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FTIR Characterization of Copper Ethanolamine—Wood Interaction for Wood Preservation
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Jun Zhang
Published/Copyright:
June 1, 2005
Summary
The interaction of copper ethanolamine (Cu-EA) preservative and wood components was studied by using Fourier transform infrared spectroscopy (FTIR). In Cu-EA treated wood, significant reduction was noticed on the band attributed to carbonyl vibration from carboxylic groups at 1735 ± 5 cm−1 and an increase in band intensity was obtained from carbonyl in carboxylate at 1595 ± 5 cm−1. The same observation was made in Cu-EA treated holocellulose. Cu-EA treated lignin resulted in a reduction in the aromatic ester band at 1710 ± 5 cm−1 and an increase in carbonyl from carboxylate at 1595 ± 5 cm−1. Bands at 1370 cm−1 and 1221 cm−1, assigned to phenolic hydroxyl groups, exhibited a decrease in intensity after the treatment. From these data, it is concluded that Cu-EA interacts with carboxylic groups, phenolic hydroxyl groups and ester groups from lignin to form copper carboxylate and phenolate complexes.
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Published Online: 2005-06-01
Published in Print: 2000-02-29
Copyright © 2000 by Walter de Gruyter GmbH & Co. KG
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Articles in the same Issue
- Modelling the Moisture Induced Risk of Decay for Treated and Untreated Wood Above Ground
- FTIR Characterization of Copper Ethanolamine—Wood Interaction for Wood Preservation
- Glycerol/Glyoxal: A New Boron Fixation System for Wood Preservation and Dimensional Stabilization
- Removal of Phenolic Hydroxyl Groups in Lignin Model Compounds and Its Effect on Photostability
- Cation Exchange Capacity Tests on Some Lignocellulosic Materials Highlight Some Aspects of the Use of Copper as Wood Preservative
- Biological, Chemical and Mechanical Characteristics of "Wulstholz" as a Response to Mechanical Stress in Living Trees of Picea abies [L.] Karst
- A Comparative Study on Reactions of Hydrogen Peroxide and Peracetic Acid with Lignin Chromophores. Part 1. The Reaction of Coniferaldehyde Model Compounds
- A Comparative Study on Reactions of Hydrogen Peroxide and Peracetic Acid with Lignin Chromophores. Part 2. The Reaction of Stilbene-Type Model Compounds
- Chlorinated Phenolic Compounds in Bleaching Filtrates from a Mixed Eucalyptus and Acacia Pulp Using Different Sequences
- Kinetic Studies on Oxidation of Veratryl Alcohol by Laccase-Mediator System. Part 1. Effects of Mediator Concentration
- Kinetic Studies on Oxidation of Veratryl Alcohol by Laccase-Mediator System. Part 2. The Kinetics of Dioxygen Uptake
- Determination of Residual Stresses in Medium Density Fibreboard
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- Study of the System Wood – Coating Material. I. Wood – Liquid Coating Material
- Effect of Lignocellulosic Materials on the Properties of Thermoplastic Polymer/Wood Composites
- A New Air Dehydration Process for Wood Dryers. Part I. Kinetic and Quality of Drying
- A New Air Dehydration Process for Wood Dryers. Part II. Elimination of Organic Compounds
- A New Method of Sample Preparation for Kenaf Bast Fiber Length Analysis with Automated Fiber Length Analyzer
- Literature Reports
