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The Evolving Role of Rubber in Mobility, Infrastructure, and Manufacturing
Rubber is an elastic material that can return to its original shape after being stretched or deformed, a property known as high elasticity. It is broadly categorized into two types: natural rubber, a milky colloidal suspension (latex) harvested primarily from the Hevea brasiliensis tree, and synthetic rubber, which is produced through the polymerization of petroleum-based monomers like styrene and butadiene (e.g., Styrene-Butadiene Rubber or SBR). In its raw form, both types are sticky, weak, and perishable. To become useful, they must undergo vulcanization, a chemical process invented by Charles Goodyear, where the polymer chains are cross-linked with sulfur under heat. This creates a three-dimensional network that vastly improves the material's strength, resilience, and temperature stability.
The applications of rubber are ubiquitous and critical to modern life. Its most significant use is in tires and tire products for all forms of transportation, consuming about 70% of global natural rubber production. Beyond…