Radiation shielding material

Details Radiation shielding material Radiation shielding material

G - Physics

21

F

G21F 1/10 (2006.01) G21F 3/00 (2006.01)

Patent

CA 2413565

A radiation shielding material, characterized in that it is prepared by melting and forming a thermoplastic resin composition comprising 2 to 30 wt % of a thermoplastic elastomer and 70 to 98 wt % of a lead-free inorganic powder having a specific gravity of 4 or more. The radiation shielding material is free of lead and can be easily cut by means of scissors or the like. Further, scraps of the shielding material generated during melt-forming and in cutting it with scissors can be again molten and formed for recycling.

L'invention concerne un matériau de protection contre les rayonnements, préparé par fusion et formage d'une composition de résine thermoplastique comprenant 2 à 30 % en poids d'un élastomère thermoplastique et 70 à 98 % d'une poudre inorganique sans plomb d'une densité d'au moins 4. Le matériau de protection contre les rayonnements, qui est sans plomb, peut être facilement découpé à l'aide de ciseaux ou analogues. De plus, les rognures dudit matériau découlant de la fusion et du formage, ainsi que de la découpe à l'aide des ciseaux, peuvent également être fondues et formées en vue de leur recyclage.

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