1、Recent progress in degradation and recycling of epoxy resin

Amine curing agent is the most common type of epoxy resin curing agents and approximately 71% of all epoxy resins are cured by amine curing agents. Therefore, it is crucial to study the degradation of amine-cured epoxy resins.

2、Associate Professor Guo

Herein, we show sharp “amine scissors” (originated from the reaction of diethylenetriamine and dichloromethane) with ultrahigh degradation degree of ∼ 100 % and fast degradation rate of 119.99 %...

3、Mechanochemical Recycling of Acid Anhydride

Abstract Epoxy resin (EP) is a widely used thermosetting resin. However, its cross-linked structure poses a big challenge for recycling into value-added products. This study advanced the recycling of acid anhydride-cured epoxy using solid-state shear milling (S3M) technology.

Zhangzhou's Recycling of Epoxy Curing Agents

As a specialized epoxy curing agent recycling manufacturer based in Huzhou, we not only focus on the efficient application of epoxy curing agents but also prioritize maximizing their recovery and reuse, thereby contributing to environmental protection.

Recycling Epoxy Curing Agents in Changsha

Despite many studies focusing on recovering fibers fromcomposites, few studies have focused on recycling the resin itself.In this study, we developed a new approach for recycling the decomposedamine-cured epoxy resin as an amine curing agent.

Fast and sustainable recycling of epoxy and composites using mixed

Herein, we report the fast and sustainable recycling of epoxy and composites by small-molecule assisted bond exchange reaction (BER) in a mixed solvent.

Zibo's Recycling of Epoxy Curing Agents

Amine curing agent is the most common type of epoxy resin curing agents and approximately 71% of all epoxy resins are cured by amine curing agents. Therefore, it is crucial to study the degradation of amine-cured epoxy resins.

Rapid repair and degradation: A study of high

To address this issue, this study prepared and synthesized a kind of vitrimer epoxy resin polymer material based on disulfide bonds with 2,2′-Diaminodiphenyl disulphide as the curing agent. The research investigated the impact of the curing agent ratio on the resin's structure and properties.

Epoxy Curing Agent Recycling Manufacturers in Yangpu

The properties of cured epoxy resins depend on the type of epoxy resin, curing agent, and curing process used. The toughness of epoxy resins can be improved by incorporating thermoplastic components, inorganics, carbon fibers, clay, and carbon nanotubes.

Zhuoli (Shanghai) Materials Co., Ltd.

Zhuoli (Shanghai) Materials Co., Ltd. is a commercial company focusing on silane products, lithium battery electrolyte additives, new flame retardants, graft compatibilists, waterborne epoxy resins and curing agents and waterborne polyurethanes.

In today’s society, with the rapid development of industry and advancements in technology, epoxy resin has emerged as a critical material widely used in fields such as electronics, aviation, automotive, construction, and more. As a key component of epoxy resin, curing agents play a vital role in applications and recycling processes. This article explores the recycling practices for epoxy resin curing agents in Shanghai, aiming to provide references for the sustainable development of related industries.

I. Background and Importance of Recycling Epoxy Resin Curing Agents in Shanghai

Epoxy resin curing agents are chemically active substances that typically exist in liquid form at room temperature. When mixed with epoxy resin, curing agents react with the resin’s epoxide groups to form stable polymers, completing the curing process. This reaction is essential for enhancing the mechanical properties, temperature resistance, and corrosion resistance of materials. as the applications of epoxy resin expand, the volume of discarded curing agents has increased, making effective recycling an urgent issue to address.

II. Current Status of Epoxy Resin Curing Agent Recycling in Shanghai

Shanghai has made progress in recycling epoxy resin curing agents. On one hand, the Shanghai Municipal Government prioritizes environmental protection and resource circularity, implementing policies to encourage enterprises and individuals to participate in recycling efforts. On the other hand, specialized institutions and companies have begun exploring recycling pathways for curing agents, leveraging technological methods to reutilize resources.

III. Technologies and Methods for Recycling Epoxy Resin Curing Agents in Shanghai

1. Physical Recovery Methods: These involve physical separation techniques such as filtration and centrifugation. due to the complex composition of curing agents, this approach struggles to achieve full separation, resulting in relatively low efficiency.

2. Chemical Recycling Methods: Through chemical reactions, components in curing agents are transformed into other substances for recycling. In Shanghai, some enterprises have adopted this method, using catalysts or altered reaction conditions to decompose or convert components.

3. Biodegradation Methods: A新兴 eco-friendly technique, biodegradation utilizes microorganisms to break down harmful substances into harmless ones. While still in experimental stages, this method holds promise for becoming an efficient and green recycling solution.

IV. Significance and Challenges of Recycling Epoxy Resin Curing Agents in Shanghai

Recycling epoxy resin curing agents in Shanghai reduces environmental pollution and resource consumption while fostering circular economies and green manufacturing. challenges remain:

• Technological Innovation: Enhancing efficiency and quality requires advanced R&D.
• Policies and Standards: Robust laws and regulations are needed to support recycling initiatives.
• Public Awareness: Educating society and raising awareness about the importance of recycling is crucial.

Recycling epoxy resin curing agents in Shanghai is a meaningful endeavor. Through technological innovation, policy guidance, and public engagement, Shanghai is poised to advance in this field. By working together, we can promote the green recycling of curing agents, contributing to a resource-efficient and environmentally friendly society.