AR125870A1 - Composiciones de polietileno de alta densidad, método para producirlas, dispositivos de cierre fabricados a partir de estas y método para fabricar dichos dispositivos de cierre - Google Patents
Composiciones de polietileno de alta densidad, método para producirlas, dispositivos de cierre fabricados a partir de estas y método para fabricar dichos dispositivos de cierreInfo
- Publication number
- AR125870A1 AR125870A1 ARP220101280A ARP220101280A AR125870A1 AR 125870 A1 AR125870 A1 AR 125870A1 AR P220101280 A ARP220101280 A AR P220101280A AR P220101280 A ARP220101280 A AR P220101280A AR 125870 A1 AR125870 A1 AR 125870A1
- Authority
- AR
- Argentina
- Prior art keywords
- closure devices
- molecular weight
- density polyethylene
- polyethylene compositions
- producing
- Prior art date
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/10—Applications used for bottles
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Las composiciones de polietileno bimodal de alta densidad pueden lograr un mejor equilibrio entre la resistencia al agrietamiento por tensión y la procesabilidad al seleccionar los componentes de mayor y menor peso molecular de manera que (1) el componente de menor peso molecular tenga una densidad complementaria relativamente alta, que es una propiedad calculada que se muestra por la fórmula a continuación, y (2) el componente de mayor peso molecular de la composición tiene una densidad moderadamente baja y una distribución de peso molecular estrecha. Esta combinación de propiedades proporciona un mejor equilibrio entre la resistencia al agrietamiento por tensión y la procesabilidad sin tener que modificar las propiedades del componente de mayor peso molecular. La densidad complementaria (CD) se calcula mediante la siguiente fórmula:
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202163190524P | 2021-05-19 | 2021-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR125870A1 true AR125870A1 (es) | 2023-08-23 |
Family
ID=82016485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP220101280A AR125870A1 (es) | 2021-05-19 | 2022-05-13 | Composiciones de polietileno de alta densidad, método para producirlas, dispositivos de cierre fabricados a partir de estas y método para fabricar dichos dispositivos de cierre |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP4341344A1 (es) |
AR (1) | AR125870A1 (es) |
BR (1) | BR112023022376A2 (es) |
CA (1) | CA3218982A1 (es) |
MX (1) | MX2023012866A (es) |
WO (1) | WO2022245643A1 (es) |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0778289B1 (en) | 1991-03-06 | 2000-04-12 | Mobil Oil Corporation | Bimodal ethylene polymers produced in tandem reactors |
EP0533452A1 (en) | 1991-03-21 | 1993-03-24 | Mobil Oil Corporation | Production of bimodal ethylene polymers in tandem reactors |
US7153909B2 (en) | 1994-11-17 | 2006-12-26 | Dow Global Technologies Inc. | High density ethylene homopolymers and blend compositions |
US6485662B1 (en) | 1996-12-03 | 2002-11-26 | Union Carbide Chemicals & Plastics Technology Corporation | Process for preparing a simulated in situ polyethylene blend |
US6242545B1 (en) | 1997-12-08 | 2001-06-05 | Univation Technologies | Polymerization catalyst systems comprising substituted hafinocenes |
US8497330B2 (en) | 1997-12-08 | 2013-07-30 | Univation Technologies, Llc | Methods for polymerization using spray dried and slurried catalyst |
US6175027B1 (en) | 1999-06-01 | 2001-01-16 | Boulder Scientific Company | Synthesis of bis (alkyl cyclopentadienyl) metallocenes |
US7396878B2 (en) | 2002-10-01 | 2008-07-08 | Exxonmobil Chemical Patents Inc. | Polyethylene compositions for injection molding |
TW200504093A (en) | 2003-05-12 | 2005-02-01 | Dow Global Technologies Inc | Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom |
BRPI0706040B1 (pt) | 2006-05-02 | 2018-03-06 | Dow Global Technologies Inc. | Encapamento de cabo de força ou comunicação, e método para produzir um encapamento de cabo de força ou comunicação |
KR20100014214A (ko) | 2007-05-02 | 2010-02-10 | 다우 글로벌 테크놀로지스 인크. | 고-밀도 폴리에틸렌 조성물, 그의 제조 방법, 그로부터 만들어진 사출 성형 물품, 및 이러한 물품의 제조 방법 |
CN101965368B (zh) | 2007-12-31 | 2014-08-27 | 陶氏环球技术有限责任公司 | 基于乙烯的聚合物组合物及其制备方法和由其制备的制品 |
BRPI1005286A2 (pt) | 2009-01-30 | 2016-07-05 | Dow Global Technologies Llc | composição de polietileno de alta densidade, método para produzir uma composição de polietileno de alta densidade, dispositivo de fechamento e método para produzir um dispositivo de fechamento |
CA2752407C (en) | 2011-09-19 | 2018-12-04 | Nova Chemicals Corporation | Polyethylene compositions and closures for bottles |
US9371442B2 (en) * | 2011-09-19 | 2016-06-21 | Nova Chemicals (International) S.A. | Polyethylene compositions and closures made from them |
MX2014003884A (es) * | 2011-09-30 | 2014-09-22 | Total Res & Technology Feluy | Polietileno de alta densidad para tapas y tapones. |
CA2798854C (en) | 2012-12-14 | 2020-02-18 | Nova Chemicals Corporation | Polyethylene compositions having high dimensional stability and excellent processability for caps and closures |
EP2992024B2 (en) | 2013-05-02 | 2023-12-20 | Dow Global Technologies LLC | A polyethylene composition and articles made therefrom |
-
2022
- 2022-05-13 WO PCT/US2022/029150 patent/WO2022245643A1/en active Application Filing
- 2022-05-13 MX MX2023012866A patent/MX2023012866A/es unknown
- 2022-05-13 CA CA3218982A patent/CA3218982A1/en active Pending
- 2022-05-13 AR ARP220101280A patent/AR125870A1/es unknown
- 2022-05-13 BR BR112023022376A patent/BR112023022376A2/pt unknown
- 2022-05-13 EP EP22729355.2A patent/EP4341344A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
MX2023012866A (es) | 2023-11-13 |
EP4341344A1 (en) | 2024-03-27 |
BR112023022376A2 (pt) | 2024-01-09 |
CA3218982A1 (en) | 2022-11-24 |
WO2022245643A1 (en) | 2022-11-24 |
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