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What is the realization principle of metal surface adhesion promoter?

Metal surface adhesion promoters are high molecular adhesion promoters, mainly used for metal substrates to improve the adhesion of UV coatings on their surfaces, especially for non-ferrous metals, such as aluminum alloys, zinc alloys, stainless steel, water It has a good effect of improving the adhesion of the paint film on the plated surface. For the spray painting of metal substrates, the key problem of whether UV coatings can be firmly attached to the substrate is solved.

The principle of adhesion promoter is that between spraying and the substrate and UV coating, after coating, due to adsorption, it can migrate to the surface of the substrate quickly. When spraying paint, it can form a chemical bond with the metal substrate by baking. It also has a good cross-linking reaction with ordinary paints, UV coatings, etc., to achieve the effect of improving adhesion.

In the actual spraying treatment of metal substrate products, metal surface adhesion promoters have been applied in many fields, such as stainless steel TV speaker mesh spray paint in 3C products, metal mobile phone frame spray paint UV varnish; in Japan Aluminum alloy vacuum plating hair curlers in chemical products; bottle opener spray paint in daily necessities, etc. With the application of metals and their alloys as raw materials and their combination with the painting process, there are more and more problems with the adhesion of metal surface painting, so how to improve the adhesion has also become a hot concern.

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