Abstract
A supramolecular end-group separation method based on the complexation kinetics difference between cyclodextrins (CDs) and linear polymers with different terminals, is presented. Cyclodextrins can form the crystalline inclusion complexes with a variety of linear polymers, which readily precipitate from aqueous or organic solvent solution. The molecular recognition between CD and end group of polymeric guest plays a very important role in such complexation. The end-group separation of polymers by supramolecular interaction between CDs and linear polymers with different terminals is found to be reasonable and feasible. This method is an eco-friendly route to separate and purify the linear polymers with identical repeat unit and molecular weight with different end-group functionality, because the host CD is a nontoxic and environmental friendly compound, and can be recycled.
| Original language | English |
|---|---|
| Pages (from-to) | 8905-8907 |
| Number of pages | 3 |
| Journal | Macromolecules |
| Volume | 39 |
| Issue number | 26 |
| DOIs | |
| State | Published - Dec 26 2006 |