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Blocked polyisocyanates react with acrylic melamine resins through a deblocking process that occurs upon heating. The blocked isocyanate groups are released, allowing them to react with the hydroxyl groups present in the acrylic melamine resins. This reaction forms urea linkages, leading to the development of a crosslinked network that enhances the mechanical and chemical properties of the final film. This method is commonly used in coatings and adhesives to achieve improved durability and performance.

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1mo ago

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