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Related Concept Videos

Wood Products01:21

Wood Products

223
Wood products encompass a broad range of materials crafted from wood strands, veneers, lumber, and even waste wood-like shreds, designed for both structural and nonstructural purposes. Various specialized wood products have been developed to enhance strength, durability, and versatility in building applications.
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
223
Seasoning of Wood01:15

Seasoning of Wood

328
Seasoning of wood is a crucial process aimed at reducing and stabilizing the moisture content within the wood to prevent future shrinkage, structural damage, or aesthetic issues once the wood is used in construction. Wood naturally swells when it absorbs moisture and contracts as it dries.
Achieving equilibrium moisture content is the goal of seasoning; this is the point where the wood's moisture content stabilizes to align with the moisture levels of the surrounding environment. Proper...
328
Introduction to Wood01:19

Introduction to Wood

556
Wood, derived from trees, is a versatile and widely used construction material. Trees feature a trunk surrounded by a protective layer of dead bark. Beneath this outer layer lies the living bark, followed by the cambium, and then the sapwood which transitions into heartwood as it matures. At the center of the trunk is the pith. The age of a tree can be discerned by examining its growth rings, which are concentric bands visible in the trunk's cross-section.
The structural integrity of the...
556
Wood Surfacing01:14

Wood Surfacing

260
Wood surfacing is a critical finishing process designed to smoothen the wood surface, enhance its dimensional accuracy, and make handling safer. This process compensates for potential shrinkage during the seasoning phase by marginally increasing the wood dimensions before surfacing. It also helps correct some distortions that may occur as the wood dries.
The equipment used in the surfacing process is a plane equipped with rotating blades. This tool efficiently smoothens the wood surface and can...
260
Softwoods and Hardwoods01:28

Softwoods and Hardwoods

388
Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
388
Wood Panel Products01:18

Wood Panel Products

254
Wood panel products are essential materials used in construction for applications such as flooring, siding, and roofing, typically available in standard dimensions of 4 feet by 8 feet, with thicknesses varying from one-quarter of an inch to one and one-eighth inches. Among the most common types of wood panels is plywood, which is produced by gluing multiple layers of thin wood veneers under pressure. The grain of the outer veneers runs lengthwise, while the grains of the interior layers run...
254

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Updated: Dec 15, 2025

Fabrication and Design of Wood-Based High-Performance Composites
08:08

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Innovation in Wood Preservation.

Roger M Rowell1

  • 1Biological Systems Engineering, University of Wisconsin, Madison, WI 53705, USA.

Polymers
|July 11, 2020
PubMed
Summary

Wood acetylation reduces cell wall moisture, preventing fungal decay. This non-toxic approach enhances wood durability by inhibiting fungal colonization, offering a sustainable alternative for wood preservation.

Area of Science:

  • Wood science
  • Mycology
  • Materials science

Background:

  • Traditional wood preservation relies on toxic chemicals to prevent fungal decay.
  • Fungal colonization of wood requires adequate moisture content.
  • Understanding fungal attack mechanisms offers non-toxic preservation alternatives.

Purpose of the Study:

  • To investigate acetylation's effect on wood cell wall moisture content.
  • To evaluate the efficacy of reduced moisture content against fungal decay.
  • To assess acetylation as a non-toxic wood preservation strategy.

Main Methods:

  • Wood acetylation was performed to reduce cell wall moisture.
  • Moisture levels were analyzed in bulk and isolated cell wall polymers.
  • Resistance to brown-rot fungi (Gloeophyllum trabeum) was tested using a 12-week soil block test.
Keywords:
acetyl contentacetylationbrown-rot fungusdecayequilibrium moisture contentmechanismmoisturepreservativesugar analysistoxicityweight losswood

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Main Results:

  • Acetylation successfully reduced cell wall moisture content.
  • Reduced moisture content significantly inhibited fungal decay.
  • Weight loss analysis confirmed the effectiveness of the treatment against Gloeophyllum trabeum.

Conclusions:

  • Lowering wood cell wall moisture content via acetylation is an effective non-toxic preservation method.
  • This approach inhibits fungal colonization and decay, extending wood's service life.
  • Acetylation offers a sustainable alternative to traditional toxic wood preservatives.