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Synthesis of methyl acrylate graft copolymers by the combination of a polynorbornene containing pendant vinylbenzene groups by using coordination and reverse atom transfer polymerization
Author(s) -
Ma Rui,
Song Zhongying,
Hou Yubang,
Feng Juan,
Xing Bin,
Bao Feng
Publication year - 2008
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.1399
Subject(s) - copolymer , chemistry , polymer chemistry , norbornene , methylaluminoxane , styrene , polymerization , methyl acrylate , divinylbenzene , atom transfer radical polymerization , azobisisobutyronitrile , monomer , chain transfer , hydroxylamine , radical polymerization , organic chemistry , polymer , metallocene
Abstract Copolymerization of norbornene and 1,4‐divinylbenzene was successfully performed using a β‐ketoamine chelate nickel complex–methylaluminoxane, yielding random copolymer of norbornene and 1,4‐divinylbenzene containing a few pendant styrene groups. With the initiation of copper dichloride and 2,2′‐azobisisobutyronitrile, the pendant styrene groups were quantitatively polymerized with methyl acrylates, which allowed the successful synthesis of polynorbornene‐based graft copolymers by reverse atom transfer radical polymerization mechanism. The analyses of the product by 1 H NMR and gel permeation chromatography gave the verification of ‘true’ copolymer. The thermal property of the graft copolymer was controlled by varying the monomer feed ratio. Copyright © 2008 John Wiley & Sons, Ltd.