Process for manufacturing petroleum resin

Details Process for manufacturing petroleum resin Process for manufacturing petroleum resin

C - Chemistry, Metallurgy

08

F

C08F 10/00 (2006.01) C08F 8/00 (2006.01) C08F 10/14 (2006.01) C08F 240/00 (2006.01) C08G 65/332 (2006.01)

Patent

CA 2062332

A process for manufacturing a petroleum resin is disclosed. The process comprises, polymerizing a petroleum fraction containing unsaturated hydrocarbons in the presence of a Friedel-Crafts catalyst, and washing the polymerized product with water or an alkaline solution in the presence of 1-200 ppm of a polymer having a hydroxyl value of 40-120 mg KOH/g and represented by formula (I): Image wherein R1 represents a C4-16 alkyl group, each R2 individually represents H or a methyl group, each X individually represents H, an alkyl or an aminomethyl group, n is an integer of 0-8, and m is an integer of 8-20. The process can remarkably shorten the time required for the separation of oil from water after the polymerization, producing transparent, light-colored, petroleum resins with a low ash content.

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