ZA742008B - Production of polyethylene - Google Patents

Production of polyethylene

Info

Publication number
ZA742008B
ZA742008B ZA00742008A ZA742008A ZA742008B ZA 742008 B ZA742008 B ZA 742008B ZA 00742008 A ZA00742008 A ZA 00742008A ZA 742008 A ZA742008 A ZA 742008A ZA 742008 B ZA742008 B ZA 742008B
Authority
ZA
South Africa
Prior art keywords
polyethylene
production
Prior art date
Application number
ZA00742008A
Other languages
English (en)
Inventor
R Cooper
K Whiteley
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Publication of ZA742008B publication Critical patent/ZA742008B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
ZA00742008A 1973-03-29 1974-03-29 Production of polyethylene ZA742008B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1515673A GB1419012A (en) 1973-03-29 1973-03-29 Production of polyethylene

Publications (1)

Publication Number Publication Date
ZA742008B true ZA742008B (en) 1975-11-26

Family

ID=10054028

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00742008A ZA742008B (en) 1973-03-29 1974-03-29 Production of polyethylene

Country Status (9)

Country Link
US (1) US4014859A (fr)
JP (1) JPS5029685A (fr)
AU (1) AU476066B2 (fr)
DE (1) DE2415439A1 (fr)
ES (1) ES424776A1 (fr)
FR (1) FR2223396B1 (fr)
GB (1) GB1419012A (fr)
NL (1) NL7404295A (fr)
ZA (1) ZA742008B (fr)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133944A (en) * 1973-03-29 1979-01-09 Imperial Chemical Industries Limited Ethylene polymerization
US4020121A (en) * 1975-12-15 1977-04-26 Shell Oil Company Oligomerization reaction system
FR2346374A1 (fr) * 1976-03-31 1977-10-28 Charbonnages Ste Chimique Procede perfectionne de polymerisation de l'ethylene sous haute pression
JPS52140962U (fr) * 1976-04-19 1977-10-25
JPS5322582A (en) * 1976-08-13 1978-03-02 Sumitomo Chem Co Ltd Production of polyethylene
IT1076203B (it) * 1977-01-12 1985-04-27 Montedison Spa Procedimento per la polimerizzazione di etilene in fase gas
FR2385745A1 (fr) * 1977-03-31 1978-10-27 Charbonnages Ste Chimique Procede de polymerisation de l'ethylene, sous pressions elevees, avec recyclage
FR2397429A1 (fr) * 1977-07-13 1979-02-09 Charbonnages Ste Chimique Procede pour purifier des gaz de recirculation de particules condensees de polymere
FR2400040A2 (fr) * 1977-08-09 1979-03-09 Charbonnages Ste Chimique Procede controle de polymerisation ionique de l'ethylene sous haute pression
US4414369A (en) * 1977-08-17 1983-11-08 Nippon Oil Company, Limited Continuous process for the preparation of polyolefins having widely distributed molecular weights
JPS6045645B2 (ja) * 1980-10-09 1985-10-11 三井化学株式会社 オレフイン類の気相重合方法
US4587314A (en) * 1981-07-21 1986-05-06 Phillips Petroleum Company Continuous polymerization reactor
JPS58204005A (ja) * 1982-05-25 1983-11-28 Mitsubishi Chem Ind Ltd ポリオレフインの製造方法
US5030695A (en) * 1983-06-15 1991-07-09 Exxon Research & Engineering Company End-capped polymer chains, star and graft copolymers, and process of making same
US4558105A (en) * 1983-12-07 1985-12-10 Chemplex Company Copolymerization of ethylene
US4640963A (en) * 1985-02-15 1987-02-03 Standard Oil Company (Indiana) Method and apparatus for recycle of entrained solids in off-gas from a gas-phase polyolefin reactor
