TY  - CONF
AU  - Rašljić Rafajilović, Milena
AU  - Vasiljević-Radović, Dana
AU  - Špirkova, Milena
AU  - Gojgić-Cvijović, Gordana
AU  - Pergal, Marija
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5751
AB  - Polyurethanes (PUs) are widely used polymers, with specific production able to be aimed at their
notable industrial and biomedical applications by carefully changing their ingredients, their ratios
and their preparation procedures. The popularity of PU nanocomposites is caused mainly by the
simplicity of tuning their functional properties. The choice of nanofillers, for example, clay,
graphene oxide, carbon nanotubes, silicon dioxide, nanosilver or nanoferrite is miscellaneous. In
this work, PU/clay nanocomposites were prepared by in situ polymerization in the presence of
organically modified clay (Cloisite 30B) with clay loading of 0.5 wt.%. We used hyperbranched
polyester and 4,4'-methylenediphenyldiisocyanate as hard segment components, while
poly(dimethylsiloxane) macrodiol as soft segment. The influence of the soft segment content on the properties of nanocomposites was investigated by swelling behavior, crosslinking density, degree of phase separation, water absorption and contact angle measurements as well as surface free energy determination. FTIR results showed the higher degree of phase separation in nanocomposites as soft segment content decreased. Moreover, the results showed that equilibrium swelling degree of PU nanocomposites decreases, while crosslinking density increases with decreasing soft segment content. Hydrophobicity of the PU nanocomposites increases with increasing soft segment content, due to the hydrophobic character of PDMS. Namely, the surface free energy of nanocomposites films decreases in the range of 39.8 to 28.0 mJ/m2 with increasing soft segment content, confirming good surface hydrophobicity. Therefore, PU nanocomposites could be considered as promising materials suitable for coating applications.
PB  - Banja Luka : University in Banjaluka, Faculty of Technology
C3  - Book of Abstracts - XIV Conference of Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka
T1  - Surface Characteristics of polyurethane/organoclay nanocomposites
SP  - 195
EP  - 195
UR  - https://hdl.handle.net/21.15107/rcub_cer_5751
ER  - 

@conference{
author = "Rašljić Rafajilović, Milena and Vasiljević-Radović, Dana and Špirkova, Milena and Gojgić-Cvijović, Gordana and Pergal, Marija",
year = "2022",
abstract = "Polyurethanes (PUs) are widely used polymers, with specific production able to be aimed at their
notable industrial and biomedical applications by carefully changing their ingredients, their ratios
and their preparation procedures. The popularity of PU nanocomposites is caused mainly by the
simplicity of tuning their functional properties. The choice of nanofillers, for example, clay,
graphene oxide, carbon nanotubes, silicon dioxide, nanosilver or nanoferrite is miscellaneous. In
this work, PU/clay nanocomposites were prepared by in situ polymerization in the presence of
organically modified clay (Cloisite 30B) with clay loading of 0.5 wt.%. We used hyperbranched
polyester and 4,4'-methylenediphenyldiisocyanate as hard segment components, while
poly(dimethylsiloxane) macrodiol as soft segment. The influence of the soft segment content on the properties of nanocomposites was investigated by swelling behavior, crosslinking density, degree of phase separation, water absorption and contact angle measurements as well as surface free energy determination. FTIR results showed the higher degree of phase separation in nanocomposites as soft segment content decreased. Moreover, the results showed that equilibrium swelling degree of PU nanocomposites decreases, while crosslinking density increases with decreasing soft segment content. Hydrophobicity of the PU nanocomposites increases with increasing soft segment content, due to the hydrophobic character of PDMS. Namely, the surface free energy of nanocomposites films decreases in the range of 39.8 to 28.0 mJ/m2 with increasing soft segment content, confirming good surface hydrophobicity. Therefore, PU nanocomposites could be considered as promising materials suitable for coating applications.",
publisher = "Banja Luka : University in Banjaluka, Faculty of Technology",
journal = "Book of Abstracts - XIV Conference of Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka",
title = "Surface Characteristics of polyurethane/organoclay nanocomposites",
pages = "195-195",
url = "https://hdl.handle.net/21.15107/rcub_cer_5751"
}

