As nouns the difference between isobutene and polyisobutene
is that isobutene is (organic compound) the unsaturated hydrocarbon methylpropene, (ch3)2c=ch2; used in the manufacture of polybutene and butyl rubber while polyisobutene is (organic chemistry) a polymer of isobutene; butyl rubber.
isobutene
English
Noun
(-)
(organic compound) The unsaturated hydrocarbon methylpropene, (CH3)2C=CH2; used in the manufacture of polybutene and butyl rubber.
Synonyms
*isobutylene
*methylpropene (IUPAC name )