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fangda Chemical

Hydroxyl monomer specialists, hand in hand with you for the future!

The company invested and built Chizhou Fangda Technology Co., Ltd. in October 2006, which is a national high-tech enterprise specializing.

  • 66600m2

    Factory footprint

  • 2000

    Quzhou Fangda Chemical was established in

  • 70000mt

    Annual output

Fangda Chemical News

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  • Applications of Hydroxyethyl Acrylate (HEA)

    Applications of Hydroxyethyl Acrylate (HEA)

    Hydroxyethyl Acrylate (HEA) is a reactive monomer that incorporates both acrylate and hydroxyl functional groups, making it highly versatile in various applications. Its reactivity and ability to form strong bonds with a wide range of materials lend it to numerous industrial and commercial uses. 1. Coatings and Paints UV-Curable Coatings: HEA is commonly used in UV-curable coatings due to its high reactivity and ability to form crosslinked networks. It enhances the durability, scratch resistance, and adhesion of coatings to various substrates, including metals, plastics, and glass. Waterborne Coatings: In waterborne coatings, HEA improves the adhesion and mechanical properties. Its hydrophilic nature helps in dispersing the coating components evenly, resulting in a uniform finish. 2. Adhesives and Sealants Reactive Adhesives: HEA is used in the formulation of reactive adhesives, which benefit from its hydroxyl group that can participate in additional curing reactions, leading to stronger and more durable bonds. Sealants: In sealants, HEA contributes to the flexibility and toughness of the material, making it suitable for applications requiring long-lasting seals under varying environmental conditions. 3. Polymers and Resins Acrylic Resins: HEA is copolymerized with other monomers to produce acrylic resins with enhanced properties such as flexibility, adhesion, and chemical resistance. These resins are used in coatings, adhesives, and various other applications. Epoxy Resin Modifiers: HEA is used to modify epoxy resins, improving their mechanical properties, adhesion, and toughness. This makes the modified resins suitable for high-performance applications, such as in aerospace and automotive industries. 4. Biomedical Applications Hydrogels: HEA is used in the production of hydrogels, which are employed in medical applications such as wound dressings, drug delivery systems, and contact lenses. Its hydrophilic nature helps in maintaining moisture, which is crucial for healing and comfort. Medical Coatings: HEA is used in coatings for medical devices, providing biocompatibility and improved adhesion to various substrates. 5. Textiles and Leather Finishing Textile Coatings: In the textile industry, HEA is used to improve the water resistance, durability, and dyeability of fabrics. It helps in creating finishes that enhance the functional properties of textiles. Leather Finishing: HEA is used in leather finishing formulations to improve the flexibility, water resistance, and overall quality of leather products. 6. Printing Inks UV-Curable Inks: HEA is used in UV-curable printing inks to enhance the adhesion, flexibility, and durability of printed materials. These inks are used for high-quality printing on a variety of substrates, including plastics, metals, and paper. 7. Construction Materials Concrete Additives: HEA is used in concrete additives to improve the mechanical properties, adhesion, and durability of concrete. It helps in creating more resilient and long-lasting construction materials. Overall, Hydroxyethyl Acrylate (HEA) is a highly versatile monomer with a wide range of applications across various industries. Its ability to improve adhesion, flexibility, and durability makes it an essential component in coatings, adhesives, polymers, biomedical products, textiles, and construction materials.

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  • Applications of Hydroxypropyl Acrylate in Sealants

    Applications of Hydroxypropyl Acrylate in Sealants

    Hydroxypropyl Acrylate (HPA) is a versatile monomer widely used in the formulation of sealants for various applications. Here are some specific applications of HPA in sealants: Enhanced Adhesion: HPA improves adhesion to a wide range of substrates, including metals, glass, plastics, and concrete. This property is essential for creating strong and durable seals in construction, automotive, and industrial applications. Flexibility and Toughness: Sealants containing HPA exhibit excellent flexibility and toughness, allowing them to accommodate movement and resist cracking or tearing. This makes them suitable for sealing joints and gaps in buildings, bridges, and other structures. Chemical Resistance: HPA enhances the chemical resistance of sealants, making them suitable for environments exposed to harsh chemicals, solvents, and corrosive substances. This property is particularly important in industrial settings and chemical processing facilities. Weatherproofing: Sealants formulated with HPA provide effective weatherproofing, protecting against moisture infiltration, UV radiation, and temperature fluctuations. They are commonly used in outdoor applications such as roofing, window sealing, and exterior caulking. Durability and Longevity: HPA-based sealants offer excellent durability and long-term performance, maintaining their sealing properties even under challenging conditions. This ensures extended service life and reduces the need for frequent maintenance or replacement. Construction and Building Maintenance: HPA sealants are widely used in construction and building maintenance for sealing joints, cracks, and gaps in concrete, masonry, and other building materials. They help prevent water intrusion, air leakage, and energy loss, contributing to energy efficiency and structural integrity. Automotive and Marine Applications: In the automotive and marine industries, HPA sealants are used for sealing seams, panels, and components to prevent water ingress, corrosion, and noise transmission. They provide reliable protection in demanding environments and contribute to vehicle and vessel longevity. General Purpose Sealants: HPA-based sealants find applications in various general-purpose sealing tasks, including plumbing, HVAC systems, and DIY projects. Their versatility, adhesion, and durability make them suitable for a wide range of sealing applications in both residential and commercial settings. Overall, Hydroxypropyl Acrylate (HPA) is a valuable component in sealant formulations, offering enhanced adhesion, flexibility, chemical resistance, and weatherproofing properties. Its applications span across construction, automotive, marine, and general-purpose sealing applications, contributing to durable and reliable seals in diverse environments.

