阅读说明：本技术 一种可重复使用透气透湿防静电医用防护面料 (Reusable breathable moisture-permeable antistatic medical protective fabric ) 是由 是伟元 邹汝红 王露 于 2021-07-08 设计创作，主要内容包括：本发明涉及一种可重复使用透气透湿防静电医用防护面料,包括面料本体,所述的面料本体分为三层,所述的面料本体以上而下依次为第一层基布、中间层三组分膜和第三层基布,所述的第一层基布和第三层基布的材料为50D原液着色涤纶低弹丝加20D黑色导电丝经编织造,所述的中间层三组分膜包括聚氨酯薄膜和聚四氟乙烯膜组成,采用以上结构后,本发明具有如下优点：第一层基布和第三层基布采用50D原液着色涤纶低弹丝加20D黑色导电丝经编织造而成,按可重复使用,在使用中不易产生脱絮,不易褪色,具有透气,透湿,抗合成血液穿透性,抗渗水性,防静电,减少成本,降低污染。(The invention relates to a reusable air-permeable moisture-permeable antistatic medical protective fabric, which comprises a fabric body, wherein the fabric body is divided into three layers, a first layer of base cloth, a middle layer of three-component film and a third layer of base cloth are sequentially arranged above and below the fabric body, the first layer of base cloth and the third layer of base cloth are made of 50D raw liquid colored polyester low-stretch yarns and 20D black conductive yarns through weaving, the middle layer of three-component film comprises a polyurethane film and a polytetrafluoroethylene film, and after the structure is adopted, the reusable air-permeable moisture-permeable antistatic medical protective fabric has the advantages that: the first layer base cloth and the third layer base cloth are formed by weaving 50D dope-dyed polyester low stretch yarns and 20D black conductive yarns, can be repeatedly used, are not easy to produce flocculation in use, are not easy to fade, and have the advantages of air permeability, moisture permeability, synthetic blood penetrability resistance, water permeability resistance, static electricity prevention, cost reduction and pollution reduction.)

1. The reusable breathable moisture-permeable antistatic medical protective fabric is characterized by comprising a fabric body (1), wherein the fabric body (1) is divided into three layers, a first layer of base fabric (2), a middle layer of three-component film (3) and a third layer of base fabric (4) are sequentially arranged above and below the fabric body (1), the first layer of base fabric (2) and the third layer of base fabric (4) are made of 50D dope dyed terylene low stretch yarns and 20D black conductive yarns through weaving, the middle layer of three-component film (3) comprises a polyurethane film (3.1) and a polytetrafluoroethylene film (3.2), and the polyurethane film (3.1) is respectively positioned on the upper surface and the lower surface of the polytetrafluoroethylene film (3.2).

2. The reusable air-permeable moisture-permeable antistatic medical protective fabric as claimed in claim 1, characterized in that: the technology of the first layer of base cloth (2) and the third layer of base cloth (4) adopts a warp knitting technology, and the warp knitting technology comprises the following steps: adopting a via flat oblique tissue; two combs are oppositely lapped; a front comb F: 2-3, 1-0; a rear comb B: 1-0, 1-2; adopting a 6-shaft warping machine for 32 needles;

the finishing process comprises the following steps: adding 15g/L sodium hydrosulfite, 15g/L detergent and 15g/L sodium carbonate into a liquid flow cylinder respectively, heating the water temperature to 120 ℃, cleaning for 30 minutes, draining, rinsing for 2 times at 80 ℃, taking out of the cylinder, spin-drying, using 30g/L waterproof agent, and carrying out 180-degree high-temperature shaping and finishing on a shaping machine by a padding mode to obtain the warp-knitted basic gray cloth.

3. The reusable air-permeable moisture-permeable antistatic medical protective fabric as claimed in claim 1, characterized in that: the polytetrafluoroethylene film (3.2) is prepared by polymerizing monomer tetrafluoroethylene, stretching bidirectionally, and coating polyurethane on both sides of the polytetrafluoroethylene film (3.2) in a coating mode.

4. The reusable air-permeable moisture-permeable antistatic medical protective fabric as claimed in claim 2, wherein: the first layer of base cloth (2), the third layer of base cloth (4) and the middle layer of three-component film (3) are connected through hot melt glue in a hot-pressing mode.

Technical Field

The invention relates to the technical field of protective fabrics, in particular to a reusable air-permeable, moisture-permeable and antistatic medical protective fabric.

