ELECTROMAGNETIC WAVE ABSORBING ASPHALT PANEL AND MANUFACTURE THEREOF

PROBLEM TO BE SOLVED: To provide an electromagnetic-absorptive asphalt panel and manufacture thereof, which has a high electromagnetic shield performance and low cost and is easy to make a large size product. SOLUTION: A manufacturing method comprises steps of kneading a material contg. a carbonaceo...

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Bibliographische Detailangaben
Hauptverfasser: TAKASE NOBUO, TOUGE AKIYA, ASADA MINEO, TSUKAMOTO YOSHITOSHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an electromagnetic-absorptive asphalt panel and manufacture thereof, which has a high electromagnetic shield performance and low cost and is easy to make a large size product. SOLUTION: A manufacturing method comprises steps of kneading a material contg. a carbonaceous material, asphalt and synthetic rubber as necessary with aggregates, sand and metal powder such as Al cut chip, sheeting it into shield pates or sheets 12, 13, 14, and laminating these plates or sheets 12-14 to form a laminate structure with composition gradually increasing the proportion of the carbonaceous material or metal powder every layer.