HRP921249B1 - Process for the preparation of ethylene-butene-1 copolymers having an ultralaw density - Google Patents

Process for the preparation of ethylene-butene-1 copolymers having an ultralaw density

Info

Publication number
HRP921249B1
HRP921249B1 HRP-1883/90A HRP921249A HRP921249B1 HR P921249 B1 HRP921249 B1 HR P921249B1 HR P921249 A HRP921249 A HR P921249A HR P921249 B1 HRP921249 B1 HR P921249B1
Authority
HR
Croatia
Prior art keywords
butene
copolymers
ethylene
preparation
density
Prior art date
Application number
HRP-1883/90A
Other languages
English (en)
Inventor
Sergio Masini
Original Assignee
Sergio Masini
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 Sergio Masini filed Critical Sergio Masini
Publication of HRP921249A2 publication Critical patent/HRP921249A2/xx
Publication of HRP921249B1 publication Critical patent/HRP921249B1/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
HRP-1883/90A 1989-10-06 1992-11-12 Process for the preparation of ethylene-butene-1 copolymers having an ultralaw density HRP921249B1 (en)

Applications Claiming Priority (2)

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.
YU188390A YU46954B (sh) 1989-10-06 1990-10-05 Postupak za proizvodnju etilen-buten-1 kopolimera koji imaju gustinu od oko 0.880 do 0.914

Publications (2)

Publication Number Publication Date
HRP921249A2 HRP921249A2 (en) 1997-02-28
HRP921249B1 true HRP921249B1 (en) 1999-06-30

Family

ID=11189048

Family Applications (1)

Application Number Title Priority Date Filing Date
HRP-1883/90A HRP921249B1 (en) 1989-10-06 1992-11-12 Process for the preparation of ethylene-butene-1 copolymers having an ultralaw density

Country Status (19)

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

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 (en) 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
DE69021981D1 (de) 1995-10-05
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 (en) 1995-08-30

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Legal Events

Date Code Title Description
A1OB Publication of a patent application
AIPI Request for the grant of a patent on the basis of a substantive examination of a patent application
PNAN Change of the applicant name, address/residence

Owner name: ENICHEM ANIC S.R.L., IT

PPPP Transfer of rights

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

B1PR Patent granted
ODRP Renewal fee for the maintenance of a patent

Payment date: 20080922

Year of fee payment: 19

PBON Lapse due to non-payment of renewal fee

Effective date: 20091006