IT1190319B - Procedimento per la preparazione di polietilene a bassa o media densita' e catalizzatori adatti allo scopo - Google Patents

Procedimento per la preparazione di polietilene a bassa o media densita' e catalizzatori adatti allo scopo

Info

Publication number
IT1190319B
IT1190319B IT20123/86A IT2012386A IT1190319B IT 1190319 B IT1190319 B IT 1190319B IT 20123/86 A IT20123/86 A IT 20123/86A IT 2012386 A IT2012386 A IT 2012386A IT 1190319 B IT1190319 B IT 1190319B
Authority
IT
Italy
Prior art keywords
procedure
preparation
low
density polyethylene
medium density
Prior art date
Application number
IT20123/86A
Other languages
English (en)
Other versions
IT8620123A0 (it
IT8620123A1 (it
Inventor
Mauro Mirra
Renzo Invernizzi
Francesco Masi
Antonio Bani
Original Assignee
Enichem Polimeri
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 Enichem Polimeri filed Critical Enichem Polimeri
Publication of IT8620123A0 publication Critical patent/IT8620123A0/it
Priority to IT20123/86A priority Critical patent/IT1190319B/it
Priority to DZ870101A priority patent/DZ1096A1/fr
Priority to PT84691A priority patent/PT84691B/pt
Priority to IL82230A priority patent/IL82230A/xx
Priority to YU695/87A priority patent/YU44945B/xx
Priority to DE8787830149T priority patent/DE3763196D1/de
Priority to EP87830149A priority patent/EP0243327B1/en
Priority to CN87103866A priority patent/CN1044124C/zh
Priority to ES87830149T priority patent/ES2016654B3/es
Priority to AT87830149T priority patent/ATE53596T1/de
Priority to DD87301903A priority patent/DD260284A5/de
Priority to SU874202500A priority patent/RU2036201C1/ru
Priority to KR1019870003710A priority patent/KR940007561B1/ko
Priority to IN289/MAS/87A priority patent/IN169994B/en
Priority to MX006100A priority patent/MX169872B/es
Priority to AR87307324A priority patent/AR243907A1/es
Priority to CA000535120A priority patent/CA1277096C/en
Priority to BR8701878A priority patent/BR8701878A/pt
Priority to TR87/0466A priority patent/TR25022A/xx
Publication of IT8620123A1 publication Critical patent/IT8620123A1/it
Application granted granted Critical
Publication of IT1190319B publication Critical patent/IT1190319B/it
Priority to YU65290A priority patent/YU47431B/sh
Priority to HR930609 priority patent/HRP930609B1/xx
Priority to US08/436,645 priority patent/US5571877A/en
Priority to BA970161A priority patent/BA97161B1/bs

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02Ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/02Ethene
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
IT20123/86A 1986-04-17 1986-04-17 Procedimento per la preparazione di polietilene a bassa o media densita' e catalizzatori adatti allo scopo IT1190319B (it)

Priority Applications (23)

