1、Epoxy curing agents manufacturer in China
Highfar is a professional epoxy curing agents manufacturer in China, we can supply various type of water based and amine based epoxy curing agent that widely used for epoxy coating, epoxy adhesive, anti-corrosion coating and so on.
2、Epoxy Curing Agents
Aliphatic amines find use in civil engineering (e.g., patch repair systems, flooring), high-solids coatings, adhesives, wet lay-up laminating, small electrical encapsulation and are used to accelerate other amine curing agents.
3、Epoxy
The curing agents sold under the Baxxodur® trademark, such as polyether amines, aliphatic and cycloaliphatic amines, differ in molecular structure, basicity and number of functional groups.
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.
Epoxy Curing Agents
Epoxy resins tend to have limited compatibility with some epoxy curing agents, so an induction time is needed. The induction time is the time between the mixing of the resin and hardener, and the application of the coating. This allows the chemical reaction between resin and curing agent to start.
Waterborne Epoxy Curatives
Waterborne epoxy flooring based on anquamine 287 curing agent provides thermal shock and chemical resistance required for steam and chemical cleaning. in addition, it offers a cost-effective solution with a number of advantages. no carbon dioxide is generated during application, thereby reducing the required film thickness and cost of the ...
Application and Advantage of Epoxy Curing Agent in Self
The epoxy curing agent ensures that the self-leveling material flows evenly on the ground and forms a flat coating, avoiding the defects of the uneven surface in the traditional floor.
Admarkpolycoats Pvt. Ltd – Epoxy Hardener – Epoxy Flooring – Epoxy
Admark Polycoats offers a range of epoxy curing agents, coatings, and research services for construction, industrial, and protective applications.
Curing Agents
Curing Agents are an essential component in coatings, especially in reactive coatings (such as epoxy coatings and polyurethane coatings). Curing agents facilitate the curing reaction by reacting with film-forming materials (like resins), thereby enhancing the coating's hardness, wear resistance, corrosion resistance, and durability.
Epoxy Curing Agents
Epoxy Additives Since the late 1980s Air Products has firmly established itself as a major international supplier of epoxy curing agents and modifiers. Now part of the Performance Materials Division, we supply products into concrete coatings, metal coatings, adhesive and composite applications all around the globe.
Epoxy Floor Coating Curing Agents
In modern construction and decoration, epoxy floor coatings have gained significant attention due to their exceptional performance and widespread applications. Epoxy floor coatings, composed of epoxy resin, curing agents, solvents, and other components, are primarily used for ground surface treatment. They offer advantages such as wear resistance, chemical corrosion resistance, and strong adhesion. the curing process of epoxy floor coatings is the most critical step in the entire application procedure, directly affecting the coating’s performance and service life. understanding and mastering the selection and application methods of curing agents for epoxy floor coatings is crucial.
1. Selection of Epoxy Floor Coating Curing Agents
1. Amine-Based Curing Agents Amine-based curing agents are among the most commonly used options for epoxy floor coatings. They react chemically with the epoxide groups in the epoxy resin, forming a stable cross-linked structure that promotes curing. Amine curing agents exhibit high reactivity and fast curing speeds, enabling rapid hardening of the coating while ensuring durability and wear resistance. Common examples include polyisocyanide (PICA) and polyamide (PAA).
2. Anhydride-Based Curing Agents Anhydride-based curing agents are another popular choice. They react with the hydroxyl groups in the epoxy resin to form a stable cross-linked network, achieving curing. Though less reactive than amines, anhydride curing agents provide enhanced chemical and heat resistance. Examples include phthalic anhydride (PMDA) and terephthalic anhydride (DBAD).
3. Imidazol-Based Curing Agents Imidazol-based curing agents are emerging options for epoxy floor coatings. They react with phenolic hydroxyl groups in the resin to form stable cross-links, enabling curing. These agents offer good reactivity, low volatility, and superior film properties. Common examples include imidazoline (MIZ) and imidazolidone (MIP).
4. Dicyandiamide-Based Curing Agents Dicyandiamide-based curing agents represent a new class of epoxy floor coating hardeners. They react with both phenolic hydroxyl and amino groups in the resin, forming robust cross-linked structures. These agents combine moderate reactivity, low volatility, and excellent film performance.
2. Application of Epoxy Floor Coating Curing Agents
1. Mixed Usage To achieve optimal curing effects and performance, different curing agents are often combined. For example, blending amine-based and anhydride-based agents can balance fast curing with chemical resistance, while combining imidazol-based and dicyandiamide-based agents may yield superior film properties.
2. Proportion Control The ratio of curing agents significantly impacts curing speed and final properties. Higher curing agent concentrations accelerate curing but may reduce hardness or wear resistance. Proportions should be adjusted based on specific application requirements and environmental conditions.
3. Temperature Control Curing agent performance depends on temperature. Lower temperatures slow curing, extending working time, while higher temperatures accelerate curing. The appropriate curing temperature must be selected according to site conditions.
3. Precautions for Epoxy Floor Coating Curing Agents
1. Storage Conditions Curing agents require careful storage. Amine-based, anhydride-based, and imidazol-based agents should be kept in cool, ventilated areas, away from direct sunlight and heat. Dicyandiamide-based agents also demand cool, ventilated storage to prevent degradation.
2. Safety Measures When using curing agents, protective equipment such as gloves and goggles must be worn to avoid skin contact or inhalation of fumes. Adherence to safety protocols ensures risk-free application.
3. Environmental Considerations Curing agents must meet environmental standards. Amine-based, anhydride-based, and imidazol-based agents may pose toxicity or irritation risks; compliance with regulations and eco-friendly practices is essential.
4. Future Development Trends of Epoxy Floor Coating Curing Agents
As technology advances and environmental standards rise, future research on epoxy floor coating curing agents will prioritize eco-friendliness, efficiency, and high performance. Novel curing agents will emerge to meet diverse needs, while improvements to existing formulations will focus on enhancing properties and reducing costs.
Curing agents are critical determinants of epoxy floor coating quality. Selecting the right curing agent and applying it properly ensures optimal coating performance. Ongoing innovation and adaptation to market demands will drive continued progress in this field.
