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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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Olefin Metathesis Polymerization: Overview

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Recently, the development of olefin metathesis polymerization advanced the field of polymer synthesis. Simply put, the reorganization of substituents on their double bonds between two olefins in the presence of a catalyst is known as the olefin metathesis reaction. The use of metathesis reaction for polymer synthesis is called olefin metathesis polymerization.
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Related Experiment Video

Updated: Jun 27, 2026

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

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

Published on: June 7, 2020

Co-consumption for plastics upcycling: A perspective.

Michael Weldon¹, Sanniv Ganguly¹, Christian Euler¹

¹Department of Chemical Engineering, University of Waterloo, Canada.

Metabolic Engineering Communications

|January 13, 2025

Summary

Microbial plastic degradation is too slow for industrial use, hindering a closed-loop system. Mixotrophic approaches using plastic byproducts like ethylene glycol may improve rates for viable industrial processes.

Keywords:

Carbon co-consumption Plastic upcycling Polyethylene terephthalate

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Area of Science:

Environmental Microbiology
Biotechnology
Polymer Science

Background:

The global plastic waste crisis poses significant environmental and health risks.
Microbial degradation and upcycling offer potential solutions for plastic waste management.
Industrial feasibility of these microbial processes requires thorough characterization.

Purpose of the Study:

To review and assess the feasibility of microbial plastic degradation and upcycling for a closed-loop system.
To identify the limitations hindering industrial application of these biotechnologies.
To explore strategies for enhancing microbial plastic transformation processes.

Main Methods:

Literature review of studies on microbial plastic degradation.
Analysis of microbial transformation pathways for plastic monomers into value-added products.
Comparative assessment of degradation and upcycling rates for industrial scalability.

Main Results:

Microbial plastic degradation is currently the bottleneck, with rates significantly lower than upcycling pathways.
Neither plastic degradation nor upcycling has achieved industrially viable rates.
Existing microbial processes are insufficient for large-scale plastic waste management.

Conclusions:

Closing the loop on plastic waste via microbial means is currently limited by slow degradation rates.
Further research into mixotrophic strategies, utilizing plastic degradation products like ethylene glycol, is recommended.
Optimizing microbial processes is crucial for developing sustainable industrial solutions for plastic pollution.