[Free Technical Materials] "Surface Treatment" is Essential for Good Adhesion! Explaining the Major Differences Between Adhesion and Stickiness.
"Adhesion" and "stickiness." These are terms we often hear in daily life, but do you know the exact differences between them? The "adhesives" and "adhesive agents" produced by DEXERIALS have the same function of sticking (fixing) objects together. Therefore, stickiness is classified as a type of adhesion, but the difference lies in that adhesives achieve strong fixation, while adhesive agents allow for a more gentle fixation. When you adhere object A to object B, if you try to forcibly peel them apart, ultimately either A or B, or both, will break. In contrast, when it comes to stickiness, if you attempt to peel them apart, the adhesive that is sticking A and B together will break, but A and B will remain intact and can be reused in their original state. The reason components like smartphone touch panels are fixed with adhesive agents instead of adhesives is to take advantage of this property. By using adhesive agents, even after peeling the components apart during repairs, you can restore them to their original condition by using the adhesive agent again. *For more detailed information, you can view the related links. Please feel free to contact us for more details.*
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**Mechanism of Adhesives and Adhesives Bonding Objects** Generally, reactive adhesives bond objects by undergoing a chemical change triggered by heat or other factors from their original state. In contrast, adhesives are substances that possess stickiness and elasticity, remaining stable in that state even after bonding objects together. When adhesives bond objects, four changes occur at the interface: 1. Anchor effect: Adhesive penetrates into the uneven surfaces and solidifies to create a bond. 2. Electrostatic effect: Adhesion occurs due to the electrostatic forces resulting from electrical imbalances between the bonded objects. 3. Chemical bonding: Adhesion occurs through the scientific bonding of molecules at the interface between the bonded objects. 4. Mutual diffusion: Adhesion is achieved by dissolving the surfaces of the bonded objects, intertwining the molecules, and allowing them to solidify. Adhesives excel at bonding smooth, continuous surfaces when processed into tape or film forms. In contrast, liquid adhesives can penetrate uneven or narrow spaces and cure, making them suitable for bonding objects of various shapes. *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.