Rašljić Rafajilović, M., Vasiljević-Radović, D., Špirkova, M., Gojgić-Cvijović, G.,& Pergal, M.. (2022). Surface Characteristics of polyurethane/organoclay nanocomposites. in Book of Abstracts - XIV Conference of Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka
Banja Luka : University in Banjaluka, Faculty of Technology., 195-195.
https://hdl.handle.net/21.15107/rcub_cer_5751

Rašljić Rafajilović M, Vasiljević-Radović D, Špirkova M, Gojgić-Cvijović G, Pergal M. Surface Characteristics of polyurethane/organoclay nanocomposites. in Book of Abstracts - XIV Conference of Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka. 2022;:195-195.
https://hdl.handle.net/21.15107/rcub_cer_5751 .

Rašljić Rafajilović, Milena, Vasiljević-Radović, Dana, Špirkova, Milena, Gojgić-Cvijović, Gordana, Pergal, Marija, "Surface Characteristics of polyurethane/organoclay nanocomposites" in Book of Abstracts - XIV Conference of Chemists, Technologists and Environmentalists of Republic of Srpska, October 21-22, 2022, Banja Luka (2022):195-195,
https://hdl.handle.net/21.15107/rcub_cer_5751 .

TY  - CONF
AU  - Pergal, Marija
AU  - Kodranov, Igor
AU  - Vasiljević-Radović, Dana
AU  - Steinhart, Milos
AU  - Gojgić-Cvijović, Gordana
AU  - Manojlović, Dragan
AU  - Špirkova, Milena
PY  - 2022
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5801
AB  - in this study, in situ polymerization procedure in solvent mixture was used for the preparation of thermosetting PU nanocomposites (PUNCs) with different content of soft segment (from 30 to 60 wt%), and with the addition of organomodified montmorillonite clay (Cloisite 30B®) as the nanofiller, in an amount of 0.5 wt.%. The PUNCs were based on poly(dimethylsiloxane) macrodiol (PDMS) that represents soft segment and 4,4′-diphenylmethane diisocyanate (MDI) and hyperbranched polyester (BH-30) which were selected as the hard segment. The PUNCs are marked.
so that the last two numbers in title indicate wt.% of soft segment in materials. Namely, the main 
objective of this study is to analyze the effect of the soft segment content on the morphology of the 
prepared PU nanocomposite films using atomic force microscopy (AFM), scanning electron 
microscopy (SEM), and small- and near wide-angle X-Ray scattering (SWAXS) analyses. SEM 
images of the fractured surfaces were obtained on JEOL JSM-6610LV. AFM analysis was carried 
out by atomic force microscope (Dimension Icon, Bruker, USA). SWAXS measurements of the 
PUNCs were performed using SAXS instrument (originally Molecular Metrology, USA, recently 
considerably upgraded by SAXSLAB, now Xenocs).
PB  - Belgrade : Serbian Academy of Sciences and Arts
PB  - Belgrade : Faculty of Technology and Metallurgy, University of Belgrade
C3  - Program and Book of Abstracts - Second International Conference on Electron Microscopy of Nanostructures, ELMINA 2022, August 22nd-26th, 2022, Belgrade, Serbia
T1  - The effect of poly(dimethylsiloxane) segment content on the morphology of polyurethane composite materials
SP  - 140
EP  - 141
UR  - https://hdl.handle.net/21.15107/rcub_cer_5801
ER  - 

