C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/109, 402/584
C08F 4/16 (2006.01) C08F 4/64 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1132130
ABSTRACT OF THE DISCLOSURE: An .alpha.-olefin polymerizing titanium trichloride catalytic component prepared in such a manner that, in having a tita- nium trichloride cataylstic component separate out of a solution of saturated alphitic hydrocarbon and/or alicyclic hydrocarbon prepared by dissolving therein titanium tetra- chloride, an organic ether compound and an organo-aluminum compound which is expressed by a generic formula of A1RnX3-n, in which R represents an alkyl group having a carbon number of 0<n?3, the organo-aluminum compound is added at a solvent temperature not exceeding 55°C in the concomitant presence of 20 to 70% by volume of an aromatic hydrocarbon halide in the mixed solvent formed thereby and, following this, the solvent temperature is raised up to a valve between 45 and 150°C over a period of time 10 minutes to 24 hours to obtain the titanium trichloride catalytic component having high polymerization activity and also having highly uniform particle diameter, the avarage value of which is adjustable as desired between 10 and 1000 µ. Then, homo- or co-polymerization of .alpha.-olefin is carried out in the presence of a catalyst system consisting of this titanium trichloride catalytic component and an organo-aluminum compound to obtain a polymer which has highly uniform particle diameter and permits omission or simplifacation of deashing and washing process.
318506
Sunada Yoichi
Takahashi Yoshikazu
Takitani Masaru
Borden Ladner Gervais Llp
Toyo Stauffer Chemical Co. Ltd.
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