CN105513660B - Radiation-resistant gloves and preparation method thereof - Google Patents

Abstract

The invention belongs to the technical field of new materials, and in particular relates to a new type of anti-radiation material and gloves made of it. The material includes the following components in weight percent: nanometer bismuth trioxide: 55-73%; aluminum fluoride: 20% ‑35%; Lanthanum Trioxide: 3‑10%; Nano Tungsten Trioxide: 3‑10%; Fullerenol Nanoparticles: 1‑2%. The material is added to the raw materials of latex gloves to prepare radiation-proof gloves, which can maintain the softness and ductility of latex gloves and ensure the fineness and safety of workers' operations.

Description

Anti-radiation gloves and manufacturing method thereof

technical field

The invention belongs to the technical field of new materials, and in particular relates to a new type of anti-radiation material and gloves made of it.

Background technique

Ionizing radiation and radionuclides are widely used in industry, agriculture, medicine and scientific research. People need effective protection to reduce the harm of ionizing radiation when performing related work. Especially in the process of medical practice, the protection of practitioners and other professional personnel has attracted more and more attention. Among them, the occupational exposure generated in the practice of interventional radiology and nuclear medicine is a problem that needs to be addressed urgently.

During clinical interventional therapy, nuclear medicine diagnosis and treatment, on the one hand, fine hand manipulation is required, and on the other hand, they are directly exposed to ionizing radiation. How to protect the hands of professionals is very important. However, the protection for the hands of such workers is very limited at present. The main reason is that the traditional lead gloves are thick, not flexible enough and ductile, and cannot meet the requirements of fine operation. In addition, the harmfulness of lead is basically used Abandoned by front-line operators, the exposure dose to the hands of such professionals is high, which often exceeds the national standard; some hospitals with better medical conditions use protective gloves imported from abroad, although such gloves can meet fine operation and hand protection. Departmental conditions, but the price is expensive, and it cannot be popularized among all front-line operators.

In view of the above-mentioned defects, the designers are actively researching and innovating in order to create a new type of anti-radiation material and gloves made of it, so that it has more industrial value.

Contents of the invention

In order to solve the above-mentioned technical problems, the object of the present invention is to provide a new type of anti-radiation material and the gloves made of it. Softness and ductility, and good protection effect.

A novel anti-radiation material proposed by the present invention comprises the following components in weight percent:

Nano bismuth trioxide: 55-73%;

Aluminum fluoride: 20-35%;

Lanthanum trioxide: 3-10%;

Nano tungsten trioxide: 3-10%;

Fullerenol nanoparticles: 1-2%.

Further, the particle size of the nano-bismuth trioxide is 300-600nm, the particle size of the nano-tungsten trioxide is 300-600nm, and the particle size of the fullererol nanoparticles is 300-600nm.

The present invention also proposes a glove whose preparation raw materials include liquid natural rubber and the novel radiation protection material described in any one of claims 1 or 2, wherein the weight percentage of the novel radiation protection material is 30- 40%.

The preparation method of a kind of glove that the present invention proposes, comprises the following steps:

(1) Add the new anti-radiation material into the liquid natural rubber, and stir at 40-50°C for 1-2h;

(2) Cool down the mixture in step (1) to 21°C, immerse the glove mold in the mixture for 0.5-1h;

(3) After impregnation is completed, bake the glove mold at 116°C for 3-5 minutes, soak the mixture in step (2) for 30 minutes, bake at 116°C for 3-5 minutes, and then dry for 50 minutes;

(4) demoulding to obtain gloves.

By means of the above scheme, the present invention has at least the following advantages: the present invention proposes a novel anti-radiation material, and adds it to the raw material of latex gloves, and prepares a novel anti-radiation lead-free glove, which can It maintains the softness and ductility of latex gloves, and has a good radiation protection effect, avoids the hazards and toxicity of lead, and ensures the fineness and safety of the staff's hand operations.

The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly and implement them according to the contents of the description, the preferred embodiments of the present invention will be described in detail below.

detailed description

Below in conjunction with the examples, the specific implementation of the present invention will be further described in detail. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

Example 1

A novel anti-radiation material, comprising the following components in weight percent:

Nano bismuth trioxide: 55%;

Aluminum fluoride: 29%;

Lanthanum trioxide: 5%;

Nano tungsten trioxide: 10%;

Fullerenol nanoparticles: 1%.

Wherein, the particle size of nano-bismuth trioxide is 300nm, the particle size of nano-tungsten trioxide is 500nm, and the particle size of fullererol nanoparticles is 300nm, and the above-mentioned particle sizes are average particle sizes.

Preparation of gloves:

(1) Mixing the above-mentioned novel anti-radiation material with liquid natural rubber, wherein the weight percentage of the novel anti-radiation material is 35%, and stirred at 50° C. for 1 hour;

(2) Cool down the mixture in step (1) to 21°C, immerse the glove mold in the mixture for 0.5h;

(3) After the impregnation is completed, bake the glove mold at 116°C for 3 minutes, soak the mixture in step (2) for 30 minutes, bake at 116°C for 3 minutes, and then dry for 50 minutes;

(4) demoulding to obtain gloves.

