IL63601A0 - Degassing process for removing unpolymerized monomers from olefin polymers - Google Patents

Degassing process for removing unpolymerized monomers from olefin polymers

Info

Publication number
IL63601A0
IL63601A0 IL63601A IL6360181A IL63601A0 IL 63601 A0 IL63601 A0 IL 63601A0 IL 63601 A IL63601 A IL 63601A IL 6360181 A IL6360181 A IL 6360181A IL 63601 A0 IL63601 A0 IL 63601A0
Authority
IL
Israel
Prior art keywords
olefin polymers
degassing process
unpolymerized monomers
removing unpolymerized
monomers
Prior art date
Application number
IL63601A
Other languages
English (en)
Original Assignee
Union Carbide Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22672552&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL63601(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of IL63601A0 publication Critical patent/IL63601A0/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00Post-polymerisation treatments
    • C08F6/001Removal of residual monomers by physical means
    • C08F6/005Removal of residual monomers by physical means from solid polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation

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)
IL63601A 1980-09-02 1981-08-18 Degassing process for removing unpolymerized monomers from olefin polymers IL63601A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/183,375 US4372758A (en) 1980-09-02 1980-09-02 Degassing process for removing unpolymerized monomers from olefin polymers

Publications (1)

Publication Number Publication Date
IL63601A0 true IL63601A0 (en) 1981-11-30

Family

ID=22672552

Family Applications (1)

Application Number Title Priority Date Filing Date
IL63601A IL63601A0 (en) 1980-09-02 1981-08-18 Degassing process for removing unpolymerized monomers from olefin polymers

Country Status (19)

Country Link
US (1) US4372758A (fr)
EP (1) EP0047077B1 (fr)
JP (1) JPS5776006A (fr)
KR (1) KR830006335A (fr)
AR (1) AR226742A1 (fr)
AU (1) AU545086B2 (fr)
BR (1) BR8105547A (fr)
CA (1) CA1171591A (fr)
DD (1) DD201909A5 (fr)
DE (1) DE3173767D1 (fr)
DK (1) DK386981A (fr)
FI (1) FI812638L (fr)
GR (1) GR74665B (fr)
IL (1) IL63601A0 (fr)
MA (1) MA19261A1 (fr)
MX (1) MX158455A (fr)
NO (1) NO812917L (fr)
PL (1) PL232874A1 (fr)
ZA (1) ZA815286B (fr)

