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Propoxylated Trimethylolpropane Triacrylate
Appearance: Colorless Liquid
MF: [H2C=CHCO2(C3H6O)nCH2]3CC2H5
MW: 470
Density: 1.051 g/ mL at 25 °C
Product Introduction
What Is Propoxylated Trimethylolpropane Triacrylate
Propoxylated trimethylolpropane triacrylate (ETPTA) is a chemical compound that belongs to the family of acrylate monomers. It is a clear liquid with a low viscosity and a low volatility. ETPTA is widely used in the coatings, adhesives, and sealants industries due to its excellent properties such as fast curing speed, good adhesion, and chemical resistance.The chemical formula of ETPTA is C24H42O12, and its molecular weight is 522.58 g/mol. It is synthesized by reacting trimethylolpropane with acrylic acid and subsequent propoxylation. The propoxy groups in ETPTA improve its solubility in various solvents and enhance its compatibility with other resin systems.ETPTA is a versatile crosslinker that can be copolymerized with other acrylates or resins to form polymers with desired properties. It is commonly used in the production of UV-curable coatings, adhesives, sealants, and composites. The cured products derived from ETPTA exhibit good mechanical strength, durability, and chemical resistance.
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Advantages of Propoxylated Trimethylolpropane Triacrylate
Fast curing speed
ETPTA has a fast curing speed, which allows for quick processing and production.
Good adhesion
It provides excellent adhesion to various substrates, including metals, plastics, and woods.
Chemical resistance
The cured product derived from ETPTA exhibits good chemical resistance to solvents, acids, and bases.
Good mechanical properties
It imparts toughness, stiffness, and abrasion resistance to the cured materials.
Versatile applications
ETPTA can be used in a wide range of applications such as coatings, adhesives, sealants, and composites.
Compatibility
It is compatible with other resin systems, allowing for the formulation of custom blends with desired properties.
Improved solubility
The propoxy groups in ETPTA enhance its solubility in various solvents, making it easier to incorporate into formulations.
Types of Propoxylated Trimethylolpropane Triacrylate
This is the most basic type of ETPTA, which does not contain any special modifiers or functional groups.
This type of ETPTA contains reactive diluents, which can lower the viscosity of the resin and improve its processability.
This type of ETPTA is designed for UV-curable applications and contains photoinitiators that allow it to cure quickly when exposed to UV light.
This type of ETPTA is soluble in water, making it suitable for waterborne coatings, adhesives, and sealants.
This type of ETPTA contains curing agents that can accelerate the curing process of the resin and improve its mechanical properties.
This type of ETPTA contains special functional groups, such as carboxyl, amino, or epoxy groups, which can enhance its adhesion, reactivity, or solubility.
This type of ETPTA is used to adjust the viscosity of the resin system, allowing for better processing and application characteristics.
1. Coatings and adhesives
ETPTA is widely used in the production of coatings and adhesives due to its excellent adhesion and curing properties. It can enhance the adhesion, hardness, and durability of coatings, making them suitable for a variety of applications such as automotive coatings, industrial coatings, and wood adhesives.
2. Sealants and caulks
ETPTA is used in the formulation of sealants and caulks to provide good adhesion and flexibility. It can be used in construction, automotive, and electronics industries to seal joints and gaps, providing weather resistance and durability.
3. Composite materials
ETPTA is employed in the manufacturing of composite materials, including fiber-reinforced composites. It helps to bond the fibers and resin matrix, enhancing the mechanical properties and dimensional stability of the composites.
4. UV-curable systems
ETPTA's UV-reactive properties make it suitable for UV-curable applications. It can be incorporated into UV-curable coatings, inks, and adhesives, allowing for rapid curing and enhanced performance.
5. Electronics
ETPTA is used in the electronics industry for potting, encapsulation, and bonding applications. It provides protection and stability to electronic components, resisting moisture, chemicals, and temperature fluctuations.
