1、Comprehensive properties analysis of epoxy composites synergistically
In this work, a comprehensive investigation was conducted to analyze the dielectric, and mechanical properties of epoxy resin (EP) composites filled with hydroxyl-terminated liquid nitrile rubber (HTBN) and/or hydroxyl-terminated polyethersulfone (PES).
2、液体端羟基丁苯橡胶改性环氧树脂研究
Abstract: Liquid hydroxyl-terminated polybutadiene (HTBS) was employed to modify epoxy (EP) at presence of benzyldimethylamine to improve the brittleness and resistivity of epoxy. This paper investigated the thermal stability, morphology, mechanical, and electrical properties of HTBS modified EP.
3、Influence of addition of hydroxyl
Influence of addition of hydroxyl-terminated liquid nitrile rubber on dielectric properties and relaxation behavior of epoxy resin | IEEE Journals & Magazine | IEEE Xplore
4、Synthesis and Properties of Epoxy Resin Modified with Novel Reactive
In this work, the influence of the new epoxy-containing liquid rubber-based modifiers on the thermal and mechanical properties of the cured epoxy resins was investigated.
5、Advances in Liquid Crystal Epoxy: Molecular Structures, Thermal
This article provides a comprehensive review on recent advances in liquid crystal epoxy, emphasizing the correlation between liquid crystal epoxy's microscopic arrangement, organized mesoscopic domain, k, and relevant physical properties.
Epoxidized hydroxyl
Epoxidized hydroxyl terminated polybutadiene liquid rubber introduces epoxy groups into the main chain of hydroxyl terminated polybutadiene (HTPB), which can effectively improve molecular polarity and reactive functional groups.
Enhanced mechanical and dielectric properties of an epoxy resin
Here we investigate rubber toughened EP based on a non-polar hydroxyl terminated polybutadiene (HTPB), and a coupling agent, dimer fatty acid diisocyanate (DDI), in which the rubber is covalently bonded to the epoxy.
Dielectric Relaxation Characteristics of Epoxy Resin Modified with
These results can provide a reference and theoretical guidance for the assessment of dielectric properties and the improvement of the formulation of liquid-rubber-toughened epoxy resin.
(PDF) Synthesis and Properties of Epoxy Resin Modified with Novel
In this work, the influence of the new epoxy-containing liquid rubber-based modifiers on the thermal and mechanical properties of the cured epoxy resins was investigated.
Journal of Applied Polymer Science
In the present study, hydroxyl-terminated polybutadiene (HTPB) liquid rubber was employed to modify epoxy resin using 2,4,6-tri (dimethylaminomethyl) phenol as a catalyst, and methyl hexahydrophthalic anhydride as a curing agent.
In the field of modern materials science, epoxy resins are highly regarded for their excellent adhesive properties, mechanical strength, and chemical stability. traditional liquid epoxy resins often exhibit significant shrinkage after curing, which limits their application in complex structural components. To overcome these limitations, liquid hydroxyl-terminated epoxy resins (LHTER) have been developed. This innovative material introduces hydroxyl-terminal functional groups, optimizing its chemical properties while significantly enhancing its mechanical performance and environmental adaptability.
The preparation of LHTER involves sophisticated chemical reactions. First, a suitable epoxy resin with good mechanical properties and chemical stability is selected as the base resin. Under specific catalysts, the epoxide groups in the resin are converted into reactive hydroxyl terminals. The choice of catalyst is critical, as it determines the number and distribution of hydroxyl groups, directly impacting the final product’s performance.
The incorporation of hydroxyl groups offers numerous benefits. First, they react with various curing agents to form cross-linked networks, endowing the material with superior mechanical strength and durability. Second, due to the polarity and hydrophilicity of hydroxyl groups, LHTER demonstrates excellent adhesion and corrosion resistance in humid or water-rich environments. Additionally, its thermal stability is notably improved, maintaining robust performance under high-temperature conditions.
In practical applications, LHTER is widely used in aerospace, automotive manufacturing, building reinforcement, and other fields. For example, in aerospace, it is employed in aircraft structural components such as wings and fuselages to provide higher strength and corrosion resistance. In the automotive industry, it is utilized in engine mounts and transmission parts to ensure stability and reliability under harsh conditions.
Despite its advantages, LHTER faces challenges, including relatively high costs, which limit its widespread adoption. for specialized applications (e.g., extreme environmental conditions), further modifications may be required to enhance performance.
Looking ahead, LHTER holds vast potential for research and application. With advancements in material technologies, this material is expected to play an increasingly critical role in future scientific and engineering innovations. Further development could enable more cost-effective and higher-performance LHTER solutions to meet growing market demands.
As an innovative material, LHTER has transformed the performance of traditional epoxy resins while opening new opportunities in materials science and engineering. With ongoing technological progress and expanding markets, LHTER is poised to become a cornerstone in the future of advanced materials.
