SG11201803782VA - High pressure, free radical polymerizations to produce ethylene-based polymers - Google Patents

High pressure, free radical polymerizations to produce ethylene-based polymers

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Publication number
SG11201803782VA
SG11201803782VA SG11201803782VA SG11201803782VA SG11201803782VA SG 11201803782V A SG11201803782V A SG 11201803782VA SG 11201803782V A SG11201803782V A SG 11201803782VA SG 11201803782V A SG11201803782V A SG 11201803782VA SG 11201803782V A SG11201803782V A SG 11201803782VA
Authority
SG
Singapore
Prior art keywords
ethylene
international
optionally
dow
pct
Prior art date
Application number
SG11201803782VA
Inventor
Otto J Berbee
Cornelis J F Hosman
Joaquin Flores
Sergio E Goncalves
Sarat Munjal
Michael E Bishop
Luiz Rodriguez
Original Assignee
Dow Global Technologies Llc
Dow Brasil Sudeste Ind Ltda
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 Dow Global Technologies Llc, Dow Brasil Sudeste Ind Ltda filed Critical Dow Global Technologies Llc
Publication of SG11201803782VA publication Critical patent/SG11201803782VA/en

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    • 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
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02Ethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006Controlling or regulating processes
    • B01J19/0013Controlling the temperature of the process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/1812Tubular reactors
    • 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
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene
    • 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
    • C08F2/01Processes of polymerisation characterised by special features of the polymerisation apparatus used
    • 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
    • C08F2/38Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00159Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00162Controlling or regulating processes controlling the pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761Details of the reactor
    • B01J2219/00763Baffles
    • 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
    • C08F2500/00Characteristics or properties of obtained polyolefins; Use thereof
    • C08F2500/08Low density, i.e. < 0.91 g/cm3
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property - Organization International Bureau (43) International Publication Date ..... ...sr ,„,„1 18 May 2017 (18.05.2017) WIPO I PCT (10) WO International Publication Number 111111111111311111111111111111111111111111111111111111111111111111111311111111111111111 2017/083559 Al (51) International Patent Classification: (74) Agent: TERRY, Jane M.; The Dow Chemical Company, C08F 2/01 (2006.01) CO8F 10/02 (2006.01) P.O. Box 1967, Midland, Michigan 48641-1967 (US). C08F 2/34 (2006.01) (81) Designated States (unless otherwise indicated, for every (21) International Application Number: kind of national protection available): AE, AG, AL, AM, PCT/US2016/061390 AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, (22) International Filing Date: DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, 10 November 2016 (10.11.2016) HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, (25) Filing Language: English KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (26) Publication Language: English OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (30) Priority Data: SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, 15382554.2 10 November 2015 (10.11.2015) EP TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicants: DOW GLOBAL TECHNOLOGIES LLC [US/US]; 2040 Dow Center, Midland, MI 48674 (US). (84) Designated States (unless otherwise indicated, for every DOW BRASIL SUDESTE INDUSTRIAL LTDA. kind of regional protection available): ARIPO (BW, GH, [BR/BR]; Av. das NacOes Unidas, 14.171, 4 Floor, Part, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, Diamond Tower, Santo Amaro, 04794-000 Sao Paulo/Sp TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (BR). TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, (72) Inventors: BERBEE, Otto J.; Postbus 48, 4530 AA LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, Terneuzen (NL). HOSMAN, Cornelis J. F.; Postbus 48, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, 4530 AA Terneuzen FLORES, Joaquin; Autovia (NL). GW, KM, ML, MR, NE, SN, TD, TG). Tarragona Salou, 43006 Tarragona GON- - s/n, (ES). Published: CALVES, Sergio E.; Av. Santos Dumont, 4444, Predio ADM, 11460-902 Guaruja (BR). MUNJAL, Sarat; 2301 — with international search report (Art 21(3)) N. Brazosport Blvd., Building B-2830, Freeport, TX 77541 (US). BISHOP, Michael E.; 1254 Enclave Parkway, Hou- TX 77077 RODRIGUEZ, Luiz; Av. Santos ston, (US). Dumont, 4444, Predio ADM, 11460-902 Guaruja (BR). 1-1 .4t Cr \ In in en of:, (54) Title: HIGH PRESSURE, FREE RADICAL POLYMERIZATIONS TO PRODUCE ETHYLENE-BASED POLYMERS 0 ---- (57) : A process to foiin an ethylene-based polymer, said process comprising at least the following: polymerizing a mixture L 3 / 4 -- comprising ethylene, in the presence of at least one free-radical initiator, and in a reactor configuration comprising at least three re - c action zones and at least two ethylene feed streams; and wherein the inlet pressure of the first reaction zone is less than, or equal to, ei 3200 Bar; and wherein the amount of ethylene, and optionally one or more comonomers, and optionally one or more CTAs, fed to 0 the first reaction zone is from 40 mole% to 80 mole%, based on the total moles of ethylene, and optionally one or more co - monomers, and optionally one or more CTAs, fed to the polymerization; and wherein the average polymerization temperature of the first 40 wt% polymer formed (APT 40 , m ) (based on the total amount of polymer foiined) is less than, or equal to, 200°C.
SG11201803782VA 2015-11-10 2016-11-10 High pressure, free radical polymerizations to produce ethylene-based polymers SG11201803782VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15382554.2A EP3168237A1 (en) 2015-11-10 2015-11-10 High pressure, free radical polymerizations to produce ethylene-based polymers
PCT/US2016/061390 WO2017083559A1 (en) 2015-11-10 2016-11-10 High pressure, free radical polymerizations to produce ethylene-based polymers

