Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1976-12-09
1978-07-04
Smith, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
252429B, 252429C, 526119, 526122, 526127, 526142, 526158, 526351, 526906, C08F 466, C08F 1006
Patent
active
040989070
ABSTRACT:
A method of preparing reformed titanium trichloride catalyst for .alpha.-olefin polymerization which comprises simultaneously pulverizing an organoaluminum compound and a crystalline titanium trichloride compound, the latter comprising titanium trichloride and aluminum trichloride, subsequently treating the pulverized mixture with a solvent selected from oxygen-containing organic compounds, and finally treating the thus treated titanium trichloride with a halide of a metal selected from the groups IV and V of the periodic table.
REFERENCES:
patent: 3984350 (1976-10-01), Karagannis et al.
Kato Atsumi
Takahashi Yoshikazu
Tokunaga Shoichi
Yamane Kiyoshi
Smith Edward J.
Toyo Stauffer Chemical Co., Ltd.
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