Families Citing this family (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3425125A1 (de) * 1984-07-07 1986-01-16 Bayer Ag, 5090 Leverkusen Verfahren zum entfernen von unerwuenschten restbestandteilen, insbesondere niedermolekularen komponenten, aus festen polymeren
US4666998A (en) * 1984-12-31 1987-05-19 Mobil Oil Corporation Closed loop recycle of vent gas in polymerization process
AU576409B2 (en) * 1984-12-31 1988-08-25 Mobil Oil Corporation Fluidized bed olefin polymerization process
US4710538A (en) * 1986-03-10 1987-12-01 Union Carbide Corporation Process for the production of a sticky polymer
FR2598350B1 (fr) * 1986-05-06 1989-11-17 Bp Chimie Sa Procede et dispositif pour degazer et pour transformer en granules des particules de polyolefines obtenues par polymerisation en phase gazeuse
US4727122A (en) * 1986-09-04 1988-02-23 Mobil Oil Corporation Recovery of unreacted monomers in olefin polymerization process
US4731438A (en) * 1986-12-30 1988-03-15 Union Carbide Corporation Water treatment method for resin in a purge vessel
EP0339122B1 (fr) * 1988-04-29 1991-10-16 Union Carbide Corporation Procédé pour traiter une résine dans une dispositif de purification
US4758654A (en) * 1987-04-28 1988-07-19 Union Carbide Corporation Method for treating resin in a purge vessel
DE3815487A1 (de) * 1988-05-06 1989-11-16 Basf Ag Verfahren zur niederdruckcopolymerisation von ethylen mit (alpha)-olefinen und ethylencopolymerisate mit niederem restmonomerengehalt
US4958006A (en) * 1988-06-28 1990-09-18 Union Carbide Chemicals And Plastics Inc. Fluidized bed product discharge process
JP2565753B2 (ja) * 1988-09-19 1996-12-18 住友化学工業株式会社 ポリプロピレン成形品
DE3840293A1 (de) * 1988-11-30 1990-05-31 Werner & Pfleiderer Verfahren zum entfernen von verunreinigungen aus polymeren kunststoffen und vorrichtung zur durchfuehrung des verfahrens
US4910295A (en) * 1989-04-28 1990-03-20 Union Carbide Chemicals And Plastics Company Inc. Process for reducing the odor of ethylidene norbornene present in EPDM resin
KR920021591A (ko) * 1991-05-17 1992-12-18 티모시 엔. 비숍 올리핀 중합체로부터 중합되지 않은 단량체를 제거하기 위한 가스 제거 방법
US5191062A (en) * 1991-09-27 1993-03-02 Union Carbide Chemicals & Plastics Technology Corporation Steam purging of granular epdm resins
US5276135A (en) * 1992-03-20 1994-01-04 E. I. Du Pont De Nemours And Company Stabilized copolymers of ethylene with ethylenically unsaturated carboxylic acids
US5322927A (en) * 1992-09-02 1994-06-21 The Boc Group, Inc. Method for producing polymers
KR0169505B1 (ko) * 1992-09-11 1999-01-15 오오쓰끼 아끼히꼬 약제 포장용 폴리올레핀 포장재, 그의 제조방법 및 약제 포장용 용기
US5292863A (en) * 1992-11-02 1994-03-08 Union Carbide Chemicals Process for removing unpolymerized gaseous monomers from olefin polymers
US5376742A (en) * 1993-09-23 1994-12-27 Quantum Chemical Corporation Monomer recovery in gas phase fluid bed olefin polymerization
US5391656A (en) * 1993-09-24 1995-02-21 Union Carbide Chemicals & Plastics Technology Corporation Recovery of unreacted monomers in an olefin polymerization process
FR2719847B1 (fr) * 1994-05-16 1996-08-09 Bp Chemicals Snc Procédé de polymérisation d'oléfine en phase gazeuse.
US5478922A (en) * 1994-07-08 1995-12-26 Union Carbide Chemicals & Plastics Technology Corporation Process for post reactor purging of residual monomers from solid polymer resins
US5521264A (en) * 1995-03-03 1996-05-28 Advanced Extraction Technologies, Inc. Gas phase olefin polymerization process with recovery of monomers from reactor vent gas by absorption
US5681908A (en) * 1995-03-03 1997-10-28 Advanced Extraction Technologies, Inc. Absorption process for rejection of reactor byproducts and recovery of monomers from waste gas streams in olefin polymerization processes
TW440572B (en) * 1996-04-11 2001-06-16 Mitsui Petrochemical Ind Method of drying solid polymer and drying apparatus
US5861474A (en) * 1996-07-23 1999-01-19 The Dow Chemical Company Polymer devolatilization
