Radiation protection material and method for making same

A technology of radiation protection and manufacturing method, which is applied in the field of radiation protection plates and its production, can solve the problem of high price of protective plates, and achieve the effect of good protection effect, good protection effect and low cost

Inactive Publication Date: 2007-08-08
山东康宇防护屏蔽器材有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

But in recent years the use of 60 Co. 137 C s , 192 I r The medical equipment and industrial equipment that produce γ-rays for radioactive sources, nuclear scales for industrial measurement, and linear accelerators are increasing year by year, and the above-mentioned protective plates still have disadvantages such as high prices.

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  • Radiation protection material and method for making same

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Embodiment 1

[0030] Embodiment 1, a radiation protection board, including inorganic bonding materials, protective materials, and reinforcing materials, characterized in that: the weight ratio of each material is:

[0031] Adhesive material 1 Protective material 4 Reinforced material 0.3

[0032] The said binding material is a mixture of magnesium oxide and magnesium chloride in a weight ratio of 1:(0.5-1.2), and it can also be Portland cement or gypsum,

[0033] The protective material is a mixture of any two of refined iron powder, refined lead powder, barium powder, and borax in a weight ratio of 1-3:2-5 or any three of them in a weight ratio of 1-5:1-5: A mixture of 1-5 parts by weight,

[0034] The reinforcing material is one or a mixture of glass fiber cloth, wire mesh or plastic window screening,

[0035] The refined iron powder is magnetic separation iron ore powder, and the refined lead powder is acid separation lead ore powder.

[0036] The barium powder is a crushed mixture of equal ...

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Abstract

The invention discloses a radiation protection sheet and its production methods as protection of X and gamma radiation, particle bombardment or particulate radiation, especially the protection that is characteristic of the materials. The radiation protection sheet uses the mixture of magnesia and magnesium chloride as bonding materials, the mixture of two or three in fine iron powder, fine lead power, barium powder, and borax as the protective material, the glass fiber as enhanced materials. The composite protective sheet is made of according to the weight ratio: the adhesive material 1, protective materials 2-6, and enhanced materials 0.3-0.5. The radiation protection sheet in the invention has good effects on protection of X-ray and gamma-ray-ray and other radiations. In addition, based on different requirements for protecting, the most cost-effective formula for the production of sheet can be determined. Its protective effects are good, and its cost is low. So, it can be applied to medical diagnosis or treatment of radiation protection, can also be used for industrial radiation detection and monitoring protection.

Description

Technical field [0001] The invention belongs to the protection of X, gamma radiation, particle radiation or particle bombardment, and is especially a protection characterized by material components. Background technique [0002] With the development of modern science, radiation as a new technology has been widely used in various fields of the national economy. In order to avoid the harm caused by these rays to the human body, research on radiation protection has been continuously developed. The traditional protective material is lead. Lead has a large specific gravity, poor mechanical properties, easily deformed, sags, and is not shockproof. It is very inconvenient to use, and the lack of lead resources is expensive. To solve the shortcomings of using lead as protection, CN1065149 discloses An X-ray protective plate and its production method. It uses high alumina cement, magnesium oxide, magnesium chloride and sodium silicate as inorganic binding materials, and uses lead oxide, l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21F1/02G21F1/00
Inventor 赵军
Owner 山东康宇防护屏蔽器材有限公司
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