Thermoplastic composition comprising a compatibilized polyphenylene ether-polyamide base resin and electroconductive carbon black

The present invention deals with a thermoplastic composition comprising (a) a compatibilized polyphenylene ether-polyamide base resin, and (b) 1-7 parts by weight per 100 parts by weight of (a) of an electroconductive carbon black, with an Izod notched impact strength of more than 15 kJ/m2 and a vol...

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Bibliographic Details
Main Authors MARIE LOHMEIJER; JOHANNES HUBERTUS GABRIEL, FORTUIJN; JOHANNES EVERARDUS, WAGENAAR; JAN
Format Patent
LanguageEnglish
Published 02.11.1999
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
CABLES
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CONDUCTORS
ELECTRICITY
INSULATORS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:The present invention deals with a thermoplastic composition comprising (a) a compatibilized polyphenylene ether-polyamide base resin, and (b) 1-7 parts by weight per 100 parts by weight of (a) of an electroconductive carbon black, with an Izod notched impact strength of more than 15 kJ/m2 and a volume resistivity of less than 106 Ohm.cm. The compositions of the invention are suitable for molding objects which can easily be painted by an electrostatic coating process. The invention further provides a process for the preparation of the composition of the invention comprising at least two steps. In the first step the base resin is formed. In a further step the carbon black is incorporated in the base resin. The invention further relates to articles formed out of the composition of the invention and to such articles which have been painted by an electrostatic coating process.
Bibliography:Application Number: US19980039030