Polyisobutylene, a copolymer of isobutylene and isoprene, is used extensively in the manufacture of inner tubes of tires, adhesives, agricultural chemicals, caulks, sealants, pulp & paper, and chewing gum, among others. It possesses thermal stability, good flexibility, and impermeability to gases. Additionally, it offers high resistance to acids, alkalis, and salts. Mais
