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Synthesis and characterization of AB-type diblock copolymer by enzymatic ring-opening polymerization and ATRP

  • Ke Sha*
  • , Dong Shuang Li
  • , Ya Peng Li
  • , Xiao Tian Liu
  • , Peng Ai
  • , Wei Wang
  • , Jing Yuan Wang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Mono-hydroxyl terminated polycaprolactone (PCL) was prepared by Novozyme 435 catalyzed ring-opening polymerization (ROP) of ε-caprolactone (ε-CL) initiated by methanol, and subsequently converted to bromine ended PCL by the esterification of the resulting macromolecules with α-bromopropionyl bromide. The macroinitiators containing α-bromoester group were employed in the atom transfer radical polymerization (ATRP) of glycidyl methacrylate (GMA) with CuCl/2,2-bipyridine (bpy) as the catalyst system to obtain amphiphilic diblock copolymer PCL-b-PGMA.

Original languageEnglish
Pages (from-to)985-987
Number of pages3
JournalGaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities
Volume27
Issue number5
StatePublished - May 2006
Externally publishedYes

Keywords

  • Atom transfer radical polymerization (ATRP)
  • Block copolymer
  • Enzyme-promoting ring-opening polymerization
  • Fixed enzyme Novozyme 435

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