What is the monomer of natural rubber?The monomer unit for natural rubber is isoprene. Its IUPAC name is 2-methylbut-1,3-diene.An addition polymerisation joins thousands of isoprene units together to form poly(isoprene) or natural rubber. Natural rubber propertiesNatural rubber is elastic. (a) In its ordinary state, the rubber polymer chain is … [Read more...] about What is the monomer of natural rubber?