1、Epoxy resins containing epoxy
In this study, we modified the side chain ends of PR with epoxy groups (PR-E) to enable incorporation into crosslinked epoxy networks. The chemical bonding of PR-E to the epoxy resins suppressed the local dynamics of the PCL graft chains and enhanced the mechanical properties.
2、改性环氧树脂_百度百科
环氧树脂改性的重点是：提高耐热性、耐燃性、延长使用期和贮存期、树脂单组分化、低粘度、低温固化性等。 改性环氧树脂用液体端羧基丁腈橡胶 (CTBN)增韧：一般添加量为10 %，其中CTBN的丙烯腈含量在18-30%较好，其中还可并用30%的二氧化硅，以避免加入CTBN后的强度降低。
3、Constructing High‐Performance Composite Epoxy Resins: Interfacial π‐π
In this study, a novel strategy is introduced, leveraging interfacial π-π stacking interactions to induce the “rolling behavior” of microsphere fillers, thereby facilitating efficient energy dissipation. This approach is corroborated through theoretical simulations and experimental validation.
4、Eco
To address these issues, in this study, we reported a facile and green approach for preparing epoxy-terminated polyurethane (EPU)-modified epoxy resins with different EPU contents. It was found that the toughness of the epoxy resin was significantly improved after the addition of EPU.
5、Research progress on polyurethane
This paper summarizes polyurethane-modified epoxy resins for pavement repair, referring to their mechanical properties, adhesive properties, durability and toughness, corrosion resistance, and heat resistance.
Advances in Toughening Modification Methods for Epoxy Resins: A
Following the systematic exposition of conventional experimental development and testing methodologies, this study provides a comprehensive synthesis of computational modeling techniques and machine learning applications in epoxy resin development and performance prediction.
Silicone Modified Epoxy Resins with Enhanced Chemical Resistance
Investigation the performance of resins synthesized with varying silicone/epoxy ratios. Li et al. (2015) performed a study on the modification of epoxy resins using organosilicon intermediates containing hydroxyl or amine groups. Synthesized via polycondensation. Figure 6.
Research progress on toughening modification of epoxy resin
Epoxy resin is a polymer material known for its high strength and rigidity,good chemical stability,and ease of processing.However,its brittleness seriously limits its applications.To address the toughening of epoxy resin,domestic and foreign scholars have conducted extensive research.The article mainly introduced the research progress on the ...
Modification of epoxy resins with functional silanes, polysiloxanes
Epoxy resins are very important and widely used thermosetting polymers that find many practical applications. Very often their properties can be effectively modified by an addition of reactive silanes, polysiloxanes, silsesquioxanes, silica, montmorillonite, and other fillers.
Study on the properties of chitosan
A series of chitosan-modified epoxy resins were synthesized using various structures of diisocyanates as crosslinkers, diglycidyl ether of bisphenol A (EP), and biomass chitosan as reaction raw materials. Compared to the traditional EP, all chitosan-modified epoxy resins exhibited excellent mechanical and corrosion resistance properties. Especially, CME/DDM and CHE/DDM exhibited outstanding ...
In the rapid development of modern industry, advancements in material technology have become a key force driving social progress. Among these, modified epoxy resins, as a class of high-performance materials, are highly favored for their excellent mechanical properties, chemical resistance, and electrical insulation. Located in the western part of Sichuan Province, Ya'an City not only boasts abundant natural resources but also nurtures uniquely modified epoxy resins, making significant contributions to the development of material science both in China and globally.
The unique geographical and climatic conditions of the Ya'an region provide unparalleled advantages for the production of modified epoxy resins. Situated on the western edge of the Sichuan Basin, the area features significant topographical variations and a subtropical humid monsoon climate characterized by distinct seasons and abundant rainfall. These distinctive natural conditions enrich the soil with various minerals and trace elements, which are indispensable raw materials for synthesizing high-quality modified epoxy resins.
The production process of Ya'an's modified epoxy resins involves complex transformations of raw materials into high-performance products. First, premium resin matrices such as phenolic resin or epichlorohydrin are selected for their excellent chemical stability and mechanical strength. Next, specific curing agents and accelerators are added to regulate the curing time and final properties of the resin. Finally, advanced modification techniques like filling, reinforcement, and surface treatment further enhance the comprehensive performance of the product.
Modified epoxy resins from Ya'an demonstrate unique advantages across multiple fields. In construction, their exceptional adhesive strength and compressive resistance make them ideal for reinforcing and repairing concrete structures, significantly extending the lifespan and safety of buildings. In the electronics and electrical sectors, their superior insulation and moisture resistance render them perfect for manufacturing circuit boards and cable sheaths, ensuring stable operation of electronic devices. Additionally, industries such as aerospace and automotive manufacturing widely adopt these resins due to their heat resistance and corrosion resistance.
The prominence of Ya'an's modified epoxy resins is closely tied to advanced technologies employed in their production. For instance, integrating nanotechnology effectively improves the mechanical properties and heat resistance of the resin, while biotechnology enables environmentally friendly enhancements to biocompatibility and biodegradability without compromising performance. These innovative approaches not only elevate product quality but also drive technological progress across the industry.
Looking ahead, with continuous technological advancements and growing market demands, Ya'an's modified epoxy resins will continue to play vital roles in diverse applications. Further research and innovation may yield more eco-friendly and high-performance products to meet evolving needs. As global emphasis on sustainable development and green manufacturing intensifies, Ya'an is poised to leverage its unique resources and industrial strengths to become a renowned production hub for modified epoxy resins domestically and internationally.
Modified epoxy resins from Ya'an are not only a pillar of the local economy but also a critical component of China's and the world's material science landscape. Through ongoing technological innovation and industrial upgrading, Ya'an's modified epoxy resin industry is set to assume an even more prominent role in future development, contributing greater value to societal advancement.
