Polymerisation-Induced Self-Assembly of Graft Copolymers.
Graft Copolymer
PISA
Polymerization
RAFT
Self-Assembly
Journal
Angewandte Chemie (International ed. in English)
ISSN: 1521-3773
Titre abrégé: Angew Chem Int Ed Engl
Pays: Germany
ID NLM: 0370543
Informations de publication
Date de publication:
02 Nov 2022
02 Nov 2022
Historique:
received:
20
07
2022
pubmed:
25
8
2022
medline:
25
8
2022
entrez:
24
8
2022
Statut:
ppublish
Résumé
We report the polymerisation-induced self-assembly of poly(lauryl methacrylate)-graft-poly(benzyl methacrylate) copolymers during reversible addition-fragmentation chain transfer (RAFT) grafting from polymerisation in a backbone-selective solvent. Electron microscopy images suggest the phase separation of grafts to result in a network of spherical particles, due to the ability of the branched architecture to freeze chain entanglements and to bridge core domains. Small-angle X-ray scattering data suggest the architecture promotes the formation of multicore micelles, the core morphology of which transitions from spheres to worms, vesicles, and inverted micelles with increasing volume fraction of the grafts. A time-resolved SAXS study is presented to illustrate the formation of the inverted phase during a polymerisation. The grafted architecture gives access to unusual morphologies and provides exciting new handles for controlling the polymer structure and material properties.
Identifiants
pubmed: 36002384
doi: 10.1002/anie.202210518
pmc: PMC9828155
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e202210518Subventions
Organisme : Lubrizol
Informations de copyright
© 2022 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH.
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