Background

The operating room is the main place for operating, examining, treating and rescuing patients in hospitals, and the cleanness degree of the operating room environment directly influences the wound healing and health of patients and is also an important factor causing hospital infection and cross infection. At present, the domestic surgical gown fabrics have two kinds: cotton woven fabric and disposable non-woven fabric. The two fabrics have the following disadvantages: the cotton machine fabric and the non-woven fabric are both short fiber fabrics, so that the cotton machine fabric and the non-woven fabric are easy to lose cotton fibers after being worn and rubbed, and the hospital iatrogenic infection risk is increased; the reusability is poor, the hygroscopicity of the operating coat is enhanced after cleaning and sterilization, the liquid barrier property is poor, the operating coat is easy to be soaked by blood, urine, flushing fluid, sweat and the like of medical personnel, the wear rate is high after the operating coat is used for 25 times, the barrier property is rapidly weakened, and the infection rate of an operating part is increased; the cotton surgical gown is difficult to clean, in the cleaning treatment process of the cotton surgical gown, because cotton fibers meet bacteria or fungi, the cotton fibers can be decomposed into glucose, and the dosage of assistants such as strong cleaning powder and sodium hypochlorite is increased in the washing process; the addition of the decontamination auxiliary agent increases the cost of sewage treatment; the resource waste is large, the waste is large due to the disposable operating coat, and the treatment cost is high.

Disclosure of Invention

The invention aims to solve the technical problems that the fabric is easy to be subjected to flocculation removal, poor in reusability, difficult to clean and large in resource waste, and provides the reusable breathable moisture-permeable antistatic medical protective fabric.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

the reusable breathable moisture-permeable antistatic medical protective fabric is characterized by comprising a fabric body, wherein the fabric body is divided into three layers, a first layer of base cloth, a middle layer of three-component film and a third layer of base cloth are sequentially arranged above and below the fabric body, the first layer of base cloth and the third layer of base cloth are made of 50D raw liquid colored polyester low-stretch yarns and 20D black conductive yarns through weaving, the middle layer of three-component film comprises a polyurethane film and a polytetrafluoroethylene film, and the polyurethane film is respectively positioned on the upper surface and the lower surface of the polytetrafluoroethylene film.

As an improvement, the process of the first layer of base cloth (2) and the third layer of base cloth (4) adopts a warp knitting process, and the warp knitting process comprises the following steps: adopting a via flat oblique tissue; two combs are oppositely lapped; a front comb F: 2-3, 1-0; a rear comb B: 1-0, 1-2; adopting a 6-shaft warping machine for 32 needles;

the finishing process comprises the following steps: adding 15g/L sodium hydrosulfite, 15g/L detergent and 15g/L sodium carbonate into a liquid flow cylinder respectively, raising the water temperature to 120 ℃, cleaning for 30 minutes, draining, rinsing for 2 times at the water temperature of 80 ℃, taking out of the cylinder, spin-drying, using 30g/L waterproof agent, and carrying out 180-degree high-temperature shaping and finishing on a shaping machine in a padding mode to obtain the fabric with the characteristics of static resistance, waterproof performance, water washing resistance and the like.

As an improvement, the polytetrafluoroethylene film is prepared by polymerizing monomer tetrafluoroethylene, stretching bidirectionally, and coating polyurethane on both sides of the polytetrafluoroethylene film in a coating mode, wherein the combination of the polytetrafluoroethylene film and the polyurethane has high water seepage resistance, bacteria resistance, air permeability, moisture permeability, synthetic blood penetrability resistance and water washing resistance.

As an improvement, the first layer of base cloth, the third layer of base cloth and the middle layer of three-component film are connected through hot-melt glue in a hot-pressing mode.

After adopting the structure, the invention has the following advantages: the first layer base cloth and the third layer base cloth are formed by weaving 50D dope-dyed polyester low-stretch yarns and 20D black conductive yarns, can be repeatedly used (cleaned and sterilized according to medical washing standards), are not easy to generate flocculation and fade in use, and have the advantages of ventilation, moisture permeability, synthetic blood penetrability resistance, water permeability resistance, static resistance, cost reduction and pollution reduction.

Drawings

Fig. 1 is a cross-sectional view of a reusable air-permeable, moisture-permeable and antistatic medical protective fabric of the present invention.

Fig. 2 is a schematic diagram of a warp knitting structure of the reusable air-permeable, moisture-permeable and antistatic medical protective fabric.

As shown in the figure: 1. the fabric comprises a fabric body, 2, a first layer of base cloth, 3, a middle layer of three-component film, 3.1, a polyurethane film, 3.2, a polytetrafluoroethylene film, 4 and a third layer of base cloth.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With the combination of attached drawings 1 and 2, the reusable air-permeable moisture-permeable antistatic medical protective fabric is characterized by comprising a fabric body (1), wherein the fabric body (1) is divided into three layers, a first layer of base fabric (2), a middle layer of three-component film (3) and a third layer of base fabric (4) are sequentially arranged above and below the fabric body (1), the first layer of base fabric (2) and the third layer of base fabric (4) are made of 50D dope dyed polyester low-stretch yarns and 20D black conductive yarns through weaving, the middle layer of three-component film (3) comprises a polyurethane film (3.1) and a polytetrafluoroethylene film (3.2), and the polyurethane film (3.1) is respectively positioned on the upper surface and the lower surface of the polytetrafluoroethylene film (3.2).

