Organoaluminum compounds and their method of preparation (P-1038)
AssigneeExxon Research & Engineering Co.
InventorDennis B. Malpass
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Abstract
An organoaluminum compound is provided, said organoaluminum compound being represented by the formula R.sub.1 R.sub.2 AlR.sub.p wherein R.sub.1 & R.sub.2 are the same or different hydrocarbyl groups having from 1 to 18 carbon atoms and R.sub.p is a polymeric hydrocarbyl group containing long chain branching said organoaluminum compound being useful for obtaining long chain branching in polymer product obtained by polymerizing a polymerizable olefin in the presence of transition metal-containing catalyst and said organo organoaluminum compound.
Claims3
An organoaluminum compound of the general formula R.sub.1 R.sub.2 AlR.sub.p wherein R.sub.1 and R.sub.2 are the same or different hydrocarbyl groups having from 1 to 18 carbon atoms and R.sub.p is a polymeric hydrocarbyl group having a number average molecular weight in the range of about 1000 to about 100,000 and a long chain branching frequency of about 0.0005 to about 0.0005 per unit molecular weight.
Dependencies are inferred from the claim text.