CA996297A - High pressure process for polyethylene production - Google Patents

High pressure process for polyethylene production

Info

Publication number
CA996297A
CA996297A CA133,082A CA133082A CA996297A CA 996297 A CA996297 A CA 996297A CA 133082 A CA133082 A CA 133082A CA 996297 A CA996297 A CA 996297A
Authority
CA
Canada
Prior art keywords
high pressure
pressure process
polyethylene production
polyethylene
production
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
CA133,082A
Other languages
English (en)
Other versions
CA133082S (en
Inventor
Ralph M. Knight
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.)
Dart Industries Inc
Original Assignee
Dart Industries Inc
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 Dart Industries Inc filed Critical Dart Industries Inc
Application granted granted Critical
Publication of CA996297A publication Critical patent/CA996297A/en
Expired legal-status Critical Current

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
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/2425—Tubular reactors in parallel
    • 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
    • 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
    • B01J2219/00002—Chemical plants
    • B01J2219/00004—Scale aspects
    • B01J2219/00006—Large-scale industrial plants
    • 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
    • B01J2219/00121—Controlling the temperature by direct heating or cooling
    • B01J2219/00123—Controlling the temperature by direct heating or cooling adding a temperature modifying medium to the reactants

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)
  • Instructional Devices (AREA)
CA133,082A 1971-01-25 1972-01-24 High pressure process for polyethylene production Expired CA996297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10941671A 1971-01-25 1971-01-25

Publications (1)

Publication Number Publication Date
CA996297A true CA996297A (en) 1976-08-31

Family

ID=22327531

Family Applications (1)

Application Number Title Priority Date Filing Date
CA133,082A Expired CA996297A (en) 1971-01-25 1972-01-24 High pressure process for polyethylene production

Country Status (6)

Country Link
US (2) US3745658A (fr)
JP (1) JPS5222975B1 (fr)
CA (1) CA996297A (fr)
DE (1) DE2203428B2 (fr)
FR (1) FR2123374B1 (fr)
GB (1) GB1345673A (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3875134A (en) * 1973-05-07 1975-04-01 Sumitomo Chemical Co Process for producing ethylene polymer under high pressure
US3937930A (en) * 1973-12-17 1976-02-10 Thomas Frank J Rotary slide rule for topographic calculations
US4002813A (en) * 1974-08-16 1977-01-11 Dart Industries Inc. Injection of catalysts into a polymerization autoclave
US3974237A (en) * 1975-02-21 1976-08-10 Exxon Research And Engineering Company Block copolymer processes
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
US4046718A (en) * 1976-06-17 1977-09-06 The Dow Chemical Company Polymerization method employing tubular reactor
DE2826196A1 (de) * 1978-06-15 1979-12-20 Hoechst Ag Verfahren zur rueckgewinnung von nicht umgesetztem propylen bei der massepolymerisation
FR2445344A1 (fr) * 1978-12-28 1980-07-25 Charbonnages Ste Chimique Procede d'elargissement de la repartition moleculaire du polyethylene par emploi de deux reacteurs et de deux separateurs
US4255387A (en) * 1978-12-29 1981-03-10 El Paso Polyolefins Company High pressure tubular reactor apparatus
US4439601A (en) * 1979-03-30 1984-03-27 Cosden Technology, Inc. Multiple stage devolatilization process for mass processable polymers
FR2460306A1 (fr) * 1979-07-05 1981-01-23 Charbonnages Ste Chimique Procede de production de polymeres de l'ethylene et appareil pour sa mise en oeuvre
US4831108A (en) * 1983-02-16 1989-05-16 Amoco Corporation Polycondensation process with mean dispersion residence time
DE3633819A1 (de) * 1986-10-04 1988-04-14 Basf Ag Abscheidesystem zur reduktion der feststoffemission bei entspannungsvorgaengen an hochdruckpolymerisationsreaktoren
US5200486A (en) * 1988-12-29 1993-04-06 Hoechst Aktiengesellschaft Process for separating volatile components from reaction mixtures obtained through high-pressure polymerization
US6852787B1 (en) * 1999-08-17 2005-02-08 Mcmichael James W. Free-flowing polymer composition
WO2003040850A1 (fr) * 2001-11-09 2003-05-15 Carismia Pty Ltd Appareil d'estimation
US7000331B2 (en) * 2004-02-21 2006-02-21 James P. Kennedy Measuring and tool setting device for use on woodworking machines
US20060020431A1 (en) * 2004-05-11 2006-01-26 Peter Gipps Path determination system for transport system
US20060020789A1 (en) * 2004-05-11 2006-01-26 Peter Gipps Secure infrastructure for path determination system
WO2006065270A1 (fr) * 2004-05-11 2006-06-22 Quantm Ltd. Systeme d'analyse de voies
US20060206623A1 (en) * 2005-03-10 2006-09-14 Peter Gipps Path determination system for vehicle infrastructure paths
US20060020430A1 (en) * 2004-05-11 2006-01-26 Peter Gipps Path analysis system with client and server-side applications
US20050268245A1 (en) * 2004-05-11 2005-12-01 Peter Gipps User interface for path determination system
CN101242891B (zh) * 2005-08-24 2011-05-11 巴斯夫欧洲公司 生产吸水性聚合物颗粒的方法
US20090198505A1 (en) * 2008-02-05 2009-08-06 Peter Gipps Interactive path planning with dynamic costing
US20120240421A1 (en) * 2010-12-28 2012-09-27 Agco Corporation Field Productivity Gauge
WO2016022225A1 (fr) 2014-08-05 2016-02-11 Exxonmobil Chemical Patents Inc. Procédé de fabrication de polymères d'éthylène et d'utilisation des modificateurs
US11933000B2 (en) * 2020-10-13 2024-03-19 Samuel C. Patterson Depth guide for paving machine
CN115197348A (zh) * 2021-04-14 2022-10-18 浙江大学 乙烯聚合物以及用于制备乙烯聚合物的高压自由基聚合方法与装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975521A (en) * 1953-12-30 1961-03-21 Eugene C Holmes Area measuring device
US2972810A (en) * 1956-12-17 1961-02-28 Davis Franklin Le Roy Device for computing areas and volumes
FR1325698A (fr) * 1961-03-18 1963-05-03 Bayer Ag Réacteur tubulaire destiné notamment à des polymérisations sous pression
FR1474635A (fr) * 1965-04-09 1967-03-24 Union Carbide Corp Polymères d'éthylène pulvérulents et procédé pour les produire

Also Published As

Publication number Publication date
GB1345673A (en) 1974-01-30
US3745658A (en) 1973-07-17
FR2123374B1 (fr) 1975-10-24
FR2123374A1 (fr) 1972-09-08
DE2203428B2 (de) 1976-07-15
DE2203428A1 (de) 1972-08-17
US3719643A (en) 1973-03-06
JPS5222975B1 (fr) 1977-06-21

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