Novel lead-free X-ray protection material and preparation method and application thereof

Abstract

The invention discloses a novel lead-free X-ray protection material and a preparation method and an application thereof. The novel lead-free X-ray protection material comprises a base material and coatings arranged on two sides of the base material in a coating manner, the base material is an X-ray protection fiber net layer, and the coatings are prepared from the following components in parts by weight: 1-2 parts of SEBS synthetic rubber, 2-4 parts of white oil, 7-8 parts of bismuth trioxide, 0.01-0.1 part of ethylene bisstearamide, 0.01-0.02 part of tetra-[beta-(3, 5-ditertbutyl-4-hydroxy-phenyl)-propionic acid]-pentaerythritol ester, 0.01-0.03 part of tri [2,4-ditertbutyl-phenyl]-phosphite, 1-3 parts of TPU resin and 0.5-0.8 part of industrial toner. The novel lead-free X-ray protective material is used for manufacturing medical protective clothing, protective gloves, home protective clothing and maternity clothes, the material is free of carcinogenicity, the anti-tensile effect of the material is improved, the anti-deformation performance of the material is bettered, and the protection effect of the protection material is improved by spraying particles.

Description

technical field [0001] The invention relates to the technical field of new materials, in particular to a new lead-free X-ray protective material and its preparation method and application. Background technique [0002] Ionizing radiation is widely used in the field of medical diagnosis and treatment, industrial and agricultural production and scientific research, especially in the field of medical diagnosis and treatment, the application of X-rays is particularly common, and a large number of patients and radiology medical technicians are inevitably exposed to X-rays. The damage of cell tissue has caused a large number of people to be exposed to potential radiation hazards, so relevant personnel must take effective radiation protection measures. [0003] At present, in the practice of hospital diagnosis and treatment, the most common radiation protection measure is to wear various radiation protection products, including radiation protection clothing and hats, scarves, apron...

AI Technical Summary

Problems solved by technology

However, 1. The lanthanide elements mainly come from rare earth mining. As we all know, the pollution of rare earth mining is extremely serious, even accompanied by the pollution of radioactive substances such as thorium and uranium. Therefore, the Chinese government has gradually adopted strong control measures in rare earth mining; 2. Lanthanum The chemical properties of mixtures of lanthanide elements are very similar to each other, and the cost of separating and purifying them is very high, so many lanthanide elements in radiation protection materials are mixtures. However, many lanthanide elements compounds are toxic, and some Even highly toxic, such as Chu Haiyan et al. reported in the "Journal of Agricultural Environmental Sciences" that lanthanum in aqueous solution and soil has high biological toxicity and increases with the increase of concentration, while lanthanum nitrate is a highly toxic substance

Therefore, the use of mixed lanthanide materials may lead to secondary pollution of the environment and potential human injury; the authorized patent CN201510969259.1 adds lanthanum trioxide and tungsten trioxide to the rubber, and the mining of the above rare earth elements also exists Pollution and re-hazard problems during use, and there are serious pollution problems of methane total hydrocarbons, hydrogen sulfide, sulfur dioxide and other toxic gases in the rubber vulcanization production process

[0006] Obviously, we cannot use a serious new pollution to solve the pollution of lead products. Such a method cannot achieve the purpose of environmental protection. In essence, it creates pollution instead of solving the pollution problem.

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