BR9907206A - Polìmeros de etileno de média densidade, processo para preparar estes polìmeros e uso de agentes de transferência de cadeia contendo grupo carbonila neste processo - Google Patents
Polìmeros de etileno de média densidade, processo para preparar estes polìmeros e uso de agentes de transferência de cadeia contendo grupo carbonila neste processoInfo
- Publication number
- BR9907206A BR9907206A BR9907206-8A BR9907206A BR9907206A BR 9907206 A BR9907206 A BR 9907206A BR 9907206 A BR9907206 A BR 9907206A BR 9907206 A BR9907206 A BR 9907206A
- Authority
- BR
- Brazil
- Prior art keywords
- polymers
- carbonyl group
- containing carbonyl
- chain transfer
- transfer agents
- Prior art date
Links
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 4
- 239000003795 chemical substances by application Substances 0.000 title abstract 3
- 229920000573 polyethylene Polymers 0.000 title abstract 3
- 229920000642 polymer Polymers 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 2
- 239000005977 Ethylene Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 229920001577 copolymer Polymers 0.000 abstract 2
- 229920001519 homopolymer Polymers 0.000 abstract 2
- 150000003254 radicals Chemical class 0.000 abstract 2
- 229920001038 ethylene copolymer Polymers 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 238000010094 polymer processing Methods 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
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)
- Polymerisation Methods In General (AREA)
- Polymerization Catalysts (AREA)
Abstract
"POLìMEROS DE ETILENO DE MéDIA DENSIDADE, PROCESSO PARA PREPARAR ESTES POLìMEROS E USO DE AGENTES DE TRANSFERêNCIA DE CADEIA CONTENDO GRUPO CARBONILA NESTE PROCESSO". A presente invenção relaciona-se a um homo ou copolímero de etileno tendo uma densidade entre 0,923 e 0,935 g/cm³, tendo uma distribuição de peso molecular M~ w~/M~ n~ entre 3 e 10, e compreendendo de 0,10 a 0,50 por cento em peso de unidades derivadas de um composto contendo grupo carbonila, baseado no peso total do homo ou copolímero. Em adição, a invenção relaciona-se a um processo de polimerização de iniciação de radical livre para a preparação de polímeros ou copolímeros de etileno de média densidade, compreendendo reagir etileno e opcionalmente um ou mais comonómeros em uma alta pressão, convenientemente entre 1600 e 4000 kg/cm², e a temperaturas de cerca de 150-330°C em um sistema de reator consistindo de pelo menos um reator de autoclave ou de uma combinação de reatores de autoclave e tubular, na presença de iniciadores de radical livre e um composto contendo grupo carbonila. Finalmente, a invenção relaciona-se a agentes de transferência de cadeia contendo grupo carbonila para obter propriedades de processamento e desempenho de polímero melhoradas em processos e aplicações de extrusão de matriz plana.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98200054A EP0928797B3 (en) | 1998-01-12 | 1998-01-12 | Medium density ethylene polymers, a process to prepare these polymers and use of carbonyl group containing chain transfer agents in this process |
| PCT/US1999/000576 WO1999035175A1 (en) | 1998-01-12 | 1999-01-11 | Medium density ethylene polymers, a process to prepare these polymers and use of carbonyl group containing chain transfer agents in this process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR9907206A true BR9907206A (pt) | 2001-01-30 |
