Synonyms:
2-methyl-1,3-butadiene polymer with 2-methyl-1-propene ; pb 100 (polymer) ; pb 400 ; butylrubber ; isobutylene-isoprene elastomer ; butyl rubber ; fine particle rubber ; isobutylene/isoprene copolymer ; lanxess butyl 402 ; brominated butyl rubbervalid heading during volumes 126-130 (1997-june1999) only ; lm butyl md 504 ; butyl rubberisobutylene-isoprene copolymers are indexed here ; 1,3-butadiene,2-methyl-,polymers,polymer with 2-methyl-1-propene ; poly(isobutylene-co-isoprene) ; pb 100 ; pb 600 ; lm butyl ; lanxess butyl 100 ; isoprene, polymer with 2-methylpropene (8ci) ; lanxess butyl
