Process for producing hydrocarbon resins having improved...

Details Process for producing hydrocarbon resins having improved... Process for producing hydrocarbon resins having improved...

C - Chemistry, Metallurgy

08

F

402/109, 402/310

C08F 240/00 (2006.01)

Patent

CA 1134994

ABSTRACT This invention relates to a process for producing a hydrocarbon resin having improved color and thermal stability, which comprises treating a petroleum cracking or reforming fraction containing cationically poly- merizable hydrocarbons and not more than 0.7% by weight, based on the fraction, of cyclopentadienes and having a boiling range of from 140°C to280°C, with 0.8 to 3.0 moles, per mole of the cyclopentadienes, of a dienophile compound having a carbon-to-carbon double bond and a carbonyl or cyano group adjacent to the double bond; and then polymerizing the treated petroleum fraction in the presence of a polymerization catalyst.

318616

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