@conference{
author = "Pergal, Marija and Kodranov, Igor and Vasiljević-Radović, Dana and Steinhart, Milos and Gojgić-Cvijović, Gordana and Manojlović, Dragan and Špirkova, Milena",
year = "2022",
abstract = "in this study, in situ polymerization procedure in solvent mixture was used for the preparation of thermosetting PU nanocomposites (PUNCs) with different content of soft segment (from 30 to 60 wt%), and with the addition of organomodified montmorillonite clay (Cloisite 30B®) as the nanofiller, in an amount of 0.5 wt.%. The PUNCs were based on poly(dimethylsiloxane) macrodiol (PDMS) that represents soft segment and 4,4′-diphenylmethane diisocyanate (MDI) and hyperbranched polyester (BH-30) which were selected as the hard segment. The PUNCs are marked.
so that the last two numbers in title indicate wt.% of soft segment in materials. Namely, the main 
objective of this study is to analyze the effect of the soft segment content on the morphology of the 
prepared PU nanocomposite films using atomic force microscopy (AFM), scanning electron 
microscopy (SEM), and small- and near wide-angle X-Ray scattering (SWAXS) analyses. SEM 
images of the fractured surfaces were obtained on JEOL JSM-6610LV. AFM analysis was carried 
out by atomic force microscope (Dimension Icon, Bruker, USA). SWAXS measurements of the 
PUNCs were performed using SAXS instrument (originally Molecular Metrology, USA, recently 
considerably upgraded by SAXSLAB, now Xenocs).",
publisher = "Belgrade : Serbian Academy of Sciences and Arts, Belgrade : Faculty of Technology and Metallurgy, University of Belgrade",
journal = "Program and Book of Abstracts - Second International Conference on Electron Microscopy of Nanostructures, ELMINA 2022, August 22nd-26th, 2022, Belgrade, Serbia",
title = "The effect of poly(dimethylsiloxane) segment content on the morphology of polyurethane composite materials",
pages = "140-141",
url = "https://hdl.handle.net/21.15107/rcub_cer_5801"
}

Pergal, M., Kodranov, I., Vasiljević-Radović, D., Steinhart, M., Gojgić-Cvijović, G., Manojlović, D.,& Špirkova, M.. (2022). The effect of poly(dimethylsiloxane) segment content on the morphology of polyurethane composite materials. in Program and Book of Abstracts - Second International Conference on Electron Microscopy of Nanostructures, ELMINA 2022, August 22nd-26th, 2022, Belgrade, Serbia
Belgrade : Serbian Academy of Sciences and Arts., 140-141.
https://hdl.handle.net/21.15107/rcub_cer_5801

Pergal M, Kodranov I, Vasiljević-Radović D, Steinhart M, Gojgić-Cvijović G, Manojlović D, Špirkova M. The effect of poly(dimethylsiloxane) segment content on the morphology of polyurethane composite materials. in Program and Book of Abstracts - Second International Conference on Electron Microscopy of Nanostructures, ELMINA 2022, August 22nd-26th, 2022, Belgrade, Serbia. 2022;:140-141.
https://hdl.handle.net/21.15107/rcub_cer_5801 .

Pergal, Marija, Kodranov, Igor, Vasiljević-Radović, Dana, Steinhart, Milos, Gojgić-Cvijović, Gordana, Manojlović, Dragan, Špirkova, Milena, "The effect of poly(dimethylsiloxane) segment content on the morphology of polyurethane composite materials" in Program and Book of Abstracts - Second International Conference on Electron Microscopy of Nanostructures, ELMINA 2022, August 22nd-26th, 2022, Belgrade, Serbia (2022):140-141,
https://hdl.handle.net/21.15107/rcub_cer_5801 .

TY  - CONF
AU  - Pergal, Marija
AU  - Kodranov, Igor
AU  - Špirkova, Milena
AU  - Manojlović, Dragan
AU  - Ostojić, Sanja
AU  - Knežević, Nikola Ž.
PY  - 2019
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5769
AB  - Polyurethane (PU) networks based on poly(dimethylsiloxane) (PDMS) and hyperbranched polyester (HBP) possess unique properties such as chemical stability, good thermal behavior, good surface and mechanical properties, making these materials good candidates for coating applications. The silica addition in polymer typically leads to a significant improvement of mechanical and thermal properties due to good filler dispersion, good compatibility with the matrix, and the presence of a strong interaction between reinforcements and the polymer matrix.
PB  - Serbian Ceramic Society
C3  - Program and the book of abstracts - The Eight Serbian Ceramic Society Conference »Advanced Ceramics and Application«, New Frontiers in Multifunctional Material Science and Processing
T1  - Thermal and Thermomechanical Properties of Organic-Inorganic Nanocomposites Prepared from Polyurethane Network and Mesoporous Silica Nanoparticles
SP  - 66
EP  - 66
UR  - https://hdl.handle.net/21.15107/rcub_cer_5769
ER  - 