Publications (1)

Publication Number Publication Date
SG11201803782VA true SG11201803782VA (en) 2018-06-28

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SG11201803782VA SG11201803782VA (en) 2015-11-10 2016-11-10 High pressure, free radical polymerizations to produce ethylene-based polymers

Country Status (9)

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US (1) US10494457B2 (en)
EP (2) EP3168237A1 (en)
JP (1) JP6937298B2 (en)
KR (1) KR20180081084A (en)
CN (1) CN108473604B (en)
BR (1) BR112018009036B1 (en)
ES (1) ES2776631T3 (en)
SG (1) SG11201803782VA (en)
WO (1) WO2017083559A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3240810B1 (en) 2014-12-30 2019-12-11 Dow Global Technologies LLC Process to control output and quality of ethylene-based polymer formed by high pressure free radical polymerization
US10400046B2 (en) 2015-06-25 2019-09-03 Joseph J. Matsko Portable powered paint system
CN112321757A (en) * 2015-08-31 2021-02-05 埃克森美孚化学专利公司 Regulator control in high pressure polyethylene production
EP3168238A1 (en) 2015-11-10 2017-05-17 Dow Global Technologies LLC Ethylene-based polymers formed by high pressure free radical polymerizations
EP3168239A1 (en) 2015-11-10 2017-05-17 Dow Global Technologies LLC High pressure free radical polymerizations
EP3168237A1 (en) 2015-11-10 2017-05-17 Dow Global Technologies LLC High pressure, free radical polymerizations to produce ethylene-based polymers
WO2018218470A1 (en) 2017-05-29 2018-12-06 Dow Global Technologies Llc Thermoplastic polyolefin compositions useful for aldehyde abatement
US11111322B2 (en) 2017-07-28 2021-09-07 Dow Global Technologies Llc Low density ethylene-based polymers for low speed extrusion coating operations
EP3661973B1 (en) * 2017-07-31 2024-02-07 Dow Global Technologies LLC Process for forming ethylene-based polymers with distributions of terminal and internal unsaturations
KR102133030B1 (en) * 2017-12-18 2020-07-10 주식회사 엘지화학 Olefin polymer, method for preparing olefin polymer, and film using the same
CN112969720B (en) * 2018-11-08 2023-06-06 Sabic环球技术有限责任公司 Process for preparing ethylene homo-or copolymers in a tubular reactor
US11325999B2 (en) 2019-09-30 2022-05-10 Exxonmobil Chemical Patents Inc. High pressure polyethylene tubular reactor processes for improved wire coating product
KR20220041310A (en) * 2020-09-25 2022-04-01 에스케이이노베이션 주식회사 Washing methods for Ethylene-Acrylic acid copolymer manufacturing process using solvent
US20240059876A1 (en) 2021-02-19 2024-02-22 Dow Global Technologies Llc Modified low density polyethylene resins and method for making the same
WO2024002393A1 (en) * 2022-07-01 2024-01-04 中国石油化工股份有限公司 Olefin free radical polymerization method and olefin free radical polymerization apparatus
WO2024089081A1 (en) 2022-10-26 2024-05-02 International Technical Excellence Centers, Inc Process for producing ethylene copolymers at high pressure in a tubular reactor

