FLAME-RETARDANT RESIN COMPOSITION

PURPOSE: To obtain a flame-retardant resin compsn. excellent in impact resistance and flame retardance by compounding a polycarbonate resin with a phosphoric ester compd. and a specific composite-rubber-based graft copolymer each in a specified amt. CONSTITUTION: 100 pts.wt. polycarbonate resin is c...

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Bibliographische Detailangaben
Hauptverfasser:	UEDA TERUSHI, ITO KOICHI, YANAGASE AKIRA
Format:	Patent
Sprache:	eng
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:	PURPOSE: To obtain a flame-retardant resin compsn. excellent in impact resistance and flame retardance by compounding a polycarbonate resin with a phosphoric ester compd. and a specific composite-rubber-based graft copolymer each in a specified amt. CONSTITUTION: 100 pts.wt. polycarbonate resin is compounded with 1-20 pts.wt. phosphoric ester compd. (e.g. triphenyl phosphate) and 0.1-50 pts.wt. composite- rubber-based graft copolymer obtd. by grafting at least one vinyl monomer (e.g. methyl methacrylate) onto a composite rubber comprising 30-99wt.% polyorganosiloxane component (e.g. one obtd. by copolymerizing tetraethoxysilane. γ-methacryloyloxypropyldimethoxymethylsilane, and octamethylcyclotetrasiloxane) and 70-1wt.% polyalkyl (meth)acrylate rubber component (e.g. one obtd. from n-butyl acrylate and allyl methacrylate).