Neutron shielding material and preparation method thereof
A technology of shielding materials and neutrons, which is applied in the field of neutron shielding materials and its preparation, can solve the problems of poor thermal conductivity and flame retardancy, unsuitable pouring, poor molding performance, etc., achieve good flame retardancy, accelerate solidification speed, The effect of less pores
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[0023] A preparation method for preparing the aforementioned neutron shielding material includes the following steps:
[0024] (1) Vacuum mixing the epoxy resin and part of the flame retardant, and the vacuum mixing time can be selected from 10-30min according to the specific situation;
[0025] (2) Add another part of flame retardant, density increasing agent, neutron absorber in (1), and perform the vacuum mixing and defoaming treatment. The defoaming treatment time and mixing temperature are respectively 2-5h, Choose a specific value at 30-50℃ according to the specific situation;
[0026] (3) Add the curing agent in (2), perform vacuum mixing and obtain a mixture;
[0027] (4) Pouring the mixture in (3) into a vacuum mold;
[0028] (5) After (4), put the vacuum mold into the oven for curing treatment. The curing temperature and curing time are respectively selected from 30-50°C and 24-28h according to the specific situation.
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