Application Number Priority Date Filing Date Title
IT20123/86A IT1190319B (it) 1986-04-17 1986-04-17 Procedimento per la preparazione di polietilene a bassa o media densita' e catalizzatori adatti allo scopo
DZ870101A DZ1096A1 (fr) 1986-04-17 1987-04-15 Méthode de préparation d'un polyéthylène à chaîne droite des faible ou moyenne densité, et catalyseurs appropries à cela.
PT84691A PT84691B (pt) 1986-04-17 1987-04-15 Processo de preparacao de polietileno de cadeia linear de baixa ou media densidade e de catalizadores adequados para o mesmo
YU695/87A YU44945B (en) 1986-04-17 1987-04-16 Ziegler type catalyzer for preparing polyethylene with low or medium density and straight chain
IL82230A IL82230A (en) 1986-04-17 1987-04-16 Ziegler-type catalysts for preparing low or medium-density straight-chain polyethylene
DE8787830149T DE3763196D1 (de) 1986-04-17 1987-04-16 Verfahren zur herstellung von linearem polyethylen von niedriger oder mittlerer dichte.
EP87830149A EP0243327B1 (en) 1986-04-17 1987-04-16 A method of preparing low or medium-densitity straight-chain polyethylene
CN87103866A CN1044124C (zh) 1986-04-17 1987-04-16 一种制备乙烯和C4-C6α-烯烃的低或中密度的直链共聚物的方法
ES87830149T ES2016654B3 (es) 1986-04-17 1987-04-16 Metodo de preparacion de polietileno de cadena recta de densidad baja o media, y catalizadores apropiados para este fin.
AT87830149T ATE53596T1 (de) 1986-04-17 1987-04-16 Verfahren zur herstellung von linearem polyethylen von niedriger oder mittlerer dichte.
DD87301903A DD260284A5 (de) 1986-04-17 1987-04-16 Verfahren zur herstellung von geradkettigen polyethylenen
SU874202500A RU2036201C1 (ru) 1986-04-17 1987-04-16 Способ получения катализатора сополимеризации этилена с бутеном-1
KR1019870003710A KR940007561B1 (ko) 1986-04-17 1987-04-17 저-밀도 또는 중-밀도 직쇄 폴리에틸렌의 제조방법 및 그에 적합한 촉매
AR87307324A AR243907A1 (es) 1986-04-17 1987-04-20 Metodo para la preparacion de polietilenos de baja o media densidad, de cadena recta.
IN289/MAS/87A IN169994B (it) 1986-04-17 1987-04-20
MX006100A MX169872B (es) 1986-04-17 1987-04-20 Metodo para la preparacion de polietilenos de baja o media densidad de cadena recta
CA000535120A CA1277096C (en) 1986-04-17 1987-04-21 Method of preparing low or medium-density straight- chain polyethylene,and catalysts suitable for this purpose
BR8701878A BR8701878A (pt) 1986-04-17 1987-04-21 Metodo de preparacao de polietilenos
TR87/0466A TR25022A (tr) 1986-04-17 1987-06-24 ALCAK VEYA ORTA DANSITELI DüZ ZINCIRLI POLIETILE- NIN HAZIRLANMASI ICIN USUL VE BU MAKSADA UYGUN KA- TALIZÖR
YU65290A YU47431B (sh) 1986-04-17 1990-04-03 Postupak za pripremanje polietilena, sa pravim lancem, male ili srednje gustine
HR930609 HRP930609B1 (en) 1986-04-17 1993-03-30 A method for preparing low or medium-density straight-chain polyethylene
US08/436,645 US5571877A (en) 1986-04-17 1995-05-08 Method of preparing low or medium-density straight-chain polyethylene, and catalysts suitable for this purpose
BA970161A BA97161B1 (bs) 1986-04-17 1997-04-24 Katalizator zieglerovog tipa za kopolimerizaciju etilena sa C4-C6 alfa-olefinom i postupak za njegovo dobijanje

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20123/86A IT1190319B (it) 1986-04-17 1986-04-17 Procedimento per la preparazione di polietilene a bassa o media densita' e catalizzatori adatti allo scopo

Publications (3)

Publication Number Publication Date
IT8620123A0 IT8620123A0 (it) 1986-04-17
IT8620123A1 IT8620123A1 (it) 1987-10-17
IT1190319B true IT1190319B (it) 1988-02-16

Family

ID=11163995

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20123/86A IT1190319B (it) 1986-04-17 1986-04-17 Procedimento per la preparazione di polietilene a bassa o media densita' e catalizzatori adatti allo scopo

Country Status (19)

