MX389279B - Composición de polietileno para películas. - Google Patents
Composición de polietileno para películas.Info
- Publication number
- MX389279B MX389279B MX2017016246A MX2017016246A MX389279B MX 389279 B MX389279 B MX 389279B MX 2017016246 A MX2017016246 A MX 2017016246A MX 2017016246 A MX2017016246 A MX 2017016246A MX 389279 B MX389279 B MX 389279B
- Authority
- MX
- Mexico
- Prior art keywords
- polyethylene composition
- films
- sup
- mif
- index
- Prior art date
Links
Classifications
-
- 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—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/001—Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
-
- 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
- C08F210/14—Monomers containing five or more carbon atoms
-
- 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
- C08F4/647—Catalysts containing a specific non-metal or metal-free compound
- C08F4/649—Catalysts containing a specific non-metal or metal-free compound organic
- C08F4/6491—Catalysts containing a specific non-metal or metal-free compound organic hydrocarbon
- C08F4/6492—Catalysts containing a specific non-metal or metal-free compound organic hydrocarbon containing aliphatic unsaturation
-
- 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
- C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
- C08F4/652—Pretreating with metals or metal-containing compounds
- C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
- C08F4/6543—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof halides of magnesium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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 four or more carbon atoms
- C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/72—Density
-
- 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
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/12—Melt flow index or melt flow ratio
-
- 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
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/17—Viscosity
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/02—Ziegler natta catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Una composición de polietileno particularmente adecuada para producir tuberías que tiene las siguientes características: 1) densidad de 0,945 a 0,958 g/cm3, determina de conformidad con ISO 1183 a 23°C; 2) relación de MIF/MIP de 20 a 43; 3) MIF de 4,0 a menos de 8,5 g/10 min.; 4) índice de copoAPM de 3,5 a 20; 5) índice de ramificación de cadena larga, LCBI, a menor o igual a 0,82.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562185238P | 2015-06-26 | 2015-06-26 | |
| PCT/EP2016/062746 WO2016206957A1 (en) | 2015-06-26 | 2016-06-06 | Polyethylene composition for films |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2017016246A MX2017016246A (es) | 2018-04-20 |
| MX389279B true MX389279B (es) | 2025-03-20 |
Family
ID=56131509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2017016246A MX389279B (es) | 2015-06-26 | 2016-06-06 | Composición de polietileno para películas. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US10619035B2 (es) |
| EP (1) | EP3313930B1 (es) |
| JP (1) | JP6554563B2 (es) |
| KR (1) | KR101897942B1 (es) |
| CN (1) | CN107849318B (es) |
| BR (1) | BR112017028028B1 (es) |
| CA (1) | CA2990500C (es) |
| ES (1) | ES2724406T3 (es) |
| MX (1) | MX389279B (es) |
| RU (1) | RU2653854C1 (es) |