US6239235B1 (en) 1997-07-15 2001-05-29 Phillips Petroleum Company High solids slurry polymerization
US6281300B1 (en) * 1998-03-20 2001-08-28 Exxon Chemical Patents, Inc. Continuous slurry polymerization volatile removal
WO1999047251A1 (fr) 1998-03-20 1999-09-23 Exxon Chemical Patents Inc. Elimination continue de suspension de polymerisation volatile
KR100531628B1 (ko) * 1998-03-20 2005-11-29 엑손모빌 케미칼 패턴츠 인코포레이티드 연속적인 슬러리 중합반응의 휘발물질 제거
US20020111441A1 (en) 1998-03-20 2002-08-15 Kendrick James Austin Continuous slurry polymerization volatile removal
US7268194B2 (en) * 1998-03-20 2007-09-11 Exxonmobil Chemical Patents Inc. Continuous slurry polymerization process and apparatus
US6028166A (en) * 1998-06-02 2000-02-22 Dallas Semiconductor Corporation Method and apparatus for generating a continuous source of mixed and degassed resin
US6214903B1 (en) 1998-06-16 2001-04-10 Union Carbide Chemicals & Plastics Technology Corporation Post-reactor process for treating polymers prepared in a gas phase polymerization in the presence of an inert particulate material
US6255411B1 (en) 1999-04-07 2001-07-03 Union Carbide Chemicals & Plastics Technology Corporation Reactor product discharge system
HUP0202409A2 (en) * 1999-07-15 2002-10-28 Phillips Petroleum Co Slotted slurry take off
DE19938574A1 (de) * 1999-08-17 2001-02-22 Stockhausen Chem Fab Gmbh Verfahren und Vorrichtung zur Entfernung von Sauerstoff aus wässrigen Monomerenlösungen
GB0110161D0 (en) * 2001-04-25 2001-06-20 Bp Chem Int Ltd Polymer treatment
GB0118609D0 (en) * 2001-07-31 2001-09-19 Bp Chem Int Ltd Degassing process
WO2003057658A1 (fr) * 2002-01-08 2003-07-17 Mitsubishi Chemical Corporation Procede permettant d'empecher l'encrassement d'un appareil de manipulation de l'acide (meth)acrylique et de son ester
KR100633739B1 (ko) * 2002-03-29 2006-10-13 미쓰이 가가쿠 가부시키가이샤 중합체 제조 플랜트의 배기가스의 재사용 방법
EP1558651B1 (fr) * 2002-10-30 2009-02-25 INEOS Manufacturing Belgium NV Traitement de polymere
WO2004047959A1 (fr) * 2002-11-22 2004-06-10 Basell Polyolefine Gmbh Suppression sure de composes volatils oxydables de particules, en particulier, de particules polymeres
US20040167348A1 (en) * 2003-02-26 2004-08-26 Prasad Vidyanatha A. Methods for purifying O,O-dialkyl S-[2-(alkylthio)alkyl] phosphorodithioates
DE102004011324B4 (de) * 2004-03-09 2023-10-19 Coperion Gmbh Verfahren und Anlage zum Entgasen von Restmonomere enthaltendem Polyolefin-Granulat
WO2006009944A2 (fr) * 2004-06-21 2006-01-26 Exxonmobil Chemical Patents Inc. Processus de polymerisation
EP1765891A2 (fr) * 2004-06-21 2007-03-28 ExxonMobil Chemical Patents Inc. Procede de polymerisation
US7728084B2 (en) * 2004-06-21 2010-06-01 Exxonmobil Chemical Patents Inc. Polymerization process
EP1832404A1 (fr) * 2006-03-07 2007-09-12 Total Petrochemicals Research Feluy Appareil et méthode pour le dégazage de poudre de polymère
CA2661720C (fr) 2006-08-25 2016-10-11 Chevron Phillips Chemical Company Lp Procede et appareil permettant de gerer la teneur en composes organiques volatils d' une polyolefine
US20100239914A1 (en) * 2009-03-19 2010-09-23 Sion Power Corporation Cathode for lithium battery
EP2219756B1 (fr) 2007-11-27 2017-03-15 Univation Technologies, LLC Methode d'utilisation d'une colonne de strippage intégrée pour matière première hydrocarbonée
US20090214395A1 (en) * 2008-02-27 2009-08-27 The Dow Chemical Company Raw Material Efficiency Method and Process
EP2172495A1 (fr) 2008-10-03 2010-04-07 Ineos Europe Limited Procédé de production de polymères
EP2172494A1 (fr) 2008-10-03 2010-04-07 Ineos Europe Limited Procédé
US8470082B2 (en) * 2008-11-26 2013-06-25 Univation Technologies, Llc Systems using mass flow promoting insert with gas purging and methods thereof
JP5528428B2 (ja) 2009-03-26 2014-06-25 積水化成品工業株式会社 複合樹脂粒子中の臭気の低減方法
EP2357035A1 (fr) 2010-01-13 2011-08-17 Ineos Europe Limited Stockage et/ou transport de poudre de polymère et/ou récipients de dégazage
EP2404665A1 (fr) 2010-07-08 2012-01-11 Ineos Commercial Services UK Limited Interverrouillage et procédé de polymérisation