| BR9907206B1 BR9907206B1 (pt) | 2008-11-18 |
Family
ID=8233289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI9907206-8A BR9907206B1 (pt) | 1998-01-12 | 1999-01-11 | homo ou copolÍmero de etileno, processo de polimerizaÇço com iniciaÇço por radical livre, uso de um agente de transferÊncia contendo grupo cetona ou aldeÍdo e polÍmeros. |
Country Status (13)
| Country | Link |
|---|---|
| EP (2) | EP0928797B3 (pt) |
| JP (1) | JP2002500250A (pt) |
| CN (1) | CN1136240C (pt) |
| AR (1) | AR014294A1 (pt) |
| AT (1) | ATE275590T1 (pt) |
| AU (1) | AU2315599A (pt) |
| BR (1) | BR9907206B1 (pt) |
| CA (1) | CA2316880C (pt) |
| DE (1) | DE69826103T3 (pt) |
| HU (1) | HU223101B1 (pt) |
| NO (1) | NO20003560L (pt) |
| PL (1) | PL199967B1 (pt) |
| WO (1) | WO1999035175A1 (pt) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10064752A1 (de) | 2000-12-22 | 2002-07-04 | Basell Polyolefine Gmbh | Geruchlose Polyethylenhomo- und copolymere mit guten mechanischen Eigenschaften |
| DE10102937A1 (de) | 2001-01-23 | 2002-07-25 | Basf Ag | Verfahren zur Herstellung von Ethylenpolymerisaten im Hochdruckverfahren |
| DE602004004222T2 (de) | 2003-08-11 | 2007-11-15 | Exxonmobil Chemical Patents Inc., Baytown | Polymere, bestehend aus Ethylen und gegebenenfalls copolimerisierbaren Estern,Filme aus diesen Polymeren und diese Filme verwendendes Strechfolienhaubenverpackungsverfahren |
| MX2007005190A (es) † | 2004-11-02 | 2007-11-08 | Dow Global Technologies Inc | Proceso para la produccion de composiciones de polietileno de baja densidad y polimeros producidos a partir de las mismas. |
| SG160354A1 (en) * | 2005-03-04 | 2010-04-29 | Dow Global Technologies Inc | An improved low density ethylenic polymer composition and method of making the same |
| US20100105847A1 (en) * | 2006-01-24 | 2010-04-29 | Intertape Polymer Corp. | Plug flow bulk polymerization of vinyl monomers |
| ES2354383T5 (es) | 2007-08-10 | 2021-06-21 | Borealis Tech Oy | Artículo que comprende una composición de polipropileno |
| EP2067799A1 (en) | 2007-12-05 | 2009-06-10 | Borealis Technology OY | Polymer |
| BRPI0915561B1 (pt) | 2008-07-10 | 2019-04-24 | Borealis Ag | Processo para a produção de um polímero e polímero para aplicações em cabos e arames |
| US8866016B2 (en) | 2008-07-10 | 2014-10-21 | Borealis Ag | Crosslinkable polymer composition |
| US9243087B2 (en) | 2009-06-11 | 2016-01-26 | Dow Global Technologies Llc | LDPE enabling high output and good optics when blended with other polymers |
| US8629214B2 (en) | 2009-07-01 | 2014-01-14 | Dow Global Technologies Llc. | Ethylene-based polymer compositions for use as a blend component in shrinkage film applications |
| CA2768705C (en) | 2009-08-10 | 2017-06-20 | Dow Global Technologies Llc | Ldpe for use as a blend component in shrinkage film applications |
| PL2239283T3 (pl) * | 2009-11-10 | 2012-07-31 | Basell Polyolefine Gmbh | Wysokociśnieniowy LDPE (polietylen niskiej gęstości) do zastosowań medycznych |
| PL2354184T3 (pl) | 2010-01-29 | 2013-01-31 | Borealis Ag | Tłoczywo polietylenowe o ulepszonym stosunku odporność na pękanie /sztywność i ulepszone udarności |
