Process for hydrotreating resins to lighten color

Details Process for hydrotreating resins to lighten color Process for hydrotreating resins to lighten color

C - Chemistry, Metallurgy

08

F

C08F 8/04 (2006.01)

Patent

CA 2116903

The color of hydrocarbon resins having carbon-carbon double bonds and containing color bodies is lightened by a hydrotreating process comprising the single step of contacting the resin with hydrogen in the presence of a catalyst that promotes the hydrogenation of the color bodies without substantially changing the content of carbon-carbon double bonds in the resin. The preferred catalysts are copper chromite and copper/zinc. are prefer

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