Influence of topology on the gelation behavior of coordination polymers prepared via ROMP of macrocyclic olefins

Simone Albano, Alessio Fantozzi, José Augusto Berrocal, Stefano Di Stefano

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

This work reports on the consequences of concatenation of two twin macrocycles on the gelation behavior of coordination polymers obtained via ring-opening metathesis polymerization (ROMP) initiated by 2nd generation Grubbs' catalyst. The influence of concatenation is evaluated by comparison with the behavior of a non-interlocked model complex under the same reaction conditions. The suitability of the choice of the non-interlocked model complex is discussed in terms of molecular structure and effective molarity (EM). It is found that concatenation has a primary role in the gelation process, resulting in lower critical gelation concentrations for the endotopic, interlocked complex compared with the exotopic, non-interlocked one.

Original languageEnglish
Pages (from-to)1237-1242
Number of pages6
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume55
Issue number7
DOIs
Publication statusPublished - 1 Apr 2017

Keywords

  • catenanes
  • coordination polymer gels
  • Jacobson-Stockmayer theory
  • mechanical bond
  • ring-opening metathesis polymerization

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