SEARCH Articles Figures Tables Brominated isobutylene isoprene rubber Brominated isobutylene-isoprene copolymer Chlorinated isobutylene isoprene rubber Chlorinated isobutylene-isoprene copolymer Copolymer of isobutylene and isoprene HR isobutylene-isoprene rubber Isobutylene Isobutylene and isoprene, butyl rubbers Isobutylene isoprene from Isobutylene-Isoprene Rubbers Isobutylene-isoprene (butyl Isobutylene-isoprene compounds Isobutylene/isoprene copolymer Rubber isobutylene, isoprene polymer