Autor segons l'article: Migliore, Nicola; Guzik, Aleksander; Stuart, Marc C. A.; Pala, Marc; Moreno, Adrian; Lligadas, Gerard; Raffa, Patrizio;
Departament: Química Analítica i Química Orgànica
Autor/s de la URV: Lligadas Puig, Gerard / Moreno Guerra, Adrian / PALÀ SÁNCHEZ, MARC
Paraules clau: Thermoresponsive Self-assembly Rheology Raft polymerization Polymers Polymeric surfactants Polarity Pet-raft Green solvent Bioderived Amphiphilic random copolymers Amphiphilic polymers
Resum: We report the synthesis and solution properties of novel biobased thermoresponsive amphiphilic copolymers prepared using N,N-dimethyl lactamide acrylate (DMLA) and ethyl lactate acrylate (ELA) as hydrophilic and hydrophobic monomers, respectively. Copolymers with similar overall molecular weight but different monomer distribution profiles, such as random, diblock, triblock, and random-blocks, were prepared using photoinduced electron/energy transfer-reversible addition-fragmentation chain transfer (PET-RAFT) polymerization activated by a Zn-based photoredox catalyst. The synthesized polymers show interesting self-assembly and thermores-ponsive behavior in water, depending on the monomers distribution along the chain. Different critical solution temperatures, in the range of 13-70 degrees C, were observed by tuning the monomers molar ratio and distribution. The formation of aggregates of various types was proven by transmission electron microscopy (TEM). The prepared polymers also display different surface activity with the fully random copolymer being significantly more surface active than block systems. A study of emulsion stabilization was performed with oils of various polarity, showing promising results for applications of these novel polymers as biobased surfactants and water/oil (w/o) emulsion stabilizers.
Àrees temàtiques: Renewable energy, sustainability and the environment Química Materiais Interdisciplinar Green & sustainable science & technology General chemistry General chemical engineering Farmacia Environmental chemistry Engineering, chemical Engenharias ii Engenharias i Ciências ambientais Ciências agrárias i Ciência de alimentos Chemistry, multidisciplinary Chemistry (miscellaneous) Chemistry (all) Chemical engineering (miscellaneous) Chemical engineering (all) Biotecnología Astronomia / física
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
Adreça de correu electrònic de l'autor: marc.pala@urv.cat adrian.moreno@urv.cat marc.pala@urv.cat gerard.lligadas@urv.cat
Identificador de l'autor: 0000-0002-8519-1840
Data d'alta del registre: 2024-09-07
Versió de l'article dipositat: info:eu-repo/semantics/publishedVersion
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
Referència a l'article segons font original: Acs Sustainable Chemistry & Engineering. 10 (45): 14806-14816
Referència de l'ítem segons les normes APA: Migliore, Nicola; Guzik, Aleksander; Stuart, Marc C. A.; Pala, Marc; Moreno, Adrian; Lligadas, Gerard; Raffa, Patrizio; (2022). Lactic Acid-Derived Copolymeric Surfactants with Monomer Distribution Profile-Dependent Solution and Thermoresponsive Properties. Acs Sustainable Chemistry & Engineering, 10(45), 14806-14816. DOI: 10.1021/acssuschemeng.2c04354
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2022
Tipus de publicació: Journal Publications
Repositori URV