@conference{
author = "Pergal, Marija and Kodranov, Igor and Špirkova, Milena and Manojlović, Dragan and Ostojić, Sanja and Knežević, Nikola Ž.",
year = "2019",
abstract = "Polyurethane (PU) networks based on poly(dimethylsiloxane) (PDMS) and hyperbranched polyester (HBP) possess unique properties such as chemical stability, good thermal behavior, good surface and mechanical properties, making these materials good candidates for coating applications. The silica addition in polymer typically leads to a significant improvement of mechanical and thermal properties due to good filler dispersion, good compatibility with the matrix, and the presence of a strong interaction between reinforcements and the polymer matrix.",
publisher = "Serbian Ceramic Society",
journal = "Program and the book of abstracts - The Eight Serbian Ceramic Society Conference »Advanced Ceramics and Application«, New Frontiers in Multifunctional Material Science and Processing",
title = "Thermal and Thermomechanical Properties of Organic-Inorganic Nanocomposites Prepared from Polyurethane Network and Mesoporous Silica Nanoparticles",
pages = "66-66",
url = "https://hdl.handle.net/21.15107/rcub_cer_5769"
}

Pergal, M., Kodranov, I., Špirkova, M., Manojlović, D., Ostojić, S.,& Knežević, N. Ž.. (2019). Thermal and Thermomechanical Properties of Organic-Inorganic Nanocomposites Prepared from Polyurethane Network and Mesoporous Silica Nanoparticles. in Program and the book of abstracts - The Eight Serbian Ceramic Society Conference »Advanced Ceramics and Application«, New Frontiers in Multifunctional Material Science and Processing
Serbian Ceramic Society., 66-66.
https://hdl.handle.net/21.15107/rcub_cer_5769

Pergal M, Kodranov I, Špirkova M, Manojlović D, Ostojić S, Knežević NŽ. Thermal and Thermomechanical Properties of Organic-Inorganic Nanocomposites Prepared from Polyurethane Network and Mesoporous Silica Nanoparticles. in Program and the book of abstracts - The Eight Serbian Ceramic Society Conference »Advanced Ceramics and Application«, New Frontiers in Multifunctional Material Science and Processing. 2019;:66-66.
https://hdl.handle.net/21.15107/rcub_cer_5769 .

Pergal, Marija, Kodranov, Igor, Špirkova, Milena, Manojlović, Dragan, Ostojić, Sanja, Knežević, Nikola Ž., "Thermal and Thermomechanical Properties of Organic-Inorganic Nanocomposites Prepared from Polyurethane Network and Mesoporous Silica Nanoparticles" in Program and the book of abstracts - The Eight Serbian Ceramic Society Conference »Advanced Ceramics and Application«, New Frontiers in Multifunctional Material Science and Processing (2019):66-66,
https://hdl.handle.net/21.15107/rcub_cer_5769 .

TY  - CONF
AU  - Stefanović, Ivan
AU  - Špirkova, Milena
AU  - Pergal, Marija
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6203
AB  - In this paper the series of poly(urethane-siloxane) copolymers and their clay
nanocomposites were synthesized based on 4,4'-diphenylmethane diisocyanate and 1,4-
butanediol as the part of the hard segments (HS) and α,ω-dihydroxy-poly(propylene
oxide)-b-poly(dimethylsiloxane)-b-poly(propylene oxide) as the part of the soft
segments (SS). Organomodified montmorillonite clay (Cloisite 30B®) was used as nanofiller
in the amount of 1 wt.% within prepared nanocomposites. Mechanical properties
and morphology of these polymers were investigated by dynamic mechanical thermal
analysis (DMTA) and wide angle X-ray diffraction (XRD) measurements.
Viscoelastic properties of the copolymers and their nanocomposites mostly depended on
the content of the HS. The storage shear (G´) and loss modulus (G") were slightly
enhanced within prepared nanocomposites, compared to the neat copolymers, due to the
addition of the clay nanoreinforcements. Moreover, prepared both series of samples had
phase separated morphology due to the existence of the multiple local segmental motions
(Tg of the HS and SS). XRD analysis revealed that clay layers were separated into an
individual layer without any regular stacking which indicates that exfoliated morphology
of the clay nano-fillers was obtained inside prepared nanocomposites [1,2].
PB  - Belgrade : Serbian Chemical Society
PB  - Belgrade : Serbian Young Chemists’ Club
C3  - Book of abstracts - 6th Conference of the Young Chemists of Serbia, 27. oktobar 2018, Belgrade
T1  - Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites
SP  - 24
EP  - 24
UR  - https://hdl.handle.net/21.15107/rcub_cer_6203
ER  - 

