KeywordsSurface activation X-ray photoclcctron spectroscopy Diffuse reflectance Fourier transform infrared spcctroscopy C-13 nuclcar magnctic rcsonance with cross polarization and magic angle spinning spcctroscopy Red oak Red maple Swcetgum Southern pinc
SummaryThe effcct of surface activation on flakc surface ehern ist ry wcrc cvaluatcd by the application of solid-statc analytical instrumentation. Analytical mcthods includcd X-ray photoclcctron spcctroscopy, diffuse rcflcctancc Fourier transform infrared spectroscopy and carbon-13 nuclear magnctic resonancc spcctroscopy with cross polarization and magic angle spinning. Diffcrcnces in flake surface chcmistry among spccics wcre dctcctcd, and the surface trcatments showcd varicd effccts on modifying flake surface chcmical functionality. Earlicr work showed that surface activation trcatments rcact with phcnol-formaldchydc resin, and the results of this study support the earlier findings that the activating agcnts rcact chcmically to a greatcr extent with the phenol-formaldchyde resin gap filier than the flake surfaccs in the flakcboard bonding process.
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