Olefine polymerization with supported catalysts

Details Olefine polymerization with supported catalysts Olefine polymerization with supported catalysts

1979-10-17

1980-12-16

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252455R, 252463, 252464, 252465, 526 95, 526101, 526107, 526352, 526907, C08F 462, C08F 466, C08F 468

Patent

active

042398720

ABSTRACT:
Polymerization catalysts are prepared by impregnation of a silica or aluminum support with a vanadium, titanium and/or chromium salt decomposable upon calcination to the oxide, calcining the impregnated support at about 500.degree.-700.degree. C., impregnating the calcined support with a solution of aluminum hydride and heating the resultant material to about 300.degree. C.-500.degree. C. in hydrogen. The catalyst is extremely active for the polymerization of lower molecular weight olefins such as ethylene and ethylene-propylene mixtures.

REFERENCES:
patent: 2912419 (1959-11-01), Peters et al.
patent: 3146209 (1964-08-01), Byrne et al.
patent: 3526601 (1970-09-01), Fotis et al.
patent: 3897364 (1975-07-01), Colombo et al.

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