Process control in the presence of chromium based catalysts

Details Process control in the presence of chromium based catalysts Process control in the presence of chromium based catalysts

1997-03-21

1998-12-01

Weber, Thomas R.

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

Synthetic resins

Effecting a change in a polymerization process in response...

526 82, 526 84, 526106, C08F 234

Patent

active

058440542

ABSTRACT:
A continuous process for the polymerization of one or more alpha-olefins in the gas phase in the presence of a chromium based catalyst, under polymerization conditions including the reaction temperature, the pressure, and the target oxygen to alpha-olefin molar ratio operating point required for desired resin properties.

REFERENCES:
patent: 4540755 (1985-09-01), Mayhew et al.
patent: 5066736 (1991-11-01), Dumain et al.
patent: 5244987 (1993-09-01), Bernard et al.
patent: 5473027 (1995-12-01), Batchelor et al.

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