Characterization of the chemical structure of vinyl ester resin in a climate chamber under different conditions of degradation

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Título: Characterization of the chemical structure of vinyl ester resin in a climate chamber under different conditions of degradation
Autor/es: Alia, Cristina | Jofre-Reche, José Antonio | Suárez, Juan C. | Arenas, José M. | Martín-Martínez, José Miguel
Grupo/s de investigación o GITE: Adhesión y Adhesivos
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Química Inorgánica
Palabras clave: Vinyl ester resin | Thermal degradation | Adhesion | Mechanical characterization | Electron microscopy
Área/s de conocimiento: Química Inorgánica
Fecha de publicación: jul-2018
Editor: Elsevier
Cita bibliográfica: Polymer Degradation and Stability. 2018, 153: 88-99. doi:10.1016/j.polymdegradstab.2018.04.014
Resumen: Due to the good strength and similar toughness of epoxy resins, vinyl ester resins are widely used as thermoset adhesives in structural adhesive joints and as composites for different industrial applications. However, vinyl ester adhesives are difficult to cure completely under environmental conditions, even after long periods of time because of gel formation slows the necessary diffusion of the catalyst across the polymer network. Several studies have used weathering chambers to investigate the degradation mechanisms of vinyl ester adhesives. However, a review of the scientific literature revealed both a wide variety of aging processes and several ambiguities between the recorded experimental results. In this work, post-cured vinyl ester resins at different aging cycles were aged under high temperature and relative humidity, and the changes in their structure, mechanical and adhesion properties were studied. Chemical and structural changes were observed in the vinyl ester resins after aging in a climatic chamber.
URI: http://hdl.handle.net/10045/75007
ISSN: 0141-3910 (Print) | 1873-2321 (Online)
DOI: 10.1016/j.polymdegradstab.2018.04.014
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2018 Elsevier Ltd.
Revisión científica: si
Versión del editor: https://doi.org/10.1016/j.polymdegradstab.2018.04.014
Aparece en las colecciones:INV - LAA - Artículos de Revistas

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