COMPOSITE POLYMERIC MATERIAL WITH ELECTROMAGNETIC PROPERTIES, PREPARED BY NANO ADDITIVES DISPERSION

The invention relates to a composite polymeric material with nanopowder content, for flexible coatings, which has predefined electromagnetic screening properties in the RF range and/or MW, with attenuation of at least 50 dB. According to the invention, the composite polymeric material consists of th...

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Bibliographische Detailangaben
Hauptverfasser:	CARAMITU ALINA RUXANDRA, ION IOANA, ARĂDOAEI MIHAELA, TUGUI COSTEL, CIOBANU ROMEO CRISTIAN
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	The invention relates to a composite polymeric material with nanopowder content, for flexible coatings, which has predefined electromagnetic screening properties in the RF range and/or MW, with attenuation of at least 50 dB. According to the invention, the composite polymeric material consists of the following components, expressed as mass percentage: 81.1% acrylic paint solution, 18% Fe nanoparticles and 0.9% additives, such as sodium dodecyl sulphate (SDS) or polyvinyl pyrrolidone (PVP). Invenţia se referă la un material compozit polimeric cu conţinut de nanopulberi pentru acoperiri flexibile, materialul având proprietăţi de ecranare electromagnetică predefinită în domeniul de radiofrecvenţă şi/sau microunde, cu atenuări de minim 50 dB. Materialul compozit polimeric conform invenţiei este constituit din următoarele componente exprimate în procente masice: 81,1% soluţie de vopsea acrilică, 18% nanoparticule de Fe şi 0,9% aditivi cum sunt dodecil sulfat de sodiu (SDS) sau polivilin pirolidona (PVP).