阅读说明：本技术 一种无铅防护服 (Lead-free protective clothing ) 是由 夏云峰 李秋峰 包华勇 于 2020-06-09 设计创作，主要内容包括：本发明提供了一种无铅防护服,其由基体材料和防护材料制成,所述防护材料包括如下组分：a)、W和Co；b)、K、Na、Ca、Mg、Al、Si、Bi、Sb、Cu、Cr、Ti、Fe和Ni中的一种或多种。本发明提供的防护服采用无铅材料,防护服密度更小,更柔软,通过添加钨、钴和其他元素进行调节,使防护服具有优良的屏蔽性能。(The invention provides lead-free protective clothing, which is made of a base material and a protective material, wherein the protective material comprises the following components: a) w and Co; b) one or more of K, Na, Ca, Mg, Al, Si, Bi, Sb, Cu, Cr, Ti, Fe and Ni. The protective clothing provided by the invention adopts a lead-free material, has smaller density and is softer, and the protective clothing has excellent shielding performance by adding tungsten, cobalt and other elements for adjustment.)

1. A lead-free protective garment is made of a base material and a protective material, wherein the protective material comprises the following components:

a) w and Co;

b) one or more of K, Na, Ca, Mg, Al, Si, Bi, Sb, Cu, Cr, Ti, Fe and Ni.

2. The protective garment as in claim 1, wherein said matrix material is rubber or polyvinyl chloride.

3. The protective garment according to claim 1 or 2, characterized in that the content of the protective material is 10-30%, preferably 15-25% by weight of the total protective garment.

4. The protective garment according to any one of claims 1 to 3, wherein the protective material comprises the following components:

a) w and Co;

b) k, Na, Ca, Mg, Al, Si, Bi, Sb, Cu, Cr, Ti, Fe and Ni.

5. The protective garment according to any one of claims 1-4, characterized in that the protective material consists of W, Co, K, Na, Ca, Mg, Al, Si, Bi, Sb, Cu, Cr, Ti, Fe and Ni.

6. The protective garment according to any one of claims 1 to 5, characterized in that the protective material consists of, in parts by mass, 65 to 80 parts of W, 2 to 5 parts of K, 2 to 5 parts of Na, 1 to 3 parts of Ca, 2 to 3 parts of Mg, 1 to 3 parts of Al, 1 to 3 parts of Si, 2 to 4 parts of Bi, 3 to 5 parts of Sb, 2 to 3 parts of Cu, 3 to 5 parts of Cr, 1 to 3 parts of Ti, 20 to 30 parts of Co, 1 to 3 parts of Fe and 2 to 3 parts of Ni.

7. The protective garment according to any one of claims 1 to 6, wherein the protective garment has a density of 1.5 to 5.6g/cm³And/or the individual layer thickness is from 0.1 to 2.5mm, and/or the elongation is > 200%, and/or the tear strength is > 20 Kn/m.

8. The protective garment according to any one of claims 1 to 7, wherein the protective garment has a 100KV collimated radiation beam blocking ratio of above 60%.

9. Use of the protective garment according to any one of claims 1 to 8 for the prevention of chemical, biological, non-ionising radiation and ionising radiation.

Technical Field

The invention belongs to the technical field of protective clothing, and relates to lead-free protective clothing.

Background

With the social development and technological progress, the working environment of people is continuously improved, but some people are still in the dangerous environment of pollution and injury of toxic and harmful organisms, chemical substances and the like. The research and development in the field of protective clothing in China are relatively late compared with those in developed countries in Europe and America, at present, the commonly used protective clothing is lead protective clothing which is toxic, thick and heavy, and the wearing comfort is not good. Accordingly, there is a need in the art to provide a more flexible and lightweight protective garment.

Disclosure of Invention

In order to solve the defects of heavy weight and toxicity of the existing lead protective clothing, the invention provides the lead-free protective clothing which has good shielding effect, improves the defect of the toxic heavy weight of the existing protective clothing and has better use prospect.

According to a first aspect of the present invention, there is provided a lead-free protective garment made from a base material and a protective material, the protective material comprising the following components:

a) w and Co;

b) one or more of K, Na, Ca, Mg, Al, Si, Bi, Sb, Cu, Cr, Ti, Fe and Ni.

According to a preferred embodiment of the invention, the matrix material is rubber or polyvinyl chloride.

