ES2385833T5 - Cintas, fibras y filamentos estirados que comprenden una resina de polietileno multimodal - Google Patents

Cintas, fibras y filamentos estirados que comprenden una resina de polietileno multimodal Download PDF

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Publication number
ES2385833T5
ES2385833T5 ES05809791.6T ES05809791T ES2385833T5 ES 2385833 T5 ES2385833 T5 ES 2385833T5 ES 05809791 T ES05809791 T ES 05809791T ES 2385833 T5 ES2385833 T5 ES 2385833T5
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Prior art keywords
tapes
fibers
polyethylene resin
examples
multimodal polyethylene
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ES05809791.6T
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ES2385833T3 (es
Inventor
Yves-Julien Lambert
Andre Frederich
Luc Marie Ghislain Dheur
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Ineos Manufacturing Belgium NV
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Ineos Manufacturing Belgium NV
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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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/298—Physical dimension

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Artificial Filaments (AREA)
  • Multicomponent Fibers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Description

imagen1
imagen2
imagen3
imagen4
imagen5
cabo un experimento de barrido de tiempo (TS) con una frecuencia aplicada baja de 0.1 rad/s en la cepa seleccionada (como se determina por los experimentos SS) para revisar la estabilidad de la muestra durante prueba.
Medición del Módulo Elástico de Fusión G’(G"=3000 Pa) y G’(G"=500 Pa) y la viscosidad de corte Dinámico Complejo, η100 y η0.01, a 190°C
5 Luego se lleva a cabo un experimento de barrido de frecuencia (FS) a 190°C utilizando el nivel de cepa seleccionado apropiadamente anterior entre el rango de frecuencias dinámicas de 0.01 a 100 rad/s. Los datos reológicos dinámicos así medidos luego se analizan utilizando el software de reómetro (viz., Rheometrics RHIOS V4.4 o Software Orchestrator) para determinar el módulo elástico de fusión G’(G"=3000 Pa) y G’(G"=500 Pa) en dos valores del módulo viscoso de fusión de referencia (G") de G"=3000 Pa y G"=500 Pa, respectivamente. Si es necesario, se obtienen
10 valores mediante interpolación entre los puntos de datos disponibles utilizando el software Rheometrics.
Las viscosidades de corte dinámico complejas medidas en Pa.s, η*(0.01) en una frecuencia dinámica de 0.01 rad/s, y η*(100) en una frecuencia dinámica de 100 rad/s, se determinan directamente de los datos η* del experimento de barrido de frecuencia (FS) medido a 190°C.
TABLA 1
EJEMPLOS
1 2 3 4 5 6 7# 8* 9** 10***
Polímero A
% en peso
50 48 50 45 55 40 49 60
MI2 (8/2)
g/10 min 400 420 450 150 140 450 110 2.5
Densidad
kg/m3 973.3 972.0 973.0 971.0 971.0 964.2 970.0 960.8
contenido C6
% en peso - - - - - 0.5 - -
Polímero B (valores calculados)
% en peso
50 52 50 55 45 60 51 40
MI5
g/10 min 0.24 0.12 0.13 0.12 0.13 0.25 0.70 0.51
Densidad
kg/m3 924 920 919 - 932 932 932 954.4
Contenido C4
% en peso - 3.0 - - 2.2 - 6.8 -
7
(continuación)
EJEMPLOS
1 2 3 4 5 6 7# 8* 9** 10***
Contenido C6
% en peso 4.5 - 5.7 - - 2.4 - -
RESINA
MI5
g/10 min 2.7 1.3 1.6 0.9 1.9 1.6 5.3 1.9 1.2 2.5
η* @ 100rad/s
Pa.s 1213 1643 1335 2039 1360 1645 890 1932 2209 1.708
η* @ 0.01rad/s
Pa.s 16628 29565 27383 39141 26615 24624 10450 23610 21369 17300
G’(G"=3000 Pa)
Pa 889 817 975 823 1052 837 1079 898 926 768
G’(G"=500 Pa)
Pa 73 66 84 73 107 77 110 101 107 78
Densidad
kg/m3 949.3 945.4 945.0 958.5 955.2 945.8 951.6 944.0 944.5 958.3
C4 Total
% en peso - 1.6 - 1.0 3.4 -
C6 Total
% en peso 2.3 - 2.9 - - 1.7 -
RESINA
Mw/Mn
17 - 18.0 14.4 14.4 13.9 12.7 -
# ejemplo comparativo, bimodal pero con MI5 alto * ejemplo comparativo, Eltex® A5006 FN1280 (monomodal) ** ejemplo comparativo, Eltex® A5006 FN1362 (monomodal) *** ejemplo comparativo
Las resinas de los Ejemplos 1-9 luego se forman en cintas utilizando el proceso descrito anteriormente, durante los cuales la película de la que se cortan las cintas se estira 7, 8 o 9 veces. Las cintas se someten a pruebas de resistencia a la tracción con el fin de evaluar su idoneidad para uso en aplicaciones tales como redes. Se realizan pruebas de tensión a 23° C en un índice de estiramiento de 200 mm/minuto, con un calibre de 200 mm, un rango de carga de 2500 N y un rango de extensión de 2000 mm. Los resultados se muestran en la Tabla 2 adelante, en donde los Ejemplos 1-6 se pueden comparar con los ejemplos comparativos 7-9.
8
TABLA 2
EJEMPLOS
1 2 3 4 5 6 7* 8* 9**
estirado 7x
Tex (g/1000m)
81 72 84 71 66 84 57 63 61
Prom de elongación %
38 33 32 30 29 35 39 33 28
Prom de tenacidad cN/Tex
33 40 38 44 39 36 28 33 40
Estirado 8x
Tex (g/1000m)
71 63 73 63 59 72 48 54 53
Prom de elongación %
26 25 25 24 25 29 26 25 24
Prom de tenacidad cN/Tex
42 51 48 55 50 49 35 43 51
Estirado 9x
Tex (g/1000m)
65 56 62 55 53 64 43 47 52
Prom de elongación %
23 19 22 19 20 25 22 20 20
Prom de tenacidad cN/Tex
50 55 58 61 58 58 43 50 57
Para las cintas, cuando se aumenta la tenacidad, se reduce la elongación hasta ruptura. La tenacidad se puede aumentar al aumentar la relación de estiramiento: en los ejemplos anteriores, las cintas se estiran 7, 8 y 9 veces.
5 Todos los ejemplos bimodales (Ejemplos 1 a 6) exhiben tenacidades mayores que los ejemplos monomodales (8 y 9) mientras se mantiene por lo menos la misma elongación residual. El Ejemplo 7 tiene tenacidad menor que las resinas monomodales debido a su índice de fusión excesivamente alto MI5. En todos los ejemplos, aumentar la relación de estiramiento de 7 a 8 y luego a 9 resulta en un aumento de la tenacidad de aproximadamente 20-30 % cada vez, con el valor de tenacidad de estiramiento 9x es aproximadamente 50 % más de estiramiento 7x.
10
9

