Composition for impregnating materials to shield against the effects of alternating electromagnetic fields, its application in coating/impregnating fibrous and/or porous matrices and materials containing the same

A composition for application to a base material, rendering the base material able to shield alternating electromagnetic fields in the range from low frequencies up to radio frequencies, includes an aqueous solution of a hydratable salt; a modifier selected from the group consisting of acrylic dispe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Wosiński, Stanislaw
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR INKS LAUNDERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A composition for application to a base material, rendering the base material able to shield alternating electromagnetic fields in the range from low frequencies up to radio frequencies, includes an aqueous solution of a hydratable salt; a modifier selected from the group consisting of acrylic dispersions, styrene-acrylic dispersions, silicone emulsions and combinations thereof; and an enhancing additive selected from the group consisting of surface active agents, aluminosilicates, silicates, soluble calcium compounds, insoluble calcium compounds, metal oxides, metalloid oxides and combinations thereof. The alternating field is shielded at least in the range from 10−2 Hz to 106 Hz. The composition may be used to coat/impregnate fibrous and/or porous matrices.