Polymerization reactions in the presence of a catalyst containin

Details Polymerization reactions in the presence of a catalyst containin Polymerization reactions in the presence of a catalyst containin

1979-11-21

1981-03-03

Hamrock, William F.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

252430, 252432, 526185, 526186, 526189, 526195, 585457, C08F 452, C08F 412

Patent

active

042542944

ABSTRACT:
Process for polymerizing olefinic hydrocarbons at a temperature from 0.degree. to 90.degree. C., preferably from 20.degree. to 80.degree. C. in the presence of a catalyst containing aluminum oxide and, per part by weight thereof, boron oxide in a proportion of 0.01 to 1, preferably 0.07 to 0.15 part by weight and halogen in a proportion of 0.5 to 20%, preferably 4 to 12%, said catalyst resulting from the reaction of an aluminum compound of formula AlX.sub.y R.sub.(3-y) where X is halogen, R is a hydrocarbon radical and y is selected from 1, 3/2, 2 and 3, with a carrier containing aluminum oxide and boron oxide in a proportion to aluminum oxide from 1 to 100%.

REFERENCES:
patent: 3448064 (1969-06-01), Tomomatsu
patent: 4062805 (1977-12-01), Franck et al.
patent: 4092371 (1978-05-01), Franck et al.

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