CN111455669A - Medical protective clothing textile fabric, preparation method thereof and medical protective clothing - Google Patents
Medical protective clothing textile fabric, preparation method thereof and medical protective clothing Download PDFInfo
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- CN111455669A CN111455669A CN202010343144.2A CN202010343144A CN111455669A CN 111455669 A CN111455669 A CN 111455669A CN 202010343144 A CN202010343144 A CN 202010343144A CN 111455669 A CN111455669 A CN 111455669A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/46—Compounds containing quaternary nitrogen atoms
- D06M13/463—Compounds containing quaternary nitrogen atoms derived from monoamines
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
Abstract
The invention is suitable for the technical field of textiles, and provides a textile fabric of a medical protective garment, a preparation method thereof and the medical protective garment, wherein the textile fabric of the medical protective garment is woven by adopting yarns A and B, the yarns A are made of photocatalyst wormwood fibers, cotton fibers and an antibacterial finishing agent, and the textile fabric has efficient and lasting antibacterial and deodorant functions, can effectively kill fine and mould fungi attached to the protective garment, has high antibacterial rate, can effectively eliminate peculiar smell caused by the bacteria and the mould fungi released by the fabric, can avoid fiber damage caused by fiber decomposition, and improves the durability of the fabric.
Description
Technical Field
The invention belongs to the technical field of textiles, and particularly relates to a medical protective clothing textile fabric, a preparation method thereof and medical protective clothing.
Background
Medical protective clothing refers to protective clothing used by medical staff (doctors, nurses, public health staff, cleaning staff, and the like) and people who enter specific medical and health areas (such as patients, hospital visitors, staff who enter infected areas, and the like).
Medical protective clothing is mostly made of textile fabrics. When the textile fabric contains substances such as protein or fat, microorganisms are easy to propagate and grow on the fabric, the peculiar smell of the streptomycin secreted by bacteria and mould can be volatilized, and the fibers can be decomposed to cause fiber damage, so that the fabric is poor in durability.
Market research finds that many antibacterial and deodorant textile fabric products exist in the market at present, and most products adopt an organic synthetic antibacterial agent/inorganic antibacterial agent to treat the fabric so as to improve the antibacterial and deodorant effects of the fabric. However, the organic synthetic antibacterial agent has poor durability and heat resistance and high toxicity, while silver and its ions in the inorganic antibacterial agent are most effective, but silver has color rendering property, and if the silver is improperly used, the fiber or fabric can be yellowed, and the existing antibacterial deodorizing textile fabric has a weak deodorizing effect and a weak deodorizing effect.
Disclosure of Invention
The embodiment of the invention provides a textile fabric for medical protective clothing, and aims to solve the problems of poor durability, poor antibacterial and deodorizing effects and non-durability of the existing antibacterial and deodorizing textile fabric.
The embodiment of the invention is realized in such a way that the medical protective clothing textile fabric is woven by adopting yarns A and B;
the yarn A is prepared from the following components in parts by weight: 20-65 parts of photocatalyst wormwood fiber, 10-25 parts of cotton fiber and 3-8 parts of antibacterial finishing agent.
The embodiment of the invention also provides a preparation method of the textile fabric of the medical protective clothing, which comprises the following steps:
carrying out cotton cleaning, cotton thinning, drawing, roving, spinning, drawing and two-for-one twisting treatment on the photocatalyst wormwood fibers and the cotton fibers to form low-twist composite yarns, then carrying out dipping treatment on the low-twist composite yarns for 45-90 minutes by using the antibacterial finishing agent, drying and sizing to obtain yarns A; the medical protective clothing textile fabric with the structure of warp flat texture, warp flat oblique texture and warp velveteen texture is woven by the yarns A and B.
The embodiment of the invention also provides medical protective clothing which is made of the medical protective clothing textile fabric.
