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BR8005670A - Processo de preparacao de um sistema catalitico tipo ziegler e sua utilizacao na obtencao de polietileno de altissimo peso molcular - Google Patents

Processo de preparacao de um sistema catalitico tipo ziegler e sua utilizacao na obtencao de polietileno de altissimo peso molcular

Info

Publication number
BR8005670A
BR8005670A BR8005670A BR8005670A BR8005670A BR 8005670 A BR8005670 A BR 8005670A BR 8005670 A BR8005670 A BR 8005670A BR 8005670 A BR8005670 A BR 8005670A BR 8005670 A BR8005670 A BR 8005670A
Authority
BR
Brazil
Prior art keywords
preparing
weight polyethylene
obtaining high
catalytic system
system type
Prior art date
Application number
BR8005670A
Other languages
English (en)
Inventor
J Abarca
Couto Filho O Do
Original Assignee
Petroleo Brasileiro Sa
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
Application filed by Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa
Priority to BR8005670A priority Critical patent/BR8005670A/pt
Publication of BR8005670A publication Critical patent/BR8005670A/pt

Links

BR8005670A 1980-09-05 1980-09-05 Processo de preparacao de um sistema catalitico tipo ziegler e sua utilizacao na obtencao de polietileno de altissimo peso molcular BR8005670A (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR8005670A BR8005670A (pt) 1980-09-05 1980-09-05 Processo de preparacao de um sistema catalitico tipo ziegler e sua utilizacao na obtencao de polietileno de altissimo peso molcular

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8005670A BR8005670A (pt) 1980-09-05 1980-09-05 Processo de preparacao de um sistema catalitico tipo ziegler e sua utilizacao na obtencao de polietileno de altissimo peso molcular

Publications (1)

Publication Number Publication Date
BR8005670A true BR8005670A (pt) 1982-05-04

Family

ID=4023712

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8005670A BR8005670A (pt) 1980-09-05 1980-09-05 Processo de preparacao de um sistema catalitico tipo ziegler e sua utilizacao na obtencao de polietileno de altissimo peso molcular

Country Status (1)

Country Link
BR (1) BR8005670A (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3823934A1 (de) * 1987-07-31 1989-02-09 Petroleo Brasileiro Sa Verfahren zur herstellung eines aethylenpolymerisationskatalysators und aethylenpolymerisationsverfahren
DE3837524A1 (de) * 1987-12-28 1989-07-06 Petroleo Brasileiro Sa Verfahren zur herstellung eines katalytischen systems vom zieglertyp und ein verfahren zur herstellung von polyaethylen mit extrem hohem molekulargewicht unter verwendung dieses systems

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3823934A1 (de) * 1987-07-31 1989-02-09 Petroleo Brasileiro Sa Verfahren zur herstellung eines aethylenpolymerisationskatalysators und aethylenpolymerisationsverfahren
US6018006A (en) * 1987-07-31 2000-01-25 Petroleo Brasileiro S.A. - Petrobras Process for preparing an ethylene polymerization catalyst and ethylene polymerization process
US6133188A (en) * 1987-07-31 2000-10-17 Petroleo Brasileiro S.A. - Petrobras Process for preparing an ethylene polymerization catalyst and ethylene polymerization process
DE3823934C2 (de) * 1987-07-31 2002-01-03 Petroleo Brasileiro Sa Verfahren zur Herstellung eines Ethylenpolymerisationskatalysators und Ethylenpolymerisationsverfahren
DE3837524A1 (de) * 1987-12-28 1989-07-06 Petroleo Brasileiro Sa Verfahren zur herstellung eines katalytischen systems vom zieglertyp und ein verfahren zur herstellung von polyaethylen mit extrem hohem molekulargewicht unter verwendung dieses systems
US4983693A (en) * 1987-12-28 1991-01-08 Petroleo Brasileiro S.A. -Petrobras Process for preparing a Ziegler type catalytic system and process for preparing ultra high molecular weight polyethylene

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19950905