1、Phenolic fatty acid

Cured epoxy films prepared from purified PBC-FAA exhibited antimicrobial activity against Listeria innocua. However, the crude, unpurified PBC-FAA-cured epoxy film showed much more promising antimicrobial activity against both Listeria innocua (Gram positive) and Escherichia coli (Gram negative). 1. Introduction.

2、Journal of Applied Polymer Science

Developing effective latent curing agent for rapid curing of epoxy resins at low temperatures remains challenging. This study reports a latent curing agent, ortho-cresol phenolic epoxy resin-bisphenol A (EOCN-BPA), prepared through the addition reaction of o-methyl phenolic epoxy resin with BPA.

3、The epoxy resin system: function and role of curing agents

This review focused on the most recent advancements in curing techniques, emphasizing their thermal and mechanical properties. The review also presents a critical discussion of key aspects and bottleneck or research gap of the application of curing agents in the industrial areas.

A latent curing agent for rapid curing of phenolic epoxy resin at low

Developing effective latent curing agent for rapid curing of epoxy resins at low temperatures remains challenging. This study reports a latent curing agent, ortho‐cresol phenolic...

A latent curing agent for rapid curing of phenolic epoxy resin

Developing effective latent curing agent for rapid curing of epoxy resins at low temperatures remains challenging. This study reports a latent curing agent, ortho-cresol phenolic epoxy resin-bisphenol A (EOCN-BPA), prepared through the addition reaction of o-methyl phenolic epoxy resin with BPA.

Study on the curing behavior of polythiol/phenolic/epoxy resin and the

Phenolic/epoxy resin (EP-PF) composites were prepared, in which phenolic resin and epoxy resin was used as matrix, polythiol and triethanolamine as curing accelerators. The uniform experimental design method was used to obtain the scheme, in which the resin system had minimum curing temperature.

Advances in Phenolic Resin as a Curing Agent for Epoxy Resin, Part I

This article reviews the advances in the addition-cure type phenolic resin for epoxy resin especially by focusing on the CAS registration number which identifies the chemical structure of phenolic resin.

Curing reactions of epoxy powder coatings in perspectives of chemical

The properties of the cured products of epoxy powder coatings are dominated by the curing systems. This review discusses the types, reaction principles, characteristics of curing agents and accelerators that participate in the curing reaction with different epoxy resins.

Preparation of phosphorus‐containing phenolic resin and its application

For the sake of improving the flame retardancy of epoxy resin (EP), a novel phosphorus-containing phenolic resin (PPR) synthesized in our group instead of conventional phenolic resin (PR) was used to cure EP in the present research.

Study on the synergistic effect of novel phenolic curing agent

In this study, in order to obtain the cured epoxy with good toughness, heat resistant and high adhesive strength, a phenolic curing agent based on phenylene ether was used to cure AFG-90 H epoxy resin at first, which was prepared from resorcinol, formaldehyde and diphenyl ether.

In modern industry, advancements in materials science have provided a robust platform for the development of high-performance composite materials. Among these, epoxy resins—a critical class of organic polymers—are widely utilized in electronics, aerospace, automotive, construction, and other fields due to their excellent mechanical properties, electrical insulation, and chemical stability. Phenolic resins, another category of thermosetting polymers, are valued for their exceptional heat resistance and flame retardancy, making them indispensable in applications with stringent performance requirements. The combination of phenolic and epoxy resins yields composite materials with remarkable properties.

Phenolic-Epoxy Composites: A Synergistic Blend Phenolic-epoxy composites are formed by blending phenolic resins with epoxy resins through specific chemical reactions. Their preparation involves multiple reactions: hydroxyl groups in phenolic resins react with epoxide groups in epoxy resins, while aromatic rings in phenolic resins crosslink with benzene rings in epoxy resins. These interactions enhance mechanical strength, thermal stability, and electrical insulation properties.

Mechanical Performance

The incorporation of phenolic resins significantly improves the composite’s strength and hardness. Phenolic resins increase toughness and impact resistance, enabling the material to withstand external forces without fracturing. Additionally, epoxy resins enhance wear resistance and durability, prolonging the material’s lifespan.

Thermal Stability

Phenolic-epoxy composites exhibit superior heat resistance. Phenolic resins maintain stability at high temperatures, while epoxy resins further elevate the material’s thermal tolerance, preventing deformation or degradation in extreme conditions. This characteristic is critical for applications in high-temperature environments.

Electrical Insulation

The electrical insulation properties of phenolic-epoxy composites are notably enhanced. Epoxy resins, with their molecular structure facilitating charge delocalization, inherently reduce resistivity. The addition of phenolic resins amplifies this effect, expanding their utility in electrical equipment.

Practical Applications

Phenolic-epoxy composites have been successfully deployed in aerospace, automotive manufacturing, and electronics. For example:

• Aerospace: Used in aircraft engine casings and fuselage structures to reduce weight and improve fuel efficiency.
• Automotive: Applied in vehicle frames and chassis components to enhance safety and durability.
• Electronics: Employed in circuit boards and connectors for high-speed operation and reliability.

Challenges and Future Outlook

Despite their advantages, phenolic-epoxy composites face challenges related to high costs and processing complexity. To optimize their potential, research focuses on:

• Adjusting resin ratios to balance mechanical and thermal properties.
• Improving production processes to reduce costs and increase efficiency.
• Exploring new application areas to broaden market adoption.

As technology advances, phenolic-epoxy composites are poised to play an increasingly vital role in high-performance materials, addressing evolving industrial demands and unlocking new possibilities.