Self-stratification radioactive contamination control and removal material and preparation method and application thereof
A self-layering, water-based technology, applied in radioactive purification, coatings, reactors, etc., can solve the problems of reducing the encapsulation of radioactive dust by decontamination materials, limiting the selection range of polymer emulsions, and weakening the decontamination and removal effect of materials. The effect of reducing the volume content of pigments, reducing density, and good cleaning effect
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Embodiment 1
[0036] A self-layering radioactive pollution control and removal material, which is composed of the following raw materials in parts by mass: 350 parts of water-based pure acrylic emulsion; 5 parts of F-20D microsphere foaming agent; WO 3 30 parts of shielding powder; 10 parts of thixotropic agent; 3 parts of dispersant; 3 parts of wetting agent; 0.5 parts of defoamer.
[0037] The preparation method of the above-mentioned self-layered radioactive contamination control and removal material is as follows:
[0038] The WO that will be weighed according to the above ratio 3 Add an appropriate amount of water and stir for 5 minutes to make it into a paste, then add a proportioned amount of F-20D microsphere foaming agent, and then fully stir for 5 minutes and then foam at 80°C to prepare a lightweight shielding functional composition;
[0039] Then add the water-based pure acrylic emulsion, thixotropic agent, dispersant, and wetting agent weighed according to the proportion to t...
Embodiment 2
[0042] A self-layering radioactive pollution control and removal material, which is composed of the following raw materials in parts by mass: 350 parts of aqueous vinegar-acrylic emulsion; 5 parts of F-20D microsphere foaming agent; WO 3 30 parts of shielding powder; 10 parts of thixotropic agent; 3 parts of dispersant; 3 parts of wetting agent; 0.5 parts of defoamer.
[0043] The preparation method of the above-mentioned self-layered radioactive contamination control and removal material is as follows:
[0044] The WO that will be weighed according to the above ratio 3 Add an appropriate amount of water and stir for 5 minutes to make it into a paste, then add a proportioned amount of F-20D microsphere foaming agent, stir fully for 5 minutes, and then foam at 80°C to prepare a lightweight shielding function composition.
[0045] Then add the water-based pure acrylic emulsion, thixotropic agent, dispersant, and wetting agent weighed according to the proportion to the above-men...
Embodiment 3
[0048] A self-layering radioactive pollution control and removal material, which is composed of the following raw materials in parts by mass: 200 parts of water-based pure acrylic emulsion, 150 parts of water-based vinegar-acrylic emulsion; 5 parts of F-20D microsphere foaming agent; 25 parts of PbO shielding powder 10 parts of thixotropic agent; 3 parts of dispersant; 3 parts of wetting agent; 0.5 parts of defoamer.
[0049] The preparation method of the above-mentioned self-layered radioactive contamination control and removal material is as follows:
[0050] Add an appropriate amount of water to the PbO weighed according to the above ratio and stir for 5 minutes to make it into a paste, then add a proportioned amount of F-20D microsphere foaming agent, and then fully stir for 5 minutes and then foam at 80 ° C to prepare light Quantification of shielding functional compositions.
[0051] Then add the water-based pure acrylic emulsion, water-based vinegar-acrylic emulsion, thi...
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