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1370101A (en) 1971-10-11 1974-10-09 Exxon Research Engineering Co Production of polyethylene
JPS532585A (en) * 1976-06-29 1978-01-11 Sumitomo Chem Co Ltd Preparation of polyethylene
US4135044A (en) 1977-08-08 1979-01-16 Exxon Research & Engineering Co. Process for achieving high conversions in the production of polyethylene
EP0619827B1 (en) 1991-12-30 1996-06-12 The Dow Chemical Company Ethylene interpolymer polymerizations
US6545088B1 (en) 1991-12-30 2003-04-08 Dow Global Technologies Inc. Metallocene-catalyzed process for the manufacture of EP and EPDM polymers
US6448341B1 (en) 1993-01-29 2002-09-10 The Dow Chemical Company Ethylene interpolymer blend compositions
HU225374B1 (en) 1993-01-29 2006-10-28 Dow Global Technologies Inc Process for producing ethylene/alfa-olefin interpolymer composition
US5869575A (en) 1995-08-02 1999-02-09 The Dow Chemical Company Ethylene interpolymerizations
DE69826103T3 (en) * 1998-01-12 2012-07-12 Dow Global Technologies Inc. Medium density ethylene polymers, processes for making these polymers, and use of carbonyl-containing chain transfer agents in this process
DE50102850D1 (en) 2000-03-16 2004-08-19 Basell Polyolefine Gmbh METHOD FOR PRODUCING POLYETHYLENE
WO2002014379A1 (en) 2000-08-15 2002-02-21 Akzo Nobel N.V. Use of trioxepans in the process to make high-solid acrylic, styrenic, and ldpe-type resins
KR100419864B1 (en) * 2001-11-15 2004-03-04 한국화학연구원 New Cross-linker, and Cross-linkable Solid polymer Electrolytes using the same
US7745550B2 (en) 2001-12-19 2010-06-29 Exxonmobil Chemical Patents Inc. Tubular polymerization reactors and polymers made therein
CN1271102C (en) * 2003-06-12 2006-08-23 中国科学院化学研究所 Method for preparation of functional polyolefin block copolymer
MX2007011007A (en) 2005-03-09 2007-11-08 Saudi Basic Ind Corp A process for the preparation of an ethylene copolymer in a tubular reactor.
EP1919967A1 (en) 2005-08-05 2008-05-14 ExxonMobil Chemical Patents Inc. Process and apparatus for manufacturing ethylene polymers and copolymers
CN101238295B (en) 2005-08-05 2011-04-13 埃克森美孚化学专利公司 Compressor, production device and method for manufacturing PE
JP5034422B2 (en) 2005-11-28 2012-09-26 住友化学株式会社 Method for producing polyethylene
US7989573B2 (en) * 2005-12-16 2011-08-02 3M Innovative Properties Company Method of free radically polymerizing vinyl monomers
US7968661B2 (en) * 2005-12-28 2011-06-28 3M Innovative Properties Company Method of free radically polymerizing vinyl monomers
ES2575004T3 (en) 2008-10-07 2016-06-23 Dow Global Technologies Llc High pressure low density polyethylene resins with improved optical properties produced by the use of highly active chain transfer agents
BRPI0823372A2 (en) 2008-12-18 2015-06-16 Exxonmobil Chemical Patentes Inc High pressure polymerization process.
US8273835B2 (en) * 2009-01-16 2012-09-25 Basell Polyolefine Gmbh Method for ethylene polymerization in a tubular reactor with reduced output
WO2012044503A1 (en) 2010-09-30 2012-04-05 Dow Global Technologies Llc Ethylene-based interpolymers and processes to make the same
KR20140009164A (en) * 2010-09-30 2014-01-22 다우 글로벌 테크놀로지스 엘엘씨 Polymerization process to make low density polyethylene
