Role of High Molecular Weight Polyisobutylene in Adhesives and...

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2025-10-01 07:21:14 -

Role of High Molecular Weight Polyisobutylene in Adhesives and Sealants

The High molecular weight polyisobutylene is produced through low-temperature cationic polymerization of isobutylene. Its molecular weight can exceed 1 million g/mol, resulting in extremely high viscosity and unique physical properties. Unlike lower molecular weight PIB, HMPIB is solid or semi-solid, making it ideal for applications requiring durability and adhesion. Manufacturers use...

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