After testing, the tensile strength of the finished glove obtained in this example is 23.0Mpa, and the elongation at break is 680%, which meets the requirements of ASTMD3578-01 Edition "Standard Specification for Latex Examination Gloves", and can effectively protect gamma and beta rays The damage caused by it can reach 60% shielding under the energy irradiation of 60KEV.

Example 2

A novel anti-radiation material, comprising the following components in weight percent:

Nano bismuth trioxide: 56%;

Aluminum fluoride: 35%;

Lanthanum trioxide: 4%;

Nano tungsten trioxide: 3%;

Fullerenol nanoparticles: 2%.

Wherein, the particle size of nano-bismuth trioxide is 500nm, the particle size of nano-tungsten trioxide is 300nm, the particle size of fullererol nanoparticles is 500nm, and the above-mentioned particle sizes are average particle sizes.

Preparation of gloves:

(1) Mixing the above-mentioned novel anti-radiation material and liquid natural rubber, wherein the weight percentage of the novel anti-radiation material is 30%, stirring at 45° C. for 1.5 h;

(2) Cool down the mixture in step (1) to 21°C, immerse the glove mold in the mixture for 1 hour;

(3) After impregnation is completed, bake the glove mold at 116°C for 5 minutes, soak the mixture in step (2) for 30 minutes, bake at 116°C for 5 minutes, and then dry for 50 minutes;

(4) demoulding to obtain gloves.

After testing, the tensile strength of the finished glove obtained in this example is 21.9Mpa, and the elongation at break is 650%, which meets the requirements of ASTMD3578-01 Edition "Standard Specification for Latex Examination Gloves", and can effectively protect gamma and beta rays The damage caused by it can reach 62% shielding under the energy irradiation of 60KEV.

Example 3

A novel anti-radiation material, comprising the following components in weight percent:

Nano bismuth trioxide: 73%;

Aluminum fluoride: 20%;

Lanthanum trioxide: 3%;

Nano tungsten trioxide: 3%;

Fullerenol nanoparticles: 1%.

Wherein, the particle size of nano-bismuth trioxide is 600nm, the particle size of nano-tungsten trioxide is 600nm, and the particle size of fullererol nanoparticles is 600nm, and the above-mentioned particle sizes are average particle sizes.

Preparation of gloves:

(1) Mixing the above-mentioned novel anti-radiation material and liquid natural rubber, wherein the weight percentage of the novel anti-radiation material is 40%, stirring at 40° C. for 2 hours;

(2) Cool down the mixture in step (1) to 21°C, immerse the glove mold in the mixture for 1 hour;

(3) After impregnation is completed, bake the glove mold at 116°C for 4 minutes, soak the mixture in step (2) for 30 minutes, bake at 116°C for 4 minutes, and then dry for 50 minutes;

(4) demoulding to obtain gloves.

After testing, the tensile strength of the finished glove obtained in this example is 22.4Mpa, and the elongation at break is 670%, which meets the requirements of ASTMD3578-01 "Standard Specification for Latex Examination Gloves", and can effectively protect against gamma and beta rays The damage caused by it can reach 65% shielding under the energy irradiation of 60KEV.

In summary, the present invention proposes a novel radiation-proof material, and adds it to the raw material of latex gloves to prepare a new type of radiation-proof lead-free gloves, which can maintain the softness and ductility of latex gloves , and the radiation protection effect is good, avoiding the harm and toxicity of lead, and ensuring the fineness and safety of the staff's hand operation.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. It should be pointed out that for those of ordinary skill in the art, some improvements can also be made without departing from the technical principle of the present invention. and modifications, these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (2)

1. A kind of 1. preparation method of gloves, it is characterised in that：Comprise the following steps：

   (1) radiation proof material that weight percentage is 30% is added in liquid natural rubber, 1.5h is stirred at 45 DEG C；

   (2) mixture of step (1) is cooled to 21 DEG C, glove mould is immersed in mixture, impregnate 1h；

   (3) after completing dipping, by mixture 30 minute of the glove mould in 116 DEG C of bakings 5 minutes, then soaking step (2), then Toast at 116 DEG C 5 minutes, then dry 50 minutes；

   (4) it is stripped, obtains gloves；

   Wherein described radiation proof material includes the component of following weight percentage：

   Nanometer bismuth oxide：56%；

   Aluminum fluoride：35%；

   Lanthanum oxide：4%；

   Nano tungsten trioxide：3%；

   Fullerol nanoparticle：2%；

   The particle diameter of the nanometer bismuth oxide is：500nm, the particle diameter of the nano tungsten trioxide are：300nm, the fowler The particle diameter of alcohol nanoparticle is：500nm.
2. A kind of 2. gloves, it is characterised in that：It is made as the preparation method described in claim 1.