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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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  • 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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  • What products contain hydroxyethyl methacrylate? / What is hydroxyethyl methacrylate used for?

    What products contain hydroxyethyl methacrylate? / What is hydroxyethyl methacrylate used for?

    Hydroxyethyl methacrylate (HEMA) is a monomer commonly used in the production of various products, especially in the field of polymer chemistry and materials science. It is widely used in the manufacture of polymers and copolymers for applications such as adhesives, coatings, and dental materials. Here are some products that may contain hydroxyethyl methacrylate:   Adhesives: HEMA is often used in the formulation of adhesives, including those used in various industries such as automotive, construction, and electronics.   Dental Materials: HEMA is a common component in the formulation of dental materials, including dental adhesives, composites, and bonding agents.   Coatings: Hydroxyethyl methacrylate is used in the production of coatings, including paints and varnishes. It contributes to the development of coatings with desirable properties such as adhesion and durability.   Contact Lenses: Some hydrogels used in the production of soft contact lenses may contain hydroxyethyl methacrylate.   Medical Devices: HEMA can be found in certain medical devices, such as catheters and other polymer-based devices.   Textiles: It may be used in the treatment of textiles to enhance certain properties like water repellency.   Nail Products: Some nail products, such as certain types of artificial nails and coatings, may contain hydroxyethyl methacrylate.   It's important to note that the use of hydroxyethyl methacrylate in consumer products is subject to regulations and guidelines to ensure safety. Additionally, formulations may vary, and manufacturers may use different monomers or chemicals in their products. If you have specific concerns about a particular product, it's advisable to check the product's ingredients or contact the manufacturer for more information.

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