JP2006500458A5 - - Google Patents
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- Publication number
- JP2006500458A5 JP2006500458A5 JP2004539815A JP2004539815A JP2006500458A5 JP 2006500458 A5 JP2006500458 A5 JP 2006500458A5 JP 2004539815 A JP2004539815 A JP 2004539815A JP 2004539815 A JP2004539815 A JP 2004539815A JP 2006500458 A5 JP2006500458 A5 JP 2006500458A5
- Authority
- JP
- Japan
- Prior art keywords
- polyolefin
- resin flow
- reaction temperature
- target
- temperature
- 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.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims 99
- 229920000098 polyolefin Polymers 0.000 claims 82
- 229920005989 resin Polymers 0.000 claims 76
- 239000011347 resin Substances 0.000 claims 76
- 239000007789 gas Substances 0.000 claims 44
- 238000000034 method Methods 0.000 claims 44
- 238000006116 polymerization reaction Methods 0.000 claims 33
- 239000000203 mixture Substances 0.000 claims 32
- 229920000642 polymer Polymers 0.000 claims 28
- 238000012544 monitoring process Methods 0.000 claims 9
- 239000004711 α-olefin Substances 0.000 claims 8
- 238000013459 approach Methods 0.000 claims 7
- 229920005672 polyolefin resin Polymers 0.000 claims 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 6
- 239000001257 hydrogen Substances 0.000 claims 6
- 229910052739 hydrogen Inorganic materials 0.000 claims 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 4
- 239000003054 catalyst Substances 0.000 claims 4
- 239000001301 oxygen Substances 0.000 claims 4
- 229910052760 oxygen Inorganic materials 0.000 claims 4
- 239000002952 polymeric resin Substances 0.000 claims 3
- 229920003002 synthetic resin Polymers 0.000 claims 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 2
- 229910052804 chromium Inorganic materials 0.000 claims 2
- 239000011651 chromium Substances 0.000 claims 2
- 229910052719 titanium Inorganic materials 0.000 claims 2
- 239000010936 titanium Substances 0.000 claims 2
- 230000007704 transition Effects 0.000 claims 2
- 239000003426 co-catalyst Substances 0.000 claims 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 claims 1
- 238000012685 gas phase polymerization Methods 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 238000010517 secondary reaction Methods 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/259,094 US6846884B2 (en) | 2002-09-27 | 2002-09-27 | Control of resin properties |
| PCT/US2003/023596 WO2004029108A1 (en) | 2002-09-27 | 2003-07-28 | Improved control of resin properties |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006500458A JP2006500458A (ja) | 2006-01-05 |
| JP2006500458A5 true JP2006500458A5 (https=) | 2006-09-07 |
Family
ID=32029427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004539815A Pending JP2006500458A (ja) | 2002-09-27 | 2003-07-28 | 樹脂特性の制御の向上 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6846884B2 (https=) |
| EP (1) | EP1546220A1 (https=) |
| JP (1) | JP2006500458A (https=) |
| CN (1) | CN1314715C (https=) |
| BR (1) | BR0314484B1 (https=) |
| CA (1) | CA2499233A1 (https=) |
| WO (1) | WO2004029108A1 (https=) |
| ZA (1) | ZA200502327B (https=) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7125933B2 (en) * | 2000-06-22 | 2006-10-24 | Univation Technologies, Llc | Very low density polyethylene blends |
| WO2005100417A1 (en) * | 2004-04-13 | 2005-10-27 | Union Carbide Chemicals & Plastics Technology Corporation | Use of instantaneous split to improve reactor control |
| US7683140B2 (en) * | 2004-05-20 | 2010-03-23 | Univation Technologies, Llc | Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring |
| US7754830B2 (en) * | 2004-05-20 | 2010-07-13 | Univation Technologies, Llc | Polymerization reaction monitoring with determination of induced condensing agent concentration for preventing discontinuity events |
| EP1805229A1 (en) | 2004-10-28 | 2007-07-11 | Dow Gloval Technologies Inc. | Method of controlling a polymerization reactor |
| US7323523B2 (en) * | 2004-12-07 | 2008-01-29 | Nova Chemicals (International) S.A. | Adjusting polymer characteristics through process control |
| US7321015B2 (en) * | 2004-12-07 | 2008-01-22 | Nova Chemicals (International) S.A. | Adjusting polymer characteristics through process control |
| US7343225B2 (en) * | 2005-06-03 | 2008-03-11 | Univation Technologies, Llc | Method for reducing off-grade product production during reaction transitions |
| EP1840140A1 (en) * | 2006-03-30 | 2007-10-03 | Total Petrochemicals Research Feluy | Method for making a transition between polymer grades |
| US8273834B2 (en) * | 2006-09-07 | 2012-09-25 | Univation Technologies, Llc | Methods for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring |
| 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. |
| US8071699B2 (en) * | 2006-09-21 | 2011-12-06 | Union Carbide Chemicals & Plastics Technology Llc | Methods of controlling properties in multimodal systems |
