BR0315318A - Medição on-line e controle das propriedades de polìmero através de espectroscopia raman - Google Patents
Medição on-line e controle das propriedades de polìmero através de espectroscopia ramanInfo
- Publication number
- BR0315318A BR0315318A BR0315318-5A BR0315318A BR0315318A BR 0315318 A BR0315318 A BR 0315318A BR 0315318 A BR0315318 A BR 0315318A BR 0315318 A BR0315318 A BR 0315318A
- Authority
- BR
- Brazil
- Prior art keywords
- principal component
- polymer
- property
- polymer properties
- regression model
- Prior art date
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1809—Controlling processes
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00946—Features relating to the reactants or products
- B01J2208/00955—Sampling of the particulate material, the reactants or the products
- B01J2208/00973—Products
-
- 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
- B01J2219/00191—Control algorithm
- B01J2219/00193—Sensing a parameter
- B01J2219/00195—Sensing a parameter of the reaction system
- B01J2219/00202—Sensing a parameter of the reaction system at the reactor outlet
-
- 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
- B01J2219/00191—Control algorithm
- B01J2219/00211—Control algorithm comparing a sensed parameter with a pre-set value
- B01J2219/00218—Dynamically variable (in-line) parameter values
-
- 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
- B01J2219/00191—Control algorithm
- B01J2219/00222—Control algorithm taking actions
- B01J2219/00227—Control algorithm taking actions modifying the operating conditions
- B01J2219/00229—Control algorithm taking actions modifying the operating conditions of the reaction system
- B01J2219/00231—Control algorithm taking actions modifying the operating conditions of the reaction system at the reactor inlet
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- 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
- C08F2400/00—Characteristics for processes of polymerization
- C08F2400/02—Control or adjustment of polymerization parameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
- G01N2021/653—Coherent methods [CARS]
- G01N2021/656—Raman microprobe
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/129—Using chemometrical methods
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Polymerisation Methods In General (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
"MEDIçãO ON-LINE E CONTROLE DAS PROPRIEDADES DE POLìMERO ATRAVéS DE ESPECTROSCOPIA RAMAN". A presente invenção refere-se a métodos que são fornecidos para determinar e controlar as propriedades do polímero on-line em um sistema de reator de polimerização, como um reator de leito fluidizado. Os métodos incluem obter um modelo de regressão para determinar uma propriedade do polímero, o modelo de regressão incluindo cargas de componente principal e contagens de componente principal, adquirir um espectro Raman de uma amostra de poliolefina compreendendo poliolefina, calcular uma nova contagem de componente principal de pelo menos uma porção do espectro Raman e das cargas de componente principal e calcular a propriedade do polímero aplicando a nova contagem de componente principal ao modelo de regressão. A propriedade pode ser controlada ajustando pelo menos um parâmetro de polimerização com base na propriedade calculada do polímero.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2002/032767 WO2003042646A2 (en) | 2001-11-09 | 2002-10-15 | On-line measurement and control of polymer properties by raman spectroscopy |
PCT/US2003/014565 WO2005049663A2 (en) | 2002-10-15 | 2003-05-08 | On-line measurement and control of polymer properties by raman spectroscopy |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0315318A true BR0315318A (pt) | 2005-08-16 |
