POLVO DE MOLDEO DE POLIETILENO Y ARTICULOS POROSOS OBTENIDOS A PARTIR DE EL

Un polvo de moldeo que comprende un polímero de polietileno, en el que el polímero de polietileno tiene un peso molecular en el intervalo desde 600.000 g/mol a 2.700.000 g/mol según se determina mediante ASTM 4020, un tamaño medio de partícula en el intervalo desde 5 mim a 1.000 mim, y una densidad...

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Hauptverfasser:	WANG, LOUIS, C, EHLERS, JENS
Format:	Patent
Sprache:	spa
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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creator	WANG, LOUIS, C EHLERS, JENS
description	Un polvo de moldeo que comprende un polímero de polietileno, en el que el polímero de polietileno tiene un peso molecular en el intervalo desde 600.000 g/mol a 2.700.000 g/mol según se determina mediante ASTM 4020, un tamaño medio de partícula en el intervalo desde 5 mim a 1.000 mim, y una densidad en masa del polvo en el intervalo desde 0,10 a 0,30 g/cm3, y en el que el polvo exhibe una resistencia a la flexión característica de al menos 0,7 MPa según se determina en la forma de un disco de 140 mm de diámetro que tiene un espesor de 6,25 mm por vía del procedimiento anterior, sinterizar la pieza durante 25 minutos a 220ºC, y medir la resistencia a la flexión del disco de acuerdo con DIN ISO 178. The present invention relates to a new molding powder comprising polyethylene polymer particles. The molecular weight of the polyethylene polymer is within the range of from about 600,000 g/mol to about 2,700,000 g/mol as determined by ASTM 4020. The average particle size of the particles of the polyethylene polymer is within the range of from about 5 microns to about 1000 microns and the polyethylene has a powder bulk density in the range of from about 0.10 to about 0.30 g/cc. Also disclosed is a process for molding a shape from a molding powder comprising the inventive polyethylene polymer particles, as well as porous articles made in accordance with the process. The articles have excellent porosity and good strength for porous and porous filtration applications.
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The present invention relates to a new molding powder comprising polyethylene polymer particles. The molecular weight of the polyethylene polymer is within the range of from about 600,000 g/mol to about 2,700,000 g/mol as determined by ASTM 4020. The average particle size of the particles of the polyethylene polymer is within the range of from about 5 microns to about 1000 microns and the polyethylene has a powder bulk density in the range of from about 0.10 to about 0.30 g/cc. Also disclosed is a process for molding a shape from a molding powder comprising the inventive polyethylene polymer particles, as well as porous articles made in accordance with the process. 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The present invention relates to a new molding powder comprising polyethylene polymer particles. The molecular weight of the polyethylene polymer is within the range of from about 600,000 g/mol to about 2,700,000 g/mol as determined by ASTM 4020. The average particle size of the particles of the polyethylene polymer is within the range of from about 5 microns to about 1000 microns and the polyethylene has a powder bulk density in the range of from about 0.10 to about 0.30 g/cc. Also disclosed is a process for molding a shape from a molding powder comprising the inventive polyethylene polymer particles, as well as porous articles made in accordance with the process. 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The present invention relates to a new molding powder comprising polyethylene polymer particles. The molecular weight of the polyethylene polymer is within the range of from about 600,000 g/mol to about 2,700,000 g/mol as determined by ASTM 4020. The average particle size of the particles of the polyethylene polymer is within the range of from about 5 microns to about 1000 microns and the polyethylene has a powder bulk density in the range of from about 0.10 to about 0.30 g/cc. Also disclosed is a process for molding a shape from a molding powder comprising the inventive polyethylene polymer particles, as well as porous articles made in accordance with the process. The articles have excellent porosity and good strength for porous and porous filtration applications.</abstract><oa>free_for_read</oa></addata></record>
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subjects	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
title	POLVO DE MOLDEO DE POLIETILENO Y ARTICULOS POROSOS OBTENIDOS A PARTIR DE EL
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