The main components of ETPTA are trimethylolpropane (TMP) and acrylic acid (AA). In the synthesis process of ETPTA,trimethylolpropane and acrylic acid are reacted in the presence of a catalyst to form a polymer with three acrylate functional groups.ETPTA typically contains propoxy groups (-CH2CH2CH3) attached to the trimethylolpropane backbone. These propoxy groups impart flexibility and solubility to the molecule, making ETPTA suitable for a wide range of applications.The acrylate functional groups (-CH2=CHCOO-) in ETPTA are responsible for its reactivity and adhesion properties. These groups can undergo polymerization reactions, crosslinking reactions, or react with other molecules through covalent bonds, enabling ETPTA to be used as a crosslinker, binder, or resin modifier.In addition to trimethylolpropane and acrylic acid, ETPTA may also contain small amounts of catalysts, inhibitors, and stabilizers. These additives are used to control the reaction kinetics, prolong the shelf life of the product, and improve its processing characteristics.
How to Maintain Propoxylated Trimethylolpropane Triacrylate
Store properly: ETPTA should be stored in a cool, dry, and well-ventilated place, away from direct sunlight and heat sources. The storage temperature should be within the recommended range provided by the manufacturer.
Protect from moisture: ETPTA is sensitive to moisture, so it is important to ensure that the storage container is tightly sealed to prevent moisture absorption. You can use a desiccant or a moisture-proof bag to absorb any moisture in the storage area.
Avoid contamination: Keep ETPTA away from contaminants such as dirt, dust, and chemicals that may affect its quality. Use clean and dry tools when handling ETPTA to prevent contamination.
Handle with care: When handling ETPTA, wear appropriate personal protective equipment (PPE) such as gloves and goggles to protect your skin and eyes. Avoid contact with the skin and eyes, and in case of contact, rinse immediately with plenty of water and seek medical attention if necessary.
Follow the manufacturer's instructions: Read and follow the manufacturer's instructions and recommendations for the use, handling, and storage of ETPTA. They provide specific guidelines based on the product's characteristics and intended applications.
What Is the Working Principle of an Propoxylated Trimethylolpropane Triacrylate
Polymerization
ETPTA contains acrylate functional groups (-CH2=CHCOO-) that can undergo polymerization reactions. When exposed to appropriate initiators or activators, such as heat, radiation, or chemical catalysts, the acrylate groups undergo a free-radical polymerization process. This leads to the formation of a polymer network or resin.
Crosslinking
During the polymerization process, the acrylate groups of adjacent ETPTA molecules can react and form covalent bonds, resulting in crosslinking. This crosslinking enhances the mechanical properties, durability, and dimensional stability of the final material.
Adhesion
The acrylate groups in ETPTA also contribute to its adhesion properties. When applied as a coating, adhesive, or sealant, the acrylate groups can interact with the substrate or other materials, providing strong adhesion and bonding.
Flexibility and toughness
The propoxy groups (-CH2CH2CH3) in ETPTA impart flexibility and solubility to the molecule. This allows for the formation of polymers with desired flexibility, toughness, and resistance to cracking or brittleness.
How to Choose the Propoxylated Trimethylolpropane Triacrylate Correctly
1.Application Requirements
Determine the intended use of ETPTA in the formulation. Different applications may have specific requirements in terms of viscosity, cure speed, reactivity, and final material properties.
2. Chemical properties
evaluate the chemical properties of ETPTA, including its viscosity, functionality (number of acrylic groups), curing mechanism, etc. Viscosity will affect how easy handling and processing will be, while function will determine the crosslinking density and mechanical properties of the final product. Learn about the curing mechanism to ensure it meets your desired application and processing conditions.
3. Compatibility
Check the compatibility of ETPTA with other components in your formulation. Ensure there are no incompatibilities or potential reactions that could negatively impact the performance or stability of the final product. Compatibility testing may be necessary, especially when formulating new products or using unfamiliar combinations of chemicals.
4. Supplier reputation and quality
Research the reputation and credibility of the supplier from whom you are purchasing ETPTA. Look for suppliers who have a track record of providing high-quality chemicals and offer reliable technical support. Consider certifications or standards that the supplier adheres to, such as ISO 9001 for quality management.
5. Safety and regulations
Ensure that the ETPTA you choose complies with relevant safety regulations and standards. Check for any hazard classifications, safety data sheets (SDS), and proper handling and storage instructions. Adhere to safety guidelines to protect the health of personnel and the environment.
