SEARCH Articles Figures Tables Brominated isobutylene isoprene rubber Butyl rubber from isobutylene monomers Chlorinated isobutylene isoprene rubber HR isobutylene-isoprene rubber Isobutylene Isobutylene and isoprene, butyl rubbers Isobutylene-Isoprene Rubbers Rubber isobutylene, isoprene polymer