@conference{
author = "Stefanović, Ivan and Špirkova, Milena and Pergal, Marija",
year = "2018",
abstract = "In this paper the series of poly(urethane-siloxane) copolymers and their clay
nanocomposites were synthesized based on 4,4'-diphenylmethane diisocyanate and 1,4-
butanediol as the part of the hard segments (HS) and α,ω-dihydroxy-poly(propylene
oxide)-b-poly(dimethylsiloxane)-b-poly(propylene oxide) as the part of the soft
segments (SS). Organomodified montmorillonite clay (Cloisite 30B®) was used as nanofiller
in the amount of 1 wt.% within prepared nanocomposites. Mechanical properties
and morphology of these polymers were investigated by dynamic mechanical thermal
analysis (DMTA) and wide angle X-ray diffraction (XRD) measurements.
Viscoelastic properties of the copolymers and their nanocomposites mostly depended on
the content of the HS. The storage shear (G´) and loss modulus (G") were slightly
enhanced within prepared nanocomposites, compared to the neat copolymers, due to the
addition of the clay nanoreinforcements. Moreover, prepared both series of samples had
phase separated morphology due to the existence of the multiple local segmental motions
(Tg of the HS and SS). XRD analysis revealed that clay layers were separated into an
individual layer without any regular stacking which indicates that exfoliated morphology
of the clay nano-fillers was obtained inside prepared nanocomposites [1,2].",
publisher = "Belgrade : Serbian Chemical Society, Belgrade : Serbian Young Chemists’ Club",
journal = "Book of abstracts - 6th Conference of the Young Chemists of Serbia, 27. oktobar 2018, Belgrade",
title = "Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites",
pages = "24-24",
url = "https://hdl.handle.net/21.15107/rcub_cer_6203"
}

Stefanović, I., Špirkova, M.,& Pergal, M.. (2018). Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites. in Book of abstracts - 6th Conference of the Young Chemists of Serbia, 27. oktobar 2018, Belgrade
Belgrade : Serbian Chemical Society., 24-24.
https://hdl.handle.net/21.15107/rcub_cer_6203

Stefanović I, Špirkova M, Pergal M. Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites. in Book of abstracts - 6th Conference of the Young Chemists of Serbia, 27. oktobar 2018, Belgrade. 2018;:24-24.
https://hdl.handle.net/21.15107/rcub_cer_6203 .

Stefanović, Ivan, Špirkova, Milena, Pergal, Marija, "Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites" in Book of abstracts - 6th Conference of the Young Chemists of Serbia, 27. oktobar 2018, Belgrade (2018):24-24,
https://hdl.handle.net/21.15107/rcub_cer_6203 .

TY  - CONF
AU  - Stefanović, Ivan
AU  - Špirkova, Milena
AU  - Pergal, Marija
PY  - 2018
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/5754
AB  - In this paper the series of poly(urethane-siloxane) copolymers and their clay nanocomposites were synthesized based on 4,4'-diphenylmethane diisocyanate and 1,4-butanediol as the part of the hard segments (HS) and α,ω-dihydroxy-poly(propyleneoxide)-b-poly(dimethylsiloxane)-b-poly(propylene oxide) as the part of the soft segments (SS). Organomodified montmorillonite clay (Cloisite 30B®) was used as nanofiller in the amount of 1 wt.% within prepared nanocomposites. Mechanical properties and morphology of these polymers were investigated by dynamic mechanical thermal analysis (DMTA) and wide angle X-ray diffraction (XRD) measurements.
PB  - Serbian Chemical Society
C3  - Book of Abstracts - 6th Conference of Young Chemists of Serbia, 27. oktobar 2018, Beograd
T1  - Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites
SP  - 24
EP  - 24
UR  - https://hdl.handle.net/21.15107/rcub_cer_5754
ER  - 

