ZA939211B - Process for the preparation of (co)polymers of ethylene having a broad molecular weight distribution - Google Patents

Process for the preparation of (co)polymers of ethylene having a broad molecular weight distribution

Info

Publication number
ZA939211B
ZA939211B ZA939211A ZA939211A ZA939211B ZA 939211 B ZA939211 B ZA 939211B ZA 939211 A ZA939211 A ZA 939211A ZA 939211 A ZA939211 A ZA 939211A ZA 939211 B ZA939211 B ZA 939211B
Authority
ZA
South Africa
Prior art keywords
ethylene
preparation
molecular weight
weight distribution
broad molecular
Prior art date
Application number
ZA939211A
Other languages
English (en)
Inventor
Illaro Cuffiani
Mario Sacchetti
Gianni Pennini
Original Assignee
Spherilene Srl
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 Spherilene Srl filed Critical Spherilene Srl
Publication of ZA939211B publication Critical patent/ZA939211B/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
    • C08F10/00—Homopolymers and 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
    • 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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02—Ethene
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/642—Component covered by group C08F4/64 with an organo-aluminium compound
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
    • C08F4/652—Pretreating with metals or metal-containing compounds
    • C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
    • C08F4/6543—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof halides of magnesium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
ZA939211A 1992-12-11 1993-12-08 Process for the preparation of (co)polymers of ethylene having a broad molecular weight distribution ZA939211B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922821A IT1256647B (it) 1992-12-11 1992-12-11 Procedimento per la preparazione di (co) polimeri a larga distribuzione di pesi molecolari dell'etilene.

Publications (1)

Publication Number Publication Date
ZA939211B true ZA939211B (en) 1994-08-08

Family

ID=11364443

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA939211A ZA939211B (en) 1992-12-11 1993-12-08 Process for the preparation of (co)polymers of ethylene having a broad molecular weight distribution

Country Status (18)

Country Link
EP (1) EP0601524B1 (it)
KR (1) KR100289268B1 (it)
CN (1) CN1051775C (it)
AT (1) ATE168701T1 (it)
AU (1) AU672051B2 (it)
BR (1) BR9304647A (it)
CA (1) CA2111312A1 (it)
DE (1) DE69319860T2 (it)
ES (1) ES2120469T3 (it)
FI (1) FI935551A (it)
IL (1) IL107959A (it)
IT (1) IT1256647B (it)
MX (1) MX9307844A (it)
MY (1) MY131386A (it)
NO (1) NO302033B1 (it)
RU (1) RU2126804C1 (it)
TW (1) TW294678B (it)
ZA (1) ZA939211B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3471099B2 (ja) * 1994-11-25 2003-11-25 昭和電工株式会社 オレフィン重合用触媒担体の製造方法
CN1108312C (zh) 1996-12-06 2003-05-14 旭化成株式会社 烯烃聚合催化剂和使用该催化剂制备聚烯烃的方法
TWI471073B (zh) 2009-12-31 2015-01-21 Unimicron Technology Corp 線路基板及其製作方法
EP2746299A1 (en) 2012-12-19 2014-06-25 Basell Poliolefine Italia S.r.l. Multistage process for the polymerization of ethylene
US20240093009A1 (en) * 2022-09-15 2024-03-21 Basell Polyolefine Gmbh Polyethylene composition for blow molding having an improved swell behavior

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1136627B (it) * 1981-05-21 1986-09-03 Euteco Impianti Spa Catalizzatore supportato per la polimerizzazione di etilene
IT1151627B (it) * 1982-06-10 1986-12-24 Anic Spa Procedimento per la preparazione di copolimeri dell'etilene con basso valore delle densita'
IT1212698B (it) * 1983-02-10 1989-11-30 Sir Soc Italiana Resine Spa In sospensione di etilene con procedimento di copolimerizzazione alfa-olefine lineari perl'ottenimento di copolimeri a bassa densita'.
IT1236509B (it) * 1989-10-06 1993-03-11 Francesco Masi Procedimento per la preparazione di copolimeri etilene-butene-1 con densita' ultra-bassa.
IT1262935B (it) * 1992-01-31 1996-07-22 Montecatini Tecnologie Srl Componenti e catalizzatori per la polimerizzazione di olefine

