Author, as appears in the article.: Verdugo P; Lligadas G; Ronda JC; Galià M; Cádiz V
Department: Química Analítica i Química Orgànica
URV's Author/s: Cádiz Deleito, Maria Virginia / Galià Clua, Marina Teresa / Lligadas Puig, Gerard / Ronda Bargalló, Juan Carlos / Verdugo Fernandez, Pedro Manuel
Keywords: Stimuli cleavable Rotep Renewable monomer Atrp Aba block copolymer
Abstract: © 2021 Elsevier Ltd A set of (poly-α-methylene-γ-butyrolactone)–co-(poly-δ-decalactone)–co-(poly-α-methylene-γ-butyrolactone) (PMBL-co-PDL-co-PMBL) ABA block copolymers containing different stimuli cleavable groups at the central point of the poly(δ-decalactone) (PDL) block were synthesized by a combination of Ring Opening Transesterification Polymerization (ROTEP) of DL, diol end-group functionalization as α-bromoester and Atom Transfer Radical Polymerization (ATRP) of α -methylene-γ-butyrolactone (MBL). Diols containing acetal, spiroacetal, thioacetal and disulphide units were used as initiators for the bulk room temperature controlled polymerization of δ-decalactone (DL) using 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) as catalyst. PDL diols were functionalized in a one-pot two-steps procedure using N-(2-bromoisobutyryl)imidazole (BiB-Im). The resulting macroinitiators were chain extended by atom transfer radical polymerization (ATRP) in DMF at 50 °C using MBL as methacrylic-like monomer and the conventional CuCl/CuCl2/2,2′-bipyridine catalyst system. The cleavage behaviour of the copolymers under reductive, acidic and photooxidative conditions has been studied and the resulting AB block copolymers structurally characterized.
Thematic Areas: Química Polymers and plastics Polymer science Physics and astronomy (miscellaneous) Physics and astronomy (all) Organic chemistry Odontología Materials chemistry Materiais Interdisciplinar General physics and astronomy Farmacia Engenharias iv Engenharias iii Engenharias ii Engenharias i Ciências ambientais Ciência de alimentos Ciência da computação Biotecnología Astronomia / física Arquitetura, urbanismo e design
licence for use: https://creativecommons.org/licenses/by/3.0/es/
Author's mail: marina.galia@urv.cat juancarlos.ronda@urv.cat gerard.lligadas@urv.cat
Author identifier: 0000-0002-4359-4510 0000-0002-0668-6600 0000-0002-8519-1840
Record's date: 2024-11-02
Papper version: info:eu-repo/semantics/acceptedVersion
Link to the original source: https://www.sciencedirect.com/science/article/abs/pii/S0014305721000550
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: European Polymer Journal. 147 (110321):
APA: Verdugo P; Lligadas G; Ronda JC; Galià M; Cádiz V (2021). Bio-based ABA triblock copolymers with central degradable moieties. European Polymer Journal, 147(110321), -. DOI: 10.1016/j.eurpolymj.2021.110321
Article's DOI: 10.1016/j.eurpolymj.2021.110321
Entity: Universitat Rovira i Virgili
Journal publication year: 2021
Publication Type: Journal Publications
Repositori URV