EP2404942A1 (fr) 2010-07-08 2012-01-11 Ineos Commercial Services UK Limited Interverrouillage et procédé de polymérisation
EP2404943A1 (fr) 2010-07-08 2012-01-11 Ineos Commercial Services UK Limited Interverrouillage et procédé de polymérisation
MY161690A (en) * 2010-07-09 2017-05-15 Univation Tech Llc Ethylene expansion for low temperature refrigeration in polyethylene vent recovery
US9126353B2 (en) * 2010-11-03 2015-09-08 Ineos Olefins & Polymers Usa Method and apparatus for making polyolefin pellets
ES2750274T3 (es) * 2010-11-03 2020-03-25 Ineos Usa Llc Tratamiento posterior de resinas de poliolefina granuladas
CN102161715B (zh) * 2011-01-31 2012-06-06 浙江大学 一种固体聚合物脱气及排放气回收的方法和装置
EP2743278A1 (fr) 2012-12-11 2014-06-18 Basell Polyolefine GmbH Procédé de dégazage et de tamponnage de particules de polyoléfine obtenues par polymérisation d'oléfines
ES2628082T3 (es) 2013-04-22 2017-08-01 Borealis Ag Procedimiento con múltiples etapas para producir composiciones de polipropileno resistentes a baja temperatura
ES2632593T3 (es) 2013-04-22 2017-09-14 Borealis Ag Procedimiento de dos fases de producción de composiciones de polipropileno
EP2796474B1 (fr) 2013-04-22 2018-01-10 Borealis AG Procédé en plusieurs étapes de production de compositions de polypropylène
CN103520946B (zh) 2013-09-25 2015-11-25 杭州双安科技有限公司 用于在烯烃聚合物生产中回收排放气的系统和方法
EP2853562A1 (fr) 2013-09-27 2015-04-01 Borealis AG Procédé en deux étapes pour la fabrication de compositions de polypropylène
EP2860203B1 (fr) 2013-10-10 2016-12-14 Borealis AG Procédé en plusieurs étapes de production de compositions de polyéthylène
KR101534149B1 (ko) 2013-11-29 2015-07-03 롯데케미칼 주식회사 폴리올레핀의 정제 방법
EP2883887A1 (fr) 2013-12-13 2015-06-17 Borealis AG Procédé en plusieurs étapes de production de compositions de polyéthylène
EP2883885A1 (fr) 2013-12-13 2015-06-17 Borealis AG Procédé en plusieurs étapes de production de compositions de polyéthylène
RU2016138019A (ru) * 2014-02-26 2018-03-29 Инеос Юроуп Аг Способ полимеризации и полимеризационная установка, включающая секцию дегазации
EP2913345B1 (fr) 2014-02-28 2016-11-02 Borealis AG Procédé de polymérisation en phase gazeuse
EP2913346B1 (fr) 2014-02-28 2016-11-02 Borealis AG Procédé de polymérisation d'oléfines dans un lit fluidisé
CN106715067A (zh) 2014-12-08 2017-05-24 博里利斯股份公司 丙烯共聚物粒料的制备方法
EA032875B1 (ru) 2014-12-22 2019-07-31 Сабик Глоубл Текнолоджиз Б.В. Способ перехода между несовместимыми катализаторами
BR112017013299A2 (pt) 2014-12-22 2018-01-02 Sabic Global Technologies Bv processo de transição entre catalisadores incompatíveis
CN107406645A (zh) 2015-02-20 2017-11-28 北欧化工股份公司 制备多相丙烯共聚物的方法
WO2016151098A1 (fr) 2015-03-24 2016-09-29 Sabic Global Technologies B.V. Procédé de transition entre des catalyseurs incompatibles
PL3103818T3 (pl) 2015-06-12 2018-12-31 Borealis Ag Sposób i aparat do polimeryzacji olefin w fazie gazowej
ES2707391T3 (es) 2015-06-23 2019-04-03 Borealis Ag Procedimiento para la producción de resinas de LLDPE
BR112017028352B1 (pt) 2015-07-31 2022-02-08 Exxonmobil Chemical Patents Inc Recuperação de monômeros não reagidos a partir de processos de polimerização de olefina
RU2738657C2 (ru) * 2015-11-05 2020-12-15 Эксонмобил Кемикэл Пейтентс Инк. Способы регулирования и системы, предназначенные для очистки полимерного продукта продувкой
CN108350120A (zh) 2015-11-05 2018-07-31 埃克森美孚化学专利公司 聚合物净化的控制方法与系统
EP3184166A1 (fr) 2015-12-22 2017-06-28 Borealis AG Procédé pour retirer des agglomérats à partir d'un réacteur à lit fluidisé
EP3184167B8 (fr) 2015-12-22 2022-03-30 Borealis AG Procédé de renvoi de polymère à un réacteur à lit fluidisé
CN108431050B (zh) 2015-12-30 2020-08-21 Sabic环球技术有限责任公司 改进的以冷凝模式操作的气相烯烃聚合方法
EP3464457B1 (fr) 2016-05-31 2021-09-01 Borealis AG Composition polymère et procédé de fabrication de ladite composition polymère
EP3475313B1 (fr) 2016-06-22 2024-03-20 Borealis AG Composition des trois polyethylenes et procédé de production associé
