FLAME RETARDANT EXTRUDED POLYSTYRENE FOAM COMPOSTIONS

Extrudable polystyrene foam compositions having flame retardant properties, flame retarded extruded polystyrene foams, methods of making such foams, and products comprising such compositions and foams are provided. The extrudable polystyrene compositions having flame retardant compositions can be ge...

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Bibliographische Detailangaben
1. Verfasser:	MAXWELL, KIMBERLY, A
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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	Extrudable polystyrene foam compositions having flame retardant properties, flame retarded extruded polystyrene foams, methods of making such foams, and products comprising such compositions and foams are provided. The extrudable polystyrene compositions having flame retardant compositions can be generally characterized as having a molecular weight (Mw) of at least about 90% of the polystyrene in an identical composition without the flame retardant compound and a Yellowness Index in the range of from about 1 to about 10. Cette invention concerne des compositions de mousse de polystyrène extrudable ayant des propriétés ignifuges. Cette invention concerne également des mousses de polystyrène extrudé ignifuges, ainsi que des procédés permettant de fabriquer ces mousses. En outre, l'invention concerne des produits comprenant de telles compositions et de telles mousses. Les compositions de polystyrène extrudable ayant des propriétés ignifuges se caractérisent généralement en ce qu'elles présentent un poids moléculaire (Mw) d'au moins environ 90% du polystyrène dans une composition identique qui ne contient pas le composé ignifuge et un indice de jaunissement compris entre environ 1 et environ 10.