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CHAPTER 7

Thermo-responsive Poly(ionic liquid) Nanogels Prepared via One-step Cross-linking Copolymerization

Poly(ionic liquid)s (PILs), referring to a special class of polyelectrolyte, have been regarded as novel polymers with versatile advantages. Thus, the combination of stimuli-responsive polymers with PILs has been demonstrated to be one of the upcoming fields in polymer chemistry. In view of the designable structure and tunable polarity of ILs, it is a great challenge to fabricate stimuli-responsive polymers based on PILs. Herein, we summarize the recent progress in thermo-responsive polymer systems comprising ILs. Some studies have demonstrated that thermo-responsive PILs can be easily obtained through incorporation with thermo-responsive polymers. However, in our studies, we found that a thermo-responsive nanogel could be conveniently prepared through one-step cross-linking copolymerization of IL monomers that can contribute hydrogen bonding interactions. For IL monomers without the above performance, thermo-responsive nanogels could also be achieved through reversible addition–fragmentation chain transfer (RAFT) polymerization using a chain transfer agent with a carboxyl group. Furthermore, redox- and photo-responsive PIL nanogels could also be fabricated via one-step synthesis of functional IL monomers and cross-linkers. As a result, our findings represent an efficient and applicable platform for the fabrication of stimuli-responsive polymeric nanomaterials.

Publication details


Print publication date
22 Sep 2017
Copyright year
2018
Print ISBN
978-1-78262-960-3
PDF eISBN
978-1-78801-053-5
ePub eISBN
978-1-78801-221-8
From the book series:
Smart Materials Series