) analysis. The obtained results confirmed successful synthesis of new Pt-based catalyst. It was found that Pt/BNC catalyst has high electrocatalytic performance in methanol oxidation reaction. Green/sustainable catalytic system is highly desirable and provided by the elegant microwave assisted synthesis of Pt/BNC will pave the way for a larger scale application and expedite the market penetration of such fuel cells.
T2  - International Journal of Biological Macromolecules
T1  - Bacterial nanocellulose as green support of platinum nanoparticles for effective methanol oxidation
VL  - 223
SP  - 1474
EP  - 1484
DO  - 10.1016/j.ijbiomac.2022.10.278
ER  - 

@article{
author = "Ponjavić, Marijana and Stevanović, Sanja and Nikodinović-Runić, Jasmina and Jeremić, Sanja and Ćosović, Vladan and Maksimović, Vesna",
year = "2022",
abstract = "Bacterial nanocellulose, BNC, has emerged as a new class of nanomaterials recognized as renewable, biodegradable, biocompatible and material for versatile applications. BNC also proved as a perfect support matrix for metallic nanoparticle synthesis and appeared as suitable alternative for widely used carbon based materials. Following the idea to replace commonly used carbon based materials for platinum supports with the green and sustainable one, BNC appeared as an excellent candidate. Herein, microwave assisted synthesis has been reported for the first time for platinum nanoparticles supported on BNC as green material. Bacterial nanocelullose-platinum catalyst, Pt/BNC, was investigated by Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), atomic force microscopy (AFM), X-ray diffractometry (XRD) and transmission-electron microscopy (TEM) analysis. The obtained results confirmed successful synthesis of new Pt-based catalyst. It was found that Pt/BNC catalyst has high electrocatalytic performance in methanol oxidation reaction. Green/sustainable catalytic system is highly desirable and provided by the elegant microwave assisted synthesis of Pt/BNC will pave the way for a larger scale application and expedite the market penetration of such fuel cells.",
journal = "International Journal of Biological Macromolecules",
title = "Bacterial nanocellulose as green support of platinum nanoparticles for effective methanol oxidation",
volume = "223",
pages = "1474-1484",
doi = "10.1016/j.ijbiomac.2022.10.278"
}

Ponjavić, M., Stevanović, S., Nikodinović-Runić, J., Jeremić, S., Ćosović, V.,& Maksimović, V.. (2022). Bacterial nanocellulose as green support of platinum nanoparticles for effective methanol oxidation. in International Journal of Biological Macromolecules, 223, 1474-1484.
https://doi.org/10.1016/j.ijbiomac.2022.10.278

Ponjavić M, Stevanović S, Nikodinović-Runić J, Jeremić S, Ćosović V, Maksimović V. Bacterial nanocellulose as green support of platinum nanoparticles for effective methanol oxidation. in International Journal of Biological Macromolecules. 2022;223:1474-1484.
doi:10.1016/j.ijbiomac.2022.10.278 .

Ponjavić, Marijana, Stevanović, Sanja, Nikodinović-Runić, Jasmina, Jeremić, Sanja, Ćosović, Vladan, Maksimović, Vesna, "Bacterial nanocellulose as green support of platinum nanoparticles for effective methanol oxidation" in International Journal of Biological Macromolecules, 223 (2022):1474-1484,
https://doi.org/10.1016/j.ijbiomac.2022.10.278 . .

TY  - JOUR
AU  - Stajčić, Aleksandar
AU  - Radović, Ivana M.
AU  - Ćosović, Vladan
AU  - Grujić, Aleksandar S.
AU  - Stajić-Trošić, Jasna T.
AU  - Jančić-Heinemann, Radmila
PY  - 2019
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8597
AB  - This study presents preparation and characterization of ethyl cellulose based nanocomposites. Successful use of simple solvent casting technique provided nanocomposites with high loads of barium ferrite magnetic nanopowder in the polymer matrix, promising significant improvement of mechanical properties. Investigation of morphology revealed formation of agglomerates that are still on nanoscopic level. Nanocomposite thin films with a higher content of the magnetic powder showed substantial enhancement of break strength, elongation and microhardness compared to the pure ethyl cellulose, which was the primary aim of this research.
T2  - Science of Sintering
T1  - The influence of barium ferrite nanoparticles on morphological and mechanical properties of ethyl cellulose based nanocomposites
VL  - 51
IS  - 3
SP  - 277
EP  - 283
DO  - 10.2298/SOS1903277S
ER  - 

@article{
author = "Stajčić, Aleksandar and Radović, Ivana M. and Ćosović, Vladan and Grujić, Aleksandar S. and Stajić-Trošić, Jasna T. and Jančić-Heinemann, Radmila",
year = "2019",
abstract = "This study presents preparation and characterization of ethyl cellulose based nanocomposites. Successful use of simple solvent casting technique provided nanocomposites with high loads of barium ferrite magnetic nanopowder in the polymer matrix, promising significant improvement of mechanical properties. Investigation of morphology revealed formation of agglomerates that are still on nanoscopic level. Nanocomposite thin films with a higher content of the magnetic powder showed substantial enhancement of break strength, elongation and microhardness compared to the pure ethyl cellulose, which was the primary aim of this research.",
journal = "Science of Sintering",
title = "The influence of barium ferrite nanoparticles on morphological and mechanical properties of ethyl cellulose based nanocomposites",
volume = "51",
number = "3",
pages = "277-283",
doi = "10.2298/SOS1903277S"
}

Stajčić, A., Radović, I. M., Ćosović, V., Grujić, A. S., Stajić-Trošić, J. T.,& Jančić-Heinemann, R.. (2019). The influence of barium ferrite nanoparticles on morphological and mechanical properties of ethyl cellulose based nanocomposites. in Science of Sintering, 51(3), 277-283.
https://doi.org/10.2298/SOS1903277S

Stajčić A, Radović IM, Ćosović V, Grujić AS, Stajić-Trošić JT, Jančić-Heinemann R. The influence of barium ferrite nanoparticles on morphological and mechanical properties of ethyl cellulose based nanocomposites. in Science of Sintering. 2019;51(3):277-283.
doi:10.2298/SOS1903277S .

