Annealed porous polyolefin material

A polyolefin material that comprises a thermoplastic composition that is annealed and thereafter drawn in a solid state is provided. The composition contains a continuous phase that includes a polyolefin matrix polymer and a nanoinclusion additive dispersed within the continuous phase in the form of...

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Bibliographische Detailangaben
Hauptverfasser:	Mark M Mleziva, Ryan J McEneany, Yuriy Galabura, Neil T Scholl, Vasily A Topolkaraev, Antonio J Carrillo, Hristo A Hristov
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS BRAIDING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING TRIMMINGS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WADDING
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Beschreibung
Zusammenfassung:	A polyolefin material that comprises a thermoplastic composition that is annealed and thereafter drawn in a solid state is provided. The composition contains a continuous phase that includes a polyolefin matrix polymer and a nanoinclusion additive dispersed within the continuous phase in the form of discrete domains. A porous network is defined within the thermoplastic composition that includes a plurality of nanopores, wherein the thermoplastic composition has a glass transition temperature of from about −20° C. to about 50° C. as determined in accordance with ASTM E1640-13.