Process for the production of crystalline propene-ethene-butene-

Details Process for the production of crystalline propene-ethene-butene- Process for the production of crystalline propene-ethene-butene-

1974-10-16

1976-05-25

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

526 79, 526154, 526158, 526348, 528503, C08F29708, C08F21008, C08F21016

Patent

active

039594092

ABSTRACT:
In a low pressure process for the production of crystalline propene-ethene-butene-1 terpolymers with 0.2 to 10% by weight of ethene and 0.2 to 5% by weight of butene-1 with the aid of mixed catalysts of TiCl.sub.3 or TiCl.sub.3 .sup.. n AlCl.sub.3 (n = 0.2 to 0.6), and chlorine-containing organoaluminum compounds, the improvement comprising conducting the polymerization in butene-2 or in a C.sub.4 -cut containing 20-99% butene-2, containing 0.1 - 2.5% of butene-1, with the addition of 0.2 to 10% of ethene, based on the amount of propene employed.

REFERENCES:
patent: 2918457 (1959-12-01), Jezl
patent: 3002961 (1961-10-01), Kirschner et al.
patent: 3162620 (1964-12-01), Gladding
patent: 3197452 (1965-07-01), Natta et al.
patent: 3332921 (1967-07-01), Cleary
patent: 3378606 (1968-04-01), Kontos
patent: 3461110 (1969-08-01), Rice et al.
patent: 3520859 (1970-07-01), Schrage et al.
patent: 3705884 (1972-12-01), Frese

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