O le sauniuniga o le C9 petroleum resin o loʻo faʻapea: o mea mataʻutia ua muaʻi togafitia e aveese (bis) cyclopentadiene ma isoprene, Petroleum Resin e maua ai mea mataʻutia ma se vaega tele o le sili atu i le 50%, Petroleum Resin ona faʻaopopo lea o se vailaʻau manogi manogi. i lalo o le puipuiga o le nitrogen, Petroleum Resin Ona faaopoopo lea o le catalyst AlCl3. Taofi le vevela i le 25, Petroleum Resin fa'aopoopo malie le piperylene ma le comonomer, pulea le fua fafaga ina ia le sili atu le vevela o le 40, Petroleum Resin ma le mea mautu i totonu o le reactor e 45% ~ 50%, ma o le taimi polymerization e. 1~ 2h. A maeʻa le polymerization, Petroleum Resin le oloa e auina atu i le alkali scrubber. O le pito i luga o le koluma o le decatalyzed polymerization vai, Petroleum Resin lea e auina atu i le vai scrubber e aveese le vai alkali ma catalyst totoe i le vai polymerization. O le pito i luga o le vai koluma alu i le stripper ma vacuum distillation olo , Distilling diluent, Petroleum Resin vaega unpolymerized ma oligomers e maua ai le molecular mamafa mamafa gaʻo lining gaʻo.
Filifilia comonomers eseese e mafai ona faʻaleleia le faʻatinoga o le resini ma maua ai resini faʻapitoa eseese. Mo se faʻataʻitaʻiga, copolymerization ma le methyl styrene e mafai ona faʻaleleia ai mea faʻapipiʻi o le resin; Petroleum Resin copolymerization ma isobutylene e mafai ona maua resins ma vaapiapi tufatufaina mamafa molecular; Petroleum Resin copolymerization ma cyclopentene e mafai ona maua resins ma tulaga faamaluluina maualuga. O comonomers e masani ona fa'aaogaina o maleic anhydride, terpenes, Petroleum Resin aromatic compounds.
