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Using UV-Microscopy to Study Diffusion of Melamine-Urea-Formaldehyde Resin in Cell Walls of Spruce Wood
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Wolfgang Gindl
Published/Copyright:
June 1, 2005
Summary
Using UV-microscopy, absorbance spectra of a cured melamine-urea-formaldehyde resin and secondary cell walls of spruce wood glued with this resin were determined. Analysis of the spectra showed that peaks characteristic for both coniferous lignin and melamine resin were present in cell walls of tracheids embedded in the resin. A quantitative estimate indicated a melamine content of the resin embedded cell walls of 6.2%. It could be demonstrated that UV-microscopy is well suited for the investigation of resin diffusion into the wood cell wall.
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Published Online: 2005-06-01
Published in Print: 2002-02-06
Copyright © 2002 by Walter de Gruyter GmbH & Co. KG
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Articles in the same Issue
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- Cytochemical Localization of Hydrogen Peroxide Production during Wood Decay by Brown-Rot Fungi Tyromyces palustris and Coniophora puteana
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- FTIR Microscopy and Ultrastructural Investigation of Silylated Solid Wood
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- Effect of High-Temperature Defibration on the Chemical Structure of Hardwood
- Totally Chlorine Free Bleaching of Eucalyptus globulus Dissolving Pulps Delignified with Peroxyformic Acid and Formic Acid
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- Adsorption of Liquids and Swelling of Wood. Part VI. Saturated Amounts and Some Thermodynamic Values of Adsorption
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