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Polyvinyl butyral,

Catalog Number
ACM63148652-4
CAS Number
63148-65-2
Product Name
Polyvinyl butyral,
Category
Engineering Plastics
Application
Polyvinyl butyral (PVB) is primarily used as an interlayer material in safety glass laminates, offering exceptional optical clarity, weather resistance, and impact resistance, while maintaining dimensional stability across a broad temperature range. The resin achieves this by leveraging its structural characteristics, which include butyral, alcohol hydroxyl, and acetate groups, derived during its synthesis from polyvinyl alcohol and butyraldehyde in the presence of an acid catalyst. When processed, PVB can be plasticized and extruded into films that effectively bond glass layers under heat and pressure, ensuring enhanced safety and durability in automotive and architectural applications. Additionally, PVB finds versatile use in other industries, such as coatings, adhesives, and ceramics, due to its good adhesion properties and compatibility with various materials. These applications highlight PVB's flexibility and multifunctional utility, making it an essential component in diverse manufacturing processes.
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