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Keywords:

  • cyclodextrins;
  • multilayer materials;
  • polyrotaxanes;
  • degradable materials;
  • polyelectrolytes
Thumbnail image of graphical abstract

Polyrotaxanes consisting of α-cyclodextrin and poly(ethylene glycol) are versatile building blocks for the construction and controlled degradation of multilayers. Degradation is based on “unlocking” the α-cyclodextrins by disulfide cleavage of the polyrotaxane capping groups. This disrupts the multivalent intermolecular interactions between the layers, leading to degradation.