1、Epoxy curing in mild and eco

Consequently, there is a necessity to advance the development of epoxy-amine systems that can cure under mild conditions, while also exploring alternatives derived from renewable sources for both curing agents and epoxy resins.

2、Preparation of composite epoxy networks by eco

The incorporation of environmentally friendly curing agents in epoxy resins has the potential to significantly reduce the carbon footprint and decrease health risks to living organisms.

3、Epoxy curing agents

Harness the power of innovation with our premium epoxy curing agents designed to meet the diverse needs of modern industries. At Evonik Crosslinkers, we leverage advanced technologies to develop high-performance curing agents that enhance productivity, durability, and sustainability.

4、The Most Eco

Consequently, there is a necessity to advance the development of epoxy-amine systems that can cure under mild conditions, while also exploring alternatives derived from renewable sources for both curing agents and epoxy resins.

Eco

To overcome this dilemma, the liquid amine curing agent AEESN was synthesized from bio-based eugenol and cysteamine, and then furnished the polymerization with three epoxy monomers, viz. DGEBA, TGAP, and TGDDM, respectively.

Preparation of composite epoxy networks by eco

Explores sustainable alternatives to petroleum-based curing agents in epoxy resins. ZIF with amine groups as eco-friendly curing agents was synthesized and functionalized.

Epoxy curing in mild and eco

Addressing this problem, recent years have witnessed the emergence of curing methods under mild and ecofriendly conditions, aligning with societal and ecological challenges. Mild conditions were delineated in this review as a polymerization without solvent and at temperatures not exceeding 80 °C.

Waterborne Epoxy Curing Agents: An Emerging Eco

Waterborne epoxy curing agents are novel environmentally friendly materials produced by modifying traditional amine-based curing agents with hydrophilic groups.

Recent Developments on Biobased Curing Agents: A Review of Their

In order to achieve the desired properties, uncured epoxy resins must be converted to hard, infusible, thermoset networks in the presence of a variety of curing agents, also known as hardeners. This paper reviews recent advances in the development of curing agents from renewable materials.

Evaluation of Novel Bio

In order to obtain an environmentally friendly epoxy system, L-tryptophan and guanine were investigated as novel green curing agents for the cross-link of diglycidyl ether of Bisphenol A (DGEBA) as a generic epoxy resin model of synthetic and analogous bio-based precursors.

In today’s society, with the growing awareness of environmental protection, there is increasing concern about the environmental impact of products and production processes. In the field of materials science, epoxy resins—widely used as adhesives and coating raw materials—pose significant environmental challenges due to the choice of curing agents. This paper aims to explore the most eco-friendly epoxy curing agent and analyze its environmental advantages in practical applications.

I. Limitations of Traditional Epoxy Curing Agents

Traditional epoxy curing agents, such as polyamines, acid anhydrides, and imidazole-based compounds, while effective in promoting resin curing, raise substantial environmental concerns. For instance, polyamine curing agents release ammonia gas during use, which is harmful to human health and pollutes the environment. Acid anhydride curing agents, when decomposed at high temperatures, produce toxic gases, posing risks to operators’ safety.

II. The Rise of Novel Eco-friendly Epoxy Curing Agents

To address these environmental issues, researchers have developed new eco-friendly curing agents. In recent years, waterborne polyurethane (WPU)-based curing agents have gained prominence due to their low volatile organic compound (VOC) emissions, low toxicity, and biodegradability, positioning them as one of the most sustainable options.

III. Environmental Advantages of WPU Curing Agents

1. Low VOC Emissions: WPU curing agents emit significantly fewer VOCs compared to traditional polyamine and acid anhydride curing agents. This reduces indoor air pollution and minimizes harm to both the environment and human health.

2. Reduced Toxicity: WPU curing agents exhibit lower toxicity than conventional alternatives. Their molecular structure includes hydrophilic groups that absorb moisture from the air, reducing contact with the atmosphere and limiting the release of toxic substances.

3. Biodegradability: Under specific conditions, WPU curing agents can fully or partially degrade into harmless substances like water and carbon dioxide. This ensures they do not cause long-term environmental damage, supporting material recyclability.

4. Economic Viability: Although initial research and development costs for WPU curing agents may be higher, their long-term environmental and economic benefits surpass traditional options. Using WPU curing agents mitigates pollution-related financial losses and helps enterprises build green brand identities.

IV. Application Prospectives of WPU Curing Agents

Despite their environmental advantages, WPU curing agents face technical challenges, such as improving temperature resistance, mechanical strength, and compatibility with other materials. Addressing these issues requires focused research. Additionally, governments and industries must invest in R&D and promote the adoption of WPU curing agents across sectors.

Waterborne polyurethane (WPU) curing agents, with their low VOC emissions, reduced toxicity, and biodegradability, represent a leading eco-friendly solution for epoxy resin applications. While challenges remain, overcoming technical hurdles and accelerating innovation could make WPU curing agents the mainstream choice for epoxy systems. Collaborative efforts to advance research and implementation will drive sustainable development in the epoxy resin industry.