Autor según el artículo: Roig, Adria; Hidalgo, Pere; Ramis, Xavier; De la Flor, Silvia; Serra, Angels;
Departamento: Enginyeria Mecànica Química Analítica i Química Orgànica
Autor/es de la URV: De la Flor Lopez, Silvia / Serra Albet, Maria Angels
Palabras clave: Vitrimers Vanillin Transesterification Self-welding Reprocessability Recyclability Imine metathesis Covalent adaptable networks Catalyst vitrimers transesterification self-welding recyclability imine metathesis covalent adaptable networks catalyst
Resumen: A series of bio-based polyimine vitrimers was obtained and characterized. A diimine-diglycidyl monomer (DIDG) was synthesized by condensing vanillin with 4,4 '-oxydianiline (ODA) and further glycidylation with epichlorohydrin. This compound was cross-linked with three different Jeffamines (Jeff230, JeffD400, and JeffT403) with a different number of poly(propylene glycol) units in their structure and different functionalities. Trimethylolpropane triglycidyl ether (TMPTE) was added to the formulation to improve the thermal, mechanical, and thermomechanical properties. All of the materials prepared showed Tg's above 66 degrees C, good vitrimeric behavior being the maximum relaxation rate reached by the material prepared from JeffD400, which also allows the most extensive degradation when treated with an acidic aqueous solution. These polyimine vitrimers can entirely relax the stress in less than 10.5 min at 150 degrees C without any added catalyst. All of the materials prepared could be satisfactorily recycled up to 200 degrees C also presenting an excellent self-welding ability.
Áreas temáticas: Process chemistry and technology Polymers and plastics Polymer science Organic chemistry Materials science, multidisciplinary
Acceso a la licencia de uso: https://creativecommons.org/licenses/by/3.0/es/
Direcció de correo del autor: angels.serra@urv.cat silvia.delaflor@urv.cat
Identificador del autor: 0000-0003-1387-0358 0000-0002-6851-1371
Fecha de alta del registro: 2024-09-07
Versión del articulo depositado: info:eu-repo/semantics/publishedVersion
URL Documento de licencia: https://repositori.urv.cat/ca/proteccio-de-dades/
Referencia al articulo segun fuente origial: Acs Applied Polymer Materials. 4 (12): 9341-9350
Referencia de l'ítem segons les normes APA: Roig, Adria; Hidalgo, Pere; Ramis, Xavier; De la Flor, Silvia; Serra, Angels; (2022). Vitrimeric Epoxy-Amine Polyimine Networks Based on a Renewable Vanillin Derivative. Acs Applied Polymer Materials, 4(12), 9341-9350. DOI: 10.1021/acsapm.2c01604
Entidad: Universitat Rovira i Virgili
Año de publicación de la revista: 2022
Tipo de publicación: Journal Publications
Repositori URV