1、Achieving higher performances without an external curing agent in
In this study, we developed a facile strategy to achieve a high-performance fully bio-based epoxy thermoset without external curing agent.
2、Epoxy curing in mild and eco
In this context, this review aims at underlining the increasing importance of epoxy curing under mild conditions, in possible combination with bio-based monomers for bisphenol-A replacement and to guide both researchers and industries to explore and develop new curing systems.
3、Epoxy Resins Without Curing Agents
The Schiff base structure is introduced into epoxy oligomers, enabling the self-curing of epoxy resins solely through heating, without the need for curing agents, catalysts, or active hydrogen, resulting in a novel functional class of self-curing epoxy resins.
4、The epoxy resin system: function and role of curing agents
Curing agents are critical components of aqueous epoxy resin systems. Unfortunately, its uses and applications are restricted because of its low emulsifying yields. Epoxy resins are frequently used in electrical devices, castings, packaging, adhesive, corrosion resistance, and dip coating.
Epoxy resins: Types, properties, applications, and
Learn about epoxy resins, their chemistry, properties, applications, and sustainability trends, to be able to select the right grade from 1,600+ options.
Substituting the epoxy curing agent with a greener solution
The use of bio-degradable curing agents in epoxy resins shows a prominent step towards more environment friendly and sustainable materials. There are still various challenges to overcome, such as cost and availability but the environmental impacts are very significant.
Chemistry and Types of Epoxy Resins
The chapter begins by discussing the fundamental chemical principles underlying the formation of epoxy resins, including the ring-opening polymerization of epoxide monomers and the role of curing agents in the crosslinking process.
Thermal curing of epoxy resins at lower temperature using 4
To expand the application fields of epoxy resins, there has been a growing demand for thermal latent curing agents that combine a lower curing temperature with a long storage lifetime for a one-component epoxy formulation.
Broch. EPOXY Engels
The choice of curing agent is of paramount importance in designing an epoxy resin for a given application. The major reactive groups in the resin – the epoxide or hydroxyl groups – can react with many other groups so that many types of chemical substances can be used as curing agents.
Heterogeneous dynamics in the curing process of epoxy resins
In this study, the microscopic dynamics in the curing process of a catalytic epoxy resin were investigated under different temperature conditions utilizing X-ray photon correlation...
In numerous fields of modern building materials, epoxy resins have become indispensable due to their exceptional physical and chemical properties, widely used in industries such as construction, automotive, and aerospace. with advancements in technology and growing environmental awareness, there has been a shift toward exploring methods for applying epoxy resins without traditional curing agents. This approach aims to achieve higher environmental friendliness and cost-effectiveness. This article investigates the potential applications and transformative impact of this novel type of epoxy resin.
The Relationship Between Traditional Epoxy Resins and Curing Agents
Traditional epoxy resin systems require the addition of curing agents to transition from a liquid to a solid state, a process typically accompanied by heat generation. Curing agents initiate essential chemical reactions that enable the epoxy resin to harden into a robust structure. the use of curing agents not only increases costs but may also lead to environmental pollution, as certain curing agents contain volatile organic compounds (VOCs), posing risks to both the environment and human health.
Exploration of Novel Epoxy Resins
To reduce environmental burdens, scientists have begun seeking alternatives to curing agents. One approach involves using catalysts to accelerate the curing process of epoxy resins. For example, the addition of specific metal ions or the application of nanotechnology can promote cross-linking reactions in epoxy resins, enabling curing without or with minimal use of curing agents. Additionally, research focuses on developing self-healing epoxy resins, which can autonomously repair damage, thereby reducing reliance on curing agents.
Application Prospects for Novel Epoxy Resins
Although fully curing-agent-free epoxy resin products have yet to be commercialized widely, the research and application prospects of these新材料 are promising. In construction, such epoxy resins could be used to manufacture lighter, stronger, and more durable structures while reducing energy consumption and carbon emissions. In the automotive industry, they could create lighter and more robust vehicle components, improving fuel efficiency and performance. In aerospace, these materials might enable the production of lighter, more heat-resistant, and corrosion-resistant parts to meet extreme operational demands.
Challenges and Future Outlook
Despite the optimistic prospects, challenges remain. First, ensuring that these新材料 perform as well as or better than traditional epoxy resins is critical. Second, the complex manufacturing processes of novel materials may lead to higher production costs, potentially limiting their market competitiveness. Finally, public awareness and acceptance of new materials significantly influence their adoption.
Looking ahead, continuous technological innovation holds promise for realizing curing-agent-free epoxy resins. This could revolutionize industries such as construction, automotive, and aerospace, driving sustainable development. it would offer new solutions to environmental pollution, contributing to global green initiatives.
exploring epoxy resins without curing agents is a challenging yet visionary endeavor. With ongoing research and technological progress, we can anticipate more environmentally friendly, efficient, and economical epoxy resins, ultimately benefiting human society and the planet.
