SEARCH Articles Figures Tables Isoprene Polyisoprene, Rubber, natural Natural Rubber (NR) and Synthetic Polyisoprene Natural polyisoprenes Natural rubber (cis-1,4-polyisoprene Natural rubber or polyisoprene Natural rubber polyisopren Polyisoprene Polyisoprene natural and synthetic rubber Polyisoprene rubber Polyisoprenes Polyisoprenes rubber Synthetic polyisoprene Natural rubber Synthetic polyisoprene rubbers comparison with natural rubber