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Solubilization of graphene flakes through covalent modification with well‐defined azido‐terminated poly(ε‐caprolactone)
Author(s) -
Abdullah Nabihah,
Hatano Kazuya,
Ando Daiki,
Kubo Masataka,
Koshio Akira,
Kokai Fumio
Publication year - 2015
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.41569
Subject(s) - covalent bond , grafting , polymer chemistry , caprolactone , materials science , polycaprolactone , gel permeation chromatography , raman spectroscopy , sonication , copolymer , graphene , chemical engineering , polymer , chemistry , organic chemistry , composite material , nanotechnology , optics , engineering , physics
A well‐defined poly(ε‐caprolactone) (PCL) with terminal azido group was prepared. Grafting‐on reaction between the azido‐terminated PCL (N 3 PCL) and ultrasonication‐assisted exfoliated graphene flakes (GF) was carried out to obtain PCL‐grafted‐GF (PCL‐ g ‐GF) which showed good dispersibility in a wide variety of organic solvents. Gel permeation chromatography, 1 H NMR, IR, Raman, UV‐vis, and TEM measurements indicated that PCL macromolecules were covalently introduced on the surface of GF without disrupting the structure of GF. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132 , 41569.