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AR124405A1 - Composiciones de polietileno para aplicaciones de cierre - Google Patents

Composiciones de polietileno para aplicaciones de cierre

Info

Publication number
AR124405A1
AR124405A1 ARP210103550A ARP210103550A AR124405A1 AR 124405 A1 AR124405 A1 AR 124405A1 AR P210103550 A ARP210103550 A AR P210103550A AR P210103550 A ARP210103550 A AR P210103550A AR 124405 A1 AR124405 A1 AR 124405A1
Authority
AR
Argentina
Prior art keywords
molecular weight
ethylene
less
olefin copolymer
polyethylene composition
Prior art date
Application number
ARP210103550A
Other languages
English (en)
Inventor
Keran Lu
Russell T Cooper
Mubashir Qamar Ansari
Fengyi Zhang
Original Assignee
Dow Global Technologies Llc
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 Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of AR124405A1 publication Critical patent/AR124405A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04Polymers of ethylene
    • B29K2023/06PE, i.e. polyethylene
    • B29K2023/0658PE, i.e. polyethylene characterised by its molecular weight
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0088Molecular weight
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/06Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods

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)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Material Composition (AREA)

Abstract

Una composición de polietileno adecuada para su uso en moldeo por inyección, en donde la composición de polietileno comprende: de 2% en peso a 25% en peso de un componente de alto peso molecular que consiste en un copolímero de etileno / a-olefina, en donde el componente de alto peso molecular tiene una densidad de 0,910 g/cc a 0,971 g/cc, un índice de fusión (I₂,16) de más de 0,5 g/10 min a menos de 1,5 g/10 min, una distribución de peso molecular (Mʷ/Mₙ) de 6,0 a 20,0; de 75% en peso a 98% en peso de un componente de bajo peso molecular que consiste en un homopolímero de etileno o un copolímero de etileno / a-olefina, en donde el homopolímero de etileno o un copolímero de etileno / a-olefina tiene una densidad de 0,920 g/cc a 0,971 g/cc, un índice de fusión (I₂,16) de 5,0 g/10 min a 120 g/10 min y una distribución de peso molecular (Mʷ/Mₙ) de menos de 6,0; en donde la composición de polietileno tiene una anisotropía de contracción que es menor que la anisotropía de contracción del componente de bajo peso molecular.
ARP210103550A 2020-12-21 2021-12-16 Composiciones de polietileno para aplicaciones de cierre AR124405A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US202063128245P 2020-12-21 2020-12-21

Publications (1)

Publication Number Publication Date
AR124405A1 true AR124405A1 (es) 2023-03-22

Family

ID=79602019

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP210103550A AR124405A1 (es) 2020-12-21 2021-12-16 Composiciones de polietileno para aplicaciones de cierre

Country Status (8)

Country Link
US (1) US20230407067A1 (es)
EP (1) EP4263701B1 (es)
AR (1) AR124405A1 (es)
CA (1) CA3202808A1 (es)
CL (1) CL2023001660A1 (es)
MX (1) MX2023006540A (es)
PL (1) PL4263701T3 (es)
WO (1) WO2022140153A1 (es)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT513721A (es) 1953-01-27 1900-01-01
US3622521A (en) 1967-08-21 1971-11-23 Phillips Petroleum Co Olefin polymerization with chromium and titanium-containing compounds
US4011382A (en) 1975-03-10 1977-03-08 Union Carbide Corporation Preparation of low and medium density ethylene polymer in fluid bed reactor
US4302565A (en) 1978-03-31 1981-11-24 Union Carbide Corporation Impregnated polymerization catalyst, process for preparing, and use for ethylene copolymerization
US4482687A (en) 1979-10-26 1984-11-13 Union Carbide Corporation Preparation of low-density ethylene copolymers in fluid bed reactor
US4508842A (en) 1983-03-29 1985-04-02 Union Carbide Corporation Ethylene polymerization using supported vanadium catalyst
EP0350170B2 (en) 1988-06-17 2001-09-12 Mitsui Chemicals, Inc. Process for polymerising olefins and polymerisation catalyst therefor
US5122494A (en) 1991-02-19 1992-06-16 Shell Oil Company Olefin polymerization catalyst
US5290745A (en) 1992-08-10 1994-03-01 Union Carbide Chemicals & Plastics Technology Corporation Process for producing ethylene polymers having reduced hexane extractable content
ES2155095T5 (es) * 1993-10-21 2006-04-16 Exxonmobil Oil Corporation Mezclas de poliolefinas con distribucion bimodal de pesos moleculares.
US6187866B1 (en) 1999-06-04 2001-02-13 Union Carbide Chemicals & Plastics Technology Corporation Staged reactor process
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
CA2798854C (en) * 2012-12-14 2020-02-18 Nova Chemicals Corporation Polyethylene compositions having high dimensional stability and excellent processability for caps and closures
ES2669506T3 (es) * 2014-11-13 2018-05-28 Total Research & Technology Feluy Resina de polietileno catalizado con metaloceno

Also Published As

Publication number Publication date
WO2022140153A1 (en) 2022-06-30
EP4263701B1 (en) 2024-10-09
CL2023001660A1 (es) 2023-12-15
CA3202808A1 (en) 2022-06-30
PL4263701T3 (pl) 2024-12-16
MX2023006540A (es) 2023-06-16
US20230407067A1 (en) 2023-12-21
EP4263701A1 (en) 2023-10-25

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