Process for producing petroleum resin

C - Chemistry – Metallurgy – 08 – F

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C08F 240/00 (2006.01) C09J 7/02 (2006.01)

Patent

CA 1048694

ABSTRACT OF THE DISCLOSURE A process for producing a petroleum resin which comprises polymerizing in the presence of a Friedel-Crafts catalyst a C5-fraction from cracked naphtha or oil gas, which has been subjected to an adjustment of the weight ratio of acyclic diolefins to monoolefins and the weight ratio of cyclic diolefins to monoolefins to from 0.40 to 0.70 and from 0.07 to 0.35, respectively. The resin has excellent performance characteristics particularly for use as an adhesive tape.

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