| WO (1) | WO2016206957A1 (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2751343C1 (ru) * | 2017-12-18 | 2021-07-13 | Базелл Полиолефин Гмбх | Полиэтиленовая композиция, обладающая стойкостью к растрескиванию под воздействием окружающей среды |
| WO2019219633A1 (en) * | 2018-05-14 | 2019-11-21 | Basell Polyolefine Gmbh | Polyethylene composition having high swell ratio, fnct and impact resistance |
| RU2767655C1 (ru) * | 2018-09-20 | 2022-03-18 | Базелл Полиолефин Гмбх | Полиэтиленовая композиция для производства пленок, получаемых экструзией с раздувкой |
| ES3042222T3 (en) * | 2019-04-09 | 2025-11-19 | Borealis Gmbh | Collation shrink film |
| JP2025525806A (ja) | 2022-08-04 | 2025-08-07 | イクイスター・ケミカルズ・エルピー | ポリエチレンリサイクル材ブレンド生成物 |
| US20250243351A1 (en) | 2024-01-29 | 2025-07-31 | Equistar Chemicals, Lp | Polyethylene recyclate blend products |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE363977B (es) | 1968-11-21 | 1974-02-11 | Montedison Spa | |
| YU35844B (en) | 1968-11-25 | 1981-08-31 | Montedison Spa | Process for obtaining catalysts for the polymerization of olefines |
| IT1096661B (it) | 1978-06-13 | 1985-08-26 | Montedison Spa | Procedimento per la preparazione di prodotti in forma sferoidale solidi a temperatura ambiente |
| IT1098272B (it) | 1978-08-22 | 1985-09-07 | Montedison Spa | Componenti,di catalizzatori e catalizzatori per la polimerizzazione delle alfa-olefine |
| FI80055C (fi) | 1986-06-09 | 1990-04-10 | Neste Oy | Foerfarande foer framstaellning av katalytkomponenter foer polymerisation av olefiner. |
| IT1230134B (it) | 1989-04-28 | 1991-10-14 | Himont Inc | Componenti e catalizzatori per la polimerizzazione di olefine. |
| JP2879347B2 (ja) | 1989-10-02 | 1999-04-05 | チッソ株式会社 | オレフィン重合用触媒の製法 |
| DE69526664T2 (de) * | 1994-11-02 | 2002-08-29 | The Dow Chemical Co., Midland | Formmasse, verfahren zu deren herstellung, verfahren zum formen und geformte gegenstände |
| WO1998044009A1 (en) | 1997-03-29 | 1998-10-08 | Montell Technology Company B.V. | Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom |
| GB9806407D0 (en) | 1998-03-25 | 1998-05-20 | Bp Chem Int Ltd | Novel polymer compositions |
| US6248831B1 (en) * | 1999-12-06 | 2001-06-19 | Union Carbide Chemicals & Plastics Technology Corporation | High strength polyethylene film |
| AU782724B2 (en) | 2000-05-12 | 2005-08-25 | Basell Technology Company B.V. | Pre-polymerized catalyst components for the polymerization of olefins |
| 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 |
| CN100582125C (zh) | 2003-08-20 | 2010-01-20 | 巴塞尔聚烯烃意大利有限责任公司 | 用于乙烯聚合的方法和装置 |
| GB0418581D0 (en) | 2004-08-20 | 2004-09-22 | Solvay | Polymer composition |
| EP1780225A1 (en) | 2005-11-01 | 2007-05-02 | Borealis Technology Oy | Ziegler-Natta catalyst and its use to prepare multimodal polyolefin |
| US8580893B2 (en) * | 2011-12-22 | 2013-11-12 | Fina Technology, Inc. | Methods for improving multimodal polyethylene and films produced therefrom |
| CN104755549B (zh) * | 2012-10-22 | 2017-05-24 | 巴塞尔聚烯烃股份有限公司 | 具有高膨胀比的聚乙烯组合物 |
| CN106170512B (zh) * | 2012-10-22 | 2021-04-09 | 巴塞尔聚烯烃股份有限公司 | 具有高膨胀比的聚乙烯组合物 |
| EP2738211A1 (en) * | 2012-11-28 | 2014-06-04 | Basell Polyolefine GmbH | Polyethylene composition having high swell ratio |
| EP2961779B1 (en) | 2013-02-27 | 2019-05-08 | Basell Polyolefine GmbH | Polyethylene processes and compositions thereof |
-
2016
- 2016-06-06 MX MX2017016246A patent/MX389279B/es unknown
- 2016-06-06 EP EP16729222.6A patent/EP3313930B1/en active Active
- 2016-06-06 ES ES16729222T patent/ES2724406T3/es active Active
- 2016-06-06 WO PCT/EP2016/062746 patent/WO2016206957A1/en not_active Ceased
