C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/101, 402/632
C08F 4/22 (2006.01) C08F 4/62 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01) C08F 110/02 (2006.01)
Patent
CA 1307619
ABSTRACT OF THE DISCLOSURE Improved mixed chromium catalysts useful in particle form polymerizations to produce readily processable high density polyolefin resins which also have high resistance to environmental stress cracking are provided. First and second chromium-containing catalyst components obtained using silica supports of different pore volumes and wherein one of the catalyst components also contains aluminum are employed for the preparation of the mixed catalysts. The polymerization process and products obtained using the above-described mixed catalysts are also described.
565782
Katzen Stanley J.
Rekers Louis J.
Mcfadden Fincham
Quantum Chemical Corporation
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