Composite production process of roll-type flexible lead-free gamma shielding material
A shielding material and production process technology, which is applied in the composite production process field of roll-type flexible lead-free γ shielding materials, can solve problems such as not suitable for continuous production of thin products, achieve good γ-ray shielding performance, reduce energy consumption, and improve product quality. quality effect
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Embodiment 1
[0023] Embodiment 1: as figure 1 A composite production process of roll-type flexible lead-free gamma shielding material is shown.
[0024] 1) Glue spraying treatment: fluorine rubber and silicone rubber composite rubber are used as the adhesive between the substrate and the fiber, the weight ratio is 0.05:1; the composite rubber is coated on one side of the flexible lead-free γ shielding film, and after coating Bake at 80°C for 10 minutes. The fluorine rubber is sprayed onto the surface of the 0.5 mm flexible lead-free gamma shielding film that has been processed into a film.
[0025] 2) Rolling composite: the sprayed flexible lead-free γ-shielding film obtained in step (1) is combined with a lightweight knitted elastic blended fabric with high elasticity, with a thickness of 0.2 mm, and passed through a roller heated to 80 °C. The distance between the rollers is 0.55 mm, and the heat treatment can be completed at the same time by rolling and compounding, which is more cond...
Embodiment 2
[0028] Embodiment 2: as figure 1 A composite production process of roll-type flexible lead-free gamma shielding material is shown.
[0029] 1) Glue spraying treatment: Fluororubber and silicone rubber composite rubber is used as the adhesive between the substrate and the fiber, the weight ratio is 0.1:1; the composite rubber is coated on one side of the flexible lead-free γ shielding film, and after coating Bake at 100°C for 10 minutes. The fluorine rubber is sprayed onto the surface of the 0.5 mm flexible lead-free gamma shielding film that has been processed into a film.
[0030] 2) Rolling and lamination: the sprayed flexible lead-free γ-shielding film obtained in step (1) is spread with rollers with a thickness of 0.2 mm and heated to 70 °C, and the distance between the rollers is 0.45 mm. Rolling compound molding can complete heat treatment at the same time, which is more conducive to rapid compounding of γ-shielding film and fiber material, reducing process steps and i...
Embodiment 3
[0033] Embodiment 3: as figure 1 A composite production process of roll-type flexible lead-free gamma shielding material is shown.
[0034] 1) Glue spraying treatment: fluorine rubber and silicone rubber composite rubber are used as the adhesive between the substrate and the fiber, the weight ratio is 0.15:1; the composite rubber is coated on one side of the flexible lead-free γ shielding film, and after coating, the Bake at 90°C for 5 minutes. The fluorine rubber is sprayed onto the surface of the 0.5 mm flexible lead-free gamma shielding film that has been processed into a film.
[0035] 2) Rolling composite: the sprayed flexible lead-free γ-shielding film obtained in step (1) and high-strength aramid cloth with a thickness of 0.2 mm are passed through rollers heated to 50 ℃, and the distance between the rollers is The thickness is 0.4 mm, and the heat treatment can be completed at the same time through rolling and composite molding, which is more conducive to the rapid co...
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Abstract
Description
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