Country Link
EP (1) EP0243327B1 (it)
KR (1) KR940007561B1 (it)
CN (1) CN1044124C (it)
AR (1) AR243907A1 (it)
AT (1) ATE53596T1 (it)
BR (1) BR8701878A (it)
CA (1) CA1277096C (it)
DD (1) DD260284A5 (it)
DE (1) DE3763196D1 (it)
DZ (1) DZ1096A1 (it)
ES (1) ES2016654B3 (it)
IL (1) IL82230A (it)
IN (1) IN169994B (it)
IT (1) IT1190319B (it)
MX (1) MX169872B (it)
PT (1) PT84691B (it)
RU (1) RU2036201C1 (it)
TR (1) TR25022A (it)
YU (2) YU44945B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1203330B (it) * 1987-02-06 1989-02-15 Enichem Base Spa Componente di catalizzatore e catalizzatore per la polimerizzazione dell'etilene o la co-polimerizzazione dell-etilene con alfa-olefine
FI83331C (fi) * 1988-12-30 1991-06-25 Neste Oy Framstaellning och anvaendning av en ny ziegler-natta-katalysatorkomponent.
FI85276C (fi) * 1989-05-04 1992-03-25 Neste Oy Ny ziegler-natta -katalysatorkomponent, dess framstaellning och anvaendning.
FI85277C (fi) * 1989-07-28 1992-03-25 Neste Oy Foerfarande foer framstaellning av katalysatorkomponenter foer polymerisation av polyeten med relativt smal molmassafoerdelning.
IT1236509B (it) * 1989-10-06 1993-03-11 Francesco Masi Procedimento per la preparazione di copolimeri etilene-butene-1 con densita' ultra-bassa.
IT1236510B (it) * 1989-10-06 1993-03-11 Renzo Invernizzi Procedimento per la preparazione di copolimeri etilene-propilene.
US6730627B1 (en) 1991-07-12 2004-05-04 Ecp Enichem Polimeri S.R.L. Solid component of catalyst for the (co) polymerization of ethylene and α-olefins
IT1252069B (it) * 1991-11-25 1995-05-29 Enichem Elastomers Processo per la preparazione di copolimeri elastomerici dell'etilene
IT1262934B (it) * 1992-01-31 1996-07-22 Montecatini Tecnologie Srl Componenti e catalizzatori per la polimerizzazione di olefine
IT1262935B (it) * 1992-01-31 1996-07-22 Montecatini Tecnologie Srl Componenti e catalizzatori per la polimerizzazione di olefine
IT1256648B (it) 1992-12-11 1995-12-12 Montecatini Tecnologie Srl Componenti e catalizzatori per la polimerizzazione delle olefine
DE4417475A1 (de) * 1994-05-19 1995-11-23 Hoechst Ag Verfahren zur Herstellung einer Katalysatorkomponente für die Polymerisation von Ethylen und 1-Olefinen zu ultrahochmolekularen Ethylenpolymeren
IT1397080B1 (it) 2009-11-23 2012-12-28 Polimeri Europa Spa Catalizzatore di tipo ziegler-natta per la (co)polimerizzazione delle alfa-olefine con elevata produttivita'
WO2011110444A1 (en) * 2010-03-08 2011-09-15 Basell Poliolefine Italia Srl Catalyst components for the polymerization of olefins
IT1403278B1 (it) 2010-12-20 2013-10-17 Polimeri Europa Spa Precursore di catalizzatore e catalizzatore per la (co)polimerizzazione delle alfa-olefine ad alta temperatura
KR101863985B1 (ko) * 2011-03-28 2018-06-01 다우 글로벌 테크놀로지스 엘엘씨 향상된 용융 강도의 에틸렌/알파-올레핀 공중합체의 제조 방법 및 그 물품

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU65587A1 (it) * 1972-06-22 1973-12-27
IT1136627B (it) * 1981-05-21 1986-09-03 Euteco Impianti Spa Catalizzatore supportato per la polimerizzazione di etilene

