LIGHT-TRANSMITTING HIGH-DENSITY MATERIAL

PURPOSE:To obtain a light-transmitting and high-density material useful as sound-insulating sidewalls for automobile expressways, etc., by containing lead oxide and barium oxide and compounding the resultant amorphous or microcrystalline light-transmitting inorganic material with a light-transmittin...

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Bibliographische Detailangaben
Hauptverfasser: TANAKA MASAMI, TERANISHI KOICHIRO, KASHIWA MORIHIKO, TAKADA YUKICHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To obtain a light-transmitting and high-density material useful as sound-insulating sidewalls for automobile expressways, etc., by containing lead oxide and barium oxide and compounding the resultant amorphous or microcrystalline light-transmitting inorganic material with a light-transmitting resin component. CONSTITUTION:A light-transmitting and high-density material obtained by compounding (A) a light-transmitting amorphous or microcrystalline inorganic material prepared by blending a light-transmitting inorganic material with (i) lead oxide and/or (ii) barium oxide with (B) a light-transmitting resin component, e.g. (poly)alkyl methacrylate, etc. The amount of the blended components (i) and/or (ii) is preferably 12-95wt%.