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Transesterification reaction between acetylated wood and trialkoxysilane coupling agents
Author(s) -
Özmen Nilgül,
Sami Çetin Nihat,
Tingaut Philippe,
Sèbe Gilles
Publication year - 2007
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.26069
Subject(s) - methyltrimethoxysilane , transesterification , materials science , infrared spectroscopy , fourier transform infrared spectroscopy , catalysis , polymer chemistry , magic angle spinning , organic chemistry , chemistry , chemical engineering , nuclear magnetic resonance spectroscopy , coating , engineering
A novel dibutyltin oxide‐catalyzed transesterification reaction between acetylated maritime pine sapwood ( Pinus pinaster Soland) and methyltrimethoxysilane (MTMS) was studied. The transesterification exchange between the acetyl moities and MTMS was confirmed by weight percent gain calculations, Fourier‐transform infrared spectroscopy, as well as solid state 13 C and 29 Si crosspolarization with magic‐angle spinning nuclear magnetic resonance spectroscopy. The silicon atoms in the MTMS‐transesterified wood were found to exist in the form of more or less condensed structures, concurrently formed by condensation between neighboring Si(OMe) 3 groups. An increase in the acetyl/MTMS exchange rate was also noted when the catalyst amount, temperature, or reaction time were increased. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007