Process for the preparation of polymeric mixtures based on EP (D

Details Process for the preparation of polymeric mixtures based on EP (D Process for the preparation of polymeric mixtures based on EP (D

1997-03-27

1998-07-14

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 79, 526 87, 526143, 526144, 5261692, 526339, 526904, 526905, 525270, 525322, 525324, C08F 468, C08F 214

Patent

active

057805709

ABSTRACT:
Process with two or more steps for the preparation in suspension of mixtures of ethylene-propylene (EPM) elastomer homopolymers or ethylene-propylene-diene (EPDM) elastomer terpolymers in the presence of a catalytic system essentially consisting of a compound of Vanadium and a cocatalyst essentially consisting of an Aluminum alkyl and in the presence of an activator, the above process being characterized in that:

REFERENCES:
patent: 4078131 (1978-03-01), de Zarauz
patent: 5082908 (1992-01-01), Imai et al.
patent: 5374695 (1994-12-01), Tanaglia et al.
patent: 5491208 (1996-02-01), Tanaglia et al.
patent: 5516862 (1996-05-01), Yamamoto et al.

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