Block copolymer hierarchical structures from the interplay of multiple assembly pathways

Alessandro Ianiro; Meng Chi; Marco M. R. M. Hendrix; Ali Vala Koç; E. Deniz Eren; Michael Sztucki; Andrei V. Petukhov; Gijsbertus de With; A. Catarina C. Esteves; Remco Tuinier

doi:10.1039/D0PY00081G

Block copolymer hierarchical structures from the interplay of multiple assembly pathways†

Alessandro Ianiro,

*^ab Meng Chi,^a Marco M. R. M. Hendrix,^ab Ali Vala Koç,^a E. Deniz Eren,

^a Michael Sztucki,^c Andrei V. Petukhov,

^da Gijsbertus de With,^a A. Catarina C. Esteves^a and Remco Tuinier

*^abd

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* Corresponding authors

^a Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
E-mail: alessandro.ianiro@unifr.ch, r.tuinier@tue.nl

^b Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands

^c ESRF, The European Synchrotron, 71 Avenue des Martyrs, Grenoble, France

^d Van ‘t Hoff Laboratory for Physical and Colloid Chemistry, Department of Chemistry and Debye Institute, Utrecht University, Padualaan 8, Utrecht, The Netherlands

Abstract

Structurally complex hierarchical block copolymer assemblies can be formed in solution via the interplay of multiple assembly pathways. Crystallizable block copolymers can undergo self-assembly, crystallization or phase separation in solution. By selecting appropriate solvency conditions (solvent and temperature) it is possible to induce an interplay between these processes resulting in a complex association behavior. This leads to the formation of assemblies with up to four levels of hierarchical organization. Furthermore, varying the copolymer composition enables to tune the formation mechanism and the morphology of the aggregates.

Polymer Chemistry

Block copolymer hierarchical structures from the interplay of multiple assembly pathways†

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Block copolymer hierarchical structures from the interplay of multiple assembly pathways

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