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The Effects of Water Soluble Extractives on the Acoustic Properties of Reed (Arundo donax L.)

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Published/Copyright: June 1, 2005
Holzforschung
From the journal Volume 53 Issue 1

Summary

The storage modulus (E′) and the loss tangent (tanδ) of reed (Arundo donax L.) used for woodwinds were measured at 20°C and 60% relative humidity and the effects of water soluble extractives on these properties were discussed. The extractives increased both the E′ and tanδof reed. There was a linear relationship between the tanδ change and the weight loss due to extraction. By using an uniaxial rheological model considering the anatomical structure of reed, the E′ and tanδ of reed were described using the storage moduli, loss tangents, and volume fractions of bundle sheaths and parenchyma cells. It was suggested that the extractives in parenchyma cells increased the modulus of elasticity for parenchyma cells by 25% and reduced the relaxation time of parenchyma cells by a factor of three. The main constituents of extractives were glucose, fructose and sucrose.

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Published Online: 2005-06-01
Published in Print: 1999-01-01

Copyright (c)1999 by Walter de Gruyter GmbH & Co. KG

Articles in the same Issue

  1. Factors Affecting Crystalline Structure of Cellulose during Solvent Purification Treatment
  2. Rupture of Pit Membranes in Sugi (Cryptomerica japanica D. Don) Logs by a Smoke Heating System with Increased Far-Infrared Radiation
  3. Fungal Treatment of Aspen for Wood Resin Reduction: Effect on Aged Aspen Wood Chips at Room Temperature and at 5°C
  4. Hydroxyl Radical Generation by an Extracellular Low-Molecular-Weight Substance and Phenol Oxidase Activity During Wood Degradation by the White-Rot Basidiomycete Phanerochaete chrysosporium
  5. Industrial Utilization of Tobacco Stalks (1) Preliminary Evaluation for Biomass Resources
  6. Characterization of Lignin-Carbohydrate Fractions Isolated from the Wood Parasite Cistance deserticola Y.C. Ma
  7. Acid Reactions of Lignin Models of β-5 Type
  8. A New Approach Towards the Yellowing Inhibition of Mechanical Pulps. Part I: Selective Removal of α-Hydroxyl and α-Carbonyl Groups in Lignin Model Compounds
  9. Atmospheric Acetic Acid Pulping of Rice Straw II: Behavior of Ash and Silica in Rice Straw during Atmospheric Acetic Acid Pulping and Bleaching
  10. Variability of Suberin Composition of Reproduction Cork from Quercus suber Throughout Industrial Processing
  11. The Effects of Water Soluble Extractives on the Acoustic Properties of Reed (Arundo donax L.)
  12. Wood Moisture Gradient Analysis by Electrical Impedance Spectroscopy
  13. Non-Darcian Air Flow in Wood. Part 2. Nonlinear Flow
  14. Non-Darcian Air Flow in Wood. Part 3. Molecular Slip Flow
  15. Laser Ablation of Machined Wood Surfaces. 1. Effect on End-Grain Gluing of Pine (Pinus silvestris L.) and Spruce (Picea abies Karst.)
  16. A Study of Ordinary Portland Cement Hydration With Wood by Isothermal Calorimetry
  17. Literature Reports
https://doi.org/10.1515/HF.1999.011

Articles in the same Issue

  1. Factors Affecting Crystalline Structure of Cellulose during Solvent Purification Treatment
  2. Rupture of Pit Membranes in Sugi (Cryptomerica japanica D. Don) Logs by a Smoke Heating System with Increased Far-Infrared Radiation
  3. Fungal Treatment of Aspen for Wood Resin Reduction: Effect on Aged Aspen Wood Chips at Room Temperature and at 5°C
  4. Hydroxyl Radical Generation by an Extracellular Low-Molecular-Weight Substance and Phenol Oxidase Activity During Wood Degradation by the White-Rot Basidiomycete Phanerochaete chrysosporium
  5. Industrial Utilization of Tobacco Stalks (1) Preliminary Evaluation for Biomass Resources
  6. Characterization of Lignin-Carbohydrate Fractions Isolated from the Wood Parasite Cistance deserticola Y.C. Ma
  7. Acid Reactions of Lignin Models of β-5 Type
  8. A New Approach Towards the Yellowing Inhibition of Mechanical Pulps. Part I: Selective Removal of α-Hydroxyl and α-Carbonyl Groups in Lignin Model Compounds
  9. Atmospheric Acetic Acid Pulping of Rice Straw II: Behavior of Ash and Silica in Rice Straw during Atmospheric Acetic Acid Pulping and Bleaching
  10. Variability of Suberin Composition of Reproduction Cork from Quercus suber Throughout Industrial Processing
  11. The Effects of Water Soluble Extractives on the Acoustic Properties of Reed (Arundo donax L.)
  12. Wood Moisture Gradient Analysis by Electrical Impedance Spectroscopy
  13. Non-Darcian Air Flow in Wood. Part 2. Nonlinear Flow
  14. Non-Darcian Air Flow in Wood. Part 3. Molecular Slip Flow
  15. Laser Ablation of Machined Wood Surfaces. 1. Effect on End-Grain Gluing of Pine (Pinus silvestris L.) and Spruce (Picea abies Karst.)
  16. A Study of Ordinary Portland Cement Hydration With Wood by Isothermal Calorimetry
  17. Literature Reports
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