CA2250577C - Cocatalyseur de metallocenes - Google Patents

Cocatalyseur de metallocenes Download PDF

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Publication number
CA2250577C
CA2250577C CA002250577A CA2250577A CA2250577C CA 2250577 C CA2250577 C CA 2250577C CA 002250577 A CA002250577 A CA 002250577A CA 2250577 A CA2250577 A CA 2250577A CA 2250577 C CA2250577 C CA 2250577C
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CA
Canada
Prior art keywords
hydrocarbyl
group
groups
methyl
composition
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.)
Expired - Fee Related
Application number
CA002250577A
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English (en)
Other versions
CA2250577A1 (fr
Inventor
David D. Devore
Francis J. Timmers
David R. Neithamer
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.)
Dow Global Technologies LLC
Original Assignee
Dow Global Technologies LLC
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Filing date
Publication date
Application filed by Dow Global Technologies LLC filed Critical Dow Global Technologies LLC
Priority claimed from PCT/US1997/004247 external-priority patent/WO1997036937A1/fr
Publication of CA2250577A1 publication Critical patent/CA2250577A1/fr
Application granted granted Critical
Publication of CA2250577C publication Critical patent/CA2250577C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Abstract

Cette invention concerne des cocatalyseurs de boratabenzène, et tout particulièrement des boratabenzènes de pentafluorophényle, qui s'avèrent être des cocatalyseurs ou activateurs utiles avec les métallocènes. Ces cocatalyseurs sont moins coûteux que les activateurs conformes à l'état antérieur de la technique, ils sont solubles et offrent des réactions plus irréversibles. Ces compositions comportent au moins un catalyseur de métallocène et au moins un dihydroboratabenzène ou un anion de celui-ci. L'invention concerne des procédés de polymérisation faisant usage de catalyseurs métallocènes en présence d'un cocatalyseur de boratabenzène ainsi qu'un procédé d'activation tel que les procédés d'électrolyse en vrac.
CA002250577A 1996-03-29 1997-03-20 Cocatalyseur de metallocenes Expired - Fee Related CA2250577C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1474596P 1996-03-29 1996-03-29
US60/014,745 1996-03-29
PCT/US1997/004247 WO1997036937A1 (fr) 1996-03-29 1997-03-20 Cocatalyseur de metallocenes

Publications (2)

Publication Number Publication Date
CA2250577A1 CA2250577A1 (fr) 1997-10-09
CA2250577C true CA2250577C (fr) 2005-11-15

Family

ID=35532505

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002250577A Expired - Fee Related CA2250577C (fr) 1996-03-29 1997-03-20 Cocatalyseur de metallocenes

Country Status (1)

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CA (1) CA2250577C (fr)

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Publication number Publication date
CA2250577A1 (fr) 1997-10-09

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