- 2016-06-06 CN CN201680037393.0A patent/CN107849318B/zh active Active
- 2016-06-06 BR BR112017028028-0A patent/BR112017028028B1/pt active IP Right Grant
- 2016-06-06 JP JP2017565696A patent/JP6554563B2/ja active Active
- 2016-06-06 RU RU2018101083A patent/RU2653854C1/ru active
- 2016-06-06 US US15/739,652 patent/US10619035B2/en active Active
- 2016-06-06 CA CA2990500A patent/CA2990500C/en active Active
- 2016-06-06 KR KR1020187000800A patent/KR101897942B1/ko active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2990500C (en) | 2019-11-19 |
| CA2990500A1 (en) | 2016-12-29 |
| WO2016206957A1 (en) | 2016-12-29 |
| EP3313930A1 (en) | 2018-05-02 |
| US10619035B2 (en) | 2020-04-14 |
| CN107849318A (zh) | 2018-03-27 |
| CN107849318B (zh) | 2020-05-22 |
| BR112017028028A2 (pt) | 2018-08-28 |
| EP3313930B1 (en) | 2019-04-03 |
| RU2653854C1 (ru) | 2018-05-15 |
| US20180179367A1 (en) | 2018-06-28 |
| JP6554563B2 (ja) | 2019-07-31 |
| MX2017016246A (es) | 2018-04-20 |
| ES2724406T3 (es) | 2019-09-10 |
| KR101897942B1 (ko) | 2018-09-12 |
| BR112017028028B1 (pt) | 2022-04-26 |
| JP2018518579A (ja) | 2018-07-12 |
| KR20180011846A (ko) | 2018-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX389279B (es) | Composición de polietileno para películas. | |
| MX2020009649A (es) | Anticuerpos monoclonales contra bcma. | |
| EP4545544A3 (en) | Modified crispr rna and modified single crispr rna and uses thereof | |
| EP3268308B8 (en) | Method and system for the manufacture of methane, heat and electricity by hydrogasification of biomass | |
| EA201690613A1 (ru) | Улучшенные составы на основе аденовирусов | |
| SG10201909805XA (en) | Surface modified polymer compositions | |
| MX2015007189A (es) | Composiciones que comprenden anticuerpos anti-cd38 y lenalidomida. | |
| MX386856B (es) | Composición de polipropileno para película de capacitor. | |
| EA201591137A1 (ru) | Ингибиторы mk2 и их применения | |
| MX394081B (es) | Método para preparar un producto lácteo que tiene un contenido estable de galactooligosacárido (s). | |
| MX2014008801A (es) | Nueva composicion espesante que comprende almidon pregelatinizado de papa ceroso o almidon pregelatinizado de mandioca. | |
| EA201700546A1 (ru) | Композит полипропилен - углеродное волокно | |
| EP3116947A4 (en) | Improved biaxially oriented metallocene linear low density polyethylene film, method and resin composition for same | |
| MX373308B (es) | Composiciones que comprenden anticuerpos anti-cd38 y carfilzomib. | |
| EA201990989A1 (ru) | Полиэтиленовая композиция для труб или лент капельного орошения | |
| BR112017028037A2 (pt) | composição de polietileno que tem altas propriedades mecânicas e processabilidade | |
| BR112016029207A2 (pt) | resinas de polietileno | |
| ZA201703510B (en) | Antibodies, uses & methods | |
| BR112016029320A2 (pt) | métodos de modificar a razão de fluxo de fusão e/ou intumescimento de resinas de polietileno | |
| MX2017006396A (es) | Composicion de polietileno que tiene alta resistencia a la rotura por tension. | |
| MY183394A (en) | Multilayer films and methods thereof | |
| MX2019005749A (es) | Composicion de polietileno para moldeo por soplado con resistencia al agrietamiento por tension alta. | |
| MX2018004480A (es) | Pelicula de polietileno que tiene propiedades esteticas y de rendimiento unicas. | |
| MX2017007632A (es) | Composiciones de polietileno que tienen propiedades de bisagra viva. | |
| CL2019003456A1 (es) | Copolimero de etileno que tiene propiedades de película mejoradas. |