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  • Hydroxyethyl methacrylate and ethylene glycol dimethacrylate

    Hydroxyethyl methacrylate and ethylene glycol dimethacrylate

    Hydroxyethyl methacrylate (HEMA) and ethylene glycol dimethacrylate (EGDMA) are both monomers used in polymer chemistry, particularly in the formulation of various polymeric materials. Let's take a closer look at each of them:   Hydroxyethyl Methacrylate (HEMA):   Chemical Structure: HEMA is a monomeric ester of methacrylic acid. Its chemical formula is C6H10O3C6?H10?O3?, and it has a hydroxy group (-OH) and an ethyl group (-C2H5).   Usage: HEMA is commonly used in the production of polymers and copolymers. It is used in adhesives, coatings, dental materials, and various other applications. Ethylene Glycol Dimethacrylate (EGDMA):   Chemical Structure: EGDMA is a dimethacrylate ester, meaning it has two methacrylate functional groups. Its chemical formula is C10H14O4C10?H14?O4?. The structure includes two methacrylate groups connected by an ethylene glycol linker.   Usage: EGDMA is often used as a cross-linking agent in the polymerization of various materials, including dental composites, adhesives, and coatings. It helps create a three-dimensional network in polymers, improving their mechanical properties.   Comparison:   While both HEMA and EGDMA are methacrylate-based monomers, they serve different roles in polymer chemistry.   HEMA is a monofunctional monomer with one methacrylate group, and it is commonly used to introduce hydrophilic properties into polymers.EGDMA is a difunctional monomer with two methacrylate groups, and it is often used as a cross-linking agent to increase the rigidity and strength of polymers.   In some applications, these two monomers may be used together in formulations to achieve specific properties in the resulting polymer or copolymer. Their combination allows for the tuning of the material's characteristics based on the desired application requirements.

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  • what is hydroxyethyl methacrylate

    what is hydroxyethyl methacrylate

    Hydroxyethyl methacrylate (HEMA) is a monomeric ester of methacrylic acid. It is a clear, colorless liquid with a characteristic acrid odor. The chemical formula of HEMA is C6H10O3, and its structure includes a hydroxy group (OH) and an ethyl group (-C2H5). The molecular weight of HEMA is approximately 130.15 g/mol.   Here are some key points about hydroxyethyl methacrylate:   Usage in Polymers: HEMA is widely used in the production of various polymers and copolymers. It undergoes polymerization reactions to form polymers with different properties, depending on the specific conditions and other monomers used in the process.   Cross-Linking Agent: It is often used as a cross-linking agent in the synthesis of hydrogels, which have applications in contact lenses, drug delivery systems, and biomedical materials.   Adhesives and Sealants: HEMA is a common component in the formulation of adhesives and sealants. It contributes to the adhesive properties and flexibility of the final product.   Dental Materials: In dentistry, HEMA is used in the production of dental materials, including adhesives, composites, and dental bonding agents.   Biomedical Applications: Due to its biocompatibility, HEMA is used in biomedical applications, such as in the development of controlled drug delivery systems and tissue engineering scaffolds.   UV-Curable Coatings: HEMA is utilized in UV-curable coatings, where exposure to ultraviolet (UV) light initiates the polymerization process, leading to the formation of a durable coating.   Textile Treatments: It may be used in the treatment of textiles to improve properties such as water repellency.   As with any chemical, it's important to handle hydroxyethyl methacrylate with care, and its use is subject to regulatory guidelines to ensure safety in various applications. Always follow recommended safety precautions and guidelines when working with or around this compound.

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