According to the textile fabric for the medical protective clothing, provided by the embodiment of the invention, the yarn A is made of photocatalyst wormwood fiber, cotton fiber and an antibacterial finishing agent, and has an efficient and lasting antibacterial and deodorant function, and the textile fabric woven by the yarn A and the yarn B has an excellent antibacterial effect, can effectively kill bacteria and mould attached to the protective clothing, is high in antibacterial rate, can effectively eliminate peculiar smell caused by the bacteria and the mould attached to the fabric, can avoid fiber damage caused by fiber decomposition, and improves the durability of the fabric.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
According to the textile fabric for the medical protective clothing, provided by the embodiment of the invention, the yarn A is made of photocatalyst wormwood fiber, cotton fiber and an antibacterial finishing agent, and has an efficient and lasting antibacterial and deodorant function, and the textile fabric woven by the yarn A and the yarn B has an excellent antibacterial effect, can effectively kill fine and mould fungi attached to the protective clothing, is high in antibacterial rate, can effectively eliminate peculiar smell caused by the release of the bacteria and the mould fungi, and the like, can avoid fiber damage caused by fiber decomposition, and improves the durability of the fabric.
The embodiment of the invention provides a medical protective clothing textile fabric which is characterized by being woven by adopting yarns A and B; the yarn A is prepared from the following components in parts by weight: 20-65 parts of photocatalyst wormwood fiber, 10-25 parts of cotton fiber and 3-8 parts of antibacterial finishing agent.
In an exemplary embodiment of the invention, the photocatalyst wormwood fiber is prepared by padding wormwood fiber with a photocatalyst solution and then drying.
In a preferred embodiment of the present invention, in the step of immersing and rolling the photocatalyst solution, the rolling residual rate is 75 to 80%, the drying temperature is 70 to 75 ℃, and the time is 1 to 2 minutes.
In the embodiment of the invention, the moxa fiber with good antibacterial effect is subjected to padding treatment and drying by adopting the photocatalyst solution to prepare the photocatalyst moxa fiber, so that solute in the photocatalyst solution (such as nano titanium dioxide solution and the like) is attached to the surface of the moxa fiber, the photocatalyst loaded on the moxa fiber generates a large amount of electrons after being excited by light and ultraviolet rays, and can react with water and oxygen adsorbed on the surface of the fabric to generate hydroxyl radicals with strong oxidizing capability, the hydroxyl radicals can destroy cell membranes of bacteria and protein of solidified viruses, can efficiently kill various bacteria (such as escherichia coli, staphylococcus aureus, influenza viruses and the like), and can decompose organic pollutants such as mycin, musty odor and the like released by the bacteria or the mildew into carbon dioxide and water through oxidation-reduction reaction, thereby endowing the fabric with efficient and durable antibacterial and antibacterial effects, Eliminating odor.
In an exemplary embodiment of the present invention, the photocatalyst is a nano-oxide, for example, nano-titania, nano-silica, zinc oxide, or the like.
Through a large number of tests and analyses, when the rolling residual rate is 75-80%, the wormwood fibers fully absorb the photocatalyst solution and then slightly expand, and the liquid content of the fibers reaches a saturated state; after drying for 1-2 minutes at 70-75 ℃, the photocatalyst solution can be completely and uniformly attached to the inside of the wormwood fiber, and the loading effect is optimal.
In an embodiment of the invention, the antibacterial finishing agent is one of chitosan, wormwood extract or aloe extract or a mixture of any combination thereof. The chitosan, the wormwood extract and the aloe extract are all natural antibacterial agents with good antibacterial activity, and have wide sources and high safety. The antibacterial finishing agent is added into the yarn A, so that the antibacterial effect and the durability of the yarn A can be enhanced. And the antibacterial agent is matched with photocatalyst wormwood fiber for use, so that the antibacterial activity and the durability are particularly outstanding.
