1、Molecular engineering of dynamically bonded degradable epoxy resins for

In this study, the screened acetal structure was utilized as the monomer for resin synthesis, with MNA employed as the curing agent to prepare chemically degradable epoxy resins and its composites.

2、Degradable and Reprocessable Resins from a Dioxolanone Cross

The new resins are both degradable and reprocessable, with both end-of-life fates controlled by the choice of conditions and catalysts, including the ability to recycle glass fiber composites bound by the sustainable resins.

3、Synthesis and Performance Evaluation of Degradable Sorbitol

In addition, chemical degradation tests were conducted on the resin systems with different catalysts, and the experiments showed that the produced resins could be degraded in benzyl alcohol and exhibited good degradation performance.

4、Novel degradable acetal

Therefore, we developed novel degradable epoxy resins, which easily decomposed in the presence of organic solvents, were stable in the absence of organic solvents and exhibited high thermal...

5、Degradable Modified Resins

Degradable modified resins, as a type of polymer material with unique properties, have garnered widespread attention due to their research and application potential.

High

Herein, we report a fully bio-based and recoverable epoxy resin using a bio-based epoxy monomer and curing agent. The epoxy monomer (VAN-TA-EP) was synthesized by a Schiff base reaction based on vanillin (VAN) and Tris (2-aminoethyl)amine (TA) and further epoxidated.

Design of controllable degradable epoxy resin: High performance and

Endowing epoxy resin with high performance, controllable degradation as well as feasible upcycling is a huge challenge.

Preparation of degradable bio

The curing kinetics of bio-based silicone/epoxy hybrid resins with methyl hexahydrophthalic anhydride (MHHPA) or 4,4′-diaminodiphenylmethane (DDM) were studied. The cured resins exhibited low Dk and hydrophobicity by taking advantage of the low polarity, large molecular volume and high dissociation energy of the siloxane segments.

Synthesis and Degradation Mechanism of Self

Degradable self-cured hyperbranched epoxy resins (DSHE- n, n = 1, 2, and 3) have been synthesized by a simple method. The self-curing mechanism of DSHE- n was analyzed by TG, DSC, and FT-IR techniques.

Toward sustainable thermosets: Advances in toughening and degradation

They provide critical analysis of green degradation methods and highlight innovative designs that simultaneously enhance both toughness and degradability. Major challenges and future research needed to realize high-performance, degradable epoxy resins are also discussed.

In today’s society, with the continuous enhancement of environmental awareness, biodegradable materials have garnered widespread attention due to their degradability and environmental friendliness. Among these, degradable modified resins, as a novel class of polymer materials, hold broad application prospects in environmental protection, energy, and industrial fields.

Degradable modified resins refer to materials whose original chemical structures are altered through chemical reactions or physical methods, enabling them to rapidly break down into small molecules under specific conditions, ultimately achieving harmless treatment for the environment. These materials exhibit excellent mechanical properties, chemical resistance, and processability, playing critical roles in specialized environments.

Research on degradable modified resins began in the 1970s, when scientists discovered that certain natural polymers, such as starch and cellulose, could degrade under specific conditions. Since then, researchers have explored integrating this property into synthetic materials to meet the demands of environmental protection and resource recycling.

Current research on degradable modified resins focuses on the following areas:

1. Development of Bio-Based Materials: Bio-based materials, derived from renewable biomass resources (e.g., polylactic acid [PLA], polyhydroxyalkanoates [PHA]), offer good biocompatibility and biodegradability. They can replace traditional petroleum-based plastics, reducing environmental pollution.

2. Application of Nanocomposites: The integration of nanotechnology has significantly enhanced material performance. For example, nanofillers improve mechanical strength, while nanofibers increase tensile toughness. These composites show promise in packaging, construction, and automotive industries.

3. Photo/Electro-Driven Degradable Materials: These materials degrade through photocatalysis or electrocatalysis without external energy input. For instance, TiO2-polymer composites can rapidly degrade organic matter under light, enabling material recycling.

4. Smart Degradable Materials: These materials adjust degradation rates based on environmental changes, adaptively protecting ecosystems. Examples include temperature-sensitive resins that degrade quickly at high temperatures but remain stable at low temperatures, avoiding performance declines due to thermal fluctuations.

5. Multiscale Structural Control: By regulating microscopic and macroscopic structures, degradation behaviors can be precisely controlled. For example, optimizing nanofiller distribution and size balances mechanical properties and degradation rates.

challenges remain in the research and application of degradable modified resins:

1. Cost Issues: The high cost of bio-based materials limits large-scale adoption. Reducing production costs and improving efficiency are ongoing research priorities.

2. Performance Stability: While degradable resins perform well under normal conditions, their stability may degrade in extreme environments (e.g., high temperature, pressure). Enhancing material robustness is essential.

3. Environmental Impact: Degradation processes might produce byproducts or pollutants, posing ecological risks. Developing greener degradation pathways is a critical future direction.

degradable modified resins, as innovative polymer materials, offer significant value in environmental protection, energy, and industry. With deeper research and development, these materials are poised to play a larger role in addressing environmental challenges and advancing sustainable development.