Method for producing a polymer

Details Method for producing a polymer Method for producing a polymer

2006-11-28

2006-11-28

Rabago, Roberto (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S909000, C502S103000, C502S104000, C502S107000

Reexamination Certificate

active

07141636

ABSTRACT:
The present invention relates to a process for preparing a catalyst, a novel polymer and a process for preparing the polymer. In particular, the invention provides a process for preparing a homopolymer and/or copolymer having an irregular particle structure anda melt flow index (MFR 190/15) of from 1.3 g/10 min to 10 g/10 min,a molecular weight distribution Mw/Mnof from 3 to 30,a bulk density of from 0.05 g/cc to 0.4 g/cc anda particle size of from 5 μm to 300 μm,which comprises polymerizing the monomers in the presence of a mixed catalyst comprising a titanium component and an organic aluminum compound and the presence of a molar mass regulator.

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