Stajčić, Aleksandar, Radović, Ivana M., Ćosović, Vladan, Grujić, Aleksandar S., Stajić-Trošić, Jasna T., Jančić-Heinemann, Radmila, "The influence of barium ferrite nanoparticles on morphological and mechanical properties of ethyl cellulose based nanocomposites" in Science of Sintering, 51, no. 3 (2019):277-283,
https://doi.org/10.2298/SOS1903277S . .

TY  - JOUR
AU  - Nikolić, Marija S.
AU  - Petrović, Rada
AU  - Veljović, Đorđe N.
AU  - Ćosović, Vladan
AU  - Stanković, Nadežda
AU  - Đonlagić, Jasna A.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1899
AB  - Poly(epsilon-caprolactone) (PCL) based nanocomposites with unmodified and organomodified sepiolites were prepared by solution casting method. The sepiolites were modified with short (3-mercaptopropyl)trimethoxysilane (SEP-SI) by using covalent grafting or with long hexadecylamine (SEP-HDA) by using ionic exchange. In order to reveal the influence of the organomodification on the nanoclay dispersion and the properties of the nano composites XRD, DSC, TG, SEM, TEM, optical microscopy, melt rheology and dynamic-mechanical analyses were performed. A better dispersion was achieved when organomodified sepiolites instead of native ones were used as fillers. As deduced from the melt rheology data, by analysis of the Cole-Cole plots, the best dispersion was obtained for SEP-SI nanoclay. The thermal stability was not improved, however in the initial stages of the thereto-oxidative degradation a delay in the weight loss was observed for nanocomposites with organomodified sepiolites. The mechanical properties of the nanocomposites were improved in comparison to PCL, particularly for those with modified sepiolites. In terms of mechanical properties the use of sepiolite modified with HDA gave the best results, as a consequence of better interaction between longer alkyl hydrophobic part of the organic modificator and the hydrophobic PCL matrix.
T2  - European Polymer Journal
T1  - Effect of sepiolite organomodification on the performance of PCL/sepiolite nanocomposites
VL  - 97
SP  - 198
EP  - 209
DO  - 10.1016/j.eurpolymj.2017.10.010
ER  - 

@article{
author = "Nikolić, Marija S. and Petrović, Rada and Veljović, Đorđe N. and Ćosović, Vladan and Stanković, Nadežda and Đonlagić, Jasna A.",
year = "2017",
abstract = "Poly(epsilon-caprolactone) (PCL) based nanocomposites with unmodified and organomodified sepiolites were prepared by solution casting method. The sepiolites were modified with short (3-mercaptopropyl)trimethoxysilane (SEP-SI) by using covalent grafting or with long hexadecylamine (SEP-HDA) by using ionic exchange. In order to reveal the influence of the organomodification on the nanoclay dispersion and the properties of the nano composites XRD, DSC, TG, SEM, TEM, optical microscopy, melt rheology and dynamic-mechanical analyses were performed. A better dispersion was achieved when organomodified sepiolites instead of native ones were used as fillers. As deduced from the melt rheology data, by analysis of the Cole-Cole plots, the best dispersion was obtained for SEP-SI nanoclay. The thermal stability was not improved, however in the initial stages of the thereto-oxidative degradation a delay in the weight loss was observed for nanocomposites with organomodified sepiolites. The mechanical properties of the nanocomposites were improved in comparison to PCL, particularly for those with modified sepiolites. In terms of mechanical properties the use of sepiolite modified with HDA gave the best results, as a consequence of better interaction between longer alkyl hydrophobic part of the organic modificator and the hydrophobic PCL matrix.",
journal = "European Polymer Journal",
title = "Effect of sepiolite organomodification on the performance of PCL/sepiolite nanocomposites",
volume = "97",
pages = "198-209",
doi = "10.1016/j.eurpolymj.2017.10.010"
}

Nikolić, M. S., Petrović, R., Veljović, Đ. N., Ćosović, V., Stanković, N.,& Đonlagić, J. A.. (2017). Effect of sepiolite organomodification on the performance of PCL/sepiolite nanocomposites. in European Polymer Journal, 97, 198-209.
https://doi.org/10.1016/j.eurpolymj.2017.10.010

Nikolić MS, Petrović R, Veljović ĐN, Ćosović V, Stanković N, Đonlagić JA. Effect of sepiolite organomodification on the performance of PCL/sepiolite nanocomposites. in European Polymer Journal. 2017;97:198-209.
doi:10.1016/j.eurpolymj.2017.10.010 .

Nikolić, Marija S., Petrović, Rada, Veljović, Đorđe N., Ćosović, Vladan, Stanković, Nadežda, Đonlagić, Jasna A., "Effect of sepiolite organomodification on the performance of PCL/sepiolite nanocomposites" in European Polymer Journal, 97 (2017):198-209,
https://doi.org/10.1016/j.eurpolymj.2017.10.010 . .