ES409932A1 - Catalyst system preparation and olefin polymerisation therewith - Google Patents

Abstract

Procedure for obtaining olefinic polymers by olefin polymerization, at temperatures from 0 to 200ºC and pressures from 0.1 to 200 atmospheres, by means of a catalyst system of (1) a support material of fine particles, showing a particle diameter of 0, 1 to 2000 microns, inorganic, containing metals and halogen, in each case in chemical bond, as well as (2) a catalyst applied to the support material, of the Ziegler type, of (2.1) a catalytic component of a chloride, oxychloride or titanium, zirconium or vanadium alkoxychloride, as well as (2.2.) A catalytic component of a saturated metal alkyl, saturated metal alkoxyalkyl, or metal, magnesium or zinc saturated metal alkyl halide, characterized in that a system is used catalytic in which (A) the support material (1) is a material, which has been obtained by keeping it under heat for 1 to 100, preferably 2 to 50 hours at a temperature ra 110 to 600, preferably 200 to 400 ° C, and subsequent halogenation to a halogen content of the material of 20 to 70, preferably 30 to 65% by weight, of a substance of general formula (MeII) m. (MeIII) n . (OH) o. (CO3) p. (H2O) q, in which MeII means a metal, or transition metal, present in a divalent state; MeIII a metal, or transition metal, present in a trivalent state, an integer from 2 to 8, n an integer from 2 to 4, or an integer from 8 to 18, p an integer from 1 to 2 , q an integer from 2 to 6, under the condition that the relation 2.m + 3.n = or + 2.p = is equal to an integer from 16 to 26, and (B) the components are joined by joining the support material (1) first with a stop of the catalytic component (2.2) to form a previous stage of the catalytic system, then, this first stage meets with the catalytic component (2.1) to form a second previous stage of the catalytic system and finally This second stage meets with a further part of the catalytic component (2.2) to form the catalytic system itself; under the conditions that in the first preliminary stage per 100 grams of support material (1) 0.01 to 10 mol-grams of catalytic component (2.2) correspond to the fact that in the second preliminary stage per 100 grams of support material (1) 0.015 corresponds to 40 moles-grams of catalytic component (2.1) and that in the catalytic system itself the atomic ratio between the transition metal of the catalytic component (2.1) and the metal of the part of the second catalytic component (2.2) attached with the second previous stage, it is in the area between 100: 10 and 100: 20,000 (Machine-translation by Google Translate, not legally binding)