As a preferred embodiment of the invention, the antibacterial finishing agent is a mixture of chitosan and wormwood extract, and the mixing weight ratio of the chitosan to the wormwood extract is 1-3: 5. The wormwood extract and the wormwood fiber are processed products by taking plant wormwood as raw materials, and during actual production, the wormwood whole grass can be fully utilized to prepare the wormwood extract and the wormwood fiber, so that the utilization rate of the wormwood whole grass is improved. The chitosan is compounded with the wormwood extract, has good film-forming property and antibacterial property, is matched with the wormwood extract with the same good antibacterial property for use, and can make up for the loss of photocatalyst wormwood fiber in the preparation of the yarn A, so that the yarn A has excellent antibacterial effect and durability.
In the embodiment of the invention, the yarn B is a composite filament yarn prepared by blending modified polyester fibers and terylene according to the mixing mass ratio of 4-5: 3.
The modified polyester fiber is prepared by carrying out blending reaction on polyester fiber and tetrapropylammonium hydroxide solution for 60-120 min, wherein the mixing ratio of the polyester fiber to the tetrapropylammonium hydroxide solution is 1: 35-40 g/L.
The antistatic performance and comfort of the polyester fiber modified by blending the tetrapropylammonium hydroxide solution are greatly improved; the modified polyester fiber obtained by modification is blended with the terylene, so that the sweat absorption and air permeability of the yarn B can be improved.
In a preferred embodiment of the invention, the blending ratio of yarn a and yarn B is 70: the fabric which is blended and woven at a ratio of 30-99: 1 has good antibacterial and deodorant performances, good skin-friendly performance, air permeability and sweat absorption performance, a warp tearing force of 25N and a dimensional tearing force of 36N. The most preferred blend ratio is yarn a: yarn B was 98: 2.
Through a single-factor test, the blending ratio of the yarn A and the yarn B is changed, the other conditions are the same as those in the embodiment 3, the medical protective clothing textile fabric is prepared, and the antibacterial deodorization performance and the deodorization performance of the prepared medical protective clothing textile fabric are tested. The test result shows that along with the increase of the blending ratio of the yarn A, the deodorization rate of the blended textile fabric is gradually increased, and when the blending ratio of the yarn A to the yarn B is 70: within the range of 30-99: 1, the textile fabric has the fastest deodorization rate acceleration, the best deodorization effect and the good antibacterial effect. When the blending ratio of the yarn B is larger than that of the yarn A, the woven fabric is good in sweat absorption and air permeability, but poor in antibacterial performance and deodorization performance.
The embodiment of the invention also provides a preparation method of the textile fabric of the medical protective clothing, which comprises the following steps:
101, performing cotton cleaning, cotton thinning, drawing, roving, spinning, drawing and two-for-one twisting on the photocatalyst wormwood fiber and the cotton fiber to form low-twist composite yarn, performing impregnation treatment for 45-90 minutes by using the antibacterial finishing agent, drying and shaping to obtain yarn A;
102, weaving the yarn A and the yarn B into medical protective clothing textile fabric with a warp flat texture, a warp flat oblique texture or a warp velveteen texture structure;
in step 101, the processes of cotton cleaning, cotton thinning, drawing, roving, spinning, drawing and two-for-one twisting refer to the related procedures in the yarn preparation process in the prior art. Dipping the low-twist composite yarn antibacterial finishing agent for 45-90 minutes to enable the antibacterial finishing agent to be capable of fully penetrating into the composite yarn, so that the composite yarn has more excellent antibacterial capability;
through tests, if the fabric woven by the yarn A prepared by the embodiment of the invention is singly used, the sweat absorption and air permeability of the fabric are inferior to those of the fabric woven by blending the yarn A and the yarn B. And the fabric woven by the yarn B prepared by the embodiment of the invention has very poor antibacterial performance and deodorization performance.
The embodiment of the invention also provides medical protective clothing which is made of the medical protective clothing textile fabric.
Examples of certain embodiments of the invention are given below, which are not intended to limit the scope of the invention.
