ES481407A1 - Procedimiento para la recuperacion de propileno sin reaccio-nar en la polimerizacion en masa. - Google Patents

Procedimiento para la recuperacion de propileno sin reaccio-nar en la polimerizacion en masa.

Info

Publication number
ES481407A1
ES481407A1 ES481407A ES481407A ES481407A1 ES 481407 A1 ES481407 A1 ES 481407A1 ES 481407 A ES481407 A ES 481407A ES 481407 A ES481407 A ES 481407A ES 481407 A1 ES481407 A1 ES 481407A1
Authority
ES
Spain
Prior art keywords
propylene
recuperation
unreacted propylene
bulk polymerization
evaporated
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
ES481407A
Other languages
English (en)
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of ES481407A1 publication Critical patent/ES481407A1/es
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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/26—Treatment of polymers prepared in bulk also solid polymers or polymer melts
    • C08F6/28—Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

Procedimiento para la recuperación del propileno sin reaccionar en la polimerización de propileno o de una mezcla de propileno con etileno y/o una 1-olefina de la fórmula CH2=CHR, en la que R significa un radical alcohilo con 2 a 10 átomos de carbono, en propileno líquido como medio de suspensión, después de separar por evaporación el polímero sólido producido, de las aguas madres obtenidas, que contienen sustancialmente propileno líquido y polímero atáctico, caracterizado porque se evapora en un primer evaporador a una temperatura de 0 a 35ºC , 50 a 95% en peso del propileno, después de lo cual se evapora el propileno restante en un dispositivo evaporador de circulación forzosa, a una temperatura de 150 a 300ºC.
ES481407A 1978-06-15 1979-06-08 Procedimiento para la recuperacion de propileno sin reaccio-nar en la polimerizacion en masa. Expired ES481407A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782826196 DE2826196A1 (de) 1978-06-15 1978-06-15 Verfahren zur rueckgewinnung von nicht umgesetztem propylen bei der massepolymerisation

Publications (1)

Publication Number Publication Date
ES481407A1 true ES481407A1 (es) 1980-01-16

Family

ID=6041837

Family Applications (1)

Application Number Title Priority Date Filing Date
ES481407A Expired ES481407A1 (es) 1978-06-15 1979-06-08 Procedimiento para la recuperacion de propileno sin reaccio-nar en la polimerizacion en masa.

Country Status (8)

Country Link
US (1) US4529795A (es)
EP (1) EP0006490B1 (es)
JP (1) JPS55792A (es)
AU (1) AU530075B2 (es)
CA (1) CA1109494A (es)
DE (2) DE2826196A1 (es)
ES (1) ES481407A1 (es)
ZA (1) ZA792947B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546172A (en) * 1983-01-20 1985-10-08 Mitsubishi Chemical Industries Ltd. Process for producing polycarbonate resin particles
US5216121A (en) * 1990-11-13 1993-06-01 Zanella Giuseppe Process for facilitating the handling of tacky polymers during their polymerization
US5703203A (en) * 1995-03-31 1997-12-30 Montell North America Inc. Removal of oligomers from substantially crystalline, α-olefin polymers
AT405284B (de) * 1996-10-31 1999-06-25 Danubia Petrochem Polymere Verfahren zur kontinuierlichen herstellung von elastischen polypropylenen
DE19915705C2 (de) * 1999-04-08 2002-09-12 Ticona Gmbh Verfahren zur Abtrennung von Feststoffen aus Polymerlösungen
ATE515300T1 (de) * 1999-12-17 2011-07-15 Ticona Gmbh Verfahren und vorrichtung zur abtrennung von feststoffen aus einer flüssigen phase
CN103463923B (zh) * 2013-08-20 2015-07-01 宁夏宝塔石化科技实业发展有限公司 一种聚丙烯生产尾气的分离与回收装置
CN104961619B (zh) * 2015-05-15 2018-03-16 中国寰球工程公司 气相法聚丙烯装置开车阶段液相丙烯回收的方法和装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE558534A (es) * 1956-06-21
GB1020766A (en) * 1961-12-19 1966-02-23 Basf Ag Separating poly(ª‡-monoolefines) from solutions of the same
FR1389697A (fr) * 1963-02-06 1965-02-19 Dow Chemical Co Procédé de récupération du monomère dans une solution d'effluent de polymérisation
US3639374A (en) * 1963-04-11 1972-02-01 Rexall Drug Chemical Process for flashing propylene diluent from polypropylene in cyclone separator
GB1040669A (en) * 1963-08-07 1966-09-01 Rexall Drug & Chemical Company Improvements in and relating to the production of polyolefins
FR1534224A (fr) * 1967-08-11 1968-07-26 Midland Silicones Ltd Procédé et dispositif de traitement d'une matière plastique pour en éliminer lesgaz et/ou les substances volatiles occlus
US3719643A (en) * 1971-01-25 1973-03-06 Dart Ind Inc High pressure process for polyethylene production
US3816379A (en) * 1971-07-26 1974-06-11 Exxon Research Engineering Co Monomer and solvent recovery in polymerization processes
US4093795A (en) * 1975-06-03 1978-06-06 Basf Aktiengesellschaft Multi-stage isolation of high pressure polyethylene

Also Published As

Publication number Publication date
ZA792947B (en) 1980-07-30
DE2961539D1 (en) 1982-02-04
JPS55792A (en) 1980-01-07
CA1109494A (en) 1981-09-22
EP0006490B1 (de) 1981-12-09
US4529795A (en) 1985-07-16
AU4805279A (en) 1979-12-20
EP0006490A1 (de) 1980-01-09
AU530075B2 (en) 1983-06-30
DE2826196A1 (de) 1979-12-20

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