6. Pricing and availability
Compare the pricing of different ETPTA suppliers while considering the quality and reliability of their products. Additionally, assess the availability and lead times to ensure a smooth supply chain.
Precautions for Using an Propoxylated Trimethylolpropane Triacrylate
Determine the intended use of ETPTA in the formulation. Different applications may have specific requirements in terms of viscosity, cure speed, reactivity and final material properties.
Evaluate the chemical properties of ETPTA, including its viscosity, functionality (number of acrylic groups), cure mechanism, etc. Viscosity will affect ease of handling and processing, while functionality will determine the cross-link density and mechanical properties of the final product. Understand the cure mechanism to ensure it meets your desired application and processing conditions.
Check the compatibility of ETPTA with other ingredients in the formula. Ensure there are no incompatibilities or potential reactions that could negatively impact the performance or stability of the final product. Compatibility testing may be necessary, especially when formulating new products or using unfamiliar chemical combinations.
Research the reputation and credibility of the supplier from whom you purchase ETPTA. Look for a supplier with a track record of delivering high-quality chemicals and providing reliable technical support. Consider certifications or standards that the supplier adheres to, such as ISO 9001 for quality management.
Make sure the ETPTA you choose complies with relevant safety regulations and standards. Check any hazard classifications, safety data sheets (SDS), and proper handling and storage instructions. Follow safety guidelines to protect personal health and the environment.
Compare pricing from different ETPTA suppliers, taking into account the quality and reliability of their products. Additionally, assess availability and delivery times to ensure a smooth supply chain.
How to Improve the Durability of Propoxylated Trimethylolpropane Triacrylate
1. Cross-linking
ETPTA is a trifunctional acrylate monomer that can participate in cross-linking reactions during the coating curing process. Cross-linking creates a network structure within the coating, enhancing its mechanical properties and durability. Cross-linking helps prevent the coating from cracking, peeling or chipping, making it more resistant to mechanical stress and wear.
2. Promote adhesion
Good adhesion is critical to the durability of the coating. ETPTA can improve the adhesion of the coating to the substrate. It can interact with the substrate through covalent bonds or physical interactions, providing a strong bond that resists delamination or detachment. Enhanced adhesion ensures coatings remain intact even under challenging conditions.
3. Resistant to chemical attack
Coatings are frequently exposed to various chemicals such as solvents, acids, alkalis or UV radiation. ETPTA helps improve the coating's resistance to these chemicals. Its acrylic backbone is resistant to solvents and chemicals, reducing the potential for damage or degradation. This helps extend the life of the coating in chemical environments.
4. Flexibility and Toughness
ETPTA can impart flexibility and toughness to the coating. This is especially important for coatings that are subject to bending, stretching, or temperature changes. Flexibility allows the coating to withstand deformation without cracking, while toughness enhances its resistance to impact and abrasion.
5. Anti-UV
ETPTA provides UV resistance in coatings exposed to sunlight or other UV sources. It may contain UV stabilizers or absorbers to help protect the coating from UV degradation, preventing fading, chalking, or loss of luster.
What are the storage and handling requirements for Propoxylated Trimethylolpropane Triacrylate
Storage conditions
ETPTA should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat. The ideal storage temperature may range from 5°C to 30°C. Exposure to high temperatures or extreme temperatures can affect the quality and stability of the product.
Containers and packaging
ETPTA is typically supplied in suitable containers or packaging designed to protect the chemical from exposure to air, moisture, and contaminants. Ensure the containers are sealed tightly to prevent leakage or evaporation.
Handling precautions
When handling ETPTA, it is important to wear appropriate personal protective equipment (PPE), such as gloves, goggles, and a respirator, depending on the level of exposure and the recommended safety guidelines. Avoid direct contact with the skin and eyes, and prevent inhalation of the vapors or mist.
Compatibility
Check for the compatibility of ETPTA with other chemicals or substances before storing or handling it together. Incompatible materials can react and cause instability or safety hazards.