According to a preferred embodiment of the invention, the protective material is present in an amount of 10% to 30%, preferably 15% to 25%, by weight of the total protective garment.

According to a preferred embodiment of the invention, the protective material consists of:

a) w and Co;

b) one or more of K, Na, Ca, Mg, Al, Si, Bi, Sb, Cu, Cr, Ti, Fe and Ni.

According to a preferred embodiment of the invention, the protective material consists of W, Co, K, Na, Ca, Mg, Al, Si, Bi, Sb, Cu, Cr, Ti, Fe and Ni.

According to a preferred embodiment of the present invention, the protective material consists of, in parts by mass, 65 to 80 parts of W, 2 to 5 parts of K, 2 to 5 parts of Na, 1 to 3 parts of Ca, 2 to 3 parts of Mg, 1 to 3 parts of Al, 1 to 3 parts of Si, 2 to 4 parts of Bi, 3 to 5 parts of Sb, 2 to 3 parts of Cu, 3 to 5 parts of Cr, 1 to 3 parts of Ti, 20 to 30 parts of Co, 1 to 3 parts of Fe and 2 to 3 parts of Ni.

In the protective material, in parts by mass, W is 65 to 80 parts, for example, 65 parts, 68 parts, 70 parts, 72 parts, 75 parts, 78 parts, 80 parts and any parts therebetween, preferably 70 to 78 parts; k is 2-5 parts, such as 2 parts, 3 parts, 4 parts, 5 parts and any parts in between; na is 2-5 parts, such as 2 parts, 3 parts, 4 parts, 5 parts and any parts between them; ca is 1-3 parts, for example, 1 part, 2 parts, 3 parts and any parts between them; mg is 2-3 parts, for example 2 parts, 2.5 parts, 3 parts and any parts between them; a1 is 1-3 parts, for example, 1 part, 2 parts, 3 parts and any part therebetween; si is 1-3 parts, such as 1 part, 2 parts, 3 parts and any parts between the parts; bi is 2-4 parts, such as 2 parts, 2.5 parts, 3 parts, 4 parts and any parts between the parts; sb is 3-5 parts, for example, 3 parts, 4 parts, 5 parts and any parts therebetween; 2-3 parts of Cu, such as 2 parts, 2.5 parts, 3 parts and any parts in between; 3-5 parts of Cr, such as 3 parts, 4 parts, 5 parts and any parts among the parts; 1-3 parts of Ti, such as 1 part, 2 parts, 3 parts and any part in between; the Co is 20-30 parts, for example, 20 parts, 22 parts, 24 parts, 26 parts, 28 parts, 30 parts and any parts between them, preferably 22-26 parts; fe is 1-3 parts, such as 1 part, 2 parts, 3 parts and any parts in between; ni is 2-3 parts, and can be 2 parts, 2.5 parts, 3 parts and any parts between the two parts.

According to a preferred embodiment of the invention, the protective garment according to the invention has a density of 1.5 to 5.6g/cm³For example, it may be 1.5g/cm³、2.0g/cm³、2.5g/cm³、3.0g/cm³、3.5g/cm³、4.0g/cm³、4.5g/cm³、5.0g/cm³、5.5g/cm³、5.6g/cm³And any value in between. The protective material does not use lead, so that the density of the protective clothing can be greatly reduced, and the comfort of the material is improved.

According to a preferred embodiment of the invention, the individual layer thickness of the protective garment is 0.1-2.5 mm.

According to a preferred embodiment of the invention, the elongation of the protective garment is > 200%.

According to a preferred embodiment of the invention, the tear strength of the protective garment is > 20 kN/m.

According to a preferred embodiment of the present invention, the blocking rate of the 100KV collimated radiation beam of the protective clothing is above 60%, for example, 60%, 62%, 64%, 66%, 68%, 70%, 72%, 74%, 76%, 78%, 80%, 82%, 84%, 85% and any value therebetween, and can be up to above 85%.

According to another aspect of the present invention there is provided the use of a protective garment as described above for the protection against chemical, biological, non-ionising radiation and ionising radiation.

The protective clothing provided by the invention adopts a lead-free material, the protective performance of the material is adjusted by adding W, Co and other elements, and the protective clothing has a good shielding effect through the matching of the added protective elements.

Detailed Description

The present invention will be described in detail with reference to examples, but the present invention is not limited to the examples.