Solid component of catalyst for the (co) polymerization of ethyl

Details Solid component of catalyst for the (co) polymerization of ethyl Solid component of catalyst for the (co) polymerization of ethyl

1992-07-20

1993-07-13

Garvin, Patrick P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502119, 502120, 526114, 526119, 526352, C08F 4656

Patent

active

052274390

ABSTRACT:
A solid component of catalyst for the (co)polymerization of ethylene is composed of a silica carrier and a catalytically active part which includes titanium, magnesium, chlorine and also alkoxy groups, and is obtained: by suspending an activated silica in an ethanolic solution of magnesium chloride; by contact of the suspension with an alkoxy or halogen alkoxyde of titanium and with a silicon halide; by eliminating the ethanol from the resulting suspension in order to recover a solid matter; and by making this solid react with an aluminium alkyl chloride.

REFERENCES:
patent: 4399054 (1983-08-01), Ferraris et al.
patent: 4421674 (1983-12-01), Invernizzi et al.
patent: 4467044 (1984-08-01), Band
patent: 4843049 (1989-06-01), Invernizzi et al.
patent: 4843132 (1989-06-01), Werner et al.

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