C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/714.6
C07C 9/22 (2006.01)
Patent
CA 1113969
ABSTRACT OF THE DISCLOSURE A process for hydrogenating polymers which are derived from olefin units containing 4 carbon atoms is disclosed whereby white oils which exhibit a low iodine value (e.g., below 0.26) are obtained under relatively mild reaction conditions. The hydrogenation is effected in the presence of a catalyst comprising a noble metal selected from the group of platinum and palladium on an alumina support exhibiting a total pore volume of at least about 0.25 ml/g wherein if the noble metal is platinum, about 90 to about 98% of the pore volume is provided by pores the mean size of which is less than 100%, and if the noble metal is palladium, about 35 to about 50% of the pore volume is provided by small size pores the mean size of which is less than 300.ANG. ? 50.ANG. and about 25 to about 35% of the pore volume is provided by large size pores the mean size of which is above 300.ANG. ? 50.ANG. with the mean size of the large size pores being at least 1.5 times the mean size of the small size pores.
365384
Cahen Raymond M.
Debande Guy F.s.
Grootjans Jacques F.j.
Labofina S.a.
Ridout & Maybee Llp
LandOfFree
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