NEUTRON BEAM SHIELDING GYPSUM-BASED BUILDING BOARD AND METHOD OF MANUFACTURING NEUTRON BEAM SHIELDING GYPSUM-BASED BUILDING BOARD

A neutron beam shielding gypsum-based building board includes gypsum, a boron-containing material containing boron an amount of which is in a range from 1.0 parts by mass to 120 parts by mass with respect to 100 parts by mass of the gypsum, and a water reducing agent in a range from 0.05 parts by ma...

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Bibliographische Detailangaben
Hauptverfasser:	OKAMOTO, Natsuki, NAITO, Daisuke, KUSHIBE, Atsumichi, IKEO, Yosaku, OKAMOTO, Hajime, SATO, Yosuke, SUZUKI, Masaki, NORIMONO, Takemi, ODAGAWA, Masanobu
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DECONTAMINATION ARRANGEMENTS THEREFOR LIME, MAGNESIA METALLURGY NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULARRADIATION OR PARTICLE BOMBARDMENT REFRACTORIES SLAG TREATING RADIOACTIVELY CONTAMINATED MATERIAL TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A neutron beam shielding gypsum-based building board includes gypsum, a boron-containing material containing boron an amount of which is in a range from 1.0 parts by mass to 120 parts by mass with respect to 100 parts by mass of the gypsum, and a water reducing agent in a range from 0.05 parts by mass to 2.0 parts by mass with respect to 100 parts by mass of the gypsum. The boron-containing material includes one or more kinds selected from calcium borate, boron carbide, boric acid, boron oxide, sodium borate, and calcium boride, and a specific gravity in a dry condition is in a range from 0.65 to 1.6.