WO2020082684A1 - 一种x射线防护布料及x射线防护服 - Google Patents

一种x射线防护布料及x射线防护服 Download PDF

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Publication number
WO2020082684A1
WO2020082684A1 PCT/CN2019/079243 CN2019079243W WO2020082684A1 WO 2020082684 A1 WO2020082684 A1 WO 2020082684A1 CN 2019079243 W CN2019079243 W CN 2019079243W WO 2020082684 A1 WO2020082684 A1 WO 2020082684A1
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Prior art keywords
cloth
nano
ray protective
ray
scale
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PCT/CN2019/079243
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English (en)
French (fr)
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梁丹峰
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上海都浩纺织品有限公司
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Publication of WO2020082684A1 publication Critical patent/WO2020082684A1/zh

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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
    • G21F3/02—Clothing
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00—Shielding characterised by the composition of the materials
    • G21F1/12—Laminated shielding materials

Definitions

  • the invention relates to the field of medical supplies, in particular to an X-ray protective cloth and X-ray protective clothing.
  • X-ray protective clothing is a necessary equipment for hospitals or laboratories for surgery or experiments under X-ray conditions, which can protect medical personnel and important parts of patients to a greater extent.
  • X-ray protective clothing usually uses two layers of fabric and lead rubber in the middle layer.
  • the thickness of the lead rubber is 3-5mm.
  • the lead in the lead rubber is a toxic substance, and there is a big hidden danger in safety after long-term use;
  • the weight of lead rubber is heavier.
  • An ordinary surgical gown is about 18 pounds, and the texture of lead rubber is hard and not breathable.
  • a doctor under a surgical gown with a load of 18 pounds When the body is in an airtight environment and the operation is performed for a few hours, the final result is: because the doctor is overworked and tired after the operation is completed or the operation is not completed, this kind of thing happens frequently;
  • Chinese Patent 201480079286.5 discloses a composition for radiation shielding and a manufacturing method thereof, which specifically relates to a textile composite for radiation shielding, including: a fabric; and a radiation shielding plate formed on the textile, wherein The composition of the radiation shielding plate is formed by mixing resin, metal powder, metal oxide powder, etc., and then bonded to the textile through the adhesive layer.
  • Applicants can obtain the following information based on the documents:
  • X-ray protection is radiation shielding plate.
  • the textile itself it does not have X-ray protection function, that is to say, this document uses shielding plate to replace lead rubber to prevent X-ray effect;
  • the shielding board itself has become thinner, it also has a certain degree of flexibility, breathability, and light weight, but it must be pasted through the adhesive layer (or adhesive layer) and on the opposite inner sides of the two layers of textiles. As a result, the structure forming the textile composite becomes thicker, and the adhesive layer is easily damaged during high temperature and cleaning, resulting in a very low service life of the textile composite.
  • the purpose of the present invention is to provide a brand new X-ray protective fabric which is light, soft, washable, sterilizable, thin and easy to use.
  • the present invention also provides an X-ray protective suit, which greatly reduces the weight of the garment under the premise of meeting the anti-X-ray function, and is breathable, foldable, washable, and sterilizable at a temperature above 180 ° C.
  • an X-ray protective cloth including a base layer and a protective coating provided on at least one of the front and back sides of the base layer, the base layer is attached with metal oxide particles
  • the silk is woven
  • the protective coating is a resin coating with the metal oxide particles
  • the metal oxide particles include nano-scale tantalum oxide particles and nano-scale tungsten oxide particles.
  • the X-ray protective cloth adopts the following production steps:
  • the metal immersion liquid includes the following components by weight percentage: 2-5% nano-scale tantalum oxide, 2-5% nano-scale tungsten oxide, and 90-96% auxiliary Liquid, in which auxiliary liquid is alcohol solvent;
  • the coating includes the following components by weight percentage: 5-15% nano-scale tantalum oxide, 5-15% nano-scale tungsten oxide, and 70-90 % Resin
  • the metal immersion liquid in step 1) includes the following components by weight percentage: 3% nano-scale tantalum oxide, 3% nano-scale tungsten oxide, and 94% auxiliary liquid.