@conference{
author = "Stefanović, Ivan and Špirkova, Milena and Pergal, Marija",
year = "2018",
abstract = "In this paper the series of poly(urethane-siloxane) copolymers and their clay nanocomposites were synthesized based on 4,4'-diphenylmethane diisocyanate and 1,4-butanediol as the part of the hard segments (HS) and α,ω-dihydroxy-poly(propyleneoxide)-b-poly(dimethylsiloxane)-b-poly(propylene oxide) as the part of the soft segments (SS). Organomodified montmorillonite clay (Cloisite 30B®) was used as nanofiller in the amount of 1 wt.% within prepared nanocomposites. Mechanical properties and morphology of these polymers were investigated by dynamic mechanical thermal analysis (DMTA) and wide angle X-ray diffraction (XRD) measurements.",
publisher = "Serbian Chemical Society",
journal = "Book of Abstracts - 6th Conference of Young Chemists of Serbia, 27. oktobar 2018, Beograd",
title = "Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites",
pages = "24-24",
url = "https://hdl.handle.net/21.15107/rcub_cer_5754"
}

Stefanović, I., Špirkova, M.,& Pergal, M.. (2018). Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites. in Book of Abstracts - 6th Conference of Young Chemists of Serbia, 27. oktobar 2018, Beograd
Serbian Chemical Society., 24-24.
https://hdl.handle.net/21.15107/rcub_cer_5754

Stefanović I, Špirkova M, Pergal M. Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites. in Book of Abstracts - 6th Conference of Young Chemists of Serbia, 27. oktobar 2018, Beograd. 2018;:24-24.
https://hdl.handle.net/21.15107/rcub_cer_5754 .

Stefanović, Ivan, Špirkova, Milena, Pergal, Marija, "Mechanical properties and morphology of the poly(urethane-siloxane) copolymers and their clay nanocomposites" in Book of Abstracts - 6th Conference of Young Chemists of Serbia, 27. oktobar 2018, Beograd (2018):24-24,
https://hdl.handle.net/21.15107/rcub_cer_5754 .

TY  - CONF
AU  - Stefanović, Ivan
AU  - Špirkova, Milena
AU  - Poreba, Rafal
AU  - Steinhart, Miloš
AU  - Ostojić, Sanja
AU  - Tešević, Vele
AU  - Pergal, Marija
PY  - 2014
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6489
AB  - In this paper was investigated the influence of the content of soft poly(propylene oxide)-b-poly(dimethylsiloxane)-b-polY(propylene oxide) (PPO-PDMS) segments on the thermal and morphological properties of new thermoplastic polyurethane with TGA, DSC and AFM analyses as well as deconvolution of FTIR spectra. The thermal stability of the copolymers increased, while the degree of crystallinity decreased with increasing content of PPO-PDMS segments. AFM and FTIR analysis confirmed that with decreasing of the content of PPO-PDMS segments the degree of microphase separation in copolymers increased.
AB  - U ovom radu ispitan je uticaj sadržaja mekih poli(propilenoksida)-b-poli(dimetilsiloksana)-b-poli(propilenoksida) (PPO-PDMS) segmenta na termička i morfološka svojstva novih termoplastičnih poliuretana pomoću TGA, DSC i AFM analiza kao i dekonvolucijom FTIR spektara. Termička stabilnost kopolimera se povećavala, dok se stepen kristaliničnosti smanjivao sa povećanjem sadržaja PPO-PDMS segmenata. AFM i FTIR analize su potvrdile da se sa smanjivanjem sadržaja PPO-PDMS segmenata povećavao stepen mikrofaznog razdvajanja kopolimera.
PB  - Belgrade : Serbian Chemical Society
C3  - Program i kratki izvodi radova - 51. Savetovanje Srpskog hemijskog društva i 2. Konferencija mladih hemičara Srbije, 05-07. juna 2014, Niš / Program and Book of abstracts - 51st Meeting of the Serbian Chemical Society and 2nd Conference of Young Chemists of Serbia, 05-07. June 2014, Niš
T1  - Thermal and morphological properties of thermoplastic polyurethane-based on poly(propylene oxide)-b-poly(dimethylsiloxane)-b-poly(propylene oxide)
T1  - Termička i morfološka svojstva termoplastičnih poliuretana na bazi poli(propilenoksida)-b-poli(dimetilsiloksana)-b-poli(propilenoksida)
SP  - 80
EP  - 80
UR  - https://hdl.handle.net/21.15107/rcub_cer_6489
ER  - 

