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Pentene has six isomers: 1-pentene (RON = 90.9 and MON = 77.1 [57]), cis-2-pentene (unknown octane number), trans-2-pentene (RON = 94 and MON = 80 [57]), 2-methyl-1-butene (RON = 100.2 and MON = 81.9 [API]), 2- methyl-2-butene (RON = 97.3 and MON = 84.7 [58]), and 3- methyl-1-butene (unknown octane number) as shown in Figure 4.
The RON 80 E0 1500/6 point had higher amounts of pentene and heptene, which made the "light alkyl" peak larger.
These peaks are attributed to ethylene and higher oligomers (propylene, butene, pentene, hexene as well as a series of alkanes), which arise from hydrogen transfer to different positions along the polymer chain [16].
Process Membrane materials Hydrogen sulfide Cellulose acetate (UOP) separation Polyether-block-amide Polyamide Polyether-urethane-urea Carbon dioxide Cellulose triacetate capture (Cynara) Cellulose acetate (UOP) Polyimide (UBE) Polyether-block-amide Polysulfone Polyamide Polyether-urethane- urea Hydrogen recovery Cellulose acetate (Separex) Polysulfone (PRISM) Polyimide (UBE) Polyetherimide Air separation Cellulose acetate Polysulfone (UOP) Poly(4-methyl-1- pentene) (GENERON) Polydimethylsiloxane (PRISM) Polyimide Polyamide Polyetherimide Water removal Polydimethylsiloxane (PRISM) Cellulose acetate Polysulfone Polyether-block-amide Polyimide VOC recovery Polydimethylsiloxane (GKSS) Polyimide (Upjohn) LPG Polydimethylsiloxane Poly[1-(trimethylsilyl) -1-propyne] NG: natural gas.
Iran will presently export its first pentene consignment.