Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning Candidates
Tailor-made, linear, and “comb-like” poly(ε-caprolactone)-based copolymers were synthesized by employing a combination of controlled polymerization techniques. Poly(dimethylsiloxane-block-ε-caprolactone) copolymers (SCL#) were synthesized by a combination of anionic and ring-opening polymerization (...
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | International Journal of Polymer Science |
| Online Access: | http://dx.doi.org/10.1155/2018/8252481 |
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| author | Franco L. Redondo Mario D. Ninago Augusto G. O. de Freitas Cristiano Giacomelli Andrés E. Ciolino Marcelo A. Villar |
| author_facet | Franco L. Redondo Mario D. Ninago Augusto G. O. de Freitas Cristiano Giacomelli Andrés E. Ciolino Marcelo A. Villar |
| author_sort | Franco L. Redondo |
| collection | DOAJ |
| description | Tailor-made, linear, and “comb-like” poly(ε-caprolactone)-based copolymers were synthesized by employing a combination of controlled polymerization techniques. Poly(dimethylsiloxane-block-ε-caprolactone) copolymers (SCL#) were synthesized by a combination of anionic and ring-opening polymerization (ROP), whereas “comb-like” poly(hydroxyethylmethacrylate-co-(hydroxyethylmethacrylate-graft-ε-caprolactone)-block-ε-caprolactone) (HEMACL#) were synthesized through simultaneous ROP and reversible addition fragmentation chain transfer (RAFT) polymerization. Copolymers were characterized by hydrogen nuclear magnetic resonance (1H-NMR), size exclusion chromatography (SEC), and Fourier transform infrared (FTIR) spectroscopy. All polymers exhibited narrow molar masses distributions (Mw/Mn<1.54), and their thermal properties were analyzed by isothermal crystallization kinetics (Avrami’s theory, by using differential scanning calorimetry (DSC)) and by employing modulated thermogravimetric analysis (MTGA). The macromolecular structure exerts a noticeable effect on the PCL block behavior when compared to the PCL homopolymer, at least for the temperature range studied (16–24°C): less differences in thermal properties were observed for linear block copolymers, whereas for “comb-like” graft copolymers their final crystallization capacity strongly depends on the presence of branches. For both sets of copolymers, the decrease in the resulting melting temperatures and the increase in the half-life crystallization time values might be useful processing parameters, particularly if these copolymers are planned for using as an alternative source of 3D printing or electrospinning materials. |
| format | Article |
| id | doaj-art-a11c0c5b3713446d90908404c83b55d9 |
| institution | Kabale University |
| issn | 1687-9422 1687-9430 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Polymer Science |
| spelling | doaj-art-a11c0c5b3713446d90908404c83b55d92025-02-03T01:02:38ZengWileyInternational Journal of Polymer Science1687-94221687-94302018-01-01201810.1155/2018/82524818252481Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning CandidatesFranco L. Redondo0Mario D. Ninago1Augusto G. O. de Freitas2Cristiano Giacomelli3Andrés E. Ciolino4Marcelo A. Villar5Planta Piloto de Ingeniería Química, PLAPIQUI (UNS-CONICET), CP: 8000, Camino “La Carrindanga” Km 7, Bahía Blanca, Buenos Aires, ArgentinaDepartamento de Ingeniería Química, Facultad de Ciencias Aplicadas a la Industria (FCAI), Universidad Nacional de Cuyo (UNCuyo), CP: 5600, Bernardo de Irigoyen 375, San Rafael, Mendoza, ArgentinaUniversidade Federal do Pampa, Unipampa (97650-000), Itaqui, RS, BrazilDepartamento de Química, Universidade Federal de Santa María, 97105-900 Santa María, RS, BrazilPlanta Piloto de Ingeniería Química, PLAPIQUI (UNS-CONICET), CP: 8000, Camino “La Carrindanga” Km 7, Bahía Blanca, Buenos Aires, ArgentinaPlanta Piloto de Ingeniería Química, PLAPIQUI (UNS-CONICET), CP: 8000, Camino “La Carrindanga” Km 7, Bahía Blanca, Buenos Aires, ArgentinaTailor-made, linear, and “comb-like” poly(ε-caprolactone)-based copolymers were synthesized by employing a combination of controlled polymerization techniques. Poly(dimethylsiloxane-block-ε-caprolactone) copolymers (SCL#) were synthesized by a combination of anionic and ring-opening polymerization (ROP), whereas “comb-like” poly(hydroxyethylmethacrylate-co-(hydroxyethylmethacrylate-graft-ε-caprolactone)-block-ε-caprolactone) (HEMACL#) were synthesized through simultaneous ROP and reversible addition fragmentation chain transfer (RAFT) polymerization. Copolymers were characterized by hydrogen nuclear magnetic resonance (1H-NMR), size exclusion chromatography (SEC), and Fourier transform infrared (FTIR) spectroscopy. All polymers exhibited narrow molar masses distributions (Mw/Mn<1.54), and their thermal properties were analyzed by isothermal crystallization kinetics (Avrami’s theory, by using differential scanning calorimetry (DSC)) and by employing modulated thermogravimetric analysis (MTGA). The macromolecular structure exerts a noticeable effect on the PCL block behavior when compared to the PCL homopolymer, at least for the temperature range studied (16–24°C): less differences in thermal properties were observed for linear block copolymers, whereas for “comb-like” graft copolymers their final crystallization capacity strongly depends on the presence of branches. For both sets of copolymers, the decrease in the resulting melting temperatures and the increase in the half-life crystallization time values might be useful processing parameters, particularly if these copolymers are planned for using as an alternative source of 3D printing or electrospinning materials.http://dx.doi.org/10.1155/2018/8252481 |
| spellingShingle | Franco L. Redondo Mario D. Ninago Augusto G. O. de Freitas Cristiano Giacomelli Andrés E. Ciolino Marcelo A. Villar Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning Candidates International Journal of Polymer Science |
| title | Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning Candidates |
| title_full | Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning Candidates |
| title_fullStr | Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning Candidates |
| title_full_unstemmed | Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning Candidates |
| title_short | Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning Candidates |
| title_sort | tailor made linear and comb like polyester based copolymers synthesis characterization and thermal behavior of potential 3d printing electrospinning candidates |
| url | http://dx.doi.org/10.1155/2018/8252481 |
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