@conference{
author = "Stefanović, Ivan and Špirkova, Milena and Poreba, Rafal and Steinhart, Miloš and Ostojić, Sanja and Tešević, Vele and Pergal, Marija",
year = "2014",
abstract = "In this paper was investigated the influence of the content of soft poly(propylene oxide)-b-poly(dimethylsiloxane)-b-polY(propylene oxide) (PPO-PDMS) segments on the thermal and morphological properties of new thermoplastic polyurethane with TGA, DSC and AFM analyses as well as deconvolution of FTIR spectra. The thermal stability of the copolymers increased, while the degree of crystallinity decreased with increasing content of PPO-PDMS segments. AFM and FTIR analysis confirmed that with decreasing of the content of PPO-PDMS segments the degree of microphase separation in copolymers increased., U ovom radu ispitan je uticaj sadržaja mekih poli(propilenoksida)-b-poli(dimetilsiloksana)-b-poli(propilenoksida) (PPO-PDMS) segmenta na termička i morfološka svojstva novih termoplastičnih poliuretana pomoću TGA, DSC i AFM analiza kao i dekonvolucijom FTIR spektara. Termička stabilnost kopolimera se povećavala, dok se stepen kristaliničnosti smanjivao sa povećanjem sadržaja PPO-PDMS segmenata. AFM i FTIR analize su potvrdile da se sa smanjivanjem sadržaja PPO-PDMS segmenata povećavao stepen mikrofaznog razdvajanja kopolimera.",
publisher = "Belgrade : Serbian Chemical Society",
journal = "Program i kratki izvodi radova - 51. Savetovanje Srpskog hemijskog društva i 2. Konferencija mladih hemičara Srbije, 05-07. juna 2014, Niš / Program and Book of abstracts - 51st Meeting of the Serbian Chemical Society and 2nd Conference of Young Chemists of Serbia, 05-07. June 2014, Niš",
title = "Thermal and morphological properties of thermoplastic polyurethane-based on poly(propylene oxide)-b-poly(dimethylsiloxane)-b-poly(propylene oxide), Termička i morfološka svojstva termoplastičnih poliuretana na bazi poli(propilenoksida)-b-poli(dimetilsiloksana)-b-poli(propilenoksida)",
pages = "80-80",
url = "https://hdl.handle.net/21.15107/rcub_cer_6489"
}

Stefanović, I., Špirkova, M., Poreba, R., Steinhart, M., Ostojić, S., Tešević, V.,& Pergal, M.. (2014). Thermal and morphological properties of thermoplastic polyurethane-based on poly(propylene oxide)-b-poly(dimethylsiloxane)-b-poly(propylene oxide). in Program i kratki izvodi radova - 51. Savetovanje Srpskog hemijskog društva i 2. Konferencija mladih hemičara Srbije, 05-07. juna 2014, Niš / Program and Book of abstracts - 51st Meeting of the Serbian Chemical Society and 2nd Conference of Young Chemists of Serbia, 05-07. June 2014, Niš
Belgrade : Serbian Chemical Society., 80-80.
https://hdl.handle.net/21.15107/rcub_cer_6489

Stefanović I, Špirkova M, Poreba R, Steinhart M, Ostojić S, Tešević V, Pergal M. Thermal and morphological properties of thermoplastic polyurethane-based on poly(propylene oxide)-b-poly(dimethylsiloxane)-b-poly(propylene oxide). in Program i kratki izvodi radova - 51. Savetovanje Srpskog hemijskog društva i 2. Konferencija mladih hemičara Srbije, 05-07. juna 2014, Niš / Program and Book of abstracts - 51st Meeting of the Serbian Chemical Society and 2nd Conference of Young Chemists of Serbia, 05-07. June 2014, Niš. 2014;:80-80.
https://hdl.handle.net/21.15107/rcub_cer_6489 .

Stefanović, Ivan, Špirkova, Milena, Poreba, Rafal, Steinhart, Miloš, Ostojić, Sanja, Tešević, Vele, Pergal, Marija, "Thermal and morphological properties of thermoplastic polyurethane-based on poly(propylene oxide)-b-poly(dimethylsiloxane)-b-poly(propylene oxide)" in Program i kratki izvodi radova - 51. Savetovanje Srpskog hemijskog društva i 2. Konferencija mladih hemičara Srbije, 05-07. juna 2014, Niš / Program and Book of abstracts - 51st Meeting of the Serbian Chemical Society and 2nd Conference of Young Chemists of Serbia, 05-07. June 2014, Niš (2014):80-80,
https://hdl.handle.net/21.15107/rcub_cer_6489 .

