Synthesis of an ABCD 4-Miktoarm Star Quaterpolymer Through a Diels-Alder Click Reaction

Ozcan Altintas, Gurkan Hizal, Umit Tunca

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46 Scopus citations


An ABCD 4-miktoarm star quaterpolymer with A = poly(ε- caprolactone) (PCL), B = poly(tert-butyl acrylate) (PtBA), C = polystyrene (PS) and D = poly(methyl methacrylate) (PMMA) arms was prepared using the Diels-Alder reaction strategy. Firstly, PCL with anthracene (PCL-Anth) and PtBA with furan-protected maleimide (PtBA-MI) end-functionalities were synthesized separately via ring-opening polymerization of ε-CL and atom transfer radical polymerization of tBA, respectively. These homo-polymers were linked via the Diels-Alder click reaction in toluene at 100°C in order to give PCL-b-PtBA co-polymer. Next, this block co-polymer is utilized successively as macroinitiator in nitroxide-mediated radical polymerization of styrene and in free radical photo-polymerization of MMA in order to achieve the PCL-PtBA-PS-PMMA 4-miktoarm star quaterpolymer.

Original languageEnglish (US)
Pages (from-to)83-98
Number of pages16
JournalDesigned Monomers and Polymers
Issue number1
StatePublished - Jan 1 2009
Externally publishedYes

Bibliographical note

Funding Information:
The authors would like to thank The Scientific & Technological Research Council of Turkey (TUBITAK) for financial support of this work (Project No. 105T160).


  • Atom transfer radical polymerization
  • Diels-alder click reaction
  • Free radical photo-polymerization
  • Miktoarm star polymers
  • Nitroxide mediated radical polymerization
  • Poly(ε-caprolactone)
  • Polystyrene
  • Ring-opening polymerization


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