Premium
Synthesis of poly[(decanoic acid)‐ block ‐styrene] diblock copolymers and their self‐assembly behavior in aqueous medium
Author(s) -
Li Dongshuang,
Sha Ke,
Li Yapeng,
Ai Peng,
Liu Xiaotian,
Wang Wei,
Wang Jingyuan
Publication year - 2008
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.2120
Subject(s) - copolymer , atom transfer radical polymerization , polymer chemistry , styrene , bromide , polymerization , aqueous solution , materials science , condensation polymer , chemistry , catalysis , polymer , organic chemistry
Diblock copolymers, poly[(10‐hydroxydecanoic acid)‐ block ‐styrene] (PHDA‐ b ‐PSt), were synthesized by combining enzymatic condensation polymerization of HDA and atom transfer radical polymerization (ATRP) as of St PHDA was first obtained via enzymatic condensation polymerization catalyzed by Novozyme‐435. Subsequently, one terminus of the PHDA chains was modified by reaction with α‐bromopropionyl bromide and the other terminus was protected by chlorotrimethylsilane. The resulting monofunctional macroinitiator was used subsequently in ATRP of St using CuCl/2,2′‐bipyridine as the catalyst system to afford diblock copolymers including biodegradable PHDA blocks and well‐defined PSt blocks. Polymeric nanospheres were prepared by self‐assembly of the PHDA‐ b ‐PSt diblock copolymers in aqueous medium. Copyright © 2008 Society of Chemical Industry