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Solution and solid state nuclear magnetic resonance investigation of poly(methylmethacrylate)/ poly(ethylene oxide) blends
Author(s) -
Diniz Teresinha M. F. F,
Tavares Maria I. B.
Publication year - 2003
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.13004
Subject(s) - ethylene oxide , poly ethylene , materials science , homogeneity (statistics) , compatibility (geochemistry) , oxide , ethylene , polymer blend , nuclear magnetic resonance spectroscopy , polymer chemistry , solid state nuclear magnetic resonance , solid state , chemical engineering , polymer , nuclear magnetic resonance , copolymer , chemistry , organic chemistry , composite material , catalysis , statistics , mathematics , physics , engineering , metallurgy
It is well known that nuclear magnetic resonance spectroscopy (NMR) is a powerful method to characterize blends compatibility at the molecular level. In this work binary blends formed by poly(methylmethacrylate)/poly(ethylene oxide), PMMA/PEO, were investigated by different solution and solid state NMR techniques to obtain information on blends homogeneity and compatibility. It was characterized that the values of T 1 H ρ obtained by variable contact time and delayed contact time experiments, for each composition, were distinct and this fact suggests that regions with different molecular mobilities exist, as a consequence of blending interaction. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 90: 2955–2958, 2003