| EP2354183B1 (en) | 2010-01-29 | 2012-08-22 | Borealis AG | Moulding composition |
| BR112013007510B1 (pt) * | 2010-09-30 | 2020-10-20 | Dow Global Technologies Llc | processo de polimerização em alta pressão para formar um polímero a base de etileno, polímero a base de etileno, composição e artigo |
| BR112013022111B1 (pt) * | 2011-03-03 | 2020-03-10 | Basell Polyolefine Gmbh | Processo para preparar homopolímero ou copolímero de etileno na presença de iniciador de polimerização de radical livre e pelo menos um agente de transferência de cadeia em reator tubular, homopolímero ou copolímero de etileno obtenível por tal processo, seu uso e processo para revestimento por extrusão de substrato |
| US9228036B2 (en) | 2011-11-23 | 2016-01-05 | Dow Global Technologies Llc | Low density ethylene-based polymers with broad molecular weight distributions and low extractables |
| US9334348B2 (en) | 2011-11-23 | 2016-05-10 | Dow Global Technologies Llc | Low density ethylene-based polymers with extracts at lower molecular weights |
| IN2014CN04648A (pt) * | 2011-12-22 | 2015-09-18 | Dow Global Technologies Llc | |
| EP3053976A1 (en) | 2015-02-09 | 2016-08-10 | Borealis AG | Adhesive composition |
| KR102577959B1 (ko) * | 2015-06-25 | 2023-09-14 | 다우 글로벌 테크놀로지스 엘엘씨 | 낮은 헥산 추출물을 갖는 에틸렌계 폴리머 |
| EP3168237A1 (en) * | 2015-11-10 | 2017-05-17 | Dow Global Technologies LLC | High pressure, free radical polymerizations to produce ethylene-based polymers |
| AR119432A1 (es) | 2019-07-31 | 2021-12-15 | Dow Global Technologies Llc | Supresión de estrechamiento para polímeros tubulares a base de ldpe para recubrimiento por extrusión a velocidad de línea media y alta |
| AR119443A1 (es) * | 2019-07-31 | 2021-12-15 | Dow Global Technologies Llc | Polietileno de baja densidad con papel adhesivo de aluminio mejorado mediante la mezcla de resinas de copolímero ácido |
| AR119441A1 (es) | 2019-07-31 | 2021-12-15 | Dow Global Technologies Llc | Polietileno de baja densidad con resistencia de adhesión en caliente y adhesión al metal mejoradas mediante la adición de ionómeros |
| JP2022156612A (ja) * | 2021-03-31 | 2022-10-14 | 住友化学株式会社 | ポリエチレンの製造方法 |
| CN115947898A (zh) * | 2021-10-09 | 2023-04-11 | 中国石油天然气股份有限公司 | 一种涂敷级低密度聚乙烯及其制备方法和应用 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE607527A (pt) | 1960-08-29 | 1900-01-01 | ||
| US3129212A (en) | 1960-12-30 | 1964-04-14 | Monsanto Chemicals | Polymerization of ethylene in the presence of a free radical initiator, a chemical modifier, and methane as a physical modifier |
| BE636721A (pt) | 1962-08-29 | |||
| US3293233A (en) | 1963-04-09 | 1966-12-20 | Rexall Drug Chemical | Process for polymerizing ethylene at high pressures in the presence of a mixture of peroxides having different half lives |
| US3917577A (en) | 1968-09-20 | 1975-11-04 | Basf Ag | Continuous production of ethylene homopolymers |
| DE1908964C3 (de) | 1969-02-22 | 1980-04-30 | Basf Ag, 6700 Ludwigshafen | Verfahren zum kontinuierlichen Herstellen von Äthylenhomopolymerisaten |
| US3691145A (en) | 1970-08-06 | 1972-09-12 | Basf Ag | Production of polyethylene by the high pressure process using a mixture of tertiary butyl hydroperoxide and oxygen as the initiator |
| DD108546A1 (pt) | 1973-02-05 | 1974-09-20 | ||
| JPS50127987A (pt) | 1974-03-29 | 1975-10-08 | ||
