Process for the production of ethylene-propylene elastomeric cop

Details Process for the production of ethylene-propylene elastomeric cop Process for the production of ethylene-propylene elastomeric cop

1996-09-16

1998-09-08

Wu, David W.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523333, 524423, 524425, 5261241, 526129, 526904, C08K 902

Patent

active

058046143

ABSTRACT:
Process for the preparation in liquid phase of copolymers of ethylene with propylene and optionally another diene, in the presence of a catalyst selected from (a) Titanium salt supported on magnesium salt and (b) compound of Vanadium soluble in hydrocarbon solvents either supported on an inert material or prepolymerized, and a co-catalyst essentially consisting of an organic compound of Aluminium, and a possible chlorinated activator, characterized in that:

REFERENCES:
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patent: 4124562 (1978-11-01), Yui et al.
patent: 5013773 (1991-05-01), Nomura et al.
patent: 5086132 (1992-02-01), Joyce
patent: 5374695 (1994-12-01), Tanaglia et al.
patent: 5412025 (1995-05-01), Fries
patent: 5480850 (1996-01-01), Cann et al.
patent: 5491208 (1996-02-01), Tanaglia et al.
Patent Abstracts of Japan, vol. 095, No. 011, 26 Dec. 1995 & JP 07 224128 A (Tosh Corp), 22 Aug. 1995 *abstract*.

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