Functionalization of the titanate nanotubes with a silane coupling agent
2013
Autori
Ponton, PatriciaMančić, Lidija
Savić, Slavica
Marinković, Bojan A.
Ostala autorstva
Bošković, Snežana B.Srdić, Vladimir
Branković, Zorica
Konferencijski prilog
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
In order to develop new nanosized filler compatible with the thermoplastic polymer Nyion-11, trititanate nanotubes (TTNTs) were synthesized by standard alkaline hydrothermal treatment of a TiO2 anatase powder in 10 M NaOH at 120 DC for 24 h. After the synthesis, the as-obtained nanopowder was washed differently (either with water or HC1), in order to prepare TTNTs with high and low sodium contents. Chemical functionalization of TTNTs was performed with 3-minopropyltriethoxisilane (APTES) coupling agent using two different reaction media (water and an ethanol/water mixture) with the aim to improve the bonding between inorganic hydrophilic fillers and hydrophobic polymer matrix. Fourier transform infrared spectroscopy (FTIR), thermogravimetry analysis (TGA), transmission electron microscopy (TEM), zeta potential and CHN elemental analyses were used to elucidate the grafting mechanism of APTES at TTNTs surface. The obtained results shown that: APTES coupling agent is bounded covalently to... the TTNTs surface (Ti-O-Si bond was identified after deconvolution of the IR bands at 800-1000 cm-1); grafted amount of APTES is almost independent of the reaction media; protonation of-NH2 groups shift the isoelectric point from pH 2.4 to pH 6.6; TTNTs kept their original size and shape after silanization.
Ključne reči:
titanate nanotubes / silane / hydrothermal synthesisIzvor:
2CSCS-2013 : 2nd Conference of the Serbian Ceramic Materials : program and the book of abstracts; June 5-7, Belgrade, 2013, 65-66Izdavač:
- Belgrade : Institute for Multidisciplinary Research
Kolekcije
Institucija/grupa
VinčaTY - CONF AU - Ponton, Patricia AU - Mančić, Lidija AU - Savić, Slavica AU - Marinković, Bojan A. PY - 2013 UR - https://vinar.vin.bg.ac.rs/handle/123456789/7424 AB - In order to develop new nanosized filler compatible with the thermoplastic polymer Nyion-11, trititanate nanotubes (TTNTs) were synthesized by standard alkaline hydrothermal treatment of a TiO2 anatase powder in 10 M NaOH at 120 DC for 24 h. After the synthesis, the as-obtained nanopowder was washed differently (either with water or HC1), in order to prepare TTNTs with high and low sodium contents. Chemical functionalization of TTNTs was performed with 3-minopropyltriethoxisilane (APTES) coupling agent using two different reaction media (water and an ethanol/water mixture) with the aim to improve the bonding between inorganic hydrophilic fillers and hydrophobic polymer matrix. Fourier transform infrared spectroscopy (FTIR), thermogravimetry analysis (TGA), transmission electron microscopy (TEM), zeta potential and CHN elemental analyses were used to elucidate the grafting mechanism of APTES at TTNTs surface. The obtained results shown that: APTES coupling agent is bounded covalently to the TTNTs surface (Ti-O-Si bond was identified after deconvolution of the IR bands at 800-1000 cm-1); grafted amount of APTES is almost independent of the reaction media; protonation of-NH2 groups shift the isoelectric point from pH 2.4 to pH 6.6; TTNTs kept their original size and shape after silanization. PB - Belgrade : Institute for Multidisciplinary Research C3 - 2CSCS-2013 : 2nd Conference of the Serbian Ceramic Materials : program and the book of abstracts; June 5-7, Belgrade T1 - Functionalization of the titanate nanotubes with a silane coupling agent SP - 65 EP - 66 UR - https://hdl.handle.net/21.15107/rcub_vinar_7424 ER -
@conference{ author = "Ponton, Patricia and Mančić, Lidija and Savić, Slavica and Marinković, Bojan A.", year = "2013", abstract = "In order to develop new nanosized filler compatible with the thermoplastic polymer Nyion-11, trititanate nanotubes (TTNTs) were synthesized by standard alkaline hydrothermal treatment of a TiO2 anatase powder in 10 M NaOH at 120 DC for 24 h. After the synthesis, the as-obtained nanopowder was washed differently (either with water or HC1), in order to prepare TTNTs with high and low sodium contents. Chemical functionalization of TTNTs was performed with 3-minopropyltriethoxisilane (APTES) coupling agent using two different reaction media (water and an ethanol/water mixture) with the aim to improve the bonding between inorganic hydrophilic fillers and hydrophobic polymer matrix. Fourier transform infrared spectroscopy (FTIR), thermogravimetry analysis (TGA), transmission electron microscopy (TEM), zeta potential and CHN elemental analyses were used to elucidate the grafting mechanism of APTES at TTNTs surface. The obtained results shown that: APTES coupling agent is bounded covalently to the TTNTs surface (Ti-O-Si bond was identified after deconvolution of the IR bands at 800-1000 cm-1); grafted amount of APTES is almost independent of the reaction media; protonation of-NH2 groups shift the isoelectric point from pH 2.4 to pH 6.6; TTNTs kept their original size and shape after silanization.", publisher = "Belgrade : Institute for Multidisciplinary Research", journal = "2CSCS-2013 : 2nd Conference of the Serbian Ceramic Materials : program and the book of abstracts; June 5-7, Belgrade", title = "Functionalization of the titanate nanotubes with a silane coupling agent", pages = "65-66", url = "https://hdl.handle.net/21.15107/rcub_vinar_7424" }
Ponton, P., Mančić, L., Savić, S.,& Marinković, B. A.. (2013). Functionalization of the titanate nanotubes with a silane coupling agent. in 2CSCS-2013 : 2nd Conference of the Serbian Ceramic Materials : program and the book of abstracts; June 5-7, Belgrade Belgrade : Institute for Multidisciplinary Research., 65-66. https://hdl.handle.net/21.15107/rcub_vinar_7424
Ponton P, Mančić L, Savić S, Marinković BA. Functionalization of the titanate nanotubes with a silane coupling agent. in 2CSCS-2013 : 2nd Conference of the Serbian Ceramic Materials : program and the book of abstracts; June 5-7, Belgrade. 2013;:65-66. https://hdl.handle.net/21.15107/rcub_vinar_7424 .
Ponton, Patricia, Mančić, Lidija, Savić, Slavica, Marinković, Bojan A., "Functionalization of the titanate nanotubes with a silane coupling agent" in 2CSCS-2013 : 2nd Conference of the Serbian Ceramic Materials : program and the book of abstracts; June 5-7, Belgrade (2013):65-66, https://hdl.handle.net/21.15107/rcub_vinar_7424 .