Process for the preparation of ethylene-propylene copolymers

Details Process for the preparation of ethylene-propylene copolymers Process for the preparation of ethylene-propylene copolymers

1997-09-30

1999-07-06

Wu, David W.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526172, 526904, 526905, 502108, 502110, C08F 218

Patent

active

059198770

ABSTRACT:
Process for the in situ polymerization of ethylene with C.sub.3 -C.sub.10 alpha-olefins in suspension of liquid monomer in the presence of a catalyst containing Vanadium obtained by the precipitation, in an atmosphere of ethylene or alpha-olefins, of:

REFERENCES:
patent: 3370052 (1968-02-01), Mostardini et al.
patent: 4579836 (1986-04-01), Arzoumanidis et al.
patent: 4970279 (1990-11-01), Bailly et al.
patent: 4981928 (1991-01-01), Agapiou
patent: 5166281 (1992-11-01), Chamla et al.
patent: 5480850 (1996-01-01), Cann et al.
Tony Whelan, "Polymer Technology Dictionary", p. 1, 1994.

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