Polymers are long-chain molecules that contain tens of thousands of monomers. For this reason, polymers are called macromolecules. Examples of naturally available polymers are cellulose, cotton, starch, wool, proteins, and silk. The synthetic polymers are polystyrene, polyethylene, and nylon. The beginning of polymer science may be traced back to the mid-nineteenth century. Charles Goodyear in 1830 succeeded in transforming the sticky latex of natural...