It is to be noted that the numerical values given in the following examples are as precise as possible, but those skilled in the art will appreciate that each numerical value should be understood as a divisor rather than an absolutely exact numerical value due to measurement errors and experimental operational problems that cannot be avoided. For example, due to errors in the weighing apparatus, it should be understood that the weight values for each component in the compositions of the examples may have errors of ± 2% or ± 1%. The research materials used in the examples of the present invention are all commercially available.
Example 1
The formula of the yarn a adopted in the textile fabric of the medical protective clothing in the embodiment 1 is as follows:
20 parts of photocatalyst wormwood fiber, 25 parts of cotton fiber and 5 parts of antibacterial finishing agent (mixture of chitosan and wormwood extract in a ratio of 1: 5);
the photocatalyst wormwood fiber is obtained by padding wormwood fiber with photocatalyst solution (nano titanium dioxide solution) and drying;
the yarn B is a composite filament yarn prepared by blending modified polyester fibers and terylene according to the mixing mass ratio of 4:3, and the preparation process of the modified polyester fibers comprises the following steps of carrying out blending reaction on the polyester fibers and tetrapropyl ammonium hydroxide solution for 60min to obtain the modified polyester fibers, wherein the mixing ratio of the polyester fibers to the tetrapropyl ammonium hydroxide solution is 1: 40 g/L;
the preparation process of the textile fabric for medical protective clothing in the embodiment 1 comprises the following steps:
and (2) carrying out cotton cleaning, cotton thinning, drawing, roving, spinning, drawing and two-for-one twisting treatment on the photocatalyst wormwood fiber and the cotton fiber to form low-twist composite yarn, then carrying out impregnation treatment for 60 minutes by using the antibacterial finishing agent, drying at 50 ℃ and shaping to obtain yarn A.
And blending the yarn A and the yarn B according to the blending ratio of 70:30 to weave the medical protective clothing textile fabric with the warp flat structure.
Example 2
The formula of the yarn a adopted in the textile fabric of the medical protective clothing in the embodiment 2 is as follows:
30 parts of photocatalyst wormwood fiber, 10 parts of cotton fiber and 3 parts of antibacterial finishing agent (a mixture of chitosan and wormwood extract in a mixing ratio of 1: 5);
the photocatalyst wormwood fiber is obtained by padding wormwood fiber with photocatalyst solution (nano titanium dioxide solution) and drying;
the yarn B is a composite filament yarn prepared by blending modified polyester fibers and terylene according to the mixing mass ratio of 5:3, and the preparation process of the modified polyester fibers comprises the following steps of carrying out blending reaction on the polyester fibers and tetrapropyl ammonium hydroxide solution for 120min, wherein the mixing ratio of the polyester fibers to the tetrapropyl ammonium hydroxide solution is 1:35 g/L;
the preparation process of the textile fabric for medical protective clothing in the embodiment 2 comprises the following steps:
carrying out cotton cleaning, cotton thinning, drawing, roving, spinning, drawing and two-for-one twisting treatment on the photocatalyst wormwood fiber and the cotton fiber to form low-twist composite yarn, then carrying out impregnation treatment on the low-twist composite yarn for 60 minutes by using the antibacterial finishing agent, drying at 60 ℃, and shaping to obtain yarn A;
and blending the yarn A and the yarn B according to the blending ratio of 80:20, and weaving the medical protective clothing textile fabric with a warp flat structure.
