Polyimide material filled with nano zinc oxide

A nano zinc oxide filled polyimide material is prepared through synthe polyamide acid solution from 3,3',4,4'-diphenylether tetracarboxylic acid bianhydride and 4,4'-diphenylether diamine, mixing with nano-class zinc oxide, high-temp heat treating to obtain powdered polyimide composit...

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Bibliographische Detailangaben
Hauptverfasser:	FEIFENG HE, ZIXUE QIU, RUBIN WU
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:	A nano zinc oxide filled polyimide material is prepared through synthe polyamide acid solution from 3,3',4,4'-diphenylether tetracarboxylic acid bianhydride and 4,4'-diphenylether diamine, mixing with nano-class zinc oxide, high-temp heat treating to obtain powdered polyimide composition, and die pressing at 330-400 deg.C and 30-100 MPa. Its advantage is excellent mechanical, refractory and antiwear performance.