  • step 1) the single thread is immersed in the thread through the immersion tank, the immersion temperature is 220-240 ° C, and the immersion time is 20-30h.
  • the air-drying method in step 2) is natural air-drying at normal temperature.
  • the metal immersion liquid in step 5) includes the following components by weight percentage: 10% nano-scale tantalum oxide, 10% nano-scale tungsten oxide, and 80% resin.
  • the drying temperature in step 5 is 150-250 ° C, and the drying time is 8-15s.
  • the thickness of the protective coating is 0.2-1 mm.
  • the weave of the base layer is interwoven.
  • An X-ray protective clothing made of the above-mentioned X-ray protective cloth.
  • the X-ray protective protective clothing is a surgical gown, and the thickness of the cloth is 0.5-1.3 mm, wherein under the test of the X-ray tube voltage of 150 KV, the lead equivalent of the cloth is 0.16-0.5 mmPb.
  • the weight of cloth per square meter is 540-1500g. That is to say, an ordinary surgical gown needs a fabric of about 2.5m 2 and a weight of about 1350 ⁇ 3750g (that is, 2.7kg ⁇ 7.5kg). According to the current operation routine requirements, the lead equivalent meets the use requirement of 0.35mmPb.
  • the weight of a common surgical gown is about 5-7 kg. Therefore, compared with the lead rubber of the prior art, the load of the doctor is greatly reduced.
  • the present invention has the following advantages compared with the prior art:
  • the invention attaches nano-scale tantalum and tungsten oxide particles to the silk thread, and the surface of the cloth woven with the silk thread is provided with a coating of nano-scale tantalum and tungsten oxide, the cloth has extremely strong shielding X-rays ability. At the same time, due to the thin coating thickness, the fabric has light and soft performance. When the fabric is made into an X-ray protective clothing, it has the advantages of easy cleaning, comfortable wearing, breathability, waterproof, antibacterial and so on.
  • Embodiment 1 X-ray protective cloth, which includes a base layer and a protective coating provided on one side of the front and back sides of the base layer, wherein the base layer is formed by interweaving wires attached with metal oxide particles (in this embodiment, the wires are as low as 300D The thickness of the spun silk, which is woven into a cloth is about 0.3mm), the protective coating is a resin coating with metal oxide particles, the metal oxide particles include nano-scale tantalum oxide particles and nano-scale tungsten oxide particles.
  • the wire is immersed in a single wire through the immersion metal immersion liquid.
  • the immersion temperature is 230 ⁇ 5 °C, and the time is 25 ⁇ 1h.
  • the metal immersion liquid includes the following components by weight percentage: 2% nanoscale tantalum Oxide, 2% nano-scale tungsten oxide and 96% auxiliary liquid (in this application, the auxiliary liquid uses alcohol solvent and adds a certain amount of pu polyurethane, silicone and other stabilizers to reduce precipitation); 2) after soaking The yarn is naturally dried at normal temperature and wound into a roll;
  • the coating includes the following components by weight percentage: 5% nano-scale tantalum oxide, 5% nano-scale tungsten oxide and 90% Resin
  • Dry the protective coating on the surface of the fabric is 200 ⁇ 5 °C, the drying time is 8-15s, and it is wound into a roll and placed naturally cooled to normal temperature to form the finished fabric.
  • the weight and lead equivalent of different finished fabrics formed with a coating thickness of 0.2 to 1.0 mm are measured.
  • the length ⁇ width of the test sample is 1 m ⁇ 1 m, and the lead equivalent is performed under the condition of an X-ray tube voltage of 150 KV
  • the test results are shown in Table 1.
  • the lead equivalent needs to reach 0.35mmPb. Therefore, if the finished cloth of this embodiment is used to make a surgical gown, the thickness of the corresponding finished cloth is 1.3 under the premise of meeting the lead equivalent requirements. mm, the weight per square meter is 1324g, that is, the total weight of the surgical gown made of the finished fabric is about 3310g (that is, 6.62 kg).