Example 3
The formula of the yarn a adopted in the textile fabric of the medical protective clothing in example 3 is as follows:
65 parts of photocatalyst wormwood fiber, 15 parts of cotton fiber and 4 parts of antibacterial finishing agent (a mixture of chitosan and wormwood extract in a ratio of 3: 5);
the photocatalyst wormwood fiber is obtained by padding wormwood fiber with photocatalyst solution (nano titanium dioxide solution) and drying;
the yarn B is a composite filament yarn prepared by blending modified polyester fibers and terylene according to the mixing mass ratio of 4:3, and the preparation process of the modified polyester fibers comprises the following steps of carrying out blending reaction on the polyester fibers and tetrapropyl ammonium hydroxide solution for 90min, wherein the mixing ratio of the polyester fibers to the tetrapropyl ammonium hydroxide solution is 1:35 g/L;
the preparation process of the textile fabric for medical protective clothing in the embodiment 3 is as follows:
and (2) carrying out cotton cleaning, cotton thinning, drawing, roving, spinning, drawing and two-for-one twisting treatment on the photocatalyst wormwood fiber and the cotton fiber to form low-twist composite yarn, then carrying out impregnation treatment for 90 minutes by using the antibacterial finishing agent, drying at 50 ℃ and shaping to obtain yarn A.
And blending the yarn A and the yarn B according to the blending ratio of 99:1, and weaving the medical protective clothing textile fabric with a warp flat structure.
Example 4
The formula of the yarn a adopted in the textile fabric of the medical protective clothing in the embodiment 4 is as follows:
50 parts of photocatalyst wormwood fiber, 20 parts of cotton fiber and 8 parts of antibacterial finishing agent (a mixture of chitosan and wormwood extract in a mixing ratio of 2: 5);
the photocatalyst wormwood fiber is obtained by padding wormwood fiber with photocatalyst solution (nano titanium dioxide solution) and drying;
the yarn B is a composite filament yarn prepared by blending modified polyester fibers and terylene according to the mixing mass ratio of 5:3, and the preparation process of the modified polyester fibers comprises the following steps of carrying out blending reaction on the polyester fibers and tetrapropyl ammonium hydroxide solution for 80min, wherein the mixing ratio of the polyester fibers to the tetrapropyl ammonium hydroxide solution is 1: 40 g/L;
the preparation process of the textile fabric for medical protective clothing in the embodiment 4 is as follows:
and (2) carrying out cotton cleaning, cotton thinning, drawing, roving, spinning, drawing and two-for-one twisting treatment on the photocatalyst wormwood fiber and the cotton fiber to form low-twist composite yarn, then carrying out impregnation treatment on the low-twist composite yarn for 70 minutes by using the antibacterial finishing agent, drying at 50 ℃ and shaping to obtain yarn A.
And blending the yarn A and the yarn B according to the blending ratio of 98:2, and weaving the medical protective clothing textile fabric with a warp flat structure.
Example 5
The formula of the yarn a adopted in the textile fabric of the medical protective clothing in example 5 is as follows:
40 parts of photocatalyst wormwood fiber, 18 parts of cotton fiber and 7 parts of antibacterial finishing agent (a mixture of chitosan and wormwood extract in a mixing ratio of 1: 5);
the photocatalyst wormwood fiber is obtained by padding wormwood fiber with photocatalyst solution (nano titanium dioxide solution) and drying;
the yarn B is a composite filament yarn prepared by blending modified polyester fibers and terylene according to the mixing mass ratio of 4: 3. The preparation process of the modified polyester fiber comprises the following steps: carrying out blending reaction on polyester fibers and a tetrapropyl ammonium hydroxide solution for 60min to obtain the polyester fiber/tetrapropyl ammonium hydroxide solution, wherein the mixing ratio of the polyester fibers to the tetrapropyl ammonium hydroxide solution is 1: 40 g/;
the preparation process of the textile fabric for medical protective clothing in the embodiment 5 is as follows:
carrying out cotton cleaning, cotton thinning, drawing, roving, spinning, drawing and two-for-one twisting treatment on the photocatalyst wormwood fiber and the cotton fiber to form low-twist composite yarn, then carrying out immersion treatment on the low-twist composite yarn for 50 minutes by using the antibacterial finishing agent, drying at 50 ℃ and shaping to obtain yarn A;
and blending the yarn A and the yarn B according to the blending ratio of 98:2, and weaving the medical protective clothing textile fabric with a warp flat structure.
