SG17185G - Improved process for preparing ethylene polymers - Google Patents

Improved process for preparing ethylene polymers

Info

Publication number
SG17185G
SG17185G SG17185A SG17185A SG17185G SG 17185 G SG17185 G SG 17185G SG 17185 A SG17185 A SG 17185A SG 17185 A SG17185 A SG 17185A SG 17185 G SG17185 G SG 17185G
Authority
SG
Singapore
Prior art keywords
polymerization
autoclave reactor
improved process
ethylene polymers
preparing ethylene
Prior art date
Application number
SG17185A
Other languages
English (en)
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of SG17185G publication Critical patent/SG17185G/en

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
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1862—Stationary reactors having moving elements inside placed in series
    • 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
    • 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
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00103—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor in a heat exchanger separate from the reactor
    • 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
    • B01J2219/00164—Controlling or regulating processes controlling the flow
    • B01J2219/00166—Controlling or regulating processes controlling the flow controlling the residence time inside the reactor vessel
    • 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
    • B01J2219/00184—Controlling or regulating processes controlling the weight of reactants in the reactor vessel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (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)
SG17185A 1981-07-30 1985-03-13 Improved process for preparing ethylene polymers SG17185G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12054181A JPS5821406A (ja) 1981-07-30 1981-07-30 エチレン重合体の製造方法

Publications (1)

Publication Number Publication Date
SG17185G true SG17185G (en) 1985-09-13

Family

ID=14788839

Family Applications (1)

Application Number Title Priority Date Filing Date
SG17185A SG17185G (en) 1981-07-30 1985-03-13 Improved process for preparing ethylene polymers

Country Status (6)

Country Link
EP (1) EP0072165A1 (xx)
JP (1) JPS5821406A (xx)
BR (1) BR8204470A (xx)
CA (1) CA1191998A (xx)
GB (1) GB2103632B (xx)
SG (1) SG17185G (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1923861B (zh) * 2005-09-02 2012-01-18 北方技术股份有限公司 在烯烃聚合催化剂存在下的烯烃聚合方法
DE102007038332A1 (de) * 2007-08-14 2009-02-19 Wacker Chemie Ag Kontinuierliches Polymerisationsverfahren
CA2723515C (en) 2010-12-01 2018-05-15 Nova Chemicals Corporation Heat management in ethylene oligomerization
JP5901361B2 (ja) * 2011-11-18 2016-04-06 住友化学株式会社 連続重合装置および重合体組成物の製造方法
CN106669561B (zh) * 2017-01-13 2024-07-05 上海凯赛生物技术股份有限公司 一种平行聚合釜

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1548203A (en) * 1975-08-05 1979-07-04 Stamicarbon Process and apparatus for the preparation of polyolefins with a widge molecular-weight distribution
FR2445343A1 (fr) * 1978-12-28 1980-07-25 Charbonnages Ste Chimique Procede pour l'elargissement de la repartition moleculaire du polyethylene par emploi de deux reacteurs fonctionnant a des pressions et temperatures tres differentes et en absence d'hydrogene

Also Published As

Publication number Publication date
GB2103632A (en) 1983-02-23
CA1191998A (en) 1985-08-13
JPS5821406A (ja) 1983-02-08
GB2103632B (en) 1985-01-30
JPH0322402B2 (xx) 1991-03-26
EP0072165A1 (en) 1983-02-16
BR8204470A (pt) 1983-07-19

Similar Documents

Publication Publication Date Title
EP0372239A3 (de) Verfahren zur Herstellung von Ethylenpolymerisaten mittels eines Vanadin enthaltenden Ziegler-Katalysatorsystems unter Zerstörung überschüssiger Katalysatorreste.
CA2207910A1 (en) Process for preparing polyethylene
DE3568171D1 (en) Process for the manufacture of copolymers of ethylene and comonomers containing carboxylic groups in a two-zone reactor at a pressure of at least 500 bars
GB2103632B (en) Improved process for preparing ethylene polymers
NO903437L (no) Fremgangsmaate for fremstilling av polymerer.
JPS5586803A (en) Improved preparation of polyethylene
ES429089A1 (es) Un procedimiento para la preparacion de un copolimero esta- distico.
NO167984C (no) Fremgangsmaate for rask nedsettelse av trykket i kontinuerlig drevne hoeytrykkpolymerisasjonssystemer.
GB1441115A (en) Process for the preparation of ethylene polymers of controlled density
KR840000586A (ko) 일정한 물리화학적 성질을 갖는 폴리에틸렌의 제조방법
NO922109D0 (no) Fremgangsmaate for fremstilling av polymerer
NO905105L (no) Fremgangsmaate for fremstilling av polymerer.
EP0266543A3 (de) Abscheidesystem zur Reduktion der Feststoffemission bei Entspannungsvorgängen an Hochdruckpolymerisationsreaktoren
ES8401097A1 (es) Procedimiento para la polimerizacion de un monomero polimerizable perteneciente al grupo de los alquenos.
DE3474153D1 (en) Process for the manufacture of ethylene polymers at a pressure of at least 500 bar in a one-zone tubular reactor
ES8504848A1 (es) Procedimiento perfeccionado de polimerizacion y copolimerizacion de etileno, a presiones y temperaturas elevadas
MX152348A (es) Procedimiento y aparato mejorados para la polimerizacion de etileno o la copolimerizacion de etileno con alfa olefinas
ATE85627T1 (de) Verfahren zum herstellen von randomcopolymerisaten des propens mit anderen monoalkenen.
GB1466848A (en) Process for producing a polymer of ethylene
GB1213416A (en) A process for the polymerisation of ethylene
ES301412A1 (es) Procedimiento para la polimerización continua de monómeros orgánicos insaturados
FR2364931A1 (fr) Procede perfectionne de preparation de polymeres hydroxytelecheliques
AU536206B2 (en) Ethylene polymerisation apparatus
ES275494A3 (es) Un procedimiento continuo de polimerización de etileno
TH3945A (th) กระบวนการสำหรับการไดเมอไรซ์เอธิลีนและการโคโพลีเมอร์ไรซ์เอธิลีน กับผลิตภัณฑ์จากการไดเมอไรซ์ในเวลาเดียวกัน