Influence of different functionalization methods of multi-walled carbon nanotubes on the properties of poly(L-lactide) based nanocomposites
Authors
Vukić, NevenaRistić, Ivan
Marinović-Cincović, Milena
Radičević, Radmila
Pilić, Branka
Cakić, Suzana
Budinski-Simendić, Jaroslava K.
Article (Published version)
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This paper presents influence of the type of carbon nanotube functionalization on properties of poly(L-lactide) (PLLA) based nanocomposite materials. For this purpose surface modifications of multi-walled carbon nanotubes (MWCNTs) were performed by chemical and irradiation techniques, while thermo gravimetric analysis, UV-Visible and Fourier-transform infrared (FT-IR) spectroscopies confirmed successful covalent functionalization. Series of PLLA bionanocom-posites with different contents of functionalized MWCNTs (0.7; 1.6; 2.1 wt%), were synthesized via ring-opening solution polymerisation of L-lactide. FT-IR analysis confirmed that grafting of L-lactide, under controlled condition, is possible to perform starting from the surface of functionalized MWCNTs. From differential scanning calorimetry results it was concluded that even low contents of chemically and irradiation functionalized MWCNTs had a significant effect on thermal properties of the prepared nanocomposites, raising the val...ues of melting and glass transition temperatures. Thermogravimetric analysis (TGA) has shown that the degradation onset temperature for composites with chemically functionalized MWCNTs, was much higher than that for the neat poly(L-lactide) sample and composites with irradiation functionalized MWCNTs. Morphology studies by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) indicated that poly(L-lactide) covered surfaces and separated functionalized MWCNTs. Good dispersion of carbon nanotubes in polymer matrix enabled conductivity of synthesized materials, as determined by conductivity tests.
Keywords:
nanocomposites / carbon nanotube functionalization / poly(L-lactide) / thermal propertiesSource:
Hemijska industrija, 2019, 73, 3, 183-196Funding / projects:
- Materials of Reduced Dimensions for Efficient Light Harvesting and Energy conversion (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45020)
- Multiscale structuring of polymer nanocomposites and functional materials based on different precursors (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45022)
DOI: 10.2298/HEMIND190402016V
ISSN: 0367-598X
WoS: 000475425200005
Scopus: 2-s2.0-85073289982
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VinčaTY - JOUR AU - Vukić, Nevena AU - Ristić, Ivan AU - Marinović-Cincović, Milena AU - Radičević, Radmila AU - Pilić, Branka AU - Cakić, Suzana AU - Budinski-Simendić, Jaroslava K. PY - 2019 UR - https://vinar.vin.bg.ac.rs/handle/123456789/10335 AB - This paper presents influence of the type of carbon nanotube functionalization on properties of poly(L-lactide) (PLLA) based nanocomposite materials. For this purpose surface modifications of multi-walled carbon nanotubes (MWCNTs) were performed by chemical and irradiation techniques, while thermo gravimetric analysis, UV-Visible and Fourier-transform infrared (FT-IR) spectroscopies confirmed successful covalent functionalization. Series of PLLA bionanocom-posites with different contents of functionalized MWCNTs (0.7; 1.6; 2.1 wt%), were synthesized via ring-opening solution polymerisation of L-lactide. FT-IR analysis confirmed that grafting of L-lactide, under controlled condition, is possible to perform starting from the surface of functionalized MWCNTs. From differential scanning calorimetry results it was concluded that even low contents of chemically and irradiation functionalized MWCNTs had a significant effect on thermal properties of the prepared nanocomposites, raising the values of melting and glass transition temperatures. Thermogravimetric analysis (TGA) has shown that the degradation onset temperature for composites with chemically functionalized MWCNTs, was much higher than that for the neat poly(L-lactide) sample and composites with irradiation functionalized MWCNTs. Morphology studies by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) indicated that poly(L-lactide) covered surfaces and separated functionalized MWCNTs. Good dispersion of carbon nanotubes in polymer matrix enabled conductivity of synthesized materials, as determined by conductivity tests. T2 - Hemijska industrija T1 - Influence of different functionalization methods of multi-walled carbon nanotubes on the properties of poly(L-lactide) based nanocomposites VL - 73 IS - 3 SP - 183 EP - 196 DO - 10.2298/HEMIND190402016V ER -
@article{ author = "Vukić, Nevena and Ristić, Ivan and Marinović-Cincović, Milena and Radičević, Radmila and Pilić, Branka and Cakić, Suzana and Budinski-Simendić, Jaroslava K.", year = "2019", abstract = "This paper presents influence of the type of carbon nanotube functionalization on properties of poly(L-lactide) (PLLA) based nanocomposite materials. For this purpose surface modifications of multi-walled carbon nanotubes (MWCNTs) were performed by chemical and irradiation techniques, while thermo gravimetric analysis, UV-Visible and Fourier-transform infrared (FT-IR) spectroscopies confirmed successful covalent functionalization. Series of PLLA bionanocom-posites with different contents of functionalized MWCNTs (0.7; 1.6; 2.1 wt%), were synthesized via ring-opening solution polymerisation of L-lactide. FT-IR analysis confirmed that grafting of L-lactide, under controlled condition, is possible to perform starting from the surface of functionalized MWCNTs. From differential scanning calorimetry results it was concluded that even low contents of chemically and irradiation functionalized MWCNTs had a significant effect on thermal properties of the prepared nanocomposites, raising the values of melting and glass transition temperatures. Thermogravimetric analysis (TGA) has shown that the degradation onset temperature for composites with chemically functionalized MWCNTs, was much higher than that for the neat poly(L-lactide) sample and composites with irradiation functionalized MWCNTs. Morphology studies by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) indicated that poly(L-lactide) covered surfaces and separated functionalized MWCNTs. Good dispersion of carbon nanotubes in polymer matrix enabled conductivity of synthesized materials, as determined by conductivity tests.", journal = "Hemijska industrija", title = "Influence of different functionalization methods of multi-walled carbon nanotubes on the properties of poly(L-lactide) based nanocomposites", volume = "73", number = "3", pages = "183-196", doi = "10.2298/HEMIND190402016V" }
Vukić, N., Ristić, I., Marinović-Cincović, M., Radičević, R., Pilić, B., Cakić, S.,& Budinski-Simendić, J. K.. (2019). Influence of different functionalization methods of multi-walled carbon nanotubes on the properties of poly(L-lactide) based nanocomposites. in Hemijska industrija, 73(3), 183-196. https://doi.org/10.2298/HEMIND190402016V
Vukić N, Ristić I, Marinović-Cincović M, Radičević R, Pilić B, Cakić S, Budinski-Simendić JK. Influence of different functionalization methods of multi-walled carbon nanotubes on the properties of poly(L-lactide) based nanocomposites. in Hemijska industrija. 2019;73(3):183-196. doi:10.2298/HEMIND190402016V .
Vukić, Nevena, Ristić, Ivan, Marinović-Cincović, Milena, Radičević, Radmila, Pilić, Branka, Cakić, Suzana, Budinski-Simendić, Jaroslava K., "Influence of different functionalization methods of multi-walled carbon nanotubes on the properties of poly(L-lactide) based nanocomposites" in Hemijska industrija, 73, no. 3 (2019):183-196, https://doi.org/10.2298/HEMIND190402016V . .