1、Research Progress in Waterborne Epoxy Resin Curing Agent
The effect of the compatibility and reactivity of waterborne epoxy curing agents on the curing films and its control methods were also discussed，which provided guidance for selection of suitable curing agents and development of waterborne epoxy curing agent with excellent performance.
2、Synthesis of a waterborne epoxy curing agent based on
Polyether polyols can improve the performance of waterborne epoxy curing agent. In this paper, intermediates were synthesized from polyether triols with epoxy resin E-51 and introduced into the epoxy curing agent by reacting with TETA.
3、Stable waterborne epoxy resins: Impact of toughening agents on coating
The subsequent discussion focuses on the dynamic mechanical properties of the waterborne epoxy cured films and the low-temperature film-forming capabilities of the waterborne epoxy varnishes; it is concluded with an assessment of the application performance of the waterborne epoxy metal primers.
4、Preliminary Results on Preparation and Performance of a Self
The coating properties of the waterborne epoxy varnish, which was based on water-based epoxy curing agents to emulsify and cure the resin E44, were systematically tested.
Synthesis of a self‐emulsifiable waterborne epoxy curing agent
The cured film prepared by the self-emulsifiable curing agent and epoxy resin under the optimal mass ratio displayed good thermal property, hardness, toughness, adhesion, and corrosion...
Synthesis and properties of a nonionic water
Water-based epoxy curing agents can be divided into two categories: type I and type II. Type I epoxy systems require their curing agents to have the functions of curing and emulsifying. The epoxy resin is a liquid or emulsion, and the curing agent is a water-soluble amine curing agent.
Synthesis of a waterborne epoxy curing agent based on
Article "Synthesis of a waterborne epoxy curing agent based on polyether triols and its application in 2K waterborne epoxy coatings" Detailed information of the J-GLOBAL is an information service managed by the Japan Science and Technology Agency (hereinafter referred to as "JST").
Waterborne Epoxy Curing Agents: An Emerging Eco
Waterborne epoxy curing agents represent an important trend toward environmental sustainability and high-end development in the epoxy industry. Although their current market share is modest, their growth potential is undeniable.
Fabrication of a nonionic self
The 2K waterborne epoxy coating film prepared by the as-prepared nonionic self-emulsifiable curing agent and E51 displayed better thermal property, surface appearance, flexibility, impact resistance, adhesion, and chemical corrosion resistance.
Journal of Applied Polymer Science
The 2K waterborne epoxy coating film prepared with polyether triols-modified waterborne epoxy curing agent exhibits desirable corrosion protection capacity and neutral salt spray resistance up to 600 h.
In modern industry, advancements in materials science have unlocked unprecedented possibilities for manufacturing various products. Among these, epoxy materials have gained significant attention due to their excellent properties and widespread applications. Epoxy resin, a thermosetting polymer with a highly cross-linked structure, undergoes a liquid-to-solid transformation through chemical reactions, securing its irreplaceable role in numerous fields. the curing process of epoxy materials often involves high temperatures and organic solvents, which not only increase production costs but also impose environmental burdens. Consequently, developing an eco-friendly and efficient waterborne epoxy curing agent has become a compelling topic for exploration.
A waterborne epoxy curing agent is a novel type of epoxy curing agent that uses water as a solvent or diluent. This approach not only reduces environmental risks during application but also simplifies operational procedures. Compared to traditional solvent-based epoxy curing agents, waterborne epoxy curing agents offer distinct advantages:
- Environmental Friendliness: By employing water as the solvent or diluent, waterborne epoxy curing agents significantly reduce emissions of harmful volatile organic compounds (VOCs), aligning with contemporary environmental protection standards. Additionally, wastewater generated during production can be treated easily to meet discharge criteria, avoiding pollution issues associated with organic solvents used in conventional curing agents.
- Safety: The low toxicity and harmlessness of waterborne epoxy curing agents eliminate concerns about hazardous substances for workers. Furthermore, their low vapor pressure substantially reduces fire risks during the curing process.
- Ease of Application: The relatively low viscosity of waterborne epoxy curing agents facilitates mixing and coating, greatly simplifying construction. their rapid curing speed enables quick solidification of coatings, enhancing production efficiency.
- Cost-Effectiveness: While initial investments may be higher, long-term savings are achievable through reduced maintenance costs and environmental management expenses. Additionally, waterborne epoxy curing agents typically cost less than traditional solvent-based alternatives, offering clear economic benefits.
Despite these advantages, waterborne epoxy curing agents still face challenges in specific applications. For instance, their thermal resistance is often limited, necessitating the addition of heat-resistant additives to improve performance. Additionally, high-performance waterborne epoxy curing agents may require further formulation optimizations to enhance mechanical strength and chemical resistance.
To maximize the benefits of waterborne epoxy curing agents and overcome practical challenges, the following efforts are critical:
- Develop New Heat-Resistant Additives: Improving the design of heat-resistant additives can enhance the thermal stability of waterborne epoxy curing agents, expanding their applicability.
- Optimize Formulations: Tailoring formulations to different application scenarios can improve key properties such as mechanical strength and chemical resistance.
- Strengthen Market Adoption: Collaborating with industry experts to research and promote applications of waterborne epoxy curing agents can boost market recognition.
- Prioritize Sustainability: Emphasizing resource conservation and recycling during product development and production can drive the entire industry chain toward greener, more sustainable practices.
waterborne epoxy curing agents, as eco-friendly and efficient materials, are playing an increasingly vital role in modern industry. With technological progress and societal advancements, it is anticipated that innovative products and technologies will emerge, delivering greater convenience and welfare to humanity.