KR102461683B1 (ko) 2016-09-16 2022-11-01 더블유.알. 그레이스 앤드 캄파니-콘. 효율적인 중합체 입자 퍼징을 위한 공정
CN109803986B (zh) 2016-09-28 2020-04-14 博里利斯股份公司 用于制备涂覆管道的方法
CA3036991C (fr) 2016-11-25 2021-01-12 Borealis Ag Composition polymere d'un poids moleculaire tres eleve, d'un poids moleculaire faible et des fractions de polyethylene a poids moleculaire eleve
EP3544815B1 (fr) 2016-11-25 2020-12-30 Borealis AG Procédé de production de composition de film de polyoléfine et films préparés à partir de celle-ci
GB201620525D0 (en) 2016-12-02 2017-01-18 Ineos Europe Ag Process
BR112019009598B1 (pt) * 2016-12-23 2023-02-07 Borealis Ag Processo para reduzir o teor de compostos orgânicos voláteis de plastômeros granulados
US10029230B1 (en) 2017-01-24 2018-07-24 Chevron Phillips Chemical Company Lp Flow in a slurry loop reactor
WO2018204026A1 (fr) 2017-05-05 2018-11-08 Exxonmobil Chemical Patents Inc. Procédés et systèmes pour la récupération de composés organiques volatils à partir d'un produit polymère purgé
ES2786756T3 (es) 2017-06-20 2020-10-13 Borealis Ag Un método, una disposición y uso de una disposición para la polimerización de olefinas
EP3418309A1 (fr) 2017-06-20 2018-12-26 Borealis AG Procédé, agencement et utilisation d'un agencement de préparation de polymère
EP3418330B2 (fr) 2017-06-21 2023-07-19 Borealis AG Composition polymère et procédé de production associé
EP3418310B1 (fr) 2017-06-23 2020-04-08 Borealis AG Procédé et appareil de retrait de matériau polymère à partir d'un réacteur de polymérisation d'oléfines gaz-solides
US11208506B2 (en) 2017-07-26 2021-12-28 Exxonmobil Chemical Patents Inc. Removal of unreacted monomers and other materials from polyolefin product particles
EP3661976A4 (fr) * 2017-08-01 2021-08-25 ExxonMobil Chemical Patents Inc. Procédés de récupération de solides de polyoléfine
US10730032B2 (en) * 2018-05-16 2020-08-04 Chevron Phillips Chemical Company Lp Polymer flake degassing system and methods
EP3807330A1 (fr) 2018-06-14 2021-04-21 Borealis AG Procédé destiné à polymériser une oléfine dans un réacteur en phase gazeuse à homogénéité thermique améliorée
WO2019243006A1 (fr) * 2018-06-22 2019-12-26 Borealis Ag Procédé de réduction de la teneur en cov de plastomères
EP3647328B1 (fr) 2018-10-31 2023-09-06 Borealis AG Réduction des valeurs de cov et de brouillard de grades de polypropylène par aération
WO2020136164A1 (fr) 2018-12-28 2020-07-02 Borealis Ag Procédé de production d'une composition de film de polyoléfine et films ainsi préparés
EP3902851A1 (fr) 2018-12-28 2021-11-03 Borealis AG Procédé de production d'une composition de film en polyoléfine et films ainsi préparés
CA3128328A1 (fr) * 2019-03-07 2020-09-10 Nova Chemicals (International) S.A. Devolatilisation de granules de plastomere
WO2020260021A1 (fr) 2019-06-24 2020-12-30 Borealis Ag Procédé de préparation de polypropylène à récupération améliorée
EP3868793A1 (fr) 2020-02-24 2021-08-25 Borealis AG Procédé de production de polymères d'alpha-oléfine dans un processus de polymérisation à plusieurs étapes
US11578147B2 (en) * 2020-03-17 2023-02-14 Exxonmobil Chemical Patents Inc. Olefin polymerization processes
CN112625150A (zh) * 2020-12-04 2021-04-09 浙江大学 一种烯烃聚合物生产中兼顾树脂输送、脱气和排放气回收的装置和方法
CN112480291B (zh) * 2020-12-10 2023-04-07 天华化工机械及自动化研究设计院有限公司 一种进一步提升气相法生产聚丙烯产品品质的方法
US20240279368A1 (en) 2021-06-11 2024-08-22 Borealis Ag A process for producing a multimodal ethylene polymer and films prepared therefrom
WO2024025742A1 (fr) 2022-07-25 2024-02-01 Exxonmobil Chemical Patents Inc. Polymère purgé, procédé et appareil pour sa production
EP4344869A1 (fr) 2022-09-30 2024-04-03 Borealis AG Composition de copolymère d'éthylène multimodal et films la comprenant
WO2024083689A1 (fr) 2022-10-18 2024-04-25 Borealis Ag Film multicouche
EP4403598A1 (fr) 2023-01-23 2024-07-24 Borealis AG Composition polymère comprenant du polyéthylène basse densité recyclé pour des applications d'emballage

