ARTICLE AND METHOD OF PRODUCING A LOW DENSITY FOAM BLEND OF STYRENIC POLYMER AND POLYOLEFIN

An extruded polymeric foam comprising a styrenic polymer and an olefinic polymer, the olefinic polymer in an amount less than the amount of the styrenic polymer. The styrenic polymer and the olefinic polymer are present as a blend, prefer-ably free of an interpolymer or compatiblizer. The foam has a...

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Hauptverfasser:	VO, CHAU VAN, FRANKOWSKI, DAVID J, COSTEUX, STEPHANE
Format:	Patent
Sprache:	eng ; fre
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	VO, CHAU VAN FRANKOWSKI, DAVID J COSTEUX, STEPHANE
description	An extruded polymeric foam comprising a styrenic polymer and an olefinic polymer, the olefinic polymer in an amount less than the amount of the styrenic polymer. The styrenic polymer and the olefinic polymer are present as a blend, prefer-ably free of an interpolymer or compatiblizer. The foam has a density below about 36 kg/m3 (as measured by ASTM D1622-03), a vertical compressive strength greater than about 100 kPa (as measured by ASTM D1621 -04) and a compressive strength ratio greater than about 0.35. La présente invention concerne une mousse polymère extrudée comprenant un polymère styrénique et un polymère oléfinique, le polymère oléfinique étant en une quantité inférieure à celle du polymère styrénique. Le polymère styrénique et le polymère oléfinique sont présents sous la forme d'un mélange, de préférence, sans interpolymère ni agent de compatibilisation. La mousse a une densité (mesurée selon la norme ASTM D1622-03) inférieure à environ 36 kg/m3, une résistance à la compression verticale (mesurée selon la norme ASTM D1621 -04) supérieure à environ 100 kPa et un taux de résistance à la compression supérieur à environ 0,35.
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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	ARTICLE AND METHOD OF PRODUCING A LOW DENSITY FOAM BLEND OF STYRENIC POLYMER AND POLYOLEFIN
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