FLAME-RETARDANT POLYCARBONATE COMPOSITION

Polycarbonate (PC) moulding materials are claimed, contg. (a) 0.001-1 wt% alkali or alkaline earth salts of inorganic proton acids and/or at least IC organic Bronsted acids, and (b) 0.01-10 wt.% Si cpds. of formula (R1)-Si(OR2)4-n (I), R1 = 6-20C alkyl, 6-12C cycloalkyl or alkylcycloalkyl, 6-10 C ar...

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Bibliographische Detailangaben
Hauptverfasser:	KURAUSU HORUN, RIHIYARUTO BAIDAA, KURAUSU BERUKU
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:	Polycarbonate (PC) moulding materials are claimed, contg. (a) 0.001-1 wt% alkali or alkaline earth salts of inorganic proton acids and/or at least IC organic Bronsted acids, and (b) 0.01-10 wt.% Si cpds. of formula (R1)-Si(OR2)4-n (I), R1 = 6-20C alkyl, 6-12C cycloalkyl or alkylcycloalkyl, 6-10 C aryl or 7-13C aralkyl; n = 1-3. Also claimed is a process for the prodn. of these materials by mixing the PC with (a) and (b) in bulk or in soln., and then melt-compounding the mixt. at 260-360 degrees C or melt-extruding at 250-320 degrees C, or evaporating the soln. and granulating the mixt. obtd., or casting film from the soln. opt. after concn.