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Compressive Creep of Wood under High Temperature Steam
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W. Dwianto
Published/Copyright:
June 1, 2005
Summary
Creep compliance curves in the radial compression were measured under steam for sugi (Cryptomeria japonica D. Don) at temperatures up to 200°C. The creep compliance curves for 30 min (I) and those with pre-steaming for 30 min (II) were well connected at 30 min when the structural changes due to the degradation of hemicelluloses or the decomposition of lignin as well as hemicelluloses occurred. However, the creep curves (I) at 30 min differed markedly from creep curves (II) when the structural changes due to the increase in regularity of crystalline lattice spacing of the microfibrils or the formation of cross-linkages between the cell wall polymers occurred. It was concluded that two kinds of structural changes could be detected well by creep measurement.
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Published Online: 2005-06-01
Published in Print: 2000-01-28
Copyright © 2000 by Walter de Gruyter GmbH & Co. KG
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- Application of Liquefied Wood to a New Resin System—Synthesis and Properties of Liquefied Wood/Epoxy Resins
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- Literature Reports
Articles in the same Issue
- Identification of Indoor Rot Fungi by Taxon-Specific Priming Polymerase Chain Reaction
- Characteristics of Spruce [Picea abies (L.) Karst] Latewood Formed under Abnormally Low Temperatures
- The Chemical Nature of Kiln Brown Stain in Radiata Pine
- Microdistribution of Some Copper and Zinc Containing Waterborne and Organic Solvent Wood Preservatives in Spruce Wood Cell Walls
- X-Ray Diffraction as an Analytical Method in Wood Preservatives
- Modifications of Hybrid Walnut (Juglans nigra 23 x Juglans regia) Wood Colour and Phenolic Composition Under Various Steaming Conditions
- Incorporation of 13C-Labeled Coniferyl Alcohol into Developing Ginkgo biloba L. Lignin Revealed by Analytical Pyrolysis and CuO Oxidation in Combination with Isotope Ratio Monitoring-Gas Chromatography-Mass Spectrometry
- Atomic Force Microscopy (AFM) Investigation of Langmuir-Blodgett (LB) Films of Sugar Cane Bagasse Lignin
- Comparison of Acetic Acid Lignin with Milled Wood and Alkaline Lignins from Wheat Straw
- Monitoring of Lignin and Hemicelluloses in Spent Cooking Liquor during Kraft Delignification
- Preparation of Wood with Thermoplastic Properties, Part 1. Classical Synthesis
- Preparation of Wood with Thermoplastic Properties, Part 2. Simplified Technologies
- The Effect of Hydrostatic Pressure on Physical Properties and Microstructure of Spruce and Cherry
- Application of Liquefied Wood to a New Resin System—Synthesis and Properties of Liquefied Wood/Epoxy Resins
- Lab-Scale Synthesis of Isotopically Labeled Formaldehyde for the Production of Formaldehyde-Based Wood Adhesives
- Confirmation of the Presence of Formaldehyde and N-(Methylene)morpholinium Cations as Reactive Species in the Cellulose/NMMO/Water System by Trapping Reactions
- Compressive Creep of Wood under High Temperature Steam
- Literature Reports
