A CP/MAS 13C NMR Study of the Effect of Steam Explosion Processes on Wood Composition and Structure

摘要: Abstract Two wood species - the softwood Pinus radiata and hardwood Eucalyptus regnans have been examined by CP/MAS 13C NMR spectroscopy before after treatment two steam explosion processes, namely, Canadian Iotech Process Australian Siropulper process.1,2While main effects of appeared to be, in general, similar for both processes wood, e.g. an apparent increase cellulose crystallinity, hydrolysis hemicellulose component, de-etherification depolymerization lignin some differences were also detectable, particularly samples extracted exploded wood. These included composition residual structure. In cases, signal area ratios could be used confirm provide a comparative measure these differences. Signal basis development useful, non-destructive method examining content, which may advant...