MX2022000601A - Copolimeros de etileno y peliculas con excelentes propiedades de sellado. - Google Patents

Copolimeros de etileno y peliculas con excelentes propiedades de sellado.

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Publication number
MX2022000601A
MX2022000601A MX2022000601A MX2022000601A MX2022000601A MX 2022000601 A MX2022000601 A MX 2022000601A MX 2022000601 A MX2022000601 A MX 2022000601A MX 2022000601 A MX2022000601 A MX 2022000601A MX 2022000601 A MX2022000601 A MX 2022000601A
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MX
Mexico
Prior art keywords
ethylene copolymer
density
10min
melt index
mil
Prior art date
Application number
MX2022000601A
Other languages
English (en)
Inventor
Fazle Sibtain
Shivendra Goyal
Monika Kleczek
Vinod Konaganti
Sepideh Kasiri
Marzieh Ebrahimi
Original Assignee
Nova Chem Int Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nova Chem Int Sa filed Critical Nova Chem Int Sa
Publication of MX2022000601A publication Critical patent/MX2022000601A/es

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    • 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
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    • 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
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    • 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
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    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/327—Layered products comprising a layer of synthetic resin comprising polyolefins comprising polyolefins obtained by a metallocene or single-site catalyst
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    • C08F4/02—Carriers therefor
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    • C08F2/00—Processes of polymerisation
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    • 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
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Abstract

Una composición de copolímero de etileno comprende: un primer copolímero de etileno que tiene una densidad de 0.855 a 0.913 g/cm3, una distribución de peso molecular, Mw/Mn de 1.7 a 2.3, y un índice de fusión, I2 desde 0.1 hasta 20 g/10min.; un segundo copolímero de etileno que tiene una densidad desde 0.875 hasta 0.936 g/cm3, una distribución de peso molecular, Mw/Mn desde 2.3 hasta 6.0, y un índice de fusión, I2 desde 0.3 hasta 100 g/10min; y opcionalmente un tercer copolímero de etileno; en donde el primer copolímero de etileno tiene más ramificaciones de cadena corta por mil átomos de carbono que el segundo copolímero de etileno y la densidad del segundo copolímero de etileno es igual o mayor que la densidad del primer copolímero de etileno. La composición de copolímero de etileno tiene una densidad desde 0.865 hasta 0.913 g/cm3; un índice de fusión, I2 desde 0.5 hasta 10 g/10min; y una fracción que eluye entre 90 y 105°C, que tiene un área integrada de más del 4 por ciento en peso en un análisis CTREF; y al menos 0.0015 partes por millón (ppm) de hafnio. La película soplada hecha de la composición de copolímero de etileno tiene una ventana de adherencia en caliente (HTW) de al menos 45°C (con un espesor de película de aproximadamente 50.08 µm (2 mil)) y una temperatura de inicio de sellado (SIT) de menos de 95°C (en una película espesor de aproximadamente 50.08 µm (2 mil)).
MX2022000601A 2019-07-29 2020-07-22 Copolimeros de etileno y peliculas con excelentes propiedades de sellado. MX2022000601A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/524,600 US11046843B2 (en) 2019-07-29 2019-07-29 Ethylene copolymers and films with excellent sealing properties
PCT/IB2020/056903 WO2021019370A1 (en) 2019-07-29 2020-07-22 Ethylene copolymers and films with excellent sealing properties

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MX2022000601A true MX2022000601A (es) 2022-03-11

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US (1) US11046843B2 (es)
EP (1) EP4004067A1 (es)
JP (1) JP7526253B2 (es)
KR (1) KR102691359B1 (es)
CN (1) CN114144463B (es)
BR (1) BR112022000362A2 (es)
MX (1) MX2022000601A (es)
WO (1) WO2021019370A1 (es)

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US11046843B2 (en) * 2019-07-29 2021-06-29 Nova Chemicals (International) S.A. Ethylene copolymers and films with excellent sealing properties
EP4323189A1 (en) * 2021-04-14 2024-02-21 Nova Chemicals (International) S.A. Biaxially oriented film
CN116396549A (zh) 2022-01-04 2023-07-07 韩华道达尔能源有限公司 聚乙烯树脂组合物、其制造方法及包含其的模制品
WO2023227969A1 (en) 2022-05-25 2023-11-30 Nova Chemicals (International) S.A. Polymer blend and multilayer film structure
WO2024062315A1 (en) 2022-09-23 2024-03-28 Nova Chemicals (International) S.A. Ethylene copolymer composition and film applications
WO2024153971A1 (en) 2023-01-18 2024-07-25 Nova Chemicals (International) S.A. Ethylene interpolymer products and films
KR102681289B1 (ko) * 2023-02-27 2024-07-04 주식회사 아주 가스차단성 및 방충 기능을 갖는 식품 포장용 필름

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