Synthetic Rubber -

: In the 1950s, Karl Ziegler and Giulio Natta developed catalysts that allowed for the creation of "synthetic natural rubber" (cis-polyisoprene), which mimics the structure of tree-harvested rubber almost perfectly. Common Types and Their Applications

Today, specialized varieties are engineered for specific industrial needs: synthetic rubber

The Evolution of Synthetic Rubber: From Wartime Necessity to Modern Essential : In the 1950s, Karl Ziegler and Giulio