Patent Number: 
Section: claims

1. A neutron shielding material composition comprising:a hydrogenated bisphenol resin;a refractory material having higher density than that of the hydrogenated bisphenol resin;a density-increasing agent having higher density than that of the refractory material;a curing agent component;a boron compound,wherein said neutron shielding material composition maintains the density of a base resin comprising said curing agent component and the refractory material; andwherein density of the neutron shielding material composition is from 1.62 g/cm3 to 1.72 g/cm3. 2. A neutron shielding material composition comprising a hydrogenated bisphenol epoxy represented by the following structural formula (1):wherein each of R1 to R4 is independently selected from the group consisting of CH3, H, F, Cl and Br, and n is from 0 to 2;a refractory material having higher density than that of the hydrogenated bisphenol resin;a curing agent component having at least one ring structure and a plurality of amino groups;a density-increasing agent having higher density than that of the refractory material;a boron compound,wherein said neutron shielding material composition maintains the density of a base resin comprising said curing agent component and the refractory material; andwherein density of the neutron shielding material composition is from 1.62 g/cm3 to 1.72 g/cm3. 3. The neutron shielding material composition according to claim 1, further comprising one or more compounds selected from the group consisting of compounds represented by the structural formulas (2), (3), (6) and (9):wherein R5 is a (C1-10 alkyl group or H, and n is 1mm 1 to 24;wherein n is from 1 to 8;wherein each of R9 to R12 is independently selected from the group consisting of CH3, H, F, Cl and Br, and n is from 0 to 2; and 4. The neutron shielding material composition according to claim 1, comprising, as the curing agent component, a compound represented by the structural formula (4): 5. The neutron shielding material composition according to claim 1, wherein the curing agent component comprises one or more of compounds represented by the structural formulas (5) and (8):wherein R6, R7 and R8 each is independently a C1-18 alkyl group or H. 6. The neutron shielding material composition according to claim 1, further comprising a filler. 7. The neutron shielding material composition according to claim 1, wherein the refractory material comprises at least one of magnesium hydroxide and aluminum hydroxide. 8. The neutron shielding material composition according to claim 1 or claim 2, wherein the density-increasing agent is a metal powder having a density of 5.0 to 22.5 g/cm3, a metal oxide powder having a density of 5.0 to 22.5 g/cm3, or a combination thereof. 9. A neutron shielding material obtained from the neutron shielding material composition according to claim 1 or claim 2. 10. A neutron shielding container obtained from the neutron shielding material composition according to claim 1 or claim 2. 11. The neutron shielding material composition according to claim 7, wherein said magnesium hydroxide is obtained from sea water magnesium.