  • Embodiment 2 The X-ray protective cloth involved in this embodiment has the same structure as Embodiment 1, except that:
  • This implementation has the following differences in the production steps of X-ray protective cloth:
  • the metal immersion liquid includes the following components by weight percentage: 3% nano-scale tantalum oxide, 3% nano-scale tungsten oxide and 94% auxiliary liquid;
  • the coating includes the following components by weight percentage: 10% nano-scale tantalum oxide, 10% nano-scale tungsten oxide and 80% resin.
  • the weight and lead equivalent of different finished fabrics formed with a coating thickness of 0.2 to 1.0 mm are measured.
  • the length ⁇ width of the test sample is 1 m ⁇ 1 m, and the lead equivalent is performed under the condition of an X-ray tube voltage of 150 KV The results of the test are shown in Table 2.
  • the lead equivalent needs to reach 0.35mmPb. Therefore, if the finished fabric of this embodiment is used to make a surgical suit, the thickness of the corresponding finished fabric is 0.9 under the premise of meeting the lead equivalent requirements. mm, the weight per square meter is 1029g, that is, the total weight of the surgical gown made of the finished fabric is about 2573g (that is, 5.15 kg).
  • Embodiment 3 The X-ray protective cloth involved in this embodiment has the same structure as Embodiment 1, except that:
  • This implementation has the following differences in the production steps of X-ray protective cloth:
  • the metal immersion liquid includes the following components by weight percentage: 5% nano-scale tantalum oxide, 5% nano-scale tungsten oxide, and 90% auxiliary liquid;
  • the coating includes the following components by weight percentage: 15% nano-scale tantalum oxide, 15% nano-scale tungsten oxide and 70% resin;
  • the weight and lead equivalent of different finished fabrics formed with a coating thickness of 0.2 to 1.0 mm are measured.
  • the length ⁇ width of the test sample is 1 m ⁇ 1 m, and the lead equivalent is performed under the condition of an X-ray tube voltage of 150 KV The results of the test are shown in Table 3.
  • the lead equivalent needs to reach 0.35mmPb. Therefore, if the finished fabric of this embodiment is used to make a surgical suit, the thickness of the corresponding finished fabric is 0.9 under the premise of meeting the lead equivalent requirements. mm, the weight per square meter is 1048g, that is, the total weight of the surgical gown made of the finished fabric is about 2620g (that is, 5.24 kg).
  • This comparative example was implemented according to Example 1 of patent 201480079286.5, and the thickness of the corresponding coating was 0.2 to 1.0 mm, and then dried and hardened at 130 ° C. for 50 seconds to form a textile composite for radiation shielding, that is, formed Finished fabrics of different thickness.
  • the finished fabric with a length ⁇ width of 1 m ⁇ 1 m was intercepted for weight and lead equivalent testing.
  • the lead equivalent was also tested under the condition of an X-ray tube voltage of 150 KV. The results are shown in Table 4.
  • the lead equivalent needs to reach 0.35mmPb. Therefore, if the finished cloth of this comparative example is used to make a surgical gown, the thickness of the corresponding finished cloth is 1.9 on the premise of meeting the lead equivalent requirements. mm, the weight per square meter is 2020g, that is, the total weight of the surgical gown made of the finished fabric is about 5050g (that is, 10.1 kg).
  • this comparative example is basically the same as that of Example 1. The difference is that the silk thread is not immersed in the metal immersion liquid, the silk thread is interwoven into a fabric, and then coatings of different thicknesses are formed on the surface of the fabric to form finished fabrics of different thickness . Then cut the finished fabric with a length ⁇ width of 1m ⁇ 1m for weight and lead equivalent testing. The lead equivalent was tested under the X-ray tube voltage of 150KV. The results are shown in Table 5.
