MXPA05012157A - Composicion de polimero y procedimiento para fabricar polietileno de alta densidad-de alto peso molecular y peliculas del mismo. - Google Patents

Composicion de polimero y procedimiento para fabricar polietileno de alta densidad-de alto peso molecular y peliculas del mismo.

Info

Publication number
MXPA05012157A
MXPA05012157A MXPA05012157A MXPA05012157A MXPA05012157A MX PA05012157 A MXPA05012157 A MX PA05012157A MX PA05012157 A MXPA05012157 A MX PA05012157A MX PA05012157 A MXPA05012157 A MX PA05012157A MX PA05012157 A MXPA05012157 A MX PA05012157A
Authority
MX
Mexico
Prior art keywords
measured
astm
melt flow
flow index
composition
Prior art date
Application number
MXPA05012157A
Other languages
English (en)
Inventor
Brad A Cobler
Original Assignee
Dow Global Technologies Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33452310&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MXPA05012157(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Global Technologies Inc filed Critical Dow Global Technologies Inc
Publication of MXPA05012157A publication Critical patent/MXPA05012157A/es

Links

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/404—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having non-intermeshing parts
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/938—Polymer degradation

Abstract

La presente invencion incluye una composicion de polietileno multimodal que tiene (1) una densidad de por lo menos 0.940 g/cm3 segun medida a traves del metodo D-1505 de ASTM; (2) un indice de flujo de fusion (I5) de aproximadamente 0.2 a aproximadamente 1.5 g/10 minutos (segun medido a traves de ASTM D-1238, medido a 190 degree C y 5 kilogramos); (3) una relacion de indice de flujo de fusion (I21/I5) de aproximadamente 20 a aproximadamente 50; (4) una distribucion de peso molecular, Mw/Mn, de aproximadamente 20 a aproximadamente 40; (5) una estabilidad de burbuja medida en un equipo especificado de acuerdo con condiciones especificadas para una pelicula con un espesor de aproximadamente 6 X 10-6m de por lo menos una velocidad de linea de aproximadamente 1.22 m/s, a una velocidad de salida de por lo menos aproximadamente 45 kg/hora, o por lo menos aproximadamente 0.0000011 kg/s/rps como velocidad de salida especifica, o una combinacion de esto; la composicion comprende; y (6) un impacto de dardo sobre la pelicula de 12.5 micras (1.25 X 10-5m) de por lo menos 300 g; medido de acuerdo con ASTM 1709, Metodo A; (A) una fraccion de peso molecular alto que; (a) esta presente en una cantidad de aproximadamente 30 a aproximadamente 70% en peso (basado en el peso total de la composicion), (b) tiene una densidad de por lo menos aproximadamente 0.860 g/cm3 segun medida por ASTM D-1505; (c) tiene un indice de flujo de fusion (I21) de aproximadamente 0.01 a aproximadamente 50 g/10 minutos (segun medido a traves de ASTM D-1238, medido a 190 degree C y 21.6 kilogramos); y (d) una relacion de indice de flujo de fusion (I21/I5) de aproximadamente 6 a aproximadamente 12; y (B) una fraccion de bajo peso molecular que; (a) esta presente en una cantidad de aproximadamente 30 a aproximadamente 70% en peso (basandose en el peso total de la composicion); (b) tiene una densidad de por lo menos aproximadamente 0.900 g/cm3 segun medida a traves de ASTM D-1505; (c) tiene un indice de flujo de fusion (I2) de aproximadamente 0.5 a aproximadamente 3000 g/10 minutos (segun medido a traves de ASTM D-1238, medido a 190 degree C y 2.16 kilogramos); (d) una relacion de indice de flujo de fusion (I21/I5) de aproximadamente 5 a aproximadamente 15; y (e) se prepara utilizando una relacion molar de alfa-olefina a etileno de menos de o igual a aproximadamente 0.001:1. La invencion tambien incluye un procedimiento para producir un polimero de etileno multimodal, este procedimiento comprende los siguientes pasos: (1) poner en contacto, en un primer reactor de lecho fluidizado de fase de gas, bajo condiciones de polimerizacion y a una temperatura de aproximadamente 70 degree C a aproximadamente 110 degree C, un precursor de catalizador de titanio-magnesio soportado, co-catalizador, y una composicion gaseosa, la composicion gaseosa teniendo: (i) una relacion molar de alfa-olefina a etileno de aproximadamente 0.01:1 a aproximadamente 0.8:1; y opcionalmente (ii) una relacion molar hidrogeno a etileno de aproximadamente 0.001:1 a aproximadamente 0.3:1, para producir un polimero de alto peso molecular (HMW); y (2) transferir el polimero de alto peso molecular del paso 1 a un segundo reactor de lecho fluidizado de fase de gas bajo condiciones de polimerizacion y a una temperatura de aproximadamente 70 degree C a aproximadamente 110 degree C, con una composicion gaseosa teniendo: (i) una relacion molar de alfa-olefina a etileno de aproximadamente 0.0005:1 a aproximadamente 0.01:1:1; y (ii) una relacion molar de hidrogeno (si esta presente) a etileno de aproximadamente 0.01:1 a aproximadamente 3:1 para formar producto de mezcla de polimero; y (3) fundir el producto de mezcla de polimero en un extrusor teniendo una ventilacion de mezclador, en donde, (ii) la ventilacion de mezcla tiene una concentracion de oxigeno de aproximadamente 0.05 a aproximadamente 6% en volumen de oxigeno en nitrogeno; y (ii) la temperatura de extrusion es suficiente para fundir el polimero y lograr su desarrollo en presencia de oxigeno; y (4) hacer pasar la mezcla de polimero fundida a traves de uno o mas tamices activos, en donde en el caso de dos o mas tamices activos, los tamices son colocados en serie, cada tamiz activo teniendo un tamano de retencion de micra de aproximadamente 2 a aproximadamente 70, a un flujo de masa de aproximadamente 1.0 a aproximadamente 20 kg/s/m2 para formar una mezcla de polimero fundida tamizada. La composicion se puede preparar a traves del procedimiento y de preferencia se prepara a traves del procedimiento. La resina exhibe un procesamiento de extrusion mejorado a altas velocidades de linea comercial, mientras se exhibe un excelente equilibrio de estabilidad de burbuja 10, caida de dardo, y FAR, asi como tambien una NCLS excelente con buen modulo de flexion.
MXPA05012157A 2003-05-12 2004-05-05 Composicion de polimero y procedimiento para fabricar polietileno de alta densidad-de alto peso molecular y peliculas del mismo. MXPA05012157A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46966503P 2003-05-12 2003-05-12
PCT/US2004/013975 WO2004101674A1 (en) 2003-05-12 2004-05-05 Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom

Publications (1)

Publication Number Publication Date
MXPA05012157A true MXPA05012157A (es) 2006-02-08

Family

ID=33452310

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA05012157A MXPA05012157A (es) 2003-05-12 2004-05-05 Composicion de polimero y procedimiento para fabricar polietileno de alta densidad-de alto peso molecular y peliculas del mismo.

Country Status (13)

Country Link
US (1) US7714072B2 (es)
EP (2) EP1627015B1 (es)
JP (1) JP2007505201A (es)
CN (1) CN100513474C (es)
AR (1) AR044303A1 (es)
AU (1) AU2004239250B2 (es)
BR (1) BRPI0411162A (es)
CA (1) CA2523950C (es)
MX (1) MXPA05012157A (es)
MY (1) MY145341A (es)
PL (2) PL2256160T3 (es)
TW (1) TW200504093A (es)
WO (1) WO2004101674A1 (es)

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