FLAME RETARDANT POLYCARBONATE COMPOSITIONS, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

Disclosed herein is a flame retardant composition comprising 10 to 90 weight percent of a linear polycarbonate; a branched polycarbonate; 10 to 70 weight percent of a polysiloxane-polycarbonate copolymer where the polysiloxane-polycarbonate copolymer comprises 10 weight percent or less of polysiloxa...

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Bibliographische Detailangaben
Hauptverfasser:	LI, YING, LIN, YEGANG, WU, TONG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Disclosed herein is a flame retardant composition comprising 10 to 90 weight percent of a linear polycarbonate; a branched polycarbonate; 10 to 70 weight percent of a polysiloxane-polycarbonate copolymer where the polysiloxane-polycarbonate copolymer comprises 10 weight percent or less of polysiloxane having a weight average molecular weight of less than 30,000 Daltons; and 1 to 20 weight percent of a phosphazene compound; were all weight percents are based on the total weight of the composition, and where the composition does not contain a flame retardant other than the phosphazene compound. Disclosed herein too is a method comprising blending 10 to 90 weight percent of a linear polycarbonate; a branched polycarbonate; 10 to 70 weight percent of a polysiloxane-polycarbonate copolymer where the polysiloxane-polycarbonate copolymer comprises 10 weight percent or less of polysiloxane having a weight average molecular weight of less than 30,000 Daltons; and 1 to 20 weight percent of a phosphazene compound; to form a flame retardant composition; were all weight percents are based on the total weight of the composition, and where the composition does not contain a flame retardant other than the phosphazene compound.