CA2020890A1 - Polymerization catalyst system - Google Patents

Polymerization catalyst system

Info

Publication number
CA2020890A1
CA2020890A1 CA 2020890 CA2020890A CA2020890A1 CA 2020890 A1 CA2020890 A1 CA 2020890A1 CA 2020890 CA2020890 CA 2020890 CA 2020890 A CA2020890 A CA 2020890A CA 2020890 A1 CA2020890 A1 CA 2020890A1
Authority
CA
Canada
Prior art keywords
catalyst system
polymerization catalyst
aluminoxane
hydroxy
activity
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 2020890
Other languages
French (fr)
Other versions
CA2020890C (en
Inventor
Andrzej Mieczyslaw Piotrowski
Elliot Isaac Band
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.)
Akzo America Inc
Original Assignee
Akzo America Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US07/386,938 external-priority patent/US4945076A/en
Application filed by Akzo America Inc filed Critical Akzo America Inc
Priority to CA 2020890 priority Critical patent/CA2020890C/en
Publication of CA2020890A1 publication Critical patent/CA2020890A1/en
Application granted granted Critical
Publication of CA2020890C publication Critical patent/CA2020890C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

The activity of olefin polymerization catalysts comprising a Group IVB transition metal compound and an aluminoxane can be improved by the addition of a hydroxy-siloxane compound.
CA 2020890 1989-07-28 1990-07-11 Polymerization catalyst system Expired - Lifetime CA2020890C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2020890 CA2020890C (en) 1989-07-28 1990-07-11 Polymerization catalyst system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/386,938 US4945076A (en) 1989-07-28 1989-07-28 Polymerization catalyst system
US386,938 1989-07-28
CA 2020890 CA2020890C (en) 1989-07-28 1990-07-11 Polymerization catalyst system

Publications (2)

Publication Number Publication Date
CA2020890A1 true CA2020890A1 (en) 1991-01-29
CA2020890C CA2020890C (en) 2001-11-20

Family

ID=25674197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2020890 Expired - Lifetime CA2020890C (en) 1989-07-28 1990-07-11 Polymerization catalyst system

Country Status (1)

Country Link
CA (1) CA2020890C (en)

Also Published As

Publication number Publication date
CA2020890C (en) 2001-11-20

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202