Scheme 1.
Tree view of the industrial applications of C4 streams. Polymers and polymer applications are highlighted in orange; fuels and fuel additives are highlighted in green. LPG=liquefied petroleum gas; MTBE=methyl‐tert‐butyl ether; ETBE=ethyl‐tert‐butyl ether; BHT=butylated hydroxytoluene; BHA= butylated hydroxyanisole; SBR=styrene butadiene rubber.