1、Research progress on modification of phenolic resin

Phenolic resin has become an indispensable polymer material in the fields of electronics, machinery, construction, aerospace, military and defense [8]. In order to meet the constantly updated needs of these high-tech fields, a large number of modification researches have been carried out on phenolic resins.

2、Study on Modification of Epoxy Resin Reinforcing Adhesive Commonly Used

Epoxy resin reinforcing adhesive has become the most commonly used reinforcing adhesive in the aerospace field because of its wide bonding range, high bonding strength, small coefficient of thermal expansion, and no volatile substances after curing. At present, the mainly used epoxy adhesives, such as DG-4, HY-916, etc., are all two-component adhesives, which need to be mixed before use ...

3、Advances in Toughening Modification Methods for Epoxy Resins: A

This work provides a comprehensive review of the recent advancements in the toughening modification methods for epoxy resins. The study explores a variety of approaches, including the incorporation of liquid rubbers, core–shell rubber particles, thermoplastic resins, hyperbranched polymers, and the nanoparticle toughening method, each of which contributes to improving the mechanical ...

Research status of mechanical modification of epoxy resin

To achieve this, researchers have adopted various methods to enhance the mechanical and physical properties of epoxy resin. Nanoparticle-modified epoxy resin Epoxy resin modification is a common method and has been subject to numerous innovations in recent years.

A Critical Review: The Modification, Properties, and

摘要： The article briefly reviews literature on the modification of epoxy resins and their properties, which are used for its industrial applications. Experimental results on modified epoxy resins are collectively summarized, which focus on the structure, curing, and alternate methods for modification of epoxy resins. The several properties such as thermal stability, adhesive, toughness ...

What Are the Modification Processes for Resin Alloys?

4、Modifications of Epoxy Resins and their Influence on their Viscosity The following elaboration includes the results of modification tests of an epoxy resin with the addition of two inorganic fillers: microsilica (in the amount of 0.5% of resin weight) and carbon nanotubes (in the amount of 0.1% of resin mass).

Modification of phenolic resin and its effect on adhesive properties of

To solve the problem of poor bonding effect of polyurethane (PU)/metal at room temperature when Chemlok218 was used as adhesive, a highly active PU modifier was used to modify phenolic resin (PF) in Chemlok218 to form a PF@NCO transition layer between Chemlok218 coating and PU. FTIR and TG analysis showed that the NCO group in PU modifier reacted with the hydroxyl group of PF to form carbamate ...

Surface modification of epoxy resin by MnO2–H2SO4–H2O

The purpose of this study was to enhance the adhesion strength between the epoxy resin (EP) substrate and the electroless copper plating layer by utilizing a MnO2–H2SO4–H2O–Na4P2O7 system for surface modification.

Chemical Surface Modification Methods of Resin Composite Repaired with

Objective This study examined the chemical surface modification methods of resin composite repaired with resin-modified glass-ionomer cement (RMGIC). Materials and Methods Ninety aged resin composite rods were produced and sorted into 9 groups of ...

Enabling phenolic resin toughening and heat resistant: Tactics and

As one of the most important synthetic resins, phenolic resins are widely used in various scenarios of modern industry and contribute a huge economic value. To satisfy high-end and demanding application requirements, phenolic resin modification always stays the research focus in this field. This review involved two main characteristics of phenolic resins, toughness and heat resistance ...

In modern industry, resins are widely used across various fields due to their excellent physical and chemical properties. single-component resins often fail to meet all requirements because of environmental factors, cost constraints, or specific application demands. resin modification has become a critical approach to enhancing performance and expanding applications. This article explores the purposes of resin modification and how scientific methods and technologies achieve these goals.

Understanding the Basic Properties of Resins Resins are solid materials composed of high-molecular-weight compounds, characterized by strong adhesion, electrical insulation, wear resistance, and corrosion resistance. they also have limitations, such as brittleness, poor heat resistance, and relatively low mechanical strength. These drawbacks restrict their use in certain scenarios.

The Necessity of Resin Modification Modification aims to enhance resin performance and broaden its applications by altering molecular structures or introducing new components.

1. Enhancing Physical Properties

To improve toughness and impact resistance, toughening modification is employed. This often involves adding nano-fillers (e.g., carbon black, glass fibers, carbon fibers) or adjusting crosslinking density. Such fillers dissipate stress concentrations, resist crack propagation, and increase mechanical strength via optimized polymerization conditions.

2. Improving Chemical Stability

For resistance to acids, alkalis, solvents, and chemicals, chemical modification introduces functional groups or copolymers. For example, incorporating phenolic rings or triglycidyl ether into epoxy resins significantly boosts their alkali and acid resistance.

3. Optimizing Electrical Properties

For electronics and electrical applications, resins require excellent insulation and conductivity. Adding conductive fillers (e.g., carbon nanotubes, graphene) creates composites with high conductivity and mechanical strength.

4. Adapting to Special Environments

In extreme conditions (e.g., high temperatures, radiation), resins need enhanced thermal and mechanical stability. This is achieved through heat-resistant additives or specialized curing processes.

5. Cost Reduction

While modification improves performance, it may increase costs. Balancing cost-effectiveness is essential to select the most economical strategies.

6. Environmental Sustainability

Growing environmental concerns drive the development of biodegradable, low-toxicity, or recyclable resins. Using bio-based monomers or renewable resources reduces ecological impact and promotes sustainability.

Resin modification is a multifaceted process that leverages scientific and technological innovations to address diverse application needs. By adopting appropriate modification strategies, resins achieve superior performance, expanded utility, and contribute to industrial advancement.