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982763A (en) * 1961-05-02 mcleod
CA836977A (en) * 1970-03-17 Du Pont Of Canada Limited Steam stripping of blenders
US3039864A (en) * 1958-11-21 1962-06-19 Aluminum Co Of America Treatment of molten light metals
US3227703A (en) * 1963-01-28 1966-01-04 Eastman Kodak Co Process for deodorizing thermally degraded, unoxidized polyolefins
US3307271A (en) * 1964-02-06 1967-03-07 Du Pont Process for drying polymers
US3450183A (en) * 1964-10-02 1969-06-17 Phillips Petroleum Co Polymer recovery apparatus
US3310882A (en) * 1964-11-20 1967-03-28 Phillips Petroleum Co Solids transfer and storage system
US3594356A (en) * 1967-04-24 1971-07-20 Phillips Petroleum Co Polymer recovery process and apparatus
DE1795396C3 (de) 1968-09-26 1982-05-19 Basf Ag, 6700 Ludwigshafen Verfahren zum Entfernen flüchtiger, Geruchsbelästigungen hervorrufender Bestandteile aus feinteiligen Olefinpolymerisaten
US3585164A (en) * 1969-03-18 1971-06-15 American Cyanamid Co Casting technique using purge gas
LU70739A1 (fr) * 1974-08-14 1976-08-19
US4217444A (en) * 1975-03-28 1980-08-12 Rhone-Poulenc Industries Method of degassing polymers prepared by mass polymerizing a monomeric composition based on vinyl chloride
DE2735355A1 (de) * 1977-08-05 1979-02-15 Basf Ag Verfahren zum herstellen von homo- und copolymerisaten des aethylens
US4260398A (en) * 1977-12-01 1981-04-07 Ransohoff Jackson A Countercurrent sparger
IT1094859B (it) * 1978-05-29 1985-08-10 Montedison Spa Processo per l'ottenimento di policarbonato granulare
US4206300A (en) * 1978-06-12 1980-06-03 Standand Oil Company Method for improving color and impact strength of nitrile polymers
JPS5575410A (en) * 1978-11-30 1980-06-06 Sumitomo Chem Co Ltd Drying method and apparatus for polyolefin