Family
ID=34618832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0315318-5A BR0315318A (pt) | 2002-10-15 | 2003-05-08 | Medição on-line e controle das propriedades de polìmero através de espectroscopia raman |
Country Status (10)
Country | Link |
---|---|
US (1) | US20060136149A1 (pt) |
EP (1) | EP1578814A2 (pt) |
JP (1) | JP2006517987A (pt) |
KR (1) | KR20060024318A (pt) |
CN (1) | CN100415779C (pt) |
AU (1) | AU2003304552A1 (pt) |
BR (1) | BR0315318A (pt) |
CA (1) | CA2501528A1 (pt) |
EA (1) | EA009717B1 (pt) |
WO (1) | WO2005049663A2 (pt) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100443868C (zh) | 2001-11-09 | 2008-12-17 | 埃克森美孚化学专利公司 | 利用拉曼光谱分析的聚合物性能的在线测量和控制 |
AU2003302739A1 (en) | 2003-01-06 | 2004-08-10 | Exxonmobil Chemical Patents Inc. | On-line measurement and control of polymer product properties by raman spectroscopy |
US7400941B2 (en) * | 2004-01-14 | 2008-07-15 | Chrevron Phillips Chemical Company Lp | Method and apparatus for monitoring polyolefin production |
RU2266523C1 (ru) * | 2004-07-27 | 2005-12-20 | Общество с ограниченной ответственностью ООО "ВИНТЕЛ" | Способ создания независимых многомерных градуировочных моделей |
US7505127B2 (en) * | 2005-07-22 | 2009-03-17 | Exxonmobil Chemical Patents Inc. | On-line raman analysis and control of a high pressure reaction system |
US7483129B2 (en) * | 2005-07-22 | 2009-01-27 | Exxonmobil Chemical Patents Inc. | On-line properties analysis of a molten polymer by raman spectroscopy for control of a mixing device |
WO2007018773A1 (en) | 2005-07-22 | 2007-02-15 | Exxonmobil Chemical Patents Inc. | On-line analysis of polymer properties for control of a solution phase reaction system |
RU2446175C2 (ru) | 2006-09-07 | 2012-03-27 | Юнивейшн Текнолоджиз, Ллк | Способы определения значения температуры, характеризующие липкость смолы, на основе данных мониторинга реакции полимеризации |
MX2009002495A (es) | 2006-09-07 | 2009-05-22 | Univation Tech Llc | Metodos para determinacion en linea del grado de pegajosidad de resina usando un modelo para la reduccion de la temperatura de inicio de fusion. |
WO2008076386A1 (en) * | 2006-12-18 | 2008-06-26 | Univation Technologies, Llc | Method for reducing and/or preventing production of excessively low density polymer product during polymerization transitions |
WO2008082503A2 (en) * | 2006-12-19 | 2008-07-10 | E. I. Du Pont De Nemours And Company | Semibatch copolymerization process for compositionally uniform copolymers |
US7786227B2 (en) * | 2007-08-07 | 2010-08-31 | Equistar Chemicals, Lp | Monomer concentration prediction and control in a polymerization process |
US8311955B2 (en) | 2007-10-30 | 2012-11-13 | Exxonmobil Research And Engineering Company | Bootstrap method for oil property prediction |
WO2010020320A1 (en) * | 2008-08-20 | 2010-02-25 | Haldor Topsøe A/S | Oscillating flow fluid bed |
EP2172490A1 (en) * | 2008-10-03 | 2010-04-07 | Ineos Europe Limited | Controlled polymerisation process |
ATE535554T1 (de) * | 2008-10-08 | 2011-12-15 | Borealis Ag | Verfahren zur herstellung von sehr steifem polyproylen |
JP5494351B2 (ja) * | 2010-08-24 | 2014-05-14 | ソニー株式会社 | 蛍光強度補正方法、蛍光強度算出方法及び蛍光強度算出装置並びに蛍光強度補正プログラム |
CN103119448A (zh) * | 2010-09-17 | 2013-05-22 | Abbvie公司 | 用于生物过程操作的拉曼光谱 |
KR101856719B1 (ko) * | 2010-12-21 | 2018-05-11 | 다우 글로벌 테크놀로지스 엘엘씨 | 올레핀-기재 중합체의 중합 방법 및 라만 분석 |
CN102759521B (zh) * | 2012-07-11 | 2014-11-05 | 浙江大学 | 一种丙烯共聚物的性能参数的在线检测系统及方法 |
US9718896B2 (en) | 2012-09-07 | 2017-08-01 | Univation Technologies, Llc | Controlling a polyolefin reaction |
CN104603615A (zh) | 2012-09-07 | 2015-05-06 | 尤尼威蒂恩技术有限责任公司 | 测定树脂的粘性温度的方法 |
