Patent ID: 7250119
Filing Date: 2007-07-31
Classification: G21F

Abstract:
1. A radiation shielding admixture composite material comprising: a) a composite of both gamma and neutron radiation shielding naturally occurring mineral materials, selected from the group consisting of: i) Lead mineral materials, wherein the lead mineral materials are at least one of linarite [PbCu(SO ii) Boron mineral materials, wherein the boron mineral materials are at least one of hydroborocite (CaMgB iii) Cadmium mineral materials; wherein the cadmium mineral materials are at least one of greenockite (CdS), cadmium ocher [CdS, FeO(OH) iv) Iron mineral materials, wherein the iron mineral materials are at least one of siderite (FeCO v) Lithium mineral materials, wherein the lithium mineral materials are at least one of lepidolite mica [(K vi) Aluminum mineral materials, wherein the aluminum mineral materials are at least one of gibbsite [Al(OH) vii) Coal mineral materials, wherein the coal mineral materials are at least one of sub-bituminous to bituminous coal with 90 percent carbon and 10 percent other mineral materials, anthracite coal with 90-95 percent carbon and 5-10 percent other associated mineral materials in amounts ranging from 3-20 weight percent of said radiation shielding admixture composite; viii) Titanium mineral materials, wherein the titanium mineral materials are at least one of rutile (TiO ix) Sulfate mineral materials, wherein the sulfate mineral materials are at least one of jarosite [KFe x) Hydride mineral materials, wherein the hydride mineral materials are at least one of ditantalum hydride (Ta xi) Leaded-glass material, wherein the leaded-glass material is at least one of 20 percent lead glass, 30 percent lead glass, 40 percent lead glass, 50 percent lead glass in amounts ranging from 5-50 weight percent of said radiation shielding admixture composite; or xii) Combinations of i-xi b) Carrier grout matrix selected from the group consisting of: i) Type A—Modified cement carrier grout matrix; wherein the Type A carrier grout matrix comprising: ii) Type B—Polymer modified asphaltenes and maltenes carrier grout matrix; wherein the Type B carrier grout matrix comprising of: iii) Type C—Polymer modified polyurethane foam carrier grout matrix, wherein the Type C carrier grout matrix comprising of: and iv) Combinations of i, ii and iii.