DE69021981D1 - Verfahren zur Herstellung von Ethylen-buten-1-Copolymeren mit ultraniedriger Dichte. - Google Patents

Verfahren zur Herstellung von Ethylen-buten-1-Copolymeren mit ultraniedriger Dichte.

Info

Publication number
DE69021981D1
DE69021981D1 DE69021981T DE69021981T DE69021981D1 DE 69021981 D1 DE69021981 D1 DE 69021981D1 DE 69021981 T DE69021981 T DE 69021981T DE 69021981 T DE69021981 T DE 69021981T DE 69021981 D1 DE69021981 D1 DE 69021981D1
Authority
DE
Germany
Prior art keywords
butene
copolymers
low density
density ethylene
ethylene
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 - Lifetime
Application number
DE69021981T
Other languages
English (en)
Other versions
DE69021981T2 (de
Inventor
Mauro Mirra
Francesco Via Kennedy Masi
Renzo Invernizzi
Elio Langianni
Sergio Masini
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.)
Versalis SpA
Original Assignee
Enichem SpA
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 SpA filed Critical Enichem SpA
Publication of DE69021981D1 publication Critical patent/DE69021981D1/de
Application granted granted Critical
Publication of DE69021981T2 publication Critical patent/DE69021981T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
DE69021981T 1989-10-06 1990-09-28 Verfahren zur Herstellung von Ethylen-buten-1-Copolymeren mit ultraniedriger Dichte. Expired - Lifetime DE69021981T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02193489A IT1236509B (it) 1989-10-06 1989-10-06 Procedimento per la preparazione di copolimeri etilene-butene-1 con densita' ultra-bassa.

Publications (2)

Publication Number Publication Date
DE69021981D1 true DE69021981D1 (de) 1995-10-05
DE69021981T2 DE69021981T2 (de) 1996-04-04

Family

ID=11189048

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021981T Expired - Lifetime DE69021981T2 (de) 1989-10-06 1990-09-28 Verfahren zur Herstellung von Ethylen-buten-1-Copolymeren mit ultraniedriger Dichte.

Country Status (19)

Country Link
EP (1) EP0423861B1 (de)
JP (1) JP2926515B2 (de)
KR (1) KR930010560B1 (de)
CN (1) CN1026117C (de)
AT (1) ATE127132T1 (de)
BA (1) BA97258A (de)
BR (1) BR9004996A (de)
CA (1) CA2027038C (de)
DE (1) DE69021981T2 (de)
DK (1) DK0423861T3 (de)
DZ (1) DZ1453A1 (de)
ES (1) ES2076295T3 (de)
GR (1) GR3017518T3 (de)
HR (1) HRP921249B1 (de)
IT (1) IT1236509B (de)
MX (1) MX171747B (de)
PL (1) PL166001B1 (de)
SI (1) SI9011883B (de)
YU (1) YU46954B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9108242D0 (en) * 1991-04-17 1991-06-05 Exxon Chemical Patents Inc Medical tubing
IT1262934B (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
IT1256647B (it) * 1992-12-11 1995-12-12 Montecatini Tecnologie Srl Procedimento per la preparazione di (co) polimeri a larga distribuzione di pesi molecolari dell'etilene.
CN1039234C (zh) * 1994-03-22 1998-07-22 中国石油化工总公司 聚丙烯球形催化剂及其制备
DE19652261A1 (de) * 1996-12-16 1998-06-18 Hoechst Ag Arylsubstituierte Poly(p-arylenvinylene), Verfahren zur Herstellung und deren Verwendung in Elektroluminszenzbauelementen
WO2011110444A1 (en) * 2010-03-08 2011-09-15 Basell Poliolefine Italia Srl Catalyst components for the polymerization of olefins
TWI627133B (zh) * 2015-12-09 2018-06-21 努發化工（國際）公司 以塞流反應器合成用於ast離線齊格勒－納塔(zn)催化劑之二氯化鎂撐體
WO2024000090A1 (en) * 2022-06-27 2024-01-04 Univation Technologies, Llc Post-reactor blends of linear low-density polyethylenes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558105A (en) * 1983-12-07 1985-12-10 Chemplex Company Copolymerization of ethylene
IT1190319B (it) * 1986-04-17 1988-02-16 Enichem Polimeri Procedimento per la preparazione di polietilene a bassa o media densita' e catalizzatori adatti allo scopo

Also Published As

Publication number Publication date
EP0423861A2 (de) 1991-04-24
JPH03131613A (ja) 1991-06-05
BA97258A (bs) 2001-09-14
GR3017518T3 (en) 1995-12-31
EP0423861A3 (en) 1992-01-08
CN1050723A (zh) 1991-04-17
HRP921249A2 (en) 1997-02-28
JP2926515B2 (ja) 1999-07-28
CN1026117C (zh) 1994-10-05
SI9011883B (sl) 2000-04-30
HRP921249B1 (en) 1999-06-30
ES2076295T3 (es) 1995-11-01
KR910007983A (ko) 1991-05-30
DE69021981T2 (de) 1996-04-04
IT1236509B (it) 1993-03-11
ATE127132T1 (de) 1995-09-15
CA2027038C (en) 2002-07-23
IT8921934A0 (it) 1989-10-06
YU188390A (sh) 1992-09-07
KR930010560B1 (ko) 1993-10-28
IT8921934A1 (it) 1991-04-06
DK0423861T3 (da) 1995-10-30
PL166001B1 (pl) 1995-03-31
DZ1453A1 (fr) 2004-09-13
YU46954B (sh) 1994-06-24
CA2027038A1 (en) 1991-04-07
SI9011883A (sl) 1998-06-30
BR9004996A (pt) 1991-09-10
MX171747B (es) 1993-11-10
EP0423861B1 (de) 1995-08-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: POLIMERI EUROPA S.R.L., PALERMO, IT