Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/258697
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Modeling ultrasound-induced molecular weight decrease of polymers with multiple scissile azo-mechanophores |
Autor: | Ayer, Mathieu A.; Verde-Sesto, Ester CSIC ORCID; Liu, Cheyenne H.; Weder, Christoph; Lattuada, Marco; Simon, Yoan C. | Fecha de publicación: | 2021 | Editor: | Royal Society of Chemistry (UK) | Citación: | Polymer Chemistry 12(28): 4093-4103 (2021) | Resumen: | The azo moiety is receiving increasing attention as a stimuli-responsive trigger. Herein, we present an investigation of the mechanoresponsive behavior of a series of polyurethanes containing multiple randomly distributed azo motifs as scissile mechanophores, i.e., an entity that is preferentially cleaved upon application of a mechanical force. We made a systematic comparison of the ultrasound-induced cleavage of azo-containing polymers of different molecular weights and with varying azo content. We developed a mathematical model to describe the scission kinetics and the analysis of the rate constants showed that site-specific cleavage at the azo position was favored over random bond scission events. The proposed mathematical model appears to be a broadly useful method to characterize the ultrasound-induced molecular weight decrease of polymers containing multiple scissile mechanophores. | Versión del editor: | https://doi.org/10.1039/D1PY00420D | URI: | http://hdl.handle.net/10261/258697 | DOI: | 10.1039/D1PY00420D | E-ISSN: | 1759-9962 |
Aparece en las colecciones: | (CFM) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
accesoRestringido.pdf | 59,24 kB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
WEB OF SCIENCETM
Citations
7
checked on 29-feb-2024
Page view(s)
27
checked on 22-may-2024
Download(s)
3
checked on 22-may-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.