1、油脂基聚氨酯改性脂肪胺水性环氧固化剂的合成及性能
粒径分析表明目标产物具有乳化液体环氧树脂的功能,其与环氧树脂EPON828复配制备的双组分水性涂料涂膜固化物,柔韧性达1mm、铅笔硬度达3H、耐冲击性达50kg/cm。
2、Development of waterborne epoxy
For this purpose, the NR latex was modified into three types of low molecular weight epoxidized natural rubber (LENR) latex. The waterborne epoxy resin was prepared by simply mixing the...
3、Stable waterborne epoxy resins: Impact of toughening agents on coating
Furthermore, we aim to develop a toughened, stable waterborne epoxy resin by copolymerizing bisphenol A, 1,4-butanediol-based dicarboxylic acid (CA-4) and a bisphenol A-based epoxy resin.
Epoxy Curing Agents
Amine curing agent technology for curing polyisocyanate resins. Amicure® IC series of products are specifically designed for use with polyisocyanate resins and other standard HDI trimer based polyisocyanates.
Study On Waterborne Epoxy Resin Curing Agent
Domestic researchers have developed waterborne epoxy resin curing agents with excellent performance.
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.
Preliminary Results on Preparation and Performance of a Self
Abstract: Polyethylene glycol 1000 (PEG1000) and epoxy resin E20 were used to synthesize the E20/PEG1000 polymer (EP1K), which was later transformed into a self-emulsifying water-based...
Epoxy Additives and Polyamides
Complex modified amines and polyamides capable of emulsifying and curing liquid epoxy resins at ambient temperature. Also used with solid resins including a high molecular weight waterborne dispersion included in this product guide. Used in aqueous and low-VOC coatings upon both concrete and steel.
High Performance Waterborne Coatings Based on Dispersions of a Solid
Most commercially available waterborne epoxy coat-ing systems are composed of a hydrophobic epoxy resin component and a hydrophilic, amine-functional curing agent.
Investigation of curing systems in modified epoxy anticorrosion
Based on the cross-linking reaction mechanism between epoxy resin and amine curing agents, the automatic cross-linking reaction between H64 and different curing systems was realized using the Perl script provided with Materials Studio.
In modern industry, optimizing material performance is a key driver of technological advancement. Epoxy resins are widely used in fields such as electronics, aerospace, automotive, and construction due to their excellent mechanical properties, electrical insulation, and chemical stability. traditional epoxy resin curing processes often involve environmental pollution and the emission of volatile organic compounds (VOCs), limiting their application in green manufacturing. To address this issue, the development and application of waterborne epoxy resin-modified fatty amine curing agents not only help resolve environmental concerns but also enhance the performance of materials.
The research and development of waterborne epoxy resin-modified fatty amine curing agents originated from the need to improve traditional epoxy curing agents, particularly in terms of environmental protection and sustainable development. With growing global environmental awareness, reducing hazardous emissions has become an inevitable trend in industrial development. developing an eco-friendly curing agent that maintains or improves the performance of epoxy resins while minimizing environmental impact holds significant practical and economic value.
Waterborne epoxy resins, which use water as a solvent, produce nearly zero VOCs during curing compared to traditional organic solvent-based epoxy systems. This greatly reduces harm to the environment and human health. Additionally, waterborne epoxy resins have lower viscosity and better fluidity, benefiting the uniformity and leveling of coatings.
Fatty amine curing agents are essential components in epoxy curing reactions. The primary amine groups in their molecular structure react with epoxide groups in the epoxy resin, forming stable cross-linked networks to achieve curing. Although fatty amine curing agents typically exhibit high reactivity, they also pose VOC challenges. In contrast, modified fatty amine curing agents incorporate hydrophilic groups, such as polyether chains or sulfonates, reducing VOC content while improving curing speed and efficiency.
The application prospects of waterborne epoxy resin-modified fatty amine curing agents are vast. In aerospace, these curing agents can be used to manufacture high-performance composite components, such as aircraft fuselages and engine parts, which require strength, heat resistance, and corrosion resistance. In the automotive industry, they can produce lightweight yet strong components, such as body structures and transmission parts, to improve vehicle performance and fuel efficiency. In construction, they can be employed to create high-performance materials like carbon fiber reinforcements and waterproof coatings, meeting modern demands for advanced building materials.
Despite their potential, challenges remain in the research, development, and application of waterborne epoxy resin-modified fatty amine curing agents. Cost control is critical for widespread adoption, as both waterborne epoxy resins and modified curing agents are relatively expensive. Reducing production costs to achieve economic feasibility is essential. Furthermore, formula optimization is needed to improve curing agent performance while lowering costs. Strengthening research and development of related equipment and technologies for large-scale industrial production is also necessary.
Looking ahead, waterborne epoxy resin-modified fatty amine curing agents are expected to see broad applications across industries. As technology advances and costs decline, these curing agents will increasingly align with green manufacturing requirements, contributing significantly to societal progress. Through continuous innovation and market expansion, waterborne epoxy resin-modified fatty amine curing agents are poised to become a major focus in the future of materials science.