Also Published As

Publication number Publication date
AU672051B2 (en) 1996-09-19
CN1051775C (zh) 2000-04-26
IL107959A (en) 1998-09-24
FI935551A (fi) 1994-06-12
ES2120469T3 (es) 1998-11-01
EP0601524B1 (en) 1998-07-22
CN1089623A (zh) 1994-07-20
KR100289268B1 (ko) 2001-05-02
NO934497L (no) 1994-06-13
ITMI922821A0 (it) 1992-12-11
BR9304647A (pt) 1994-06-28
AU5229693A (en) 1994-06-23
KR940014462A (ko) 1994-07-18
DE69319860T2 (de) 1999-01-21
DE69319860D1 (de) 1998-08-27
TW294678B (it) 1997-01-01
ATE168701T1 (de) 1998-08-15
IL107959A0 (en) 1994-04-12
IT1256647B (it) 1995-12-12
FI935551A0 (fi) 1993-12-10
NO934497D0 (no) 1993-12-09
ITMI922821A1 (it) 1994-06-11
EP0601524A1 (en) 1994-06-15
RU2126804C1 (ru) 1999-02-27
MY131386A (en) 2007-08-30
MX9307844A (es) 1994-07-29
NO302033B1 (no) 1998-01-12
CA2111312A1 (en) 1994-06-12

Similar Documents

Publication Publication Date Title
GR3031273T3 (en) Process for the gas-phase polymerisation of olefins
HUT75175A (en) Process for the (co)polymerization of olefins and polymers produced thereby
DE69034255D1 (de) Polymerisationsverfahren zur Herstellung von porösen Propylen-polymeren und die so hergestellten Polymere
ZA932305B (en) Catalyst for the polymerization of olefins, process for its preparation and its use.
CA2277057A1 (en) Catalyst composition for the production of olefin polymers
HUT74773A (en) Components and catalysts for the polymerization of olefins, process for polymerizing olefins by using said catalysts, polymers obtained using said catalysts and articles obtained from said polymers
CA2008907A1 (en) Catalysts for the polymerization of olefins
CA2198776A1 (en) Polymerization process
CA2088524A1 (en) Process for the gas-phase polymerization of alpha-olefins
EP0362629A3 (de) Vermeidung von farbigen Verunreinigungen bei der Herstellung von ultrahochmolekularen Ethylenpolymerisaten mittels eines Titan enthaltenden Katalysatorsystems
CA2227674A1 (en) Catalyst deactivation
CA2174452A1 (en) Binary cocatalyst compositions for activating heterogeneous polymerization catalysts
PL290853A1 (en) Catalytic mixtures, method of preparing catalytic mixtures, methods of synthesizing ethylene polymers with a broad or bimodal molecular weight range
AU2002217104A1 (en) Continuous process for the preparation of solid catalyst components for the polymerisation of alpha-olefins
ZA939211B (en) Process for the preparation of (co)polymers of ethylene having a broad molecular weight distribution
EP0170384A3 (en) Polymerization catalyst
EP0523879A3 (en) Olefin polymerization catalyst
RU93054514A (ru) Способ получения гомополимеров и сополимеров этилена
CA2292637A1 (en) Continuous process for obtaining propylene polymers
Fujita et al. Olefin Polymerization Catalyst
CA2115043A1 (en) Titanium Magnesium Catalyst Precursors for the Polymerization of Olefins
JPS5759907A (en) Preparation of highly stereoregular alpha-olefinic polymer
TH35318EX (th) ขบวนการสำหรับการเตรียม (โค ) โพลีเมอร์ของเอทธิลีนที่มีการกระจายน้ำหนักโมเลกุลในช่วงกว้าง