Fire and explosion prevention
ETPTA is flammable, and proper fire prevention measures should be in place. Store it away from sources of ignition, and follow local fire safety regulations.
Labeling and documentation
Ensure that the containers are properly labeled with appropriate hazard warnings and safety information. Keep accurate records of the storage and handling activities, including the batch number, expiry date, and any other relevant details.
What Are the Common Methods for Purifying Propoxylated Trimethylolpropane Triacrylate
Distillation is a common purification method that involves heating the ETPTA to evaporate it and then collecting the vapors in a cooler section. By controlling the temperature and pressure, it is possible to separate and purify the ETPTA from any impurities or by-products.
Chromatographic techniques, such as liquid chromatography or gas chromatography, can be used to separate and purify ETPTA. These methods involve passing the ETPTA through a chromatographic column filled with a stationary phase, allowing separation based on differences in chemical properties.
Solvent extraction is a process where ETPTA is dissolved in a suitable solvent and then contacted with an extracting solvent. The extracting solvent selectively removes impurities or by-products, leaving behind a purified ETPTA solution.
Crystallization is a purification technique that involves cooling a solution of ETPTA to induce crystallization. The impurities are often excluded from the growing crystals, resulting in a purified form of ETPTA.
Filtering the ETPTA through a suitable filter medium can remove solid impurities or particles. This method is simple and commonly used as a preliminary purification step.
Can Propoxylated Trimethylolpropane Triacrylate Be Used in Electronic Materials
Yes, Propoxylated Trimethylolpropane Triacrylate (PTMPTA) can be used in electronic materials. PTMPTA is a type of acrylate compound that is commonly used as a monomer in UV-curable coatings, adhesives, and inks for various applications, including electronics.In electronic materials, PTMPTA can be used as a component in UV-curable coatings for printed circuit boards (PCBs), electronic components, and other electronic devices. It provides excellent adhesion to various substrates, including metals, plastics, and glass, which is important for ensuring the durability and reliability of electronic assemblies.PTMPTA can also enhance the mechanical properties of the cured coatings, such as hardness, toughness, and scratch resistance, which are desirable characteristics for electronic materials. Additionally, its UV-curing capability allows for fast and efficient processing, making it suitable for high-volume production in the electronics industry.Furthermore, PTMPTA can be formulated with other additives, such as photoinitiators and functional fillers, to tailor its properties for specific electronic applications. For example, it can be modified to provide electrical conductivity or thermal conductivity, depending on the requirements of the electronic device.
Our Factory
Suzhou Senfeida Chemical Co., Ltd. was established in 2013 and is an enterprise dedicated to the production and research and development of various chemical raw materials. In order to improve production efficiency and meet customer needs, the company established a warehousing and processing plant in Changzhou, Jiangsu in 2014. Subsequently, in order to better expand the market and serve customers, the company established a contract factory in Yueyang, Hunan in 2015.In addition, in order to meet the needs of customers in different regions, the company has also established multiple contract factories in Guangdong, Shandong and other places. Through these measures, Suzhou Senfeida Chemical Co., Ltd. can better provide customers with high-quality chemical raw material products.
FAQ
Q: What is Propoxylated Trimethylolpropane Triacrylate (ETPTA)?
Q: What are the properties of ETPTA?
Q: What are the applications of ETPTA?
Q: Is ETPTA toxic?
Q: How should ETPTA be stored?
Q: What are the safety precautions for handling ETPTA?
Q: Can ETPTA be used alone?
Q: What is the curing mechanism of ETPTA?
Q: What are the advantages of using ETPTA in coatings?
Q: Can ETPTA be used in UV-curable coatings?
Q: How does ETPTA affect the viscosity of adhesives?
Q: Can ETPTA be used in sealants?
Q: What are the advantages of using ETPTA in composites?
Q: Can ETPTA be used in electronic materials?
Q: Is ETPTA compatible with other chemicals?
Q: How does the viscosity of ETPTA change with temperature?
Q: Can ETPTA be recycled?
Q: What are the regulations for ETPTA disposal?
Q: Can ETPTA be used in waterborne coatings?
Q: How does ETPTA affect the curing speed of adhesives?
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