US9297765B2 (en) | 2013-03-14 | 2016-03-29 | Sunedison, Inc. | Gas decomposition reactor feedback control using Raman spectrometry |
US8986618B2 (en) | 2013-06-28 | 2015-03-24 | Ineos Usa, Llc | System and method for rapid transitioning of polyolefin processes from one product to another |
CN104570724B (zh) * | 2013-10-10 | 2017-02-15 | 中国石油化工股份有限公司 | 一种以聚烯烃微观质量为目标的聚合工艺条件优化方法 |
US9389161B2 (en) | 2014-04-09 | 2016-07-12 | Exxonmobil Chemical Patents Inc. | On-line FT-NIR method to determine particle size and distribution |
CN104089941B (zh) * | 2014-06-11 | 2018-01-05 | 华南理工大学 | 一种聚合物熔体性质的拉曼光谱在线测量装置与方法 |
US9765164B2 (en) | 2014-06-27 | 2017-09-19 | Dow Global Technologies Llc | Polyolefin compositions and uses thereof |
WO2019191078A1 (en) * | 2018-03-28 | 2019-10-03 | Dow Global Technologies Llc | Method to monitor and control the polymerization of a polymer |
EP3774931B1 (en) * | 2018-03-28 | 2024-03-27 | Univation Technologies, LLC | Controlling a polymerization reaction |
US11377460B2 (en) | 2018-03-28 | 2022-07-05 | Univation Technologies, Llc | Methods for adjusting a polymer property |
WO2019226766A1 (en) * | 2018-05-22 | 2019-11-28 | Exxonmobil Chemical Patents Inc. | Methods for forming films and their related computing devices |
CN109001182B (zh) * | 2018-09-29 | 2022-01-04 | 西安电子科技大学 | 封闭容器中酒精含量的拉曼光谱无损测定方法 |
WO2020107030A1 (en) * | 2018-11-23 | 2020-05-28 | Nuburu, Inc | Multi-wavelength visible laser source |
KR20210091718A (ko) * | 2018-11-29 | 2021-07-22 | 바스프 에스이 | 초흡수성 중합체의 물리적 특성 예측 |
CN116606399B (zh) * | 2023-05-22 | 2024-09-06 | 浙江智英石化技术有限公司 | 一种丙烯腈-苯乙烯共聚反应的进料先进控制方法 |
CN117205590B (zh) * | 2023-11-09 | 2024-04-30 | 山东齐隆化工股份有限公司 | 一种石油树脂生产过程分离方法及系统 |
Family Cites Families (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3725378A (en) * | 1958-12-17 | 1973-04-03 | Monsanto Co | Polymerization of ethylene |
US4175169A (en) * | 1971-03-19 | 1979-11-20 | Exxon Research & Engineering Co. | Production of polyethylene |
US3779712A (en) * | 1971-11-26 | 1973-12-18 | Union Carbide Corp | Particulate solids injector apparatus |
US4243619A (en) * | 1978-03-31 | 1981-01-06 | Union Carbide Corporation | Process for making film from low density ethylene hydrocarbon copolymer |
US4182810A (en) * | 1978-04-21 | 1980-01-08 | Phillips Petroleum Company | Prevention of fouling in polymerization reactors |
JPS55142008A (en) * | 1979-04-23 | 1980-11-06 | Mitsui Petrochem Ind Ltd | Preparation of polyolefin |
US4621952A (en) * | 1981-07-28 | 1986-11-11 | Union Carbide Corporation | Fluidized bed discharge process |
US4588790A (en) * | 1982-03-24 | 1986-05-13 | Union Carbide Corporation | Method for fluidized bed polymerization |
US4543399A (en) * | 1982-03-24 | 1985-09-24 | Union Carbide Corporation | Fluidized bed reaction systems |
US4540753A (en) * | 1983-06-15 | 1985-09-10 | Exxon Research & Engineering Co. | Narrow MWD alpha-olefin copolymers |
US4620049A (en) * | 1984-10-31 | 1986-10-28 | Standard Oil Company (Indiana) | Method and apparatus for controlling polybutene production |
US4956426A (en) * | 1986-07-24 | 1990-09-11 | Union Carbide Chemicals And Plastics Company Inc. | Process for controlled polymerization of stereospecific alpha-olefins having preselected isotacticity |
US4927704A (en) * | 1987-08-24 | 1990-05-22 | General Electric Company | Abrasion-resistant plastic articles and method for making them |
US4888704A (en) * | 1987-12-18 | 1989-12-19 | Amoco Corporation | Advanced control strategies for melt flow rate and reactor concentration in the polypropylene slurry process |
US5112127A (en) * | 1989-11-28 | 1992-05-12 | Eic Laboratories, Inc. | Apparatus for measuring Raman spectra over optical fibers |
