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

The epoxy resin curing reaction is accelerated or regulated by epoxy curing agents. During the curing phase, the epoxy resin undergoes irreversible modifications.

2、A critical review of dynamic bonds containing curing agents for epoxy

Investigated the mechanical, thermomechanical, thermal, and recycling properties of the epoxy thermosets cured by developed curing agents. Addressed the challenges, opportunities and emerging trends in the field.

3、环氧树脂固化剂的常见类型及其固化机理

环氧树脂固化剂的常见类型及其固化机理 本文简要概述了环氧树脂固化剂的常见类型及其固化机理。 包括脂肪族二胺和多胺、芳香族多胺、其他含氮化合物和改性脂肪族胺。 伯胺和仲胺对环氧树脂的固化作用是通过氮原子上的活性氢打开环氧基团，使其交联 ...

4、Frontiers

Method: This review addresses the underlying science and technology to elucidate how light curing works for dental resin-based composites, including—but not limited to—bulk fill types.

5、Ammonium Salts as Curing Agents to Obtain Ionic Epoxy Resins With a

Conceptual comparison between: A) the conventional epoxy network formed by curing a diepoxide with a primary diamine, and B) the proposed use of ammonium salts as curing agents for epoxy resins. Thus, in this work we explore the use of ammonium salts as curing agents for epoxy resins (Figure 1B).

Effect of Dentin Bonding Agents, Various Resin Composites and Curing

This study investigated the influence of several dentin bonding agents, resin composites and curing modes on push-out bond strength to human dentin. 360 extracted caries-free third molars were prepared, cut into slices, embedded in epoxy resin and perforated centrally.

Curing Agent: Types & Process of Curing Agents for Epoxy Resin

Explore the main types of curing agents & various crosslinking methods which help to improve the polymerization process to select the right curing agent for coating formulation.

Curing Agents for Epoxy Resins "jERCURE"

jERCURE™ curing agents for epoxy resins are an abundant set of curing agents that cover the full range from low to high curing temperature with functional groups ranging from amine, mercaptan, and phenol to Lewis acid complex compounds.

A comprehensive review of resin luting agents: Bonding mechanisms and

To facilitate bonding to dental tissues, many resin cements require the dental substrate to be pre-treated. Depending on the specific characteristics of the cement, the pre-treatment can involve the use of either an etch-and-rinse or a self-etch dentin adhesive system.

Preparation and characterization of UV

In this study, we utilized UV curing technology, which effectively seals edges to prevent bacterial infiltration and secondary caries. This method offers rapid curing, energy efficiency, and excellent properties for cured products, making it ideal for continuous mass production.

In modern dental treatments, the restoration and protection of teeth are of utmost importance. Epoxy resins are widely used as surface materials due to their excellent physical and chemical properties. the curing process of epoxy resins is critical to ensuring their performance. Curing agents play an indispensable role in this process. This article explores the importance, types, applications, and proper usage of dental epoxy curing agents to achieve optimal therapeutic outcomes.

Role and Importance of Curing Agents

Curing agents are substances that transform liquid epoxy resins into a solid state. In dental restorations, curing agents not only harden the resin to form a durable surface layer but also provide essential mechanical strength to withstand daily masticatory forces and occlusal pressures. Additionally, curing agents ensure aesthetic results, making restored teeth appear natural and inconspicuous. the selection and use of curing agents are vital to the success of dental treatments.

Types of Curing Agents

Epoxy resin curing agents come in various types, each with unique characteristics and applications. Below are some common curing agents and their features:

1. Polyisocyanates: These agents react with hydroxyl groups in epoxy resins to initiate curing. They offer high crosslinking density, resulting in superior mechanical strength and durability. polyisocyanates may require longer curing times and could potentially irritate certain dental tissues.

2. Amines: Amine-based curing agents react with phenolic hydroxyl groups in epoxy resins. They exhibit good biocompatibility and low irritation, making them suitable for sensitive or vulnerable tooth regions. their curing speed is relatively slow, requiring extended processing time.

3. Acids: Acid-based curing agents react with epoxide groups in resins. They provide high crosslinking density, yielding strong mechanical properties and durability. acids may cause corrosive effects on dental tissues, necessitating cautious use.

Application and Precautions

Proper application of curing agents is essential for achieving optimal results. Key considerations include:

• Selecting the Appropriate Curing Agent: Choose based on resin type and restoration needs. For example, polyisocyanates are ideal for high-strength areas, while amines suit sensitive regions.
• Correct Mixing Ratios: Follow manufacturers’ guidelines strictly to ensure complete reaction between resin and curing agent.
• Uniform Application: Apply evenly to avoid air bubbles or uneven surfaces.
• Adequate Curing Time: Determine curing duration based on the curing agent type and resin thickness. Premature or delayed curing may compromise outcomes.

The proper use of dental epoxy curing agents is critical to the success of restorative dentistry. Selecting the right curing agent and following correct application procedures ensure restored teeth possess adequate strength, aesthetics, and longevity. Patients should consult experienced dental professionals to achieve the best therapeutic results.