Also Published As

Publication number Publication date
EP0243327A1 (en) 1987-10-28
KR940007561B1 (ko) 1994-08-20
ES2016654B3 (es) 1990-11-16
BR8701878A (pt) 1988-02-17
IN169994B (it) 1992-01-25
CA1277096C (en) 1990-11-27
CN1044124C (zh) 1999-07-14
CN87103866A (zh) 1987-12-16
MX169872B (es) 1993-07-29
YU65290A (en) 1991-10-31
TR25022A (tr) 1992-09-01
PT84691A (en) 1987-05-01
DE3763196D1 (de) 1990-07-19
IT8620123A0 (it) 1986-04-17
ATE53596T1 (de) 1990-06-15
IL82230A0 (en) 1987-10-30
EP0243327B1 (en) 1990-06-13
YU47431B (sh) 1995-03-27
DZ1096A1 (fr) 2004-09-13
AR243907A1 (es) 1993-09-30
IT8620123A1 (it) 1987-10-17
DD260284A5 (de) 1988-09-21
PT84691B (pt) 1989-11-30
KR870010090A (ko) 1987-11-30
YU69587A (en) 1988-04-30
IL82230A (en) 1991-12-15
RU2036201C1 (ru) 1995-05-27
YU44945B (en) 1991-04-30

Similar Documents

Publication Publication Date Title
IT1190319B (it) Procedimento per la preparazione di polietilene a bassa o media densita' e catalizzatori adatti allo scopo
GB2187137B (en) Recording medium and recording method which makes use thereof
IT1163825B (it) Pellicola di polietilene lineare a bassa densita' e relativo procedimento di preparazione
EP0230911A3 (en) Magnetic recording medium and production of the same
IT8409344A0 (it) Procedimento per la trasmissione di informazioni e/o di comandi, in particolare per l'uso in ferrovia
FR2571533B1 (fr) Support d'enregistrement magnetique
IT1190313B (it) Procedimento per l'ottenimento di polidesossiribonucleotidi chimicamente definiti e riproducibili e prodotto farmacologicamente attivo risultante
IL84826A0 (en) Recording medium of improved stability
IT1171520B (it) Procedimento per la preparazione di 2-ammino-3-carbetossiammino-6-(p-fluor-benzilammino)-piridin-maleato dotato di proprieta' farmacologiche e prodotto ottenuto
IT8709466A0 (it) Impianto per la rilevazione e la registrazione di infrazioni alle regole di disciplina stradale, con l'impiego di laser
IT8883551A0 (it) Procedimento per l'estrazione e la purificazione di dna
FR2543725B1 (fr) Support d'enregistrement magneto-optique
FR2560419B1 (fr) Milieu d'enregistrement magneto-optique
FR2497669B1 (fr) Preparation pharmaceutique ayant d'excellentes proprietes d'absorption
IT8723221A0 (it) Procedimento per la preparazione in continuo di lastre termoplastiche rinforzate e dispositivo adatto allo scopo.
IT8847754A0 (it) Poliesteri nitromalonati in qualita' di leganti per propellenti solidi e procedimento per la loro preparazione
DE69024196T2 (de) Vorbereitung eines optomagnetischen aufzeichnungsmediums und vorbereitetes überschreibbares optomagnetisches aufzeichnungsmedium
IT8423373A0 (it) Procedimento e mezzi d'impianto per la parziale combustione e gassificazione di materiale carbonioso.
FR2627889B1 (fr) Contenant pour support d'enregistrements
IT8419200A0 (it) Procedimento per la produzione di polietilene di bassa densita'lineare.
IT8521731A0 (it) Procedimento per l'ossidazione di olefine fluorurate e catalizzatore adatto allo scopo.
FR2645317B1 (fr) Milieu d'enregistrement magnetique
IT1238339B (it) Struttura di complesso per l'immagazzinamento e la rimozione di elementi di confezione unitari
DE68920828T2 (de) Magnetooptisches Aufzeichnungsmedium und dessen Aufzeichnungsverfahren.
IT1163142B (it) Procedimento per la produzione di polietilene di bassa densita' lineare

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970415