  • the lead equivalent needs to reach 0.35mmPb. Therefore, if the finished cloth of this comparative example is used to make a surgical gown, the thickness of the corresponding finished cloth is 1.7 on the premise of meeting the lead equivalent requirements mm, the weight per square meter is 1780g, that is, the total weight of the surgical gown made of the finished fabric is about 4984g (that is, 9.97 kg).
  • the metal immersion liquid includes the following components by weight percentage: 1% nano-scale tantalum oxide, 1% nano-scale tungsten oxide and 98% auxiliary liquid;
  • the coating includes the following components by weight percentage: 18% nano-scale tantalum oxide, 20% nano-scale tungsten oxide and 62% resin.
  • the finished fabric with a length ⁇ width of 1m ⁇ 1m is also intercepted for weight and lead equivalent testing, in which the lead equivalent is tested under the condition of an X-ray tube voltage of 150KV.
  • the results are shown in Table 6.
  • the lead equivalent needs to reach 0.35 mmPb. Therefore, if the finished cloth of this comparative example is used to make a surgical gown, the thickness of the corresponding finished cloth is 1 mm under the premise of meeting the lead equivalent requirements
  • the weight per square meter is 1670g, that is, the total weight of the surgical gown made of the finished fabric is about 4175g (that is, 9.97 kg).
  • the X-ray shielding ability of the finished cloth in this application is a combination of two aspects: 1.
  • the cloth formed after the silk threads are interwoven; 2.
  • the coating on the cloth surface. Therefore, the thickness of the finished fabric is about 1mm, that is, it can meet the use requirement of 0.35mmPb lead equivalent, and the weight is 5-7 kg.
  • the traditional lead rubber no matter in terms of thickness, weight, breathability, etc. , There are qualitative changes.
