1、Thermosetting resin modified asphalt: A comprehensive review

This paper introduces several main thermosetting resin modified asphalts, including epoxy resin modified asphalt, thermosetting polyurethane modified asphalt, unsaturated polyester resin modified asphalt, and their composite modified asphalt.

2、Thermosetting Polymer Modified Asphalts: Current Status and Challenges

To develop eco-friendly and sustainable asphalt materials, this article also reviews the use of bio-based thermosetting polymers, including epoxy resin, polyurethane and phenolic resin, in asphalt modification.

3、Thermosetting resin modified asphalt: A comprehensive review

The material composition, modification mechanism, and curing behavior of epoxy asphalt, thermosetting polyurethane modified asphalt, unsaturated polyester modified asphalt, and other...

4、The synthesis of tetrafunctional epoxy

To strengthen the toughness of thermosetting resins under low temperatures, tetrafunctional epoxy-modified silicone resins (TESR-1/4/9) with different lengths of flexible chains were synthesized and served as tougheners for the epoxy system.

Bio

Recent years have witnessed a growing interest in bio-based thermosetting resins in terms of environmental concerns and the desire for sustainable industrial practices.

Can Thermosetting Resins Be Modified?

Modified thermosetting resin is a polymer material with a bulk network structure formed by introducing specific elements or functional groups through physical blending or chemical cross-linking.

Bio‐based Thermosetting Resins: From Molecular Engineering to

Recent years have witnessed a growing interest in bio-based thermosetting resins in terms of environmental concerns and the desire for sustainable industrial practices.

Research progress of modified thermosetting resin and its application

The modification mechanism and material characteristics of four kinds of thermosetting resins such as epoxy resin, phenolic resin, polyurethane resin and unsaturated polyester resin are...

Recent advances of thermosetting resin and its application prospect in

Currently, the modification of thermosetting resin is primarily focused on three areas, namely toughening modification, heat resistance modification, and flame retardant modification.

Synthesis of Sustainable Thermosetting Resins: High

As early as ten years ago, our team started to design and synthesize sustainable thermosetting resin, of which the high-performance and functionality were successfully realized.

In modern industry and technology, thermosetting resins are among the most important materials due to their excellent mechanical properties, chemical stability, and dimensional stability. as application fields continue to expand, higher performance requirements for thermosetting resins have emerged, and traditional formulations struggle to meet specific demands in specialized scenarios. modifying these resins is crucial—not only to broaden their application range but also to significantly enhance their performance. This article explores the modification methods of thermosetting resins and their importance in practical applications.

Modification of thermosetting resins involves altering their molecular structure or properties through chemical or physical means to suit specific conditions. Common modification methods include blending, filling, grafting, and crosslinking.

1. Blending Modification combines two or more thermosetting resins with different properties to create new composite materials. This approach effectively improves mechanical strength, heat resistance, and oil resistance. For example, adding polyamide-imide to epoxy resin significantly enhances toughness and impact resistance.

2. Filling Modification introduces fillers (e.g., glass fibers, carbon fibers, ceramic particles, or nanoparticles) into thermosetting resins to improve performance. Fillers reduce costs, increase mechanical strength, and lower thermal expansion coefficients. For instance, incorporating carbon nanotubes into epoxy resin improves electrical conductivity, mechanical properties, and cost-effectiveness.

3. Grafting Modification chemically attaches functional groups to the resin’s main chain, imparting new properties such as conductivity, thermal conductivity, or antistatic capabilities. An example is graft-copolymerizing polystyrene with polyvinyl chloride to produce antistatic composites.

4. Crosslinking Modification uses chemical reactions to form crosslinks between resin molecules, boosting heat resistance and mechanical strength. Crosslinking agents like formaldehyde, epichlorohydrin, or hydrogen peroxide enhance properties like thermal stability and chemical resistance. Adding triglycidyl ether to epoxy resin, for example, yields materials with superior heat and mechanical performance.

The modification of thermosetting resins expands their applications and optimizes performance for niche fields. In aerospace, modified resins serve as lightweight, high-temperature structural materials. In automotive manufacturing, they improve wear and corrosion resistance for critical components. Additionally, in electronics and biomedical industries, modified thermosetting resins show significant potential.

modifying thermosetting resins is a complex yet rewarding challenge. By applying diverse modification techniques, researchers can develop resins with broader applicability and enhanced performance. This not only unlocks new possibilities for thermosetting resins but also drives innovation across related industries.