CA2267939A1 - Chloride process for making catalyst - Google Patents

Chloride process for making catalyst Download PDF

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Publication number
CA2267939A1
CA2267939A1 CA 2267939 CA2267939A CA2267939A1 CA 2267939 A1 CA2267939 A1 CA 2267939A1 CA 2267939 CA2267939 CA 2267939 CA 2267939 A CA2267939 A CA 2267939A CA 2267939 A1 CA2267939 A1 CA 2267939A1
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CA
Canada
Prior art keywords
catalyst
chloride process
making catalyst
compound
alkylaluminum compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2267939
Other languages
French (fr)
Other versions
CA2267939C (en
Inventor
Mark Kelly
Dusan Jeremic
Victoria Ker
Charles Russell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nova Chemicals Corp
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Nova Chemicals Corp
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Publication of CA2267939A1 publication Critical patent/CA2267939A1/en
Application granted granted Critical
Publication of CA2267939C publication Critical patent/CA2267939C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The present invention provides a novel process for preparing a catalyst, preferably free of electron donor, useful in gas phase polymerization of olefins having a broad polydispersity. The catalyst is prepared by contacting a dehydrated silica support with a first alkylaluminum compound, an organic chloride, a second alkylaluminum compound and an alkylmagnesium compound, and a source of titanium.
CA 2267939 1998-05-12 1999-04-06 Chloride process for making catalyst Expired - Lifetime CA2267939C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7628098A 1998-05-12 1998-05-12
US09/076,280 1998-05-12

Publications (2)

Publication Number Publication Date
CA2267939A1 true CA2267939A1 (en) 1999-11-12
CA2267939C CA2267939C (en) 2007-06-05

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CA 2267939 Expired - Lifetime CA2267939C (en) 1998-05-12 1999-04-06 Chloride process for making catalyst

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CA (1) CA2267939C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006082048A1 (en) * 2005-02-03 2006-08-10 Basell Polyolefine Gmbh Catalyst systems of the ziegler-natta type and a process for preparing them
US10155831B2 (en) * 2013-09-05 2018-12-18 Univation Technologies, Llc Process control for long chain branching control in polyethylene production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006082048A1 (en) * 2005-02-03 2006-08-10 Basell Polyolefine Gmbh Catalyst systems of the ziegler-natta type and a process for preparing them
US10155831B2 (en) * 2013-09-05 2018-12-18 Univation Technologies, Llc Process control for long chain branching control in polyethylene production
US10513572B2 (en) * 2013-09-05 2019-12-24 Univation Technologies, Llc Process control for long chain branching control in polyethylene production

Also Published As

Publication number Publication date
CA2267939C (en) 2007-06-05

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