DE4003696C1 (pt) * | 1990-02-07 | 1990-12-13 | Petzetakis, George Aristovoulos, Piraeus, Gr | |
US5151474A (en) * | 1990-02-16 | 1992-09-29 | The Dow Chemical Company | Process control method for manufacturing polyolefin |
US5121337A (en) * | 1990-10-15 | 1992-06-09 | Exxon Research And Engineering Company | Method for correcting spectral data for data due to the spectral measurement process itself and estimating unknown property and/or composition data of a sample using such method |
GB9105078D0 (en) * | 1991-03-11 | 1991-04-24 | Exxon Chemical Patents Inc | Manufacturing process control and product characterization |
US5589555A (en) * | 1991-10-03 | 1996-12-31 | Novacor Chemicals (International) S.A. | Control of a solution process for polymerization of ethylene |
US5675253A (en) * | 1991-11-20 | 1997-10-07 | Auburn International, Inc. | Partial least square regression techniques in obtaining measurements of one or more polymer properties with an on-line nmr system |
US5270274A (en) * | 1991-11-28 | 1993-12-14 | Japan Synthetic Rubber Co., Ltd. | Catalyst composition for hydrogenating olefinically unsaturated polymers |
US5274056A (en) * | 1992-01-31 | 1993-12-28 | Phillips Petroleum Company | Linear, very low density polyethylene polymerization process and products thereof |
US5352749A (en) * | 1992-03-19 | 1994-10-04 | Exxon Chemical Patents, Inc. | Process for polymerizing monomers in fluidized beds |
US5436304A (en) * | 1992-03-19 | 1995-07-25 | Exxon Chemical Patents Inc. | Process for polymerizing monomers in fluidized beds |
FI924730A (fi) * | 1992-03-20 | 1993-09-21 | Rohm & Haas | Foerfarande foer reglering av molekylviktsfoerdelningen i polymerer |
US5462999A (en) * | 1993-04-26 | 1995-10-31 | Exxon Chemical Patents Inc. | Process for polymerizing monomers in fluidized beds |
JP3077940B2 (ja) * | 1993-04-26 | 2000-08-21 | エクソン・ケミカル・パテンツ・インク | 流動層重合法のための安定な操作条件を決定する方法 |
US5638172A (en) * | 1994-05-27 | 1997-06-10 | Eastman Chemical Company | On-line quantitative analysis of chemical compositions by raman spectrometry |
US5697373A (en) * | 1995-03-14 | 1997-12-16 | Board Of Regents, The University Of Texas System | Optical method and apparatus for the diagnosis of cervical precancers using raman and fluorescence spectroscopies |
US5696213A (en) * | 1995-04-21 | 1997-12-09 | Exxon Chemical Patents Inc. | Ethylene-α-olefin-diolefin elastomers solution polymerization process |
US5682309A (en) * | 1995-04-28 | 1997-10-28 | Exxon Chemical Patents Inc. | Feedback method for controlling non-linear processes |
US5657404A (en) * | 1995-05-25 | 1997-08-12 | Eastman Chemical Company | Robust spectroscopic optical probe |
BE1009406A3 (fr) * | 1995-06-09 | 1997-03-04 | Solvay | Methode de regulation de procedes de synthese de produits chimiques. |
US5751415A (en) * | 1996-05-13 | 1998-05-12 | Process Instruments, Inc. | Raman spectroscopy apparatus and method for continuous chemical analysis of fluid streams |
CN1105296C (zh) * | 1996-08-22 | 2003-04-09 | 伊斯曼化学公司 | 定量监测化学组合物的组份的方法 |
BR9612735A (pt) * | 1996-08-22 | 1999-08-24 | Eastman Chem Co | Processo para monitorar quantitativamente in situ pela espectrometria de raman um ou mais constituintes selecionados de uma composi-Æo qu¡mica |
US5892228A (en) * | 1996-09-30 | 1999-04-06 | Ashland Inc. | Process and apparatus for octane numbers and reid vapor pressure by Raman spectroscopy |
US6072576A (en) * | 1996-12-31 | 2000-06-06 | Exxon Chemical Patents Inc. | On-line control of a chemical process plant |
US6023065A (en) * | 1997-03-10 | 2000-02-08 | Alberta Research Council | Method and apparatus for monitoring and controlling characteristics of process effluents |
