Epoxy resins have excellent mechanical properties, electrical insulation properties, adhesive properties and chemical stability and are used in a wide range of applications such as composite materials, electronic packaging materials, coatings and adhesives. The growing global demand for clean energy such as wind power is driving the production and application of epoxy resins. Production of epoxy resin composites for wind turbine blades is growing rapidly. However, a large number of epoxy resins and their composites are about to be retired as new products are upgraded and reach the end of their service life. How to achieve green, efficient and high-value recycling of epoxy resins and their composites from the perspective of environmental protection and resource utilization is a major challenge nowadays.
The innovative achievements and impacts of Wang Yuzhong’s team in the field of recycling of epoxy resins and their composites have been recently invited by Materials Today, a top international journal in the field of materials, to write a review paper summarizing the current status of research on the recycling of epoxy resins and their composites, and in particular, based on the team’s research results in this field, suggesting the use of recycling strategies and methodological terms for The paper summarizes the current state of research on the recycling of epoxy resins and their composites. approaches of existing thermosets) for epoxy resins are reviewed, providing insight into both physical and chemical recovery methods.
In addition, the paper highlights important but easily overlooked issues in chemical recovery processes, including the enhancement of mass and heat transfer in degradation processes, the importance of solvent effects in separation processes, the need to make full use of waste components in recovery design and the balance between economic and environmental aspects of upcycling. The authors also point out that the SRS strategy can achieve “closed-loop” recycling of epoxy resins, but how to improve the overall performance while maintaining reversible dynamic properties is the key to future research.
This is an important research direction for the up-cycling of epoxy resins. The authors propose an application-oriented approach to chemical recovery, which should combine selective degradation and efficient reconstitution; the development of selective catalysts and functional solvents, new reconstitution methods for the full utilization of degradation products and the full recovery of multi-component epoxy resin materials are the focus and key of future research.
YQXPOLYMER cited from王玉忠院士团队Materials Today综述：环氧树脂及其复合材料的回收-四川大学化学学院 (scu.edu.cn)
More information about epoxy resin, please contact us via email: sales@yqxpolymer.com, or voice to us at: +86-28-8411-1861.
Some pictures and texts are reproduced from the Internet, and the copyright belongs to the original author. If there is any infringement, please contact us to delete.