The following performance tests are performed on the medical protective clothing textile fabric prepared by the preparation method of the medical protective clothing textile fabric provided by the embodiment of the invention, so as to further clarify the technical effects of the invention.
1. Test of antibacterial Property
The medical protective clothing Textile fabrics prepared in examples 1 to 5 of the present invention were subjected to an antibacterial ratio test according to AATCC test method 100 in AATCC (American Association of Textile dyers and Chemists) standards, and each group of samples was subjected to 3 repeated tests. The test results were averaged as shown in table 1 below.
As can be seen from table 1 above, the textile fabric for medical protective clothing provided in the embodiment of the present invention has an excellent antibacterial effect, and has an average bacteriostatic rate for candida albicans as high as 99% or more, and an average bacteriostatic rate for escherichia coli and an average bacteriostatic rate for staphylococcus aureus as high as 100%.
In addition, after being washed for 100 times, the textile fabric for the medical protective clothing provided by the embodiment of the invention still has a good antibacterial effect.
2. Deodorization Performance test
The medical protective clothing textile fabric in the embodiments 1 to 5 of the invention is subjected to deodorization performance test according to ISO17299-1-2014 (part 3 gas chromatography for testing textile deodorization performance), each group of samples is repeatedly tested for 3 times, the average value is taken, and the test result is shown in Table 2.
TABLE 2 odor chemical composition and deodorizing textile Certification requirement for deodorizing Rate
As can be seen from the data in tables 2 and 3 above, the textile fabric for medical protective clothing in embodiments 1 to 5 of the present invention has good removal rate for ammonia gas, acetic acid, isovaleric acid, nonenal, hydrogen sulfide, methyl mercaptan, and indole odor components, and all meet the requirement of ISO on the deodorization rate of the gases.
3. The yarn a was prepared according to the formulation composition of the yarn a shown in table 4, the other fabric raw materials and the preparation process were the same as those in example 3, the medical protective clothing textile fabric was prepared, and the antibacterial performance and the deodorizing performance of each group of the prepared medical protective clothing textile fabric were tested, each test item of each group was repeatedly tested 3 times, and the average value was taken, and the test results are shown in tables 5 and 6.
From the test results of tables 1, 3, 5 and 6 above, it can be seen that the average bacteriostatic rate against escherichia coli, the average bacteriostatic rate against candida albicans and the average bacteriostatic rate against staphylococcus aureus of the medical protective clothing textile fabric (i.e., the fabric prepared in comparative example 1) prepared by mixing the yarn a and the yarn B and preparing the yarn a by using the same amount of cotton fiber instead of photocatalyst wormwood fiber in the formula are respectively 85.12%, 82.14% and 85.26%, while the average bacteriostatic rate against escherichia coli, the average bacteriostatic rate against candida albicans and the average bacteriostatic rate against staphylococcus aureus of the medical protective clothing textile fabric prepared in example 3 are respectively 100%, 99.95% and 100%. It can be seen that the antibacterial performance of the facing of comparative example 1 is significantly inferior to that of example 3. The average bacteriostasis rate of the prepared textile fabric (namely comparative example 2) of the medical protective clothing without the antibacterial finishing agent in the yarn A to escherichia coli, the average bacteriostasis rate of the prepared textile fabric to candida albicans and the average bacteriostasis rate of the prepared textile fabric to staphylococcus aureus are respectively 95.20%, 92.24% and 93.41%, which are slightly different from the fabric of example 3. The average bacteriostasis rate to escherichia coli, the average bacteriostasis rate to candida albicans and the average bacteriostasis rate to staphylococcus aureus of the medical protective clothing textile fabric (namely the fabric prepared in the comparative example 3) prepared by mixing the yarn A and the yarn B are 88.03%, 87.59% and 89.63% respectively, and the fabric is also obviously inferior to the fabric prepared in the example 3. In addition, the deodorization rates of the fabrics prepared in comparative examples 1 and 3 on ammonia gas, acetic acid, isovaleric acid, nonenal, hydrogen sulfide, methyl mercaptan and indole odor components are all not up to the standard, and comparative example 2 is up to the standard but lower than the deodorization rate of example 3. Therefore, the antibacterial performance and the deodorization performance of the fabric can be obviously improved by adding the photocatalyst wormwood fiber, and the antibacterial finishing agent can be used in combination with the photocatalyst wormwood fiber to obtain higher antibacterial performance and deodorization performance.
