Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene
This article studies the effects of arsine on the synthesis and thermal degradation of 4 samples of virgin polypropylene (PP-virgin) and proposes reaction mechanisms that allow understanding of its behaviour. Different points are monitored during the polypropylene synthesis to perform TGA, DSC, FT-I...
- Autores:
-
Hernández Fernández, Joaquín
- Tipo de recurso:
- Fecha de publicación:
- 2022
- Institución:
- Universidad del Atlántico
- Repositorio:
- Repositorio Uniatlantico
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.uniatlantico.edu.co:20.500.12834/772
- Acceso en línea:
- https://hdl.handle.net/20.500.12834/772
- Palabra clave:
- arsine
ligands
polypropylene
catalyst
degradation
- Rights
- openAccess
- License
- http://creativecommons.org/licenses/by-nc/4.0/
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Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene |
| title |
Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene |
| spellingShingle |
Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene arsine ligands polypropylene catalyst degradation |
| title_short |
Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene |
| title_full |
Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene |
| title_fullStr |
Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene |
| title_full_unstemmed |
Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene |
| title_sort |
Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene |
| dc.creator.fl_str_mv |
Hernández Fernández, Joaquín |
| dc.contributor.author.none.fl_str_mv |
Hernández Fernández, Joaquín |
| dc.contributor.other.none.fl_str_mv |
Guerra, Yoleima Puello Polo, Esneyder Marquez, Edgar |
| dc.subject.keywords.spa.fl_str_mv |
arsine ligands polypropylene catalyst degradation |
| topic |
arsine ligands polypropylene catalyst degradation |
| description |
This article studies the effects of arsine on the synthesis and thermal degradation of 4 samples of virgin polypropylene (PP-virgin) and proposes reaction mechanisms that allow understanding of its behaviour. Different points are monitored during the polypropylene synthesis to perform TGA, DSC, FT-IR, RDX, and MFI analyses later. The content of AsH3 in polypropylene varies between 0.05 and 4.73 ppm, and of arsenic in virgin PP residues between 0.001 and 4.32 ppm for PP0 and PP10, increasing in fluidity index from 3.0 to 24.51. The origin of thermo-oxidative degradation is explained by the reaction mechanisms of the Molecule AsH3 with the active titanium center of the ZN catalyst and the subsequent oxidation to form radical complexes. OO-AsH-TiCl4-MgCl2 and (OO-as-OO)2 -TiCl4-MgCl2, which, by radical reactions, give rise to the formation of functional groups aldehyde, ketone, alcohol, carboxylic acid, CO, CO2, PP-Polyol, PP-Polyether, and PP-Isopropylethers. These species caused the TG and DTG curves to increase degradation peaks in pp samples. |
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2022 |
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2022-11-15T19:12:22Z |
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2022-11-15T19:12:22Z |
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2022-07-31 |
| dc.date.submitted.none.fl_str_mv |
2022-06-20 |
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http://purl.org/coar/version/c_970fb48d4fbd8a85 |
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Artículo |
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Hernández-Fernández, J.; Guerra, Y.; Puello-Polo, E.; Marquez, E. Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene. Polymers 2022, 14, 3123. https:// doi.org/10.3390/polym14153123 |
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https://hdl.handle.net/20.500.12834/772 |
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10.3390/polym14153123 |
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Universidad del Atlántico |
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Repositorio Universidad del Atlántico |
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Hernández-Fernández, J.; Guerra, Y.; Puello-Polo, E.; Marquez, E. Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene. Polymers 2022, 14, 3123. https:// doi.org/10.3390/polym14153123 10.3390/polym14153123 Universidad del Atlántico Repositorio Universidad del Atlántico |
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https://hdl.handle.net/20.500.12834/772 |
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eng |
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eng |
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Química |
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Sede Norte |
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Polymers |
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Hernández Fernández, Joaquín0e5612fc-442e-4fe9-a79e-d9772e613cdcGuerra, YoleimaPuello Polo, EsneyderMarquez, EdgarColombia2022-11-15T19:12:22Z2022-11-15T19:12:22Z2022-07-312022-06-20Hernández-Fernández, J.; Guerra, Y.; Puello-Polo, E.; Marquez, E. Effects of Different Concentrations of Arsine on the Synthesis and Final Properties of Polypropylene. Polymers 2022, 14, 3123. https:// doi.org/10.3390/polym14153123https://hdl.handle.net/20.500.12834/77210.3390/polym14153123Universidad del AtlánticoRepositorio Universidad del AtlánticoThis article studies the effects of arsine on the synthesis and thermal degradation of 4 samples of virgin polypropylene (PP-virgin) and proposes reaction mechanisms that allow understanding of its behaviour. Different points are monitored during the polypropylene synthesis to perform TGA, DSC, FT-IR, RDX, and MFI analyses later. The content of AsH3 in polypropylene varies between 0.05 and 4.73 ppm, and of arsenic in virgin PP residues between 0.001 and 4.32 ppm for PP0 and PP10, increasing in fluidity index from 3.0 to 24.51. The origin of thermo-oxidative degradation is explained by the reaction mechanisms of the Molecule AsH3 with the active titanium center of the ZN catalyst and the subsequent oxidation to form radical complexes. OO-AsH-TiCl4-MgCl2 and (OO-as-OO)2 -TiCl4-MgCl2, which, by radical reactions, give rise to the formation of functional groups aldehyde, ketone, alcohol, carboxylic acid, CO, CO2, PP-Polyol, PP-Polyether, and PP-Isopropylethers. These species caused the TG and DTG curves to increase degradation peaks in pp samples.application/pdfenghttp://creativecommons.org/licenses/by-nc/4.0/Attribution-NonCommercial 4.0 Internationalinfo:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2PolymersEffects of Different Concentrations of Arsine on the Synthesis and Final Properties of PolypropylenePúblico generalarsineligandspolypropylenecatalystdegradationinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArtículohttp://purl.org/coar/version/c_970fb48d4fbd8a85http://purl.org/coar/resource_type/c_2df8fbb1BarranquillaQuímicaSede NorteQuinteros, J.G. Sintesis y Aplicaciones de Ligandos Arsinas. Estudios de Sistemas Catalíticos de Pd y Au; Universidad Nacional de Córdoba: Córdoba, Spain, 2016.Gras, R.; Luong, J.; Hawryluk, M.; Monagle, M. Analysis of part-per-billion level of arsine and phosphine in light hydrocarbons by capillary flow technology and dielectric barrier discharge detector. J. 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