  • the finished fabric has a thickness that is not much different, but compared with the weight, this application obviously has a certain advantage, then the fabric of this application can be sterilized at high temperature (above 180 °C), and composite At high temperatures, the adhesive layer will change. Therefore, the comfort and service life of the surgical gown cannot be comparable to this application. At the same time, the cleaning is also not as good as the finished fabric of this application.
  • the core of this application lies in: 1. the composition ratio of the metal immersion liquid and the coating; 2. the forming process steps of the cloth. That is to say, there is a specific relationship between the two. At the same time, only by using the combination of the two can we obtain the application of shielding X-rays, waterproof and blood-proof, breathable and moisture permeable, antibacterial, antistatic, soft Breathable, washable, sterilizable (above 180 °C), and can be folded and stored easily.
  • this application does not limit the use of the finished fabrics to surgical gowns in hospitals, for example, some laboratory clothing can also be used.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

一种X射线防护布料，该布料包括基层和设置在所述基层正反两面中的至少一面的防护涂层，基层为附着金属氧化物粒子的丝线纺织而成，所述防护涂层为具有所述金属氧化物粒子的树脂涂层，金属氧化物粒子包括纳米级的钽氧化物粒子和纳米级的钨氧化物粒子，由于将纳米级的钽、钨氧化物粒子附着在丝线上，并在丝线纺织成的布表面设置了具有纳米级的钽、钨氧化物的涂层，使得布料具有极强的屏蔽X射线能力。且由于涂层厚度较薄，使得布料具有轻盈柔软的性能。一种由上述布料制成的X射线防护服，该布料制成的X射线防护服具有易清洗、穿着舒适、透气、防水、抗菌等优点。

Description

一种X射线防护布料及X射线防护服 技术领域
本发明涉及医疗用品领域，特别是一种X射线防护布料及X射线防护服。
背景技术
X射线防护服是医院或实验室，在X射线条件下手术或实验的必要装备，能够较大程度的保护医务人员和患者的重要部位。
以医院为例，通常X射线防护服采用两层面料、以及位于中间层的铅胶皮，其中铅胶皮的厚度在3-5mm。虽然，该防护服能够达到防护效果，但是其存在以下技术缺陷：
1)、铅胶皮中的铅属于有毒物质，长期使用，安全性存在很大的隐患；
2)、铅胶皮的重量较重，普通的一件手术服大概18斤左右，而且铅胶皮的质地较硬，也不透气，试想一下，一位医生，在负载18斤的手术服下，同时身体处于不透气的环境下，做手术几个小时，其最终的结果是：因医生过渡劳累，手术完成后或手术未完成就累倒了，这种事情频繁发生；
3)、铅胶皮不能折叠，因此，放置和消毒都存在明显的缺陷。
因此，针对上述缺陷，中国专利201480079286.5公开了辐射屏蔽用的组合物以及其制造方法，其具体涉及的辐射屏蔽用纺织物复合体，包括：织物；以及形成在纺织物上的辐射屏蔽板，其中辐射屏蔽板的组合物由树脂、金属粉末、金属氧化物粉末等混合而成，然后通过粘接层粘合在纺织物上。申请人根据文件可获取以下信息：