CN103347907B (en) 2010-12-17 2016-10-26 陶氏环球技术有限责任公司 Polymer based on ethylene and preparation method thereof
BR112013022111B1 (en) 2011-03-03 2020-03-10 Basell Polyolefine Gmbh PROCESS TO PREPARE ETHYLENE HOMOPOLYMER OR COPOLYMER IN THE PRESENCE OF A FREE RADICAL POLYMERIZATION INITIATOR AND AT LEAST ONE CHAIN TRANSFER AGENT IN A TUBULAR REACTOR, HOMOPOLYMER OR ETHYLENE COPOLYMER REALLY PROCESSABLE FOR YOUR PROCESS, AS A PROCESS THAT IS REALLY PROCESSY
US9120880B2 (en) 2011-10-19 2015-09-01 Dow Global Technologies Llc Polymerization processes with fresh ethylene distributions for preparation of low density ethylene-based polymers
RU2014120411A (en) * 2011-10-21 2015-11-27 Новартис Аг S1P RECEPTOR MODULATOR OR RECEPTOR RECEPTION SCHEME
ES2742509T3 (en) 2011-11-23 2020-02-14 Dow Global Technologies Llc Low density ethylene-based polymers with broad molecular weight distributions and low extractables content
ES2587787T3 (en) * 2012-03-09 2016-10-26 Basf Se Continuous procedure for synthesis of graft polymers based on polyethers
US9828496B2 (en) 2013-05-22 2017-11-28 Dow Global Technologies Llc Low density ethylene-based polymer compositions with high melt strength and mid-high density control
JP6377141B2 (en) 2013-05-22 2018-08-22 ダウ グローバル テクノロジーズ エルエルシー Low density ethylene-based compositions with improved melt strength, yield, and mechanical properties
KR20200120756A (en) 2013-05-22 2020-10-21 다우 글로벌 테크놀로지스 엘엘씨 Compositions containing low density ethylene-based polymers with high melt strength and films formed from the same
WO2015166297A1 (en) 2014-04-30 2015-11-05 Exxonmobil Chemical Patents Inc. Process for manufacturing ethylene polymers and copolymers
EP3240810B1 (en) 2014-12-30 2019-12-11 Dow Global Technologies LLC Process to control output and quality of ethylene-based polymer formed by high pressure free radical polymerization
US10400046B2 (en) 2015-06-25 2019-09-03 Joseph J. Matsko Portable powered paint system
WO2017058570A1 (en) 2015-09-28 2017-04-06 Dow Global Technologies Llc Process for producing ethylene-based polymers with reduced gel counts and low reactor fouling
EP3168237A1 (en) 2015-11-10 2017-05-17 Dow Global Technologies LLC High pressure, free radical polymerizations to produce ethylene-based polymers
EP3168239A1 (en) 2015-11-10 2017-05-17 Dow Global Technologies LLC High pressure free radical polymerizations
EP3168238A1 (en) 2015-11-10 2017-05-17 Dow Global Technologies LLC Ethylene-based polymers formed by high pressure free radical polymerizations
KR102652841B1 (en) 2016-02-23 2024-04-01 다우 글로벌 테크놀로지스 엘엘씨 Ethylene-based polymer and method for producing the same
CN109153827B (en) 2016-05-18 2021-10-15 陶氏环球技术有限责任公司 Ethylene-based polymers and methods of making the same

Also Published As

Publication number Publication date
ES2776631T3 (en) 2020-07-31
CN108473604B (en) 2020-10-16
BR112018009036A8 (en) 2019-02-26
US20180305476A1 (en) 2018-10-25
BR112018009036A2 (en) 2018-10-30
JP6937298B2 (en) 2021-09-22
WO2017083559A1 (en) 2017-05-18
KR20180081084A (en) 2018-07-13
JP2018532861A (en) 2018-11-08
US10494457B2 (en) 2019-12-03
EP3374405B1 (en) 2020-02-12
BR112018009036B1 (en) 2022-01-04
EP3168237A1 (en) 2017-05-17
CN108473604A (en) 2018-08-31
EP3374405A1 (en) 2018-09-19

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