Claims (1)

  1. imagen1
    imagen2
ES05809791.6T 2004-11-18 2005-11-11 Cintas, fibras y filamentos estirados que comprenden una resina de polietileno multimodal Active ES2385833T5 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0425444 2004-11-18
GBGB0425444.7A GB0425444D0 (en) 2004-11-18 2004-11-18 Multimodal composition for tapes, fibres and filaments
PCT/EP2005/012223 WO2006053709A1 (en) 2004-11-18 2005-11-11 Drawn tapes, fibre and filaments comprising a multimodal polyethylene resin

Publications (2)

Publication Number Publication Date
ES2385833T3 ES2385833T3 (es) 2012-08-01
ES2385833T5 true ES2385833T5 (es) 2017-05-30

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US (1) US7807770B2 (es)
EP (1) EP1812629B2 (es)
CN (1) CN101103147B (es)
AT (1) ATE553237T1 (es)
ES (1) ES2385833T5 (es)
GB (1) GB0425444D0 (es)
WO (1) WO2006053709A1 (es)

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* Cited by examiner, † Cited by third party
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EP2130863A1 (en) 2008-06-02 2009-12-09 Borealis AG High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom
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WO2012004422A1 (es) 2010-07-06 2012-01-12 Dow Global Technologies Llc Mezclas de polímeros de etileno y artículos orientados con resistencia mejorada a la contracción
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Also Published As

Publication number Publication date
GB0425444D0 (en) 2004-12-22
EP1812629B1 (en) 2012-04-11
EP1812629A1 (en) 2007-08-01
EP1812629B2 (en) 2016-09-28
CN101103147B (zh) 2012-02-01
CN101103147A (zh) 2008-01-09
WO2006053709A1 (en) 2006-05-26
ES2385833T3 (es) 2012-08-01
US20070287798A1 (en) 2007-12-13
US7807770B2 (en) 2010-10-05
ATE553237T1 (de) 2012-04-15

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