1、Synthesis and characterization of DOPO
By synthesizing a lignin-based epoxy resin and combining it with a DOPO-diamine compound (DDC), we have developed a novel bio-based epoxy resin that not only aligns with eco-friendly principles but also exhibits intrinsic flame retardancy.
2、Synthesis and characterization of DOPO
The DDC-cured lignin-based epoxy resin (DDC-LER) stands out for its exceptional thermal stability, with a high char yield of 38.78 % in nitrogen at 800 °C, outperforming the DDM-cured counterparts.
3、Effect of the Structure of Epoxy Monomers and Curing Agents: Toward
The effect of the structures of epoxy monomers and curing agents regarding the intrinsic thermal conductivity, dielectric proper-ties, insulation performance, thermomechanical properties, thermal stability, and hydrophobicity of the prepared epoxy resins was systematically explored.
Curing Agent: Types & Process of Curing Agents for Epoxy Resin
Explore the main types of curing agents & various crosslinking methods which help to improve the polymerization process to select the right curing agent for coating formulation.
Epoxy Curing Agents
This chapter focuses on epoxy curing agents, also known as curatives, which include crosslinkers and catalysts.
Synthesis and characterization of DOPO
In response to the urgent need for sustainable alternatives to petroleum-based resources, particularly in the production of traditional thermosetting epoxy resins, this study introduces a pioneering approach using alkali lignin as a renewable substitute for phenol and glyoxal for formaldehyde. By synthesizing a lignin-based epoxy resin and combining it with a DOPO-diamine compound (DDC), we ...
A phosphorus/silicon hybrid curing agent for epoxy resin
This study proposes an effective strategy for the development of high-performance epoxy resin curing agents, offering fresh perspectives for overcoming traditional performance trade-offs through molecular structure design.
Epoxy Curing Agents: A Comprehensive Understanding of Their
Explore the basic knowledge of epoxy curing agents, including their classification, working principle, wide application in construction, electronics, automotive and other industries, as well as market trends and the latest developments of environmentally friendly products.
Reaction mechanism, cure behavior and properties of a multifunctional
A novel resin system was prepared using the glycidyl amide type multifunctional epoxy resin N,N,N′,N′-tetraglycidyl-4,4′-diaminodiphenylmethane (TGDDM) and latent curing agent dicyandiamide (DICY).
Phosphorus
Study on synthesis of novel phosphorus-containing flame retardant epoxy curing agents from renewable resources and the comprehensive properties of their combined cured products
Epoxy curing agents are indispensable in the application of epoxy resins, determining whether the resin can successfully cure into hard, durable materials. Among them, DDC (diglycidyl bisphenol A) has garnered significant attention as an epoxy curing agent due to its excellent performance and broad application prospects. This article aims to delve into the characteristics, applications, and future development trends of epoxy curing agent DDC, providing references for researchers and practitioners in related fields.
Epoxy curing agent DDC is an important organic compound with a unique chemical structure and notable physical properties. The DDC molecule contains two glycidyl groups, which react with the epoxy groups in epoxy resins to form stable polymer chains, thereby achieving material curing. This cross-linking reaction enables the epoxy resin to rapidly harden under heating or radiation, forming a hard, wear-resistant, and corrosion-resistant composite material.
From a physical perspective, DDC exhibits good solubility and thermal stability. It dissolves in various organic solvents, such as alcohols, ketones, and ethers, facilitating mixing and dispersion during preparation. Additionally, DDC maintains stability at high temperatures without decomposing, ensuring the mechanical properties of the cured material.
In terms of chemical properties, DDC demonstrates high reactivity. It can undergo cross-linking reactions with multiple epoxy compounds, producing high-performance epoxy resins. Furthermore, DDC possesses excellent chemical resistance, retaining its performance even under harsh conditions. These traits make DDC an ideal choice for epoxy resin curing.
Epoxy curing agent DDC performs exceptionally well in practical applications. In the construction sector, DDC is used to manufacture high-strength concrete, mortar, and coatings, which exhibit superior performance under heavy pressure and impact. In the electronic packaging industry, potting compounds made with DDC offer excellent electrical insulation and thermal conductivity, widely applied in chip encapsulation and circuit board protection. In automotive manufacturing, DDC is employed to produce high-strength body and engine components that maintain performance in extreme environments.
with advancements in technology and shifting market demands, the application prospects of DDC continue to expand. Research on new DDC formulations emerges to meet higher-performance requirements. For example, modifications to molecular structures have led to DDC products with lower viscosity and higher heat resistance. Additionally, eco-friendly DDC development has gained attention, prioritizing environmentally friendly production processes with minimal ecological impact.
Looking ahead, research on epoxy curing agent DDC will deepen. On one hand, advancements in materials and technologies may further enhance DDC’s performance and broaden its application scope. On the other hand, growing environmental awareness will drive green and sustainable development in DDC research. Developing low-toxicity, low-emission DDC products could reduce environmental harm, achieving a win-win for economic and environmental goals.
As a critical factor in epoxy resin curing, the expanding performance and applications of DDC herald a promising future. Through ongoing research and technological innovation, DDC is poised to play a pivotal role in more fields, advancing materials science and engineering.
