Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1983-01-18
1985-07-23
Smith, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526124, 526153, 5263482, 5263485, 5263486, 526902, C08F 402, C08F 1002
Patent
active
045309833
ABSTRACT:
A process for catalytic homo- or co-polymerization of ethylene under the conditions of a pressure of at least 300 kg/cm.sup.2, a temperature of at least 180.degree. C., a contact time with a catalyst of 10 to 150 seconds and substantial absence of a solvent is disclosed. The catalyst used comprises Components A and B where Component A is a solid composition prepared by mixing and pulverizing (1) a magnesium halide, (2) titanium trichloride, and (3) an electron donor and Component B is an organoaluminum compound containing a halogen.
REFERENCES:
patent: 4107413 (1978-08-01), Giannini et al.
patent: 4107414 (1978-08-01), Giannini et al.
patent: 4410672 (1983-10-01), Inazawa
Hagiwara Akito
Kageyama Yoshiteru
Matsuura Mitsuyuki
Shimada Takeo
Mitsubishi Petrochemical Company Limited
Smith Edward J.
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