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Meccom Industrial Products: Exploring the Unique Characteristics of Butyl Rubber Insights

In the article “Butyl Rubber” on Wikipedia, the versatile synthetic rubber known as butyl is introduced. This copolymer of isobutylene with isoprene, represented by the abbreviation IIR, showcases unique properties that make it a valuable material in various applications.

Derived from the polymerization of approximately 98% isobutylene and 2% isoprene, butyl rubber is rooted in polyisobutylene. Structurally resembling polypropylene, it distinguishes itself with two methyl groups substituted on every other carbon atom. The resulting material, polyisobutylene, appears as a colorless to light yellow viscoelastic substance, often odorless and tasteless.

Emphasizing butyl rubber’s excellent impermeability to gas diffusion, this property is attributed to the long polyisobutylene segments in its polymer chains. Furthermore, the material exhibits good flexibility, making it a preferred choice for various applications.

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