Free Technical Data Available: An explanation of acrylic and epoxy adhesives, including their advantages and disadvantages!
The dentist fills the cavity in the tooth with a soft paste-like "resin," and when they press the switch on the machine placed in the mouth, it hardens in an instant. In fact, that machine is a UV irradiation device. The "UV-curable adhesive" developed by DEXERIALS also hardens and bonds parts together in a similar manner to the dentist's resin by exposing it to UV light. There are other types of adhesives that harden by applying heat, but the advantages of UV-curable adhesives are as follows: 1. Quick curing: Adhesion can be achieved in just a few seconds. 2. Low damage: Can be applied to substrates with low heat resistance. 3. Space-saving: No need for large heating furnaces required for thermal processing. 4. Low odor: Does not use organic solvents. 5. Safety against heat: Processing with light ensures high safety for workers. 6. Energy-efficient and low-cost: Long-lasting LED light sources are used. 7. Pinpoint curing: Allows for localized adhesion by irradiating UV light in a narrow area. 8. Excellent abrasion resistance: Can achieve a high-quality appearance. *For more detailed information, please refer to the related links. Feel free to contact us for more details.
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"Acrylic-based (radical polymerization) and epoxy-based (cationic polymerization) adhesives: their advantages and disadvantages" UV-curable adhesives are currently divided into two main types based on their curing mechanisms. One is "acrylic-based adhesives," which cure through a "radical polymerization" reaction, and the other is "epoxy-based adhesives," which cure through a "cationic polymerization" reaction. In both cases, the energy from ultraviolet light excites the low molecular weight components (monomers) that make up the adhesive before it hardens, triggering a chain reaction that connects them together, transforming them into high molecular weight substances (polymers). Currently, many of the UV-curable adhesives available on the market are acrylic (radical) based. The reason for this is the wide range of options available for initiators that start the chain reaction and the primary raw materials for the adhesive monomers. On the other hand, while the options for materials in epoxy (cationic) based UV-curable adhesives are not as extensive as those for acrylics, they have a significant advantage of "low curing shrinkage." *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*
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Dexerials Corporation has business offices and sales bases not only in Japan but also in Asia, including China, as well as in Europe and the United States. We continue to provide products with new value that meet customer needs tailored to each market. By adding new technologies to our existing products, we aim to maintain and strengthen our business. Moving forward, we will boldly challenge the automotive and life sciences sectors, steadily nurturing and expanding new businesses, while advancing the development of technologies that will pave the way for the future. As a company that creates new value that is not found anywhere else, we strive to maximize customer value and continue to challenge ourselves to become a trusted partner for our customers and society.