IT1174473B - PROCEDURE FOR THE PRODUCTION OF LOW DENSITY POLYETELENE - Google Patents

PROCEDURE FOR THE PRODUCTION OF LOW DENSITY POLYETELENE

Info

Publication number
IT1174473B
IT1174473B IT19200/84A IT1920084A IT1174473B IT 1174473 B IT1174473 B IT 1174473B IT 19200/84 A IT19200/84 A IT 19200/84A IT 1920084 A IT1920084 A IT 1920084A IT 1174473 B IT1174473 B IT 1174473B
Authority
IT
Italy
Prior art keywords
polyetelene
procedure
production
low density
density
Prior art date
Application number
IT19200/84A
Other languages
Italian (it)
Other versions
IT8419200A0 (en
Inventor
Charles A Trischmann
Kryspin P Maciejewski
Original Assignee
El Paso Polyolefins
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 El Paso Polyolefins filed Critical El Paso Polyolefins
Publication of IT8419200A0 publication Critical patent/IT8419200A0/en
Application granted granted Critical
Publication of IT1174473B publication Critical patent/IT1174473B/en

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
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • 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
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/243—Tubular reactors spirally, concentrically or zigzag wound
    • 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
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00162—Controlling or regulating processes controlling the pressure
IT19200/84A 1983-02-04 1984-01-17 PROCEDURE FOR THE PRODUCTION OF LOW DENSITY POLYETELENE IT1174473B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46375483A 1983-02-04 1983-02-04

Publications (2)

Publication Number Publication Date
IT8419200A0 IT8419200A0 (en) 1984-01-17
IT1174473B true IT1174473B (en) 1987-07-01

Family

ID=23841243

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19200/84A IT1174473B (en) 1983-02-04 1984-01-17 PROCEDURE FOR THE PRODUCTION OF LOW DENSITY POLYETELENE

Country Status (6)

Country Link
JP (1) JPS59145209A (en)
CA (1) CA1221197A (en)
DE (1) DE3401614A1 (en)
FR (1) FR2540502A1 (en)
GB (1) GB2134121B (en)
IT (1) IT1174473B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5571877A (en) * 1986-04-17 1996-11-05 Enichem Base S.P.A. Method of preparing low or medium-density straight-chain polyethylene, and catalysts suitable for this purpose
KR100481569B1 (en) * 1996-05-24 2005-05-16 비피 케미칼즈 리미티드 Process for polymerizing olefins
EP0902798B1 (en) * 1996-05-24 2001-01-24 BP Chemicals Limited Process for polymerizing olefins
FR2749016B1 (en) * 1996-05-24 1998-07-03 Bp Chemicals Snc OLEFIN (S) POLYMERIZATION PROCESS
GB0522706D0 (en) 2005-11-07 2005-12-14 Exxonmobil Chem Patents Inc An apparatus and method for the production of polyethylene and ethylene compolyers
GB0609974D0 (en) 2006-05-19 2006-06-28 Exxonmobil Chem Patents Inc A process for the production of polyethylene and ethylene copolymers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5968310A (en) * 1982-10-14 1984-04-18 Asahi Chem Ind Co Ltd Production of ethylene polymer

Also Published As

Publication number Publication date
GB2134121B (en) 1986-02-05
GB8400034D0 (en) 1984-02-08
IT8419200A0 (en) 1984-01-17
CA1221197A (en) 1987-04-28
JPS59145209A (en) 1984-08-20
GB2134121A (en) 1984-08-08
FR2540502A1 (en) 1984-08-10
DE3401614A1 (en) 1984-08-09

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