WO1987003603A1 (fr) * 1985-12-16 1987-06-18 Exxon Research And Engineering Company Chaines de polymeres a extremites fermees, copolymeres greffes et en etoile, et leur procede de fabrication
JPH0692509B2 (ja) * 1985-12-17 1994-11-16 日本石油株式会社 高強度・高弾性率繊維又はフイルム製造用ポリエチレン溶液の製造法
US5284811A (en) * 1990-05-14 1994-02-08 Phillips Petroleum Company Polymerization catalysts and processes
US5151475A (en) * 1991-04-15 1992-09-29 Shell Oil Company Termination of anionic polymerization
US5039755A (en) * 1990-05-29 1991-08-13 Shell Oil Company Selective hydrogenation of conjugated diolefin polymers
US5141997A (en) * 1990-08-15 1992-08-25 Shell Oil Company Selective hydrogenation of conjugated diolefin polymers
JPH04131690A (ja) * 1990-09-20 1992-05-06 Ngk Insulators Ltd トンネル炉
US5132372A (en) * 1991-09-09 1992-07-21 Shell Oil Company Process for selective hydrogenation of conjugated diolefin polymers
US5206307A (en) * 1991-09-09 1993-04-27 Shell Oil Company Process for selective hydrogenation of conjugated diolefin polymers
BE1005795A3 (fr) * 1992-05-13 1994-02-01 Solvay Procede de polymerisation d'olefines et (co)polymeres a blocs derives d'au moins une olefine.
FR2737787B1 (fr) * 1995-08-07 1997-10-31 France Telecom Amplificateur optique bidirectionnel pour systemes optiques a multiplexage en longueur d'onde
US20110172354A1 (en) * 2010-01-04 2011-07-14 Dow Global Technologies Inc. Ethylene-based polymer compositions for use in fiber applications
EP2681250B2 (fr) 2011-03-03 2018-11-14 Basell Polyolefine GmbH Procédé pour la préparation d'homopolymères ou de copolymères d'éthylène dans un réacteur tubulaire doté d'au moins deux zones de réaction présentant des concentrations différentes en agent de transfert de chaîne
IN2014CN02739A (fr) 2011-10-19 2015-07-03 Dow Global Technologies Llc
EP3260473A1 (fr) 2016-06-24 2017-12-27 Dow Global Technologies LLC Polymérisations à radicaux libres et pression élevée pour produire des polymères à base d'éthylène
CN109312005A (zh) 2016-06-24 2019-02-05 陶氏环球技术有限责任公司 用于制备高压自由基乙烯共聚物的方法
WO2019027659A1 (fr) 2017-07-31 2019-02-07 Dow Global Technologies Llc Polymères à base d'éthylène présentant de nouvelles distributions d'insaturations terminales et internes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2882264A (en) * 1955-10-10 1959-04-14 Dow Chemical Co Polymerization of ethylene
US2953552A (en) * 1958-07-31 1960-09-20 Union Carbide Corp Production of ethylene-alpha-butene copolymers with a catalyst of aluminum alkyl, titanium ester and titanium halide
BE581026A (fr) * 1958-07-31
US3309350A (en) * 1963-07-31 1967-03-14 Rexall Drug Chemical Process for polymerizing ethylene
US3405115A (en) * 1964-02-26 1968-10-08 Koppers Co Inc Liquid catalyst injection
NL6708737A (fr) * 1967-06-22 1968-12-23
GB1237578A (en) * 1968-12-16 1971-06-30 Ici Ltd Polymerisation process
US3732198A (en) * 1969-01-20 1973-05-08 Ici Ltd Polymerisation of ethylene

Also Published As

Publication number Publication date
FR2223396A1 (fr) 1974-10-25
FR2223396B1 (fr) 1979-02-09
NL7404295A (fr) 1974-10-01
GB1419012A (en) 1975-12-24
ES424776A1 (es) 1976-06-16
US4014859A (en) 1977-03-29
DE2415439A1 (de) 1974-10-10
JPS5029685A (fr) 1975-03-25
AU6734874A (en) 1975-10-02
USB456384I5 (fr) 1976-04-06
AU476066B2 (en) 1976-09-09

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