| US3963690A (en) | 1974-10-07 | 1976-06-15 | The Dow Chemical Company | Polymerization of ethylene in stirred autoclave with cooled inner wall |
| DE2557653A1 (de) | 1975-12-20 | 1977-06-30 | Basf Ag | Verfahren zur herstellung von aethylenpolymerisaten in einem zweizonen-rohrreaktor bei druecken oberhalb 500 bar |
| JPS532585A (en) | 1976-06-29 | 1978-01-11 | Sumitomo Chem Co Ltd | Preparation of polyethylene |
| JPS5322582A (en) | 1976-08-13 | 1978-03-02 | Sumitomo Chem Co Ltd | Production of polyethylene |
| US4382132A (en) * | 1981-06-01 | 1983-05-03 | El Paso Polyolefins Company | High pressure polyethylene process |
| GB8401567D0 (en) * | 1984-01-20 | 1984-02-22 | Exxon Research Engineering Co | Polyethylene wax |
| US4988781A (en) | 1989-02-27 | 1991-01-29 | The Dow Chemical Company | Process for producing homogeneous modified copolymers of ethylene/alpha-olefin carboxylic acids or esters |
| US5955556A (en) * | 1995-11-06 | 1999-09-21 | Alliedsignal Inc. | Method of manufacturing fluoropolymers |
-
1998
- 1998-01-12 EP EP98200054A patent/EP0928797B3/en not_active Expired - Lifetime
- 1998-01-12 DE DE69826103T patent/DE69826103T3/de not_active Expired - Lifetime
- 1998-01-12 AT AT98200054T patent/ATE275590T1/de not_active IP Right Cessation
-
1999
- 1999-01-11 WO PCT/US1999/000576 patent/WO1999035175A1/en not_active Ceased
- 1999-01-11 CN CNB998021253A patent/CN1136240C/zh not_active Expired - Lifetime
- 1999-01-11 EP EP99903039A patent/EP1047718A1/en not_active Withdrawn
- 1999-01-11 JP JP2000527570A patent/JP2002500250A/ja active Pending
- 1999-01-11 HU HU0101073A patent/HU223101B1/hu not_active IP Right Cessation
- 1999-01-11 CA CA002316880A patent/CA2316880C/en not_active Expired - Lifetime
- 1999-01-11 BR BRPI9907206-8A patent/BR9907206B1/pt not_active IP Right Cessation
- 1999-01-11 AU AU23155/99A patent/AU2315599A/en not_active Abandoned
- 1999-01-11 PL PL341706A patent/PL199967B1/pl not_active IP Right Cessation
- 1999-01-12 AR ARP990100098A patent/AR014294A1/es active IP Right Grant
-
2000
- 2000-07-11 NO NO20003560A patent/NO20003560L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0928797A1 (en) | 1999-07-14 |
| NO20003560D0 (no) | 2000-07-11 |
| CA2316880C (en) | 2008-11-18 |
| HUP0101073A2 (hu) | 2001-07-30 |
| NO20003560L (no) | 2000-09-05 |
| PL199967B1 (pl) | 2008-11-28 |
| CN1136240C (zh) | 2004-01-28 |
| EP0928797B3 (en) | 2012-01-11 |
| JP2002500250A (ja) | 2002-01-08 |
| DE69826103T3 (de) | 2012-07-12 |
| BR9907206B1 (pt) | 2008-11-18 |
| AR014294A1 (es) | 2001-02-07 |
| ATE275590T1 (de) | 2004-09-15 |
| EP0928797B1 (en) | 2004-09-08 |
| HU223101B1 (hu) | 2004-03-29 |
| HUP0101073A3 (en) | 2002-06-28 |
| AU2315599A (en) | 1999-07-26 |
| DE69826103D1 (de) | 2004-10-14 |
| PL341706A1 (en) | 2001-04-23 |
| CA2316880A1 (en) | 1999-07-15 |
| CN1288474A (zh) | 2001-03-21 |
| EP1047718A1 (en) | 2000-11-02 |
| WO1999035175A1 (en) | 1999-07-15 |
| DE69826103T2 (de) | 2005-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B25A | Requested transfer of rights approved |
Free format text: DOW GLOBAL TECHNOLOGIES INC (US) |
|
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/01/1999, OBSERVADAS AS CONDICOES LEGAIS. |
|
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 11.01.2019 |