Radiation shielding composition and method of manufacture
阅读：298发布：2022-07-30
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1. THE METHOD OF PREPARING A SOLID RADIATION SHIELDING COMPOSITION WHICH COMPRISES MIXING A FINELY DIVIDED DENSE METAL SELECTED FROM THE GROUP CONSISTING OF LEAD, TUNGSTEN, BISMUTH, AMD MIXTURES THEREOF, A MOLTEN WAX SELECTED FROM THE GROUP CONSISTING OF PARAFFIN WAX, MICROCRYSTALLINE WAX, AND A MIXTURE THEREOF, AND A FINELY DIVIDED, ADDITIVE SELECTED FROM THE GROUP CONSISTING OF SILICA, A GROUP II METAL SILICATE, ALUMINUM SILICATEM LEAD SILICATE, TIN SILICATE AND MIXTURES THEREOF, SAID DENSE METAL BEING PRESENT IN THE AMOUNT OF BETWEEN ABOUT 50 TO ABOUT 90 PERCENT BY WEIGHT BASED ON THE TOTAL WEIGHT OF DENSE METAL AND SAID WAX IN THE COMPOSITION, AND SAID ADDITIVE COMPRISING BETWEEN ABOUT 1 PERCENT AND 5 PERCENT BY WEIGHT OF THE TOTAL WEIGHT OF SAID WAX AND SAID ADDITIVE, CONTINUING SAID MIXING WHILE SAID WAX IS IN MOLTEN CONDITION TO PROVIDE A SUBSTANTIALLY ANHYDROUS UNIFORM DISPERSION OF SAID DENSE METAL IN SAID MOLTEN WAX AND SAID ADDITIVE, AND COOLING SAID LIQUID DISPERSION TO PROVIDE A SOLID RADIATION SHIELDING COMPOSITION.
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