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Medical radiation-proof material and preparation method thereof

A technology for radiation protection and raw materials, applied in the field of medical materials, can solve problems such as pollution and lack of good solutions, and achieve the effects of reducing environmental pollution, high promotion and application value, and strong practicability

Inactive Publication Date: 2019-11-12
湖南博隽生物医药有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above-mentioned patent successfully provides a radiation-proof material that can replace lead and has a good radiation-proof function, there is no good solution to the pollution problem of bremsstrahlung

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A medical anti-radiation material, made of the following raw materials in parts by weight: 30 parts of vinyl-terminated selenium-containing polyamide condensation polymers, 10 parts of ultra-high molecular weight polyethylene fibers, 5 parts of Bi-Pr-Y-O, graphene oxide 20 parts of coated metal powder, 1 part of azobisisobutyronitrile, 1 part of silane coupling agent KH5501.

[0030] The preparation method of the vinyl-terminated selenium-containing polyamide polycondensate comprises the following steps: 2,2'-selenodibenzoic acid, 2,5-thiophene dicarboxylic acid, 4,4'-diaminobenzene Anilide and phosphonothioate were dissolved in dimethyl sulfoxide to form a solution, and then the solution was added to the reaction kettle, and the air in the kettle was replaced with nitrogen, and the reaction was carried out at 100°C under normal pressure for 3 hours, and then the temperature was raised to 230°C. Carry out polycondensation reaction at 100Pa for 18 hours, then cool to roo...

Embodiment 2

[0035] A medical anti-radiation material, made of the following raw materials in parts by weight: 35 parts of vinyl-terminated selenium-containing polyamide condensation polymers, 12 parts of ultra-high molecular weight polyethylene fibers, 6 parts of Bi-Pr-Y-O, graphene oxide 23 parts of coated metal powder, 1.5 parts of azobisisoheptanonitrile, and 1.5 parts of silane coupling agent KH560.

[0036] The preparation method of the vinyl-terminated selenium-containing polyamide polycondensate comprises the following steps: 2,2'-selenodibenzoic acid, 2,5-thiophene dicarboxylic acid, 4,4'-diaminobenzene Dissolve anilide and phosphorous acid in N,N-dimethylformamide to form a solution, then add the solution to the reaction kettle, replace the air in the kettle with helium, react at 103°C for 3.5 hours under normal pressure, and then raise the temperature to 235°C ℃, polycondensation reaction at 150Pa for 19 hours, then cooled to room temperature, adjusted to normal pressure, and th...

Embodiment 3

[0041] A medical anti-radiation material, made of the following raw materials in parts by weight: 40 parts of vinyl-terminated selenium-containing polyamide condensation polymers, 15 parts of ultra-high molecular weight polyethylene fibers, 7 parts of Bi-Pr-Y-O, graphene oxide 25 parts of coated metal powder, 2 parts of azobisisobutyronitrile, 2 parts of silane coupling agent KH570.

[0042] The preparation method of the vinyl-terminated selenium-containing polyamide polycondensate comprises the following steps: 2,2'-selenodibenzoic acid, 2,5-thiophene dicarboxylic acid, 4,4'-diaminobenzene Anilide and thiophosphoramide were dissolved in N-methylpyrrolidone to form a solution, and then the solution was added to the reaction kettle, and the air in the kettle was replaced with neon gas, and the reaction was carried out at 105°C under normal pressure for 4 hours, and then the temperature was raised to 240°C. Carry out polycondensation reaction at 200Pa for 20 hours, then cool to ...

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PUM

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Abstract

The invention discloses a medical radiation-proof material. The medical radiation-proof material is characterized by being prepared from the following raw materials in parts by weight: 30-50 parts ofvinyl-terminated selenium-containing polyamide polycondensate, 10-20 parts of ultra-high molecular weight polyethylene fibers, 5-10 parts of Bi-Pr-Y-O, 20-30 parts of graphene oxide coated metal powder, 1-3 parts of an initiator and 1-3 parts of a coupling agent. The invention further discloses a preparation method of the medical radiation-proof material. The medical radiation-proof material disclosed by the invention has a remarkable radiation-proof effect and the large bremsstrahlung reduction rate, and is free of pollution and good in mechanical property and weather resistance.

Description

technical field [0001] The invention relates to the technical field of medical materials, in particular to a medical radiation protection material and a preparation method thereof. Background technique [0002] With the modernization of science and technology, nuclear energy has been widely used in production, scientific research, medical treatment and other aspects, and is closely related to people's daily life. In medical examination and treatment technology, radioactive instruments are used in the examination and treatment of certain malignant diseases. The use of these instruments improves the diagnosis rate and treatment rate of diseases, but they produce various rays. The radiation of these rays It will cause harm to normal tissues, increase the incidence of malignant tumors, leukemia, degenerative nervous system diseases, cardiovascular diseases, reproductive system lesions and other diseases, and can cause biological cell mutations, hematopoietic function deficiency,...

Claims

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Application Information

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IPC IPC(8): C08L77/00C08L23/06C08K13/06C08K9/10C08K9/06C08K3/08C08K3/04C08K3/22C08G69/48G21F1/10
CPCC08G69/48C08K2003/0812C08K2003/085C08L77/00C08L2205/16G21F1/10C08L23/06C08K13/06C08K9/10C08K9/06C08K3/08C08K3/042C08K3/22
Inventor 邓生卫邓小鹏
Owner 湖南博隽生物医药有限公司
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