CA1221197A - Linear low density polyethylene process - Google Patents

Linear low density polyethylene process

Info

Publication number
CA1221197A
CA1221197A CA000440535A CA440535A CA1221197A CA 1221197 A CA1221197 A CA 1221197A CA 000440535 A CA000440535 A CA 000440535A CA 440535 A CA440535 A CA 440535A CA 1221197 A CA1221197 A CA 1221197A
Authority
CA
Canada
Prior art keywords
polymer
pressure
range
reactor effluent
high pressure
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000440535A
Other languages
English (en)
French (fr)
Inventor
Charles A. Trischman
Kryspin P. Maciejewski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
El Paso Polyolefins Co
Original Assignee
El Paso Polyolefins Co
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 Co filed Critical El Paso Polyolefins Co
Application granted granted Critical
Publication of CA1221197A publication Critical patent/CA1221197A/en
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA000440535A 1983-02-04 1983-11-07 Linear low density polyethylene process Expired CA1221197A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46375483A 1983-02-04 1983-02-04
US463,754 1983-02-04

Publications (1)

Publication Number Publication Date
CA1221197A true CA1221197A (en) 1987-04-28

Family

ID=23841243

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000440535A Expired CA1221197A (en) 1983-02-04 1983-11-07 Linear low density polyethylene process

Country Status (6)

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

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
FR2749016B1 (fr) * 1996-05-24 1998-07-03 Bp Chemicals Snc Procede de polymerisation d'olefine(s)
CN1123582C (zh) * 1996-05-24 2003-10-08 英国石油化学品有限公司 聚合烯烃的方法
KR100481569B1 (ko) * 1996-05-24 2005-05-16 비피 케미칼즈 리미티드 올레핀의중합방법
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 (ja) * 1982-10-14 1984-04-18 Asahi Chem Ind Co Ltd エチレン重合体の製法

Also Published As

Publication number Publication date
DE3401614A1 (de) 1984-08-09
GB2134121B (en) 1986-02-05
IT8419200A0 (it) 1984-01-17
JPS59145209A (ja) 1984-08-20
IT1174473B (it) 1987-07-01
GB8400034D0 (en) 1984-02-08
FR2540502A1 (fr) 1984-08-10
GB2134121A (en) 1984-08-08

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Legal Events

Date Code Title Description
MKEX Expiry