The technology of the first layer of base cloth (2) and the third layer of base cloth (4) adopts a warp knitting technology, and the warp knitting technology comprises the following steps: adopting a via flat oblique tissue; two combs are oppositely lapped; a front comb F: 2-3, 1-0; a rear comb B: 1-0, 1-2; adopting a 6-shaft warping machine for 32 needles;

the finishing process comprises the following steps: adding 15g/L sodium hydrosulfite, 15g/L detergent and 15g/L sodium carbonate into a liquid flow cylinder respectively, heating the water temperature to 120 ℃, cleaning for 30 minutes, draining, rinsing for 2 times at 80 ℃, taking out of the cylinder, spin-drying, using 30g/L waterproof agent, and carrying out 180-degree high-temperature shaping and finishing on a shaping machine by a padding mode to obtain the warp-knitted basic gray cloth. In the specific implementation of the invention, the finishing process of the warp knitting basic gray cloth comprises the following steps: adding 15g/L sodium hydrosulfite, 15g/L detergent and 15g/L sodium carbonate into a liquid flow machine, heating to 120-130 ℃, washing for half an hour, discharging water, then adding water, heating to 80 ℃, washing twice at normal temperature, washing once at normal temperature, taking out of a cylinder, spin-drying, tentering and shaping by 30g/L waterproof agent on a shaping machine at 180 ℃, so that the fabric has the characteristics of static resistance, waterproof performance, water washing resistance, air permeability, fastness and the like,

the polytetrafluoroethylene membrane 3.2 is made of monomer tetrafluoroethylene through polymerization and bidirectional stretching, then polyurethane is coated on two sides of the polytetrafluoroethylene membrane 3.2 in a coating mode, each square centimeter of the surface of the polytetrafluoroethylene membrane 3.2 can reach more than ten hundred million micropores, the diameter (0.2-0.5 mu m) of each micropore is hundreds of times smaller than that (20-100 mu m) of a water molecule and tens of thousands of times larger than that (0.0003-0.0004 mu m) of a water vapor molecule, so that the water vapor can pass through, and water drops can not pass through, the polyurethane introduces a hydrophilic agent into the material by utilizing a high-tech technology, so that the film has excellent moisture permeability (human sweat can freely penetrate between the films) and high elasticity besides high waterproof performance, and the combination of the two membranes has high water permeability resistance, bacteria resistance, air permeability, moisture permeability, synthetic blood penetration resistance and water washability.

The first layer of base cloth 2, the third layer of base cloth 4 and the middle layer of three-component film 3 are connected through hot-melt glue in a hot-pressing mode.

The first layer of base cloth 2 and the middle layer of three-component film 3 are compounded on a hot melting machine through hot melting glue at the temperature of 95 ℃ and the vehicle speed of about 20 meters, the third layer of base cloth is compounded with the two layers of compounded cloth again in the same method, the distance between the two layers of compounded cloth is more than 24 hours, the glue is mainly used for fully reflecting and enhancing the laminating firmness of the fabric, and after the second layer of base cloth is completely pasted and is operated, the finished product can be rolled to ensure that the washing times are increased

The working principle of the invention is as follows: the polytetrafluoroethylene membrane is formed by polymerizing monomer tetrafluoroethylene, polyurethane is coated on two sides of the polytetrafluoroethylene membrane in a coating mode to form a middle layer three-component membrane, the first layer base cloth and the third layer base cloth are woven by adopting 50D dope colored polyester low stretch yarn and 20D black conductive yarn, 15g/L of sodium hydrosulfite, 15g/L of detergent and 15g/L of soda are added into a liquid flow machine respectively, the temperature is raised to 120-130 ℃, water is discharged after washing for half an hour, the woven base cloth is taken out of a cylinder to a setting machine for drying and setting at 150 ℃, water proofing agent is used for waterproofing at 30g/L and 180 ℃ on the setting machine, finally the temperature is controlled by hot melt glue on the hot melt machine to be 95 ℃, the vehicle speed is about 20 meters for compounding, the third layer base cloth is compounded with the two layers of compounded cloth again in the same way, the secondary bonding is separated by more than 24 hours, mainly in order to fully reflect and enhance the bonding firmness of the fabric by glue, and the finished product can be rolled to ensure the increase of washing times after the secondary bonding is finished and the operation is carried out.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.