SEARCH Articles Figures Tables 2-Methyl-l,3-butadiene Isoprene) 5- -2,2-dimethyl Isoprene: 1,3-Butadiene, 2-methyl Isoprene 1,3-Butadiene, 2-methyl Methyl isoprene polymerization Styrene-isoprene-methyl methacrylate