2-Vinylpyridine - Intermediate for Automotive
2-Vinylpyridine is copolymerized with styrene and butadiene to make a Vinylpyridine latex, which is used for rubber bonding in tires.
2-Vinylpyridine is a reactive monomer and once polymerized, the nitrogen is less exposed/accessible than its counterpart, 4-Vinylpyridine. It can be copolymerized with many other monomers, in particular cationic monomers, such as acrylamide, acrylates, and also with other vinyl-based monomers (e.g. styrene). The benefit of the addition of a 6-membered heterocyclic moiety is the increased Van der Waals forces which impart better electrostatic forces to the finished polymer, improving adhesion.
Vinylpyridines provide a unique set of properties to wide range of applications due to good thermal stability, chemical stability, mild basicity, mild pH trigger, and compatibility with most polymerization techniques.
Tires - Fabric Dipping and Rubber Bonding
2-Vinylpyridine is copolymerized with styrene and butadiene to make a Vinylpyridine latex. The fabric components of the tire are dipped in the Vinylpyridine latex to provide adhesion between the fabric and the rubber of vehicle tires. 2-Vinylpyridine plays a major role in strength and durability by promoting this bond. The difference in modulus and elongation between the fabric and rubber make this an important application contributing to the safety and performance of over 2.5 billion tires per year.
2-Vinylpyridne is similarly used in belts, hoses, conveyor systems and other industrial machinery to provide high strength bonding between synthetic fabrics and rubber compounds.
Melt Point (°C)
Values shown in the above table are typical properties.
Critical component to tire strength and performance
Helps provide adhesion between fabric and rubber
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