COMPOSITE FOR ABSORPTION OF ELECTROMAGNETIC RADIATION AND METHOD FOR PRODUCTION THEREOF
FIELD: composite material for electromagnetic protection. ^ SUBSTANCE: claimed method includes mixing of conductive filler, containing carbon modified by concentrated sulfuric and nitric acids, and polymer binder in mass ratio of 1-30:70-90, respectively. Mixture is additionally thermoextended at th...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: composite material for electromagnetic protection. ^ SUBSTANCE: claimed method includes mixing of conductive filler, containing carbon modified by concentrated sulfuric and nitric acids, and polymer binder in mass ratio of 1-30:70-90, respectively. Mixture is additionally thermoextended at thermal-shock condition at 250-3100C, followed by molding. Polymer binder is selected from group containing polyolefin, polystyrene, fluoroplastic, PVC plastisol and organosilicon rubber. Claimed material with thickness of 4-8 mm has reduced reflection index (-2 -16 dB) at wavelength of 0.8-25 cm and is useful for electronics, radiotechnology, anechoic box, etc. ^ EFFECT: protective composite of improved quality. ^ 6 cl, 4 dwg, 4 tbl, 5 ex |
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