Kinetic separation of polymers with different terminals through inclusion complexation with cyclodextrin

  • Jie Xue
  • , Zhifeng Jia
  • , Xulin Jiang
  • , Yanping Wang
  • , Liang Chen
  • , Li Zhou
  • , Peng He
  • , Xinyuan Zhu
  • , Deyue Yan

Research output: Contribution to journalReview articlepeer-review

29 Scopus citations

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 languageEnglish
Pages (from-to)8905-8907
Number of pages3
JournalMacromolecules
Volume39
Issue number26
DOIs
StatePublished - Dec 26 2006

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