| EP2091895B1 (en) * | 2006-12-18 | 2012-08-29 | Univation Technologies, LLC | Method for reducing and/or preventing production of excessively low density polymer product during polymerization transitions |
| US8637615B2 (en) | 2009-12-18 | 2014-01-28 | Univation Technologies, Llc | Methods for making polyolefin products having different shear thinning properties and haze |
| MX2015003054A (es) | 2012-09-07 | 2016-04-28 | Univation Tech Llc | Controlar una reaccion de poliolefina. |
| CN108106968B (zh) | 2012-09-07 | 2020-09-25 | 尤尼威蒂恩技术有限责任公司 | 控制聚合反应器的系统 |
| 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 |
| EP2995635A1 (en) * | 2014-09-11 | 2016-03-16 | Sulzer Chemtech AG | Method to minimize the transition time from one polymer grade to another polymer grade in a polymerization plant |
| EP3545010B1 (en) * | 2016-11-28 | 2021-03-31 | Univation Technologies, LLC | Producing a polyethylene polymer |
| CN107098991B (zh) * | 2017-04-11 | 2019-04-16 | 浙江大学 | 一种烯烃聚合方法及装置 |
| SG11202107152SA (en) * | 2019-01-31 | 2021-07-29 | Dow Global Technologies Llc | Process control |
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| US4340563A (en) * | 1980-05-05 | 1982-07-20 | Kimberly-Clark Corporation | Method for forming nonwoven webs |
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| US4937299A (en) * | 1983-06-06 | 1990-06-26 | Exxon Research & Engineering Company | Process and catalyst for producing reactor blend polyolefins |
| US4547475A (en) * | 1984-09-07 | 1985-10-15 | The Dow Chemical Company | Magnesium halide catalyst support and transition metal catalyst prepared thereon |
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| US4612300A (en) * | 1985-06-06 | 1986-09-16 | The Dow Chemical Company | Novel catalyst for producing relatively narrow molecular weight distribution olefin polymers |
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| FR2646426B2 (fr) * | 1988-09-13 | 1991-08-16 | Bp Chemicals Sa | Procede et appareillage de polymerisation d'alpha-olefine en phase gazeuse en presence d'un agent ralentisseur d'activite |
| US5115068A (en) * | 1988-09-26 | 1992-05-19 | Phillips Petroleum Company | High strength linear, low density ethylene copolymer |
| US5244987A (en) * | 1988-12-22 | 1993-09-14 | Bf Chemicals Limited | Process for alpha-olefin gas-phase polymerization controlled by the simultaneous addition of an activator and an activity retarder to the polymerization medium |
| US5218071A (en) * | 1988-12-26 | 1993-06-08 | Mitsui Petrochemical Industries, Ltd. | Ethylene random copolymers |
| NZ235032A (en) * | 1989-08-31 | 1993-04-28 | Dow Chemical Co | Constrained geometry complexes of titanium, zirconium or hafnium comprising a substituted cyclopentadiene ligand; use as olefin polymerisation catalyst component |
| US5064802A (en) * | 1989-09-14 | 1991-11-12 | The Dow Chemical Company | Metal complex compounds |
| US6188178B1 (en) * | 1990-05-24 | 2001-02-13 | U.S. Philips Corporation | Flat-panel picture display device with spacer means adjacent the display screen |
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| US5189192A (en) * | 1991-01-16 | 1993-02-23 | The Dow Chemical Company | Process for preparing addition polymerization catalysts via metal center oxidation |
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| CN1143908C (zh) * | 1998-03-11 | 2004-03-31 | 陶氏化学公司 | 由α-烯烃/乙烯基或亚乙烯基芳族单体和/或位阻环脂族或脂族乙烯基或亚乙烯基共聚体制成的纤维 |
| BR9803848A (pt) | 1998-10-08 | 2000-10-31 | Opp Petroquimica S A | Sistema para inferência em linha de propriedades fìsicas e quìmicas, sistema para inferência em linha de variáveis de processo, e, sistema de controle em linha |
| US6300429B1 (en) * | 1998-12-31 | 2001-10-09 | Union Carbide Chemicals & Plastics Technology Corporation | Method of modifying near-wall temperature in a gas phase polymerization reactor |
| US6384157B1 (en) * | 2000-05-16 | 2002-05-07 | Union Carbide Chemicals & Plastics Technology Corporation | Method of detecting and correcting local defluidization and channeling in fluidized-bed reactors for polymerization |
| US6365681B1 (en) * | 2001-01-16 | 2002-04-02 | Union Carbide Chemicals & Plastics Technology Corporation | Preventing upsets in polymerization reactors |
-
2002
- 2002-09-27 US US10/259,094 patent/US6846884B2/en not_active Expired - Lifetime
-
2003
- 2003-07-28 BR BRPI0314484-4B1A patent/BR0314484B1/pt active IP Right Grant
- 2003-07-28 WO PCT/US2003/023596 patent/WO2004029108A1/en not_active Ceased
- 2003-07-28 CA CA002499233A patent/CA2499233A1/en not_active Abandoned
- 2003-07-28 EP EP03798679A patent/EP1546220A1/en not_active Withdrawn
- 2003-07-28 CN CNB038231891A patent/CN1314715C/zh not_active Expired - Lifetime
- 2003-07-28 JP JP2004539815A patent/JP2006500458A/ja active Pending
-
2005
- 2005-03-18 ZA ZA200502327A patent/ZA200502327B/en unknown
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