Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1983-01-03
1984-10-23
Garvin, Patrick
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502118, 502128, 502127, 502121, 502122, 502123, 502125, 502126, 502127, 526201, 526144, C08F 464
Patent
active
044789513
ABSTRACT:
Extremely strong, i.e., non-friable TiCl.sub.3 Ziegler-type polymerization catalyst are obtained by prepolymerizing a reduced solid TiCl.sub.3 product with a mixture of propylene and linear C.sub.8 -C.sub.18 alpha-olefin to produce a reduced solid TiCl.sub.3 product containing 5 to 35 weight percent of a copolymer of propylene and C.sub.8 -C.sub.18 alpha-olefin having a ratio of the infrared spectrum of the copolymer at 720 cm.sup.-1 : the infrared spectrum of the copolymer at 975 cm.sup.-1 in the range of 0.04 to 0.20.
REFERENCES:
patent: 3135809 (1964-06-01), Bosmajian
patent: 4295991 (1981-10-01), Wristers
patent: 4324693 (1982-04-01), Arzoumanidis et al.
patent: 4325837 (1982-04-01), Capshew et al.
Exxon Research & Engineering Co.
Garvin Patrick
Kurtzman M. B.
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