US6239235B1 (en) * | 1997-07-15 | 2001-05-29 | Phillips Petroleum Company | High solids slurry polymerization |
TW396168B (en) * | 1997-08-28 | 2000-07-01 | Toho Titanium K K | Solid catalyst component and catalyst for polymerization of olefins |
US5974866A (en) * | 1997-08-29 | 1999-11-02 | General Electric Company | On-line rheometer device |
US5999255A (en) * | 1997-10-09 | 1999-12-07 | Solutia Inc. | Method and apparatus for measuring Raman spectra and physical properties in-situ |
US5864403A (en) * | 1998-02-23 | 1999-01-26 | National Research Council Of Canada | Method and apparatus for measurement of absolute biaxial birefringence in monolayer and multilayer films, sheets and shapes |
US6281300B1 (en) * | 1998-03-20 | 2001-08-28 | Exxon Chemical Patents, Inc. | Continuous slurry polymerization volatile removal |
WO1999047251A1 (en) * | 1998-03-20 | 1999-09-23 | Exxon Chemical Patents Inc. | Continuous slurry polymerization volatile removal |
US6204664B1 (en) * | 1998-12-31 | 2001-03-20 | Phillips Petroleum Company | Chemometric technique for predicting styrene content in butadiene-styrene resin with an on-line NMR system |
US6218484B1 (en) * | 1999-01-29 | 2001-04-17 | Union Carbide Chemicals & Plastics Technology Corporation | Fluidized bed reactor and polymerization process |
US6479597B1 (en) * | 1999-07-30 | 2002-11-12 | Exxonmobil Chemical Patents Inc. | Raman analysis system for olefin polymerization control |
EP1214362A1 (en) * | 1999-07-30 | 2002-06-19 | ExxonMobil Chemical Patents Inc. | Raman analysis system for olefin polymerization control |
US6723804B1 (en) * | 2000-11-03 | 2004-04-20 | Chevron Phillips Chemical Company, Lp | Monitoring and control of slurry processes for polymerizing olefins |
CN1266170C (zh) * | 2001-10-17 | 2006-07-26 | 英国石油化学品有限公司 | 烯烃(共)聚合的控制方法 |
CN100443868C (zh) * | 2001-11-09 | 2008-12-17 | 埃克森美孚化学专利公司 | 利用拉曼光谱分析的聚合物性能的在线测量和控制 |
US6673878B2 (en) * | 2001-12-19 | 2004-01-06 | Exxonmobil Chemical Patents Inc. | Tubular polymerization reactors and polymers made therein |
AU2003302739A1 (en) * | 2003-01-06 | 2004-08-10 | Exxonmobil Chemical Patents Inc. | On-line measurement and control of polymer product properties by raman spectroscopy |
US7400941B2 (en) * | 2004-01-14 | 2008-07-15 | Chrevron Phillips Chemical Company Lp | Method and apparatus for monitoring polyolefin production |
-
2003
- 2003-05-08 EA EA200500611A patent/EA009717B1/ru not_active IP Right Cessation
- 2003-05-08 KR KR1020057006605A patent/KR20060024318A/ko not_active Application Discontinuation
- 2003-05-08 EP EP03818863A patent/EP1578814A2/en not_active Withdrawn
- 2003-05-08 JP JP2005510797A patent/JP2006517987A/ja not_active Withdrawn
- 2003-05-08 CN CNB03824280XA patent/CN100415779C/zh not_active Expired - Fee Related
- 2003-05-08 AU AU2003304552A patent/AU2003304552A1/en not_active Abandoned
- 2003-05-08 CA CA002501528A patent/CA2501528A1/en not_active Abandoned
- 2003-05-08 WO PCT/US2003/014565 patent/WO2005049663A2/en active Application Filing
- 2003-05-08 US US10/528,894 patent/US20060136149A1/en not_active Abandoned
- 2003-05-08 BR BR0315318-5A patent/BR0315318A/pt not_active IP Right Cessation
Also Published As
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AU2003304552A1 (en) | 2005-06-08 |
JP2006517987A (ja) | 2006-08-03 |
EA200500611A1 (ru) | 2006-06-30 |
CN1714106A (zh) | 2005-12-28 |
EA009717B1 (ru) | 2008-02-28 |
WO2005049663A3 (en) | 2005-07-28 |
EP1578814A2 (en) | 2005-09-28 |
KR20060024318A (ko) | 2006-03-16 |
WO2005049663A2 (en) | 2005-06-02 |
CN100415779C (zh) | 2008-09-03 |
CA2501528A1 (en) | 2004-04-15 |
US20060136149A1 (en) | 2006-06-22 |
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