1)、实现防X射线功能的主要是辐射屏蔽板，至于纺织物本身而言，其是不具备防X射线功能的，也就是说，该文件就是采用屏蔽板来替换铅胶皮，以实现防X射线效果；
2)、虽然屏蔽板本身变薄了，也具有一定的柔软性，透气，重量轻，但是其必须通过粘接层(或者背胶层)贴合和在两层纺织物的相对内侧面，这样一来，形成纺织物复合体结构变厚了，而且粘接层在高温和清洗过程中容易损坏，造成纺织物复合体的使用寿命非常低。
因此，目前市场上急需一种轻盈柔软、可清洗、可消毒、厚度薄、使用方便的X射线防护布料。
发明内容
本发明的目的是提供一种全新的轻盈柔软、可清洗、可消毒、厚度薄、使用方便的X射线防护布料。
同时本发明还提供一种X射线防护服，其在满足防X射线功能前提下，大幅度减轻服装的重量，同时可透气、可随意折叠、可清洗、可在180℃以上的温度下消毒。
为达到上述目的，本发明采用的技术方案是：一种X射线防护布料，其包括基层和设置在所述基层正反两面中的至少一面的防护涂层，所述基层为附着金属氧化物粒子的丝线纺织而成，所述防护涂层为具有所述金属氧化物粒子的树脂涂层，所述金属氧化物粒子包括纳米级的钽氧化物粒子和纳米级的钨氧化物粒子。
优选地，所述X射线防护布料采用以下生产步骤：
1)将丝线在金属浸泡液中浸泡，该金属浸泡液按重量百分比包括以下组分：2-5％纳米级的钽氧化物、2-5％纳米级的钨氧化物和90-96％辅助液，其中辅助液为醇类溶剂；
2)将浸泡后的丝线风干，并卷绕成卷；
3)采用烘干后的丝线纺织成布，并进行抗菌和染色处理；
4)在布料表面涂覆胶状的防护涂层，该涂层按重量百分比包括以下组分：5-15％纳米级的钽氧化物、5-15％纳米级的钨氧化物和70-90％树脂；
5)烘干布料表面的防护涂层，并卷绕成卷。
进一步优选地，步骤1)中金属浸泡液按重量百分比包括以下组分：3％纳米级的钽氧化物、3％纳米级的钨氧化物和94％辅助液。
进一步优选地，步骤1)中以单根丝线通过浸泡池的方式浸泡丝线，其浸泡温度为220-240℃，浸泡时为20-30h。
进一步优选地，步骤2)中的风干方式为在常温下自然风干。
进一步优选地，步骤5)中金属浸泡液按重量百分比包括以下组分：10％纳米级的钽氧化物、10％纳米级的钨氧化物和80％树脂。
进一步优选地，步骤5)中的烘干温度为150-250℃，烘干时间为8-15s。
优选地，所述防护涂层的厚度为0.2-1mm。
优选地，基层的纺织方式为交织。
一种X射线防护服，其采用上述的X射线防护布料制成。
优选地，X射线防护护服为手术服，且布料的厚度为0.5～1.3mm，其中在X射线管电压为150KV测试下，布料的铅当量为0.16～0.5mmPb。
优选地，布料每平方米的重量为540～1500g。也就是说，普通的一件手术服，其需要的面料约2.5m 2，其重量约1350～3750g(也就是2.7斤～7.5斤)。根据目前手术常规要求铅当量满足0.35mmPb的使用要求而言，普通的一件手术服重量约为5～7斤，因此，与现有技术的铅胶皮相比，大幅度减轻医生的负载。
由于上述技术方案运用，本发明与现有技术相比具有下列优点：
由于本发明将纳米级的钽、钨氧化物粒子附着在丝线上，并在丝线纺织成的布表面设置了具有纳米级的钽、钨氧化物的涂层，使得布料具有极强的屏蔽X射线能力。同时，由于涂层厚度较薄，使得布料具有轻盈柔软的性能，当布料被制作成为X射线防护服后具有易清洗、穿着舒适、透气、防水、抗菌等优点。
具体实施方式
为使本申请的上述目的、特征和优点能够更加明显易懂，以具体实施方式对本申请做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本申请。但是本申请能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本申请内涵的情况下做类似改进，因此本申请不受下面公开的具体实施例的限制。
实施例一：X射线防护布料，其包括基层和设置在基层正反两面中的一面的防护涂层，其中基层为附着金属氧化物粒子的丝线交织而成(本实施例中丝线为300D的低弹丝，纺织成布后的厚度约为0.3mm)，防护涂层为具有金属氧化物粒子的树脂涂层，金属氧化物粒子包括纳米级的钽氧化物粒子和纳米级的钨氧化物粒子。
本例中，X射线防护布料的生产步骤如下：
1)将丝线以单根丝线通过浸金属浸泡液中浸泡，其浸泡温度为230±5℃，浸泡时为25±1h，该金属浸泡液按重量百分比包括以下组分：2％纳米级的钽氧化物、2％纳米级的钨氧化物和96％辅助液(本申请中辅助液采用醇类溶剂并添加一定量pu聚氨酯、有机硅之类的稳定剂以减少沉淀)；2)将浸泡后的丝线在常温下自然风干，并卷绕成卷；
3)采用烘干后的丝线纺织成布，并进行抗菌和染色处理；
