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Related Concept Videos

Bioplastics01:27

Bioplastics

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Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
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Wood Products01:21

Wood Products

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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...
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Polymer Classification: Architecture01:14

Polymer Classification: Architecture

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Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
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Microbial Bioremediation of Plastics

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Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
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Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

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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.
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Polymers02:34

Polymers

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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...
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Updated: Mar 22, 2026

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer
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Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer

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Lignin-Based Thermoplastic Materials.

Chao Wang1,2, Stephen S Kelley1, Richard A Venditti3

  • 1Department of Forest Biomaterials, North Carolina State University, Raleigh, NC, 27695, USA.

Chemsuschem
|April 10, 2016
PubMed
Summary
This summary is machine-generated.

Sustainable lignin-based thermoplastics offer biodegradable alternatives to petroleum plastics. This review covers methods like plasticization and chemical modification to enhance their processability and mechanical properties for diverse applications.

Keywords:
amorphous materialsligninsplasticizationpolymersthermoplastic elastomers

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Sustainable Materials

Background:

  • Lignin is a sustainable, cost-effective, and biodegradable resource.
  • Lignin's high glass-transition temperature and thermal instability limit its thermoplastic processing.
  • Lignin-based materials often suffer from brittleness and poor mechanical performance.

Purpose of the Study:

  • To review and consolidate reported strategies for developing improved lignin-based thermoplastic materials.
  • To highlight methods for overcoming the inherent limitations of lignin for thermoplastic applications.

Main Methods:

  • Plasticization of lignin.
  • Blending lignin with miscible polymers.
  • Chemical modification of lignin via esterification, etherification, polymer grafting, and copolymerization.

Main Results:

  • Various approaches effectively enhance lignin's thermoplasticity and mechanical properties.
  • Modified lignin-based materials demonstrate improved processability and reduced brittleness.

Conclusions:

  • Lignin-based thermoplastic materials can be engineered for enhanced performance.
  • These materials hold promise for applications in engineering plastics, foams, elastomers, and carbon-fiber precursors.