Chem. J. Chinese Universities

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Synthesis of Amphiphilic Diblock Copolymer Poly(10-hydroxydecanoic acid)/poly(glycidyl methacrylate) by Combining Enzymatic Condensation Polymerization and ATRP

LI Dong-Shuang1, SHA Ke1, LI Ya-Peng1, LIU Xiao-Tian1, AI Peng1, WANG Wei1, CHEN Liang2, WANG Jing-Yuan1   

    1. Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, Changchun 130012, China;
    2. The First Hospital of Jilin University, Changchun 130023, China
  • Received:2005-10-28 Revised:1900-01-01 Online:2006-08-10 Published:2006-08-10
  • Contact: WANG Jing-Yuan

Abstract: The diblock copolymers poly(10-hydroxydecanoic acid)-block poly(glycidyl methacrylate)(PHDA-b-PGMA) were synthesized by combining enzymatic condensation polymerization of 10-hydroxydecanoic acid(HDA) and atom transfer radical polymerization(ATRP) of glycidyl methacrylate(GMA). PHDA was firstly obtained via enzymatic condensation polymerization catalyzed by Novozyme-435. Subsequently one end of PHDA chains was modified by reaction with α-bromopropionyl bromide and the other was protected by chlorotrimethylsilane(TMSCL), respectively, the resulting monofunctional macroinitiator was used in the ATRP of GMA using CuCl/2,2'-bipyridine(bpy) as the catalyst system to afford the diblock copolymers including biodegradable PHDA blocks and well-defined PGMA blocks. Polymer nanospheres were prepared by the self-assembly behaviors of the amphiphilic diblock copolymers PHDA-b-PGMA in aqueous solvent.

Key words: Enzymatic polymerization, Atom transfer radical polymerization(ATRP), Block copolymer, Self-assembly

CLC Number: 

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