4)在布料表面涂覆胶状的防护涂层，并形成不同厚度，该涂层按重量百分比包括以下组分：5％纳米级的钽氧化物、5％纳米级的钨氧化物和90％树脂；
5)烘干布料表面的防护涂层，烘干温度为200±5℃，烘干时间为8-15s，并卷绕成卷，放置自然冷却至常温，形成成品布料。
本实施例，以0.2～1.0mm涂层厚度所形成的不同成品布料进行重量和铅当量检测，其中检测试样的长×宽为1m×1m，铅当量在X射线管电压为150KV条件下进行测试，其结果如表一所示。
表一
Figure PCTCN2019079243-appb-000001
根据目前医院手术服屏蔽X射线的能力要求，铅当量需要达到0.35mmPb，因此，若采用本实施例的成品布料制成手术服，在满足铅当量要求前提下，其对应成品布料的厚度为1.3mm，每平方米的重量为1324g，即，由该成品布料制成的手术服，其总重量约为3310g(也就是6.62斤)。
实施例二：本实施涉及的X射线防护布料，其结构与实施例1完全相同，不同之处在于：
本实施在X射线防护布料的生产步骤中，具有以下不同之处：
1)、金属浸泡液按重量百分比包括以下组分：3％纳米级的钽氧化物、3％纳米级的钨氧化物和94％辅助液；
2)、涂层按重量百分比包括以下组分：10％纳米级的钽氧化物、10％纳米级的钨氧化物和80％树脂。
本实施例，以0.2～1.0mm涂层厚度所形成的不同成品布料进行重量和铅当量检测，其中检测试样的长×宽为1m×1m，铅当量在X射线管电压为 150KV条件下进行测试，其结果如表二所示。
表二
Figure PCTCN2019079243-appb-000002
根据目前医院手术服屏蔽X射线的能力要求，铅当量需要达到0.35mmPb，因此，若采用本实施例的成品布料制成手术服，在满足铅当量要求前提下，其对应成品布料的厚度为0.9mm，每平方米的重量为1029g，即，由该成品布料制成的手术服，其总重量约为2573g(也就是5.15斤)。
实施例三：本实施涉及的X射线防护布料，其结构与实施例1完全相同，不同之处在于：
本实施在X射线防护布料的生产步骤中，具有以下不同之处：
1)、金属浸泡液按重量百分比包括以下组分：5％纳米级的钽氧化物、5％纳米级的钨氧化物和90％辅助液；
2)、涂层按重量百分比包括以下组分：15％纳米级的钽氧化物、15％纳米级的钨氧化物和70％树脂；
本实施例，以0.2～1.0mm涂层厚度所形成的不同成品布料进行重量和铅当量检测，其中检测试样的长×宽为1m×1m，铅当量在X射线管电压为150KV条件下进行测试，其结果如表三所示。
表三
Figure PCTCN2019079243-appb-000003
Figure PCTCN2019079243-appb-000004
根据目前医院手术服屏蔽X射线的能力要求，铅当量需要达到0.35mmPb，因此，若采用本实施例的成品布料制成手术服，在满足铅当量要求前提下，其对应成品布料的厚度为0.9mm，每平方米的重量为1048g，即，由该成品布料制成的手术服，其总重量约为2620g(也就是5.24斤)。
对比例一
本对比例，根据专利201480079286.5实施例1进行实施，且对应涂层的厚度为0.2～1.0mm，然后在130℃进行干燥及硬化50秒后，制成辐射屏蔽用纺织物复合体，即，形成不同厚度的成品布料。接着，截取长×宽为1m×1m成品布料进行重量和铅当量检测，其中铅当量也是在X射线管电压为150KV条件下进行测试，其结果如表四所示。
表四
Figure PCTCN2019079243-appb-000005
根据目前医院手术服屏蔽X射线的能力要求，铅当量需要达到0.35mmPb，因此，若采用本对比例的成品布料制成手术服，在满足铅当量要求前提下，其对应成品布料的厚度为1.9mm，每平方米的重量为2020g，即，由该成品布料制成的手术服，其总重量约为5050g(也就是10.1斤)。
对比例二
本对比例，实施方式与实施例1基本相同，不同之处在于：丝线没有经过金属浸泡液进行浸泡，丝线交织成布料，接着在布料表面形成不同厚度的涂层，以形成不同厚度的成品布料。然后截取长×宽为1m×1m的成品布料进行重量和铅当量检测，其中铅当量在X射线管电压为150KV条件下进行测试，其结果如表五所示。
表五
Figure PCTCN2019079243-appb-000006
根据目前医院手术服屏蔽X射线的能力要求，铅当量需要达到0.35mmPb，因此，若采用本对比例的成品布料制成手术服，在满足铅当量要求前提下，其对应成品布料的厚度为1.7mm，每平方米的重量为1780g，即，由该成品布料制成的手术服，其总重量约为4984g(也就是9.97斤)。
对比例三
本对比例，实施方式与实施例1基本相同，不同之处在于：