In summary, the textile fabric for medical protective clothing provided by the embodiment of the invention has the advantages that the yarn A is made of photocatalyst wormwood fiber, cotton fiber and an antibacterial finishing agent, and has an efficient and lasting antibacterial and deodorant function, the textile fabric woven by the yarn A and the yarn B has an excellent antibacterial effect, can effectively kill bacteria and mold attached to the protective clothing, has a high antibacterial rate, can effectively eliminate peculiar smell caused by bacteria and mold released by the mold and the like attached to the fabric, can avoid fiber damage caused by fiber decomposition, and improves the durability of the fabric.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The medical protective clothing textile fabric is characterized by being woven by yarns A and B;
the yarn A is prepared from the following components in parts by weight: 20-65 parts of photocatalyst wormwood fiber, 10-25 parts of cotton fiber and 3-8 parts of antibacterial finishing agent.
2. The textile fabric for medical protective clothing, according to claim 1, wherein the preparation method of the photocatalyst wormwood fiber comprises the steps of padding a photocatalyst solution:
padding the wormwood fibers by adopting a photocatalyst solution, and drying to obtain the wormwood fiber.
3. The textile fabric for medical protective clothing, as claimed in claim 2, wherein in the step of padding the photocatalyst solution, the rolling residual rate is 75-80%, the drying temperature is 70-75 ℃, and the time is 1-2 minutes.
4. The textile fabric for medical protective clothing according to claim 1, wherein the antibacterial finishing agent is one of chitosan, wormwood extract or aloe extract or a mixture of any combination thereof.
5. The textile fabric for medical protective clothing according to claim 4, wherein the antibacterial finishing agent is a mixture of chitosan and wormwood extract;
the mixing weight ratio of the chitosan to the wormwood extract is 1-3: 5.
6. The textile fabric for medical protective clothing, as claimed in claim 1, wherein the yarn B is a composite filament yarn prepared by blending modified polyester fibers and terylene according to the mixing mass ratio of 4-5: 3.
7. The textile fabric for medical protective clothing according to claim 6, wherein the modified polyester fiber is prepared by the following steps:
and carrying out blending reaction on the polyester fiber and a tetrapropyl ammonium hydroxide solution for 60-120 min to obtain the polyester fiber/tetrapropyl ammonium hydroxide solution, wherein the mixing ratio of the polyester fiber to the tetrapropyl ammonium hydroxide solution is 1: 35-40 g/L.
8. The textile fabric for medical protective clothing, according to claim 1, wherein the blending ratio of the yarn A to the yarn B is 70: 30-99: 1.
9. The preparation method of the textile fabric for the medical protective clothing, which is characterized by comprising the following steps:
carrying out cotton cleaning, cotton thinning, drawing, roving, spinning, drawing and two-for-one twisting treatment on the photocatalyst wormwood fibers and the cotton fibers to form low-twist composite yarns, then carrying out dipping treatment on the low-twist composite yarns for 45-90 minutes by using the antibacterial finishing agent, drying and sizing to obtain yarns A;
the medical protective clothing textile fabric with a warp flat texture, warp flat oblique texture or warp velveteen texture structure is woven by the yarns A and B.
10. Medical protective clothing, characterized in that the medical protective clothing is made of the textile fabric of the medical protective clothing according to any one of claims 1 to 8.
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