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Related Concept Videos

Polymers02:34

Polymers

The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the properties that they exhibit. Additionally,...
Polymers02:34

Polymers

The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the properties that they exhibit. Additionally,...
Polymers02:34

Polymers

The word polymer is derived from the Greek words “poly” which means “many” and “mer” which means “parts”. Polymers are long chains of molecules composed of repeating units of smaller molecules, known as monomers. They either occur naturally, such as DNA and proteins, or can be constructed synthetically, like plastics. They have varied structural characteristics, such as linear chains, branched chains, or complex networks, that contribute to the properties that they exhibit. Additionally,...
Classification and Mechanical Properties of Synthetic Polymers01:28

Classification and Mechanical Properties of Synthetic Polymers

Synthetic polymers are classified as elastomers, fibers, or plastics based on their crystallinity. Crystallinity, the degree of long-range order in the solid state, influences the mechanical properties (stretching or contracting) of elastomers. Elastomers are flexible polymers that can expand or contract easily upon the application of an external force. They have numerous crosslinks that pull them back into their original shape when stress is removed. Silicones, for instance, are highly elastic...
Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the polymer...
Network Covalent Solids02:18

Network Covalent Solids

Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...

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Related Experiment Video

Updated: Jun 13, 2026

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties
09:06

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties

Published on: June 7, 2020

Wood/Dynamic Covalent Polymer Network Composites.

Jiaxi Kuang1, Wanting Wang1, Shuqi Shang1

  • 1Yunnan Provincial Key Laboratory of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China.

Polymers
|June 12, 2026
PubMed
Summary
This summary is machine-generated.

Dynamic covalent polymer networks (DCPNs) enhance wood composites, offering reprocessable and degradable materials with advanced properties like shape-memory and self-healing. This innovation unlocks sustainable wood utilization for functional applications.

Keywords:
compositesdynamic covalent polymer networksreprocessibilityshape-memorywood

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Sustainable Materials

Background:

  • Wood is a sustainable resource with potential for functional composites.
  • Conventional wood/polymer composites face limitations like poor reprocessability and wood compatibility.
  • Dynamic covalent polymer networks (DCPNs) offer reconfigurable thermoset matrices.

Purpose of the Study:

  • To review recent advances in wood/DCPN composites.
  • To highlight fabrication approaches and properties of these advanced materials.
  • To explore the potential of wood/DCPN composites for sustainable applications.

Main Methods:

  • DCPN impregnation into delignified wood.
  • Blending of DCPNs with wood powder to create wood-plastic composites (WPCs).

Main Results:

  • DCPN-impregnated delignified wood yields transparent wood with shape-memory, photo-luminescence, and thermochromic properties.
  • DCPN-modified carbonized wood creates electrode materials with enhanced plasticity and self-healing.
  • Repairable and reprocessable wood powder/DCPN composites show potential for carbon storage.

Conclusions:

  • Wood/DCPN composites combine wood's properties with DCPNs' dynamic characteristics.
  • These composites offer efficient, eco-friendly, and sustainable wood processing and utilization.
  • The development of reprocessable and advanced functional wood materials is enabled.