Design of Heterocomplementary H-Bonding RAFT Agents - Towards the Generation of Supramolecular Star Polymers

Macromol Rapid Commun. 2009 Jan 16;30(2):83-8. doi: 10.1002/marc.200800586. Epub 2008 Dec 16.

Abstract

Supramolecular poly(vinyl acetate) PVAc 3-arms stars were successfully generated by Reversible Addition-Fragmentation chain Transfer (RAFT)-polymerized chains bearing hydrogen-bonding heterocomplementary associating units. Chain Transfer Agents (CTA) bearing thymine- and diaminopyridine-based units were first synthesized and proved to mediate efficiently the polymerization of VAc. The binding ability of the chains in solution was then demonstrated by (1) H NMR and GPC measurements, proving the formation of the supramolecular stars.