1)、金属浸泡液按重量百分比包括以下组分：1％纳米级的钽氧化物、1％纳米级的钨氧化物和98％辅助液；
2)、涂层按重量百分比包括以下组分：18％纳米级的钽氧化物、20％纳米级的钨氧化物和62％树脂。
本对比例，在所形成的不同厚度的成品布料中，同样截取长×宽为1m×1m的成品布料进行重量和铅当量检测，其中铅当量在X射线管电压为150KV条件下进行测试，其结果如表六所示。
表六
Figure PCTCN2019079243-appb-000007
根据目前医院手术服屏蔽X射线的能力要求，铅当量需要达到0.35 mmPb，因此，若采用本对比例的成品布料制成手术服，在满足铅当量要求前提下，其对应成品布料的厚度为1mm，每平方米的重量为1670g，即，由该成品布料制成的手术服，其总重量约为4175g(也就是9.97斤)。
根据上述的实施例和对比例的分析可知，本申请中成品布料屏蔽X射线能力是两个方面的结合：一、丝线交织后所形成的布；二、布表面的涂层。因此，成品布料在1mm左右的厚度，即能够达到铅当量为0.35mmPb使用要求，且重量在5-7斤，其与传统的铅胶皮相比，不管在厚度、重量、透气性等各个方面比较，都存在质的改变。同时，成品布料与采用复合材料形成的屏蔽板相比，厚度上虽然相差不大，但是重量上比较，本申请明显占一定的优势，接着本申请面料能够高温消毒(180℃以上)，而复合材料在高温度下，胶粘层会发生变化，故，制成手术衣后，其舒适度和使用寿命完全无法与本申请相媲美，同时，清洗方面也明显不如本申请的成品布料。
此外，本申请人需要说明的是，本申请的核心在于：1、金属浸泡液和涂层的成分比；2、布料的成型工艺步骤。即，两者之间的关系是存在特定的关联性，同时也只有采用两者的结合方式，才能够得到本申请屏蔽X射线、防水防血、透气透湿、抗细菌、抗静电、轻柔、透气、可洗涤、可消毒(在180℃以上)、并且能够方便折叠收藏的布料。
同时，本申请并非限定该成品面料用于医院的手术服，例如一些实验室服装也可以使用。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (11)

  1. 一种X射线防护布料，其包括基层和设置在所述基层正反两面中的至少一面的防护涂层，其特征在于：所述基层为附着金属氧化物粒子的丝线交织而成，所述防护涂层为具有所述金属氧化物粒子的树脂涂层，所述金属氧化物粒子包括纳米级的钽氧化物粒子和纳米级的钨氧化物粒子。
  2. 根据权利要求1所述的X射线防护布料，其特征在于：所述X射线防护布料采用以下生产步骤：
    将丝线在金属浸泡液中浸泡，该金属浸泡液按重量百分比包括以下组分：2-5％纳米级的钽氧化物、2-5％纳米级的钨氧化物和90-96％辅助液，其中所述辅助液为醇类溶剂；
    将浸泡后的丝线风干，并卷绕成卷；
    采用烘干后的丝线纺织成布，并进行抗菌和染色处理；
    在布料表面涂覆胶状的防护涂层，该涂层按重量百分比包括以下组分：5-15％纳米级的钽氧化物、5-15％纳米级的钨氧化物和70-90％树脂；
    烘干布料表面的防护涂层，并卷绕成卷。
  3. 根据权利要求2所述的X射线防护布料，其特征在于：步骤1)中金属浸泡液按重量百分比包括以下组分：3％纳米级的钽氧化物、3％纳米级的钨氧化物和94％辅助液。
  4. 根据权利要求2所述的X射线防护布料，其特征在于：步骤1)中以单根丝线通过浸泡池的方式浸泡丝线，其浸泡温度为220-240℃，浸泡时为20-30h。
  5. 根据权利要求2所述的X射线防护布料，其特征在于：步骤2)中的风干方式为在常温下自然风干。
  6. 根据权利要求2所述的X射线防护布料，其特征在于：步骤5)中金属浸泡液按重量百分比包括以下组分：10％纳米级的钽氧化物、10％纳米级的钨氧化物和80％树脂。
  7. 根据权利要求2所述的X射线防护布料，其特征在于：步骤5)中的烘干温度为150-250℃，烘干时间为8-15s。
  8. 根据权利要求1所述的X射线防护布料，其特征在于：所述防护涂层的厚度为0.2-1mm。
  9. 一种X射线防护服，其特征在于：其采用权利要求1-8的X射线防护布料制成。
  10. 根据权利要求9所述的X射线防护服，其特征在于：所述的X射线防护服为手术服，且布料的厚度为0.5～1.3mm，其中在X射线管电压为150KV测试下，布料的铅当量为0.16～0.50mmPb。
  11. 根据权利要求10所述的X射线防护服，其特征在于：所述布料每平方米的重量为540～1500g。
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