Also Published As

Publication number Publication date
EP0047077B1 (fr) 1986-02-12
AU7369881A (en) 1982-04-01
AR226742A1 (es) 1982-08-13
US4372758A (en) 1983-02-08
GR74665B (fr) 1984-06-29
MX158455A (es) 1989-02-02
NO812917L (no) 1982-03-03
DD201909A5 (de) 1983-08-17
FI812638L (fi) 1982-03-03
AU545086B2 (en) 1985-06-27
CA1171591A (fr) 1984-07-24
ZA815286B (en) 1982-08-25
KR830006335A (ko) 1983-09-24
JPS6247441B2 (fr) 1987-10-08
DK386981A (da) 1982-03-03
PL232874A1 (fr) 1982-08-02
JPS5776006A (en) 1982-05-12
DE3173767D1 (en) 1986-03-27
MA19261A1 (fr) 1982-04-01
EP0047077A1 (fr) 1982-03-10
BR8105547A (pt) 1982-05-18

Similar Documents

Publication Publication Date Title
DE3173767D1 (en) Degassing process for removing unpolymerized monomers from olefin polymers
RO85779B (ro) Procedeu de polimerizare sau copolimerizare a olefinelor
EP0069371A3 (en) Improved polymerization process for carboxyl containing polymers
GB2070035B (en) Process for producing -olefin polymers
DE3366614D1 (en) Polymerization process for carboxyl containing polymers
DE3365251D1 (en) Treatment process for (co)polymers to eliminate rest monomers
SG49184G (en) Method for removal of heat from an olefin polymerization reactor
DE3468420D1 (en) Process for removal of residual monomers from ethylene copolymers
ZA811007B (en) Process for recovering vinyl polymers from emulsion polymerization latices
DE2967485D1 (en) Process and apparatus for the removal of olefin monomer from olefin polymers
FR2531073B1 (fr) Procede pour inhiber la polymerisation de composes aromatiques vinyliques
EP0091965A4 (fr) Procede permettant d'eviter le depot d'incrustations de polymeres pendant la polymerisation d'un monomere vinylique.
ZA923568B (en) Degassing process for removing unpolymerized monomers from olefin polymers
DE3060354D1 (en) Process for removing residual monomers from abs polymers
BE895667A (fr) Procede de polymerisation d'ethylene
PH18264A (en) Process for forming film from low strain hardening polymers
GB2087410B (en) Propplene polymerization process
EP0111903A3 (en) Olefin polymerization catalysts and process for producing olefin polymers by using such catalysts
IE812009L (en) Degassing process for removing umpolymerized monomers from¹olefin polymers
BE890030A (fr) Procede de polymerisation continue
DE3068098D1 (en) Polymerization process
GB2089353B (en) Ethylenic monomer polymerization process
DE3370803D1 (en) Process for polymerizing ethylene
SU1175939A1 (ru) "cпocoб otдeлehия heпpopeaгиpobabшиx mohomepob ot (co) пoлиmepob эtилeha и уctpoйctbo для eгo ocущectbлehия"
DE3374201D1 (en) A process for removing polymer scale adhering to a polymerization vessel