IT7868654A0 - Procedimento per l'eliminazione dei bassopolimeri dai gas di riciclo in un processo di polimerizzazione dell'etilene - Google Patents

Procedimento per l'eliminazione dei bassopolimeri dai gas di riciclo in un processo di polimerizzazione dell'etilene

Info

Publication number
IT7868654A0
IT7868654A0 IT7868654A IT6865478A IT7868654A0 IT 7868654 A0 IT7868654 A0 IT 7868654A0 IT 7868654 A IT7868654 A IT 7868654A IT 6865478 A IT6865478 A IT 6865478A IT 7868654 A0 IT7868654 A0 IT 7868654A0
Authority
IT
Italy
Prior art keywords
elimination
procedure
polymerization process
ethylene polymerization
low polymers
Prior art date
Application number
IT7868654A
Other languages
English (en)
Other versions
IT1159897B (it
Inventor
Pierre Gloriod
Original Assignee
Charbonnages Ste Chimique
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 Charbonnages Ste Chimique filed Critical Charbonnages Ste Chimique
Publication of IT7868654A0 publication Critical patent/IT7868654A0/it
Application granted granted Critical
Publication of IT1159897B publication Critical patent/IT1159897B/it

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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/26—Treatment of polymers prepared in bulk also solid polymers or polymer melts
    • C08F6/28—Purification
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/02—Ethene

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)
  • Polymerisation Methods In General (AREA)
IT68654/78A 1977-07-13 1978-07-12 Procedimento per l'eliminazione dei bassopolimeri dai gas di riciclo in un processo di polimerizzazione dell'etilene IT1159897B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7721758A FR2397429A1 (fr) 1977-07-13 1977-07-13 Procede pour purifier des gaz de recirculation de particules condensees de polymere

Publications (2)

Publication Number Publication Date
IT7868654A0 true IT7868654A0 (it) 1978-07-12
IT1159897B IT1159897B (it) 1987-03-04

Family

ID=9193389

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68654/78A IT1159897B (it) 1977-07-13 1978-07-12 Procedimento per l'eliminazione dei bassopolimeri dai gas di riciclo in un processo di polimerizzazione dell'etilene

Country Status (14)

Country Link
US (1) US4191821A (it)
JP (1) JPS5831091B2 (it)
AT (1) AT366067B (it)
BE (1) BE868925A (it)
BR (1) BR7804512A (it)
CA (1) CA1119750A (it)
DE (1) DE2829470C2 (it)
FR (1) FR2397429A1 (it)
GB (1) GB2001081B (it)
GR (1) GR65884B (it)
HU (1) HU181963B (it)
IT (1) IT1159897B (it)
NL (1) NL180513C (it)
PT (1) PT68266A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418802A1 (fr) * 1978-03-02 1979-09-28 Charbonnages Ste Chimique Procede de fabrication du polyethylene a faible consommation d'energie
JPS58204005A (ja) * 1982-05-25 1983-11-28 Mitsubishi Chem Ind Ltd ポリオレフインの製造方法
US4961916A (en) * 1988-06-02 1990-10-09 Irsst-Institut De Recherche En Sante Et En Securite Du Travail Du Quebec Sampling device
US5575979A (en) * 1991-03-04 1996-11-19 Phillips Petroleum Company Process and apparatus for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator
DE19754039A1 (de) * 1997-12-05 1999-06-24 Basf Ag Verfahren zur Herstellung von Ethylencopolymeren in segmentierten Rohrreaktoren und Verwendung der Copolymere als Fließverbesserer

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR465897A (fr) * 1912-12-09 1914-04-29 Gustav Bergen Procédé de fabrication d'un sel alimentaire semblable au sel raffiné léger (sel fin) à partir de chlorure de sodium fondu
US1548288A (en) * 1921-12-19 1925-08-04 Gas Res Co Gas purification
DE954921C (de) * 1954-09-24 1956-12-27 Basf Ag Verfahren zur Abtrennung von festen, fluessigen und kondensierbaren gasfoermigen Beimischungen aus den im Kreislauf gefuehrten nicht umgesetzten gasfoermigen Anteilen bei der Polymerisation von AEthylen unter hohen Druecken
NL282427A (it) * 1961-08-26
NL293333A (it) * 1962-08-08
US3090778A (en) * 1962-09-26 1963-05-21 Monsanto Chemicals Production of powdered polyethylene
US3306889A (en) * 1963-05-15 1967-02-28 Koppers Co Inc Ethylene polymerization
NL129660C (it) * 1964-08-24
US3627746A (en) * 1970-05-25 1971-12-14 Exxon Research Engineering Co Ldpe recycle system defouling method
NL159115B (nl) * 1970-06-29 1979-01-15 Stamicarbon Werkwijze voor de bereiding van poedervormige homo- of copolymeren van etheen.
GB1419012A (en) * 1973-03-29 1975-12-24 Ici Ltd Production of polyethylene
SE7309576L (it) * 1973-07-06 1975-01-07 Seco Tools Ab
FR2313399A1 (fr) * 1975-06-03 1976-12-31 Charbonnages Ste Chimique Procede de polymerisation et de copolymerisation de l'ethylene utilisant un dispositif d'injection de gaz
US4093100A (en) * 1975-10-28 1978-06-06 National Force Company Pressure vessel construction and method
FR2346374A1 (fr) * 1976-03-31 1977-10-28 Charbonnages Ste Chimique Procede perfectionne de polymerisation de l'ethylene sous haute pression

Also Published As

Publication number Publication date
BE868925A (fr) 1979-01-12
NL180513C (nl) 1987-03-02
JPS5831091B2 (ja) 1983-07-04
GB2001081A (en) 1979-01-24
DE2829470A1 (de) 1979-02-01
IT1159897B (it) 1987-03-04
DE2829470C2 (de) 1984-06-14
NL180513B (nl) 1986-10-01
JPS5418888A (en) 1979-02-13
FR2397429A1 (fr) 1979-02-09
PT68266A (fr) 1978-08-01
AT366067B (de) 1982-03-10
CA1119750A (fr) 1982-03-09
GB2001081B (en) 1982-02-10
BR7804512A (pt) 1979-04-03
NL7807478A (nl) 1979-01-16
HU181963B (en) 1983-11-28
ATA500578A (de) 1981-07-15
US4191821A (en) 1980-03-04
GR65884B (it) 1980-12-01
FR2397429B1 (it) 1980-08-29

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Effective date: 19970710