TY  - CONF
AU  - Stefanović, Ivan
AU  - Špirkova, Milena
AU  - Poreba, Rafal
AU  - Steinhart, Miloš
AU  - Micić, Darko
AU  - Tešević, Vele
AU  - Pergal, Marija
PY  - 2014
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6553
AB  - A series of novel thermoplastic polyurethanes (TPUs) nanocomposites
based on α,ω–dihydroxy ethoxy propyl poly(dimethylsiloxane) (EOPDMS),
1,4-butanediol (BD) and 4,4'-diphenylmethane diisocyanate (MDI)
was synthesized by in situ two-step polyaddition reaction in solution using
modified clay (Cloisite 30B). The clay percentage in the nanocomposites
was 1, 3, 5, 8 and 10 wt% in relation to the polymers. The aim of this study
was to improve some properties of TPUs by the addition of clay
nanoparticles. The prepared nanocomposites were characterized using FTIR,
AFM and DSC analyses. The influence of nanoparticles dispersion on the
morphology and thermal properties of TPUs was investigated.
PB  - Belgrade : Society of Physical Chemists of Serbia
C3  - Proceedings - 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry „Physical Chemistry 2014“, September 22-26 2014, Belgrade
T1  - Novel siloxane based polyurethane nanocomposites
VL  - II
SP  - 807
EP  - 810
UR  - https://hdl.handle.net/21.15107/rcub_cer_6553
ER  - 

@conference{
author = "Stefanović, Ivan and Špirkova, Milena and Poreba, Rafal and Steinhart, Miloš and Micić, Darko and Tešević, Vele and Pergal, Marija",
year = "2014",
abstract = "A series of novel thermoplastic polyurethanes (TPUs) nanocomposites
based on α,ω–dihydroxy ethoxy propyl poly(dimethylsiloxane) (EOPDMS),
1,4-butanediol (BD) and 4,4'-diphenylmethane diisocyanate (MDI)
was synthesized by in situ two-step polyaddition reaction in solution using
modified clay (Cloisite 30B). The clay percentage in the nanocomposites
was 1, 3, 5, 8 and 10 wt% in relation to the polymers. The aim of this study
was to improve some properties of TPUs by the addition of clay
nanoparticles. The prepared nanocomposites were characterized using FTIR,
AFM and DSC analyses. The influence of nanoparticles dispersion on the
morphology and thermal properties of TPUs was investigated.",
publisher = "Belgrade : Society of Physical Chemists of Serbia",
journal = "Proceedings - 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry „Physical Chemistry 2014“, September 22-26 2014, Belgrade",
title = "Novel siloxane based polyurethane nanocomposites",
volume = "II",
pages = "807-810",
url = "https://hdl.handle.net/21.15107/rcub_cer_6553"
}

Stefanović, I., Špirkova, M., Poreba, R., Steinhart, M., Micić, D., Tešević, V.,& Pergal, M.. (2014). Novel siloxane based polyurethane nanocomposites. in Proceedings - 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry „Physical Chemistry 2014“, September 22-26 2014, Belgrade
Belgrade : Society of Physical Chemists of Serbia., II, 807-810.
https://hdl.handle.net/21.15107/rcub_cer_6553

Stefanović I, Špirkova M, Poreba R, Steinhart M, Micić D, Tešević V, Pergal M. Novel siloxane based polyurethane nanocomposites. in Proceedings - 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry „Physical Chemistry 2014“, September 22-26 2014, Belgrade. 2014;II:807-810.
https://hdl.handle.net/21.15107/rcub_cer_6553 .

Stefanović, Ivan, Špirkova, Milena, Poreba, Rafal, Steinhart, Miloš, Micić, Darko, Tešević, Vele, Pergal, Marija, "Novel siloxane based polyurethane nanocomposites" in Proceedings - 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry „Physical Chemistry 2014“, September 22-26 2014, Belgrade, II (2014):807-810,
https://hdl.handle.net/21.15107/rcub_cer_6553 .