Functionalization of Polyolefins via Catalytic Nitrene Addition
The post-polymerization functionalization of polyolefins has emerged as a key tool for obtaining new materials with enhanced properties. With an array of approaches being already reported, the incorporation of N-containing fragments en route to the generation of amino groups in yet scarce and not di...
| Autores: | , , , , , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2025 |
| País: | España |
| Institución: | Universidad de Huelva (UHU) |
| Repositorio: | Arias Montano. Repositorio Institucional de la Universidad de Huelva |
| Idioma: | inglés |
| OAI Identifier: | oai:ariasmontano.uhu.es:10272/27601 |
| Acceso en línea: | https://hdl.handle.net/10272/27601 |
| Access Level: | acceso abierto |
| Palabra clave: | Nitrene transfer • Polybutadiene amination • Polyolefin aziridination • Post-polymerization functionalization • Silver catalysis Polymers Polyolefins Post-polymerization 23 Química |
| Sumario: | The post-polymerization functionalization of polyolefins has emerged as a key tool for obtaining new materials with enhanced properties. With an array of approaches being already reported, the incorporation of N-containing fragments en route to the generation of amino groups in yet scarce and not disclosed for the metal-catalyzed nitrene transfer strategy. Here we introduce such tactics employing silver-based catalysts for the incorporation of nitrene NTs (Ts = p-toluenesulfonyl) groups to commercially available polybutadienes. The process occurs at room temperature without appreciable chain scission or cross-linking processes and enables precise control of the degree of functionalization. Thermal analyses demonstrate a correlation between such degree and the Tg values of the functionalized polymers. |
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