Akụkụ C9 gbawara agbawa na-enwekarị ogige hydrocarbon aromatic unsaturated dị ka vinyl toluene, indene, methylstyrene, petroleum resin wdg C9 na-ewebata n'ime akụrụngwa C5, resin mmanụ na ndakọrịta nke resin C5/C9 nke enwetara site na copolymerization nke ha abụọ. A na-emezi polymers polar, mmanụ mmanụ dịka ọmụmaatụ Ọ nwere ike melite ndakọrịta na resin EVA. N'ihi njiri mara nke resin aliphatic na aromatic, mmanụ mmanụ, ọ nwere ezigbo solubility n'ọtụtụ ihe mgbaze ma na-eme ka nguzogide okpomọkụ na nguzogide ihu igwe nke resin aliphatic.
A na-emepụta resin mmanụ C5/C9 site na mmeghachi omume na okpomọkụ nke ụlọ. Ịgbanwe nha ndakọrịta nke C5 na C9 nwere ike nweta resins nwere ihe dị iche iche. Ọnụ ọgụgụ dị elu nke C9, mmanụ mmanụ na-eme ka ebe dị nro na viscosity nke resin na-ebelata ọnụ ahịa bromine. Usoro mmepụta nke C5/C9 copolymer resin, Petroleum Resin belụsọ maka mkpa ọ dị ịbawanye obere pretreatment C9 iji nweta akụkụ C9 dị mkpa, resin petroleum usoro ahụ bụ ihe dị ka C5 aliphatic petroleum resin.
Hydrogenated petroleum resin: Site na ngwa ngwa nke nrapado na-ekpo ọkụ na teepu ntanye, a na-etinye ihe ndị dị elu nke mmanụ petroleum resins na agba nke resin petroleum, mmanụ mmanụ, karịsịa akwa akwa akwụkwọ (nke a na-ewepụ) na ngwaahịa ịdị ọcha chọrọ resins mmanụ na-enweghị agba. A bịara nwee resin mmanụ ala. Hydrogenation nke resin bụ igbari resin n'ime ihe mgbaze inert na hydrogenate n'okpuru ọnọdụ usoro mmiri mmiri. Ihe na-eme ka hydrogenation nke a na-ejikarị eme ihe bụ ihe na-emepụta nickel.