1、The epoxy resin system: function and role of curing agents
The performance of the new hardening in curing agent formulations with epoxy resin system is summarised in this review article. This hardening is intended for use in cementitious applications in industrial markets.
2、Bio
Herein, a novel bio-based curing agent, PA–DAD, has successfully been developed for EP that provides both mechanical reinforcement and flame retardancy. This agent was prepared via a straightforward neutralizing process between phytic acid (PA) and 1,10-diaminodecane (DAD).
3、Components of Hydrogenated Petroleum Resin Curing Agent
Hydrogenated Petroleum Resin (Hydrogenated C5/C9 Resin, Saturated Hydrocarbon Resin):Produced by hydrogenating petroleum resin, converting unsaturated hydrocarbons into saturated ones, enhancing color stability, odor reduction, and weather resistance.
4、(PDF) Hydrogenation Process for Producing Light Petroleum Resins as
The hydrogenation of petroleum resins (PRs) and the possibilities of using light hydrogenated PRs as components of hot-melt adhesives and pressure-sensitive adhesives have been surveyed.
5、Synthesis and curing properties of fluorinated curing agent for epoxy
A novel fluorinated diamine curing agent (AFPCO) was synthesized from natural isoflavone daidzein, used to cure hydrogenated epoxy resin (DGEHBPA) and tested against commercially available DGEHBPA cured with 4,4′-diaminodiphenylmethane (DDM).
High
In this study, urea formaldehyde resin with high temperature resistance and strength was used as the main raw material, and the curing conditions were optimized and adjusted by adding a variety of additives.
Innovative Epoxy Resin Formulation
The resin formulation was cured through polymerization process using an amine curing agent to improve properties even further. The final cured polymer was then analyzed through DSC, TGA, and SEM experiments.
Resins and curing agents in epoxy system formulations
For choosing curing agents, there are a few options to consider while formulating an epoxy system, which can help in attaining the desired properties in a wide range of applications. Here are some of the options:
Petroleum Resin
The petroleum resin generally has a tackifying effect and is suitable for use in paints and varnishes, coatings, printing ink, lithographic inks, paper, adhesives, rubber, concrete-curing compounds, and other areas where tackiness is required, literally in thousands of applications [1, 2].
Applications of Hydrogenated Petroleum Resin Curing Agents
Hydrogenated Petroleum Resin (Hydrogenated C5/C9 Resin, Saturated Hydrocarbon Resin):Produced by hydrogenating petroleum resin, converting unsaturated hydrocarbons into saturated ones, enhancing color stability, odor reduction, and weather resistance.
In modern industry, epoxy resins are widely used in composites, coatings, adhesives, and other fields due to their excellent physical and chemical properties. the curing process of epoxy resins typically requires high-temperature and high-pressure conditions, which limits their application in many scenarios. Hydrogenated petroleum resin, as a novel curing agent for epoxy resins, has garnered significant attention due to its lower curing temperature and superior mechanical properties. This paper explores the formulation and applications of hydrogenated petroleum resin as a curing agent.
1. Overview of Hydrogenated Petroleum Resin
Hydrogenated petroleum resin is a type of petroleum resin treated via hydrogenation. Its molecular structure contains a higher proportion of saturated hydrocarbon chains, enabling it to exhibit lower activation energy during the curing process. This allows curing to occur at lower temperatures. Additionally, hydrogenated petroleum resin demonstrates excellent chemical resistance, oil resistance, and humidity/heat resistance, ensuring stable performance in harsh environments.
2. Formulation of Hydrogenated Petroleum Resin Curing Agent
The formulation of hydrogenated petroleum resin curing agents primarily consists of hydrogenated petroleum resin, curing accelerators, and fillers. Hydrogenated petroleum resin is the core component, and its content directly affects the performance of the curing agent. Curing accelerators provide necessary energy during the curing process, speeding up the resin’s reaction. Fillers improve the mechanical properties of the curing agent, enhancing its wear resistance and impact resistance.
3. Applications of Hydrogenated Petroleum Resin Curing Agent
1. Composite Materials Manufacturing
Hydrogenated petroleum resin curing agents are extensively used in composite materials manufacturing. Due to their excellent mechanical properties and corrosion resistance, they are widely applied in aerospace, automotive manufacturing, shipbuilding, and other fields. For example, in aircraft fuselage manufacturing, hydrogenated petroleum resin curing agents can be used to produce high-strength, lightweight composite components.
2. High-Performance Coatings
Hydrogenated petroleum resin curing agents also play a critical role in high-performance coatings. With their strong adhesion and wear resistance, they can replace traditional phenolic resin coatings in applications such as anticorrosion coatings and wear-resistant floor coatings. These coatings are highly valuable in industrial equipment and building surfaces.
3. Adhesive Preparation
Hydrogenated petroleum resin curing agents can also be used to manufacture various adhesives, such as epoxy resin adhesives and polyurethane adhesives. These adhesives are widely used in electronic encapsulation, medical devices, furniture manufacturing, and other industries.
As an emerging epoxy resin curing agent, hydrogenated petroleum resin offers advantages such as low curing temperatures and excellent mechanical properties. With the growing demand for high-performance materials in industry, the application prospects of hydrogenated petroleum resin curing agents will expand significantly. To fully realize their potential, continuous optimization of formulations and improvement of product quality and performance are essential to meet the diverse needs of different fields.
