POLYCARBONATE COMPOSITION WITH A PEARLESCENT PIGMENT AND/OR INTERFERENCE PIGMENT

POLYCARBONATE COMPOSITION WITH A PEARLESCENT PIGMENT AND/OR INTERFERENCE PIGMENT

The invention relates to compositions based on aromatic polycarbonate comprising metal oxide-coated micas as effect pigment, which do not have any significant increase in molecular weight of the polycarbonate, as can be seen from the MVR, under thermal stress. This is achieved by the addition of sma...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANDNER, Derk, SCHWIRWITZ, Christopher, HERMSDORFER, Ingmar
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
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Beschreibung
Zusammenfassung:The invention relates to compositions based on aromatic polycarbonate comprising metal oxide-coated micas as effect pigment, which do not have any significant increase in molecular weight of the polycarbonate, as can be seen from the MVR, under thermal stress. This is achieved by the addition of small amounts of an anhydride-modified α-olefin polymer, optionally in combination with phosphorus-containing thermal stabilizer.