CN108486875B - Antibacterial non-woven fabric for medical care and health as well as preparation method and application thereof - Google Patents
Antibacterial non-woven fabric for medical care and health as well as preparation method and application thereof Download PDFInfo
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- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
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- A41D13/12—Surgeons' or patients' gowns or dresses
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- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
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Abstract
The invention relates to an antibacterial non-woven fabric for medical and health care, a preparation method and application thereof. According to the medical and health antibacterial non-woven fabric, a large amount of researches are carried out on the preparation process, and proper raw materials are selected to prepare the non-woven fabric with the broad-spectrum antibacterial function, so that the material has the antibacterial and bactericidal capacity and can be well used for medical articles such as surgical gowns, protective clothing, masks and the like; the antibacterial fabric has the advantages of soft hand feeling, wide antibacterial spectrum, durable antibacterial performance, safety, reliability, capability of meeting the requirements of surgical gowns, antibacterial performance, air permeability, radiation protection, wearing comfort and the like, and wide application prospect.
Description
Technical Field
The invention relates to the technical field of medical treatment and health, in particular to an antibacterial non-woven fabric for medical treatment and health and a preparation method thereof.
Background
A nonwoven fabric, also called a nonwoven fabric, is prepared from chemical fibers, plant fibers and the like in a wet or dry paper machine by using water or air as a suspension medium, and is called a nonwoven fabric although it is a fabric rather than a woven fabric. The manufacture method comprises the steps of firstly, carrying out directional or random arrangement on textile short fibers or filaments to form a fiber web structure, and then reinforcing by adopting a mechanical, thermal bonding or chemical method. The non-woven fabric is a new-generation environment-friendly material, and has the characteristics of moisture resistance, air permeability, environmental protection, low production cost, easy decomposition, no toxicity, no stimulation and cyclic utilization. Most raw materials for preparing the non-woven fabric are polypropylene, different from polyethylene which is a raw material of a plastic bag, a chemical molecular structure has quite strong stability and is extremely difficult to degrade, so the plastic bag can be completely decomposed in 300 years, the chemical structure of the polypropylene is not stable enough, molecular chains are easy to break, and the polypropylene can be effectively degraded quickly, a non-woven fabric product is placed outdoors to be naturally decomposed for only 90 days at most, and is combusted after being discarded, so the non-woven fabric product is non-toxic, tasteless, free of any residual substance, and has the pollution degree to the environment of only 10 percent of that of the plastic bag, and is an internationally recognized environment-friendly product.
The non-woven fabric is a new product which is the youngest and most promising in development in the textile industry, and is popular with various industries by virtue of environmental protection, fashion, rich color, wide application, and various patterns and styles. In the aspect of agriculture, the method comprises the following steps of preparing harvest cloth, greenhouse cloth, crop protection cloth, seedling raising cloth, irrigation cloth and the like; the material is industrially used as cable cloth, coating cloth, cement packaging bags, filtering and insulating materials, sealing ring linings, shockproof liners, ventilating ducts, roof waterproof coiled materials and the like; in the automobile industry, cushion linings, door linings, anti-vibration felt, roofs, automobile filter cores and molded cushions can be prepared; in life, the fabric is used for packaging, preparing bag lining cloth, storing bags and movable jacquard bag cloth, and also used for manufacturing quilt wadding, soft mats, sleeping bags, bed sheets, bedspreads, wall sticking cloth, curtains, tablecloths, lampshades, map cloth, wall calendar cloth and the like by using non-woven fabrics; also frequently used in the aspect of making shoes from clothes, non-woven fabrics are used for clothes linings, underwear, synthetic leather, thermal shoe linings, cloth shoe bottom linings, setting cotton, various synthetic leather bottom linings and the like.
The non-woven fabric is applied to the medical and health industry, tens of thousands of hospitals and medical clinics in China at present, the annual demand of the gas-proof and dust-proof mask reaches hundreds of millions, and the medical non-woven fabric has extremely wide market prospect in China. The polypropylene as the raw material for preparing the non-woven fabric belongs to a chemical inactive substance, has the characteristics of chemical agent resistance, antibiosis and alkali corrosion resistance, has water drawing property, is not mildewed or damaged, and can isolate the corrosion of bacteria and insects in liquid, so the non-woven fabric is always the preferred material for preparing surgical clothes, caps, masks, dust covers, absorbent cotton, sanitary underpants, wet face towels and the like in the aspect of medical treatment and health.
Disclosure of Invention
The invention aims to solve the technical problem of providing an antibacterial non-woven fabric for medical treatment and health and a preparation method and application thereof.
The invention is realized by the following technical scheme:
an antibacterial non-woven fabric for medical and health care is prepared by soaking non-woven fabric in antibacterial finishing liquid and drying.
The antibacterial finishing liquid is prepared by the following method: adding 0.2-0.5 part by weight of dispersant, 0.3-0.7 part by weight of polyacrylamide, 0.1-0.4 part by weight of cross-linking agent, 0.1-0.5 part by weight of coupling agent, 1-6 parts by weight of acrylate emulsion and 0.05-0.4 part by weight of antibacterial agent into 88-98 parts by weight of water, and uniformly mixing.
The dispersant is sodium dodecyl benzene sulfonate or sodium polyacrylate.
The coupling agent is isocyanatopropyl triethoxysilane.
Further, the coupling agent is modified isocyanic acid propyl triethoxy silane.
The modified isocyanic acid propyl triethoxy silane is prepared by the following method: 3-pentadecylphenol, hydroxyethyl acrylate, isopropyltriethoxysilane isocyanate and dibutyltin dilaurate in a mass ratio of 1: (2-3): (5-9): (0.0001-0.0005) adding into a reaction kettle, and stirring and reacting at 70-90 ℃ for 0.5-2.5h to obtain the modified isocyanic acid propyl triethoxysilane.
The cross-linking agent is 1,2,3, 4-butanetetracarboxylic acid.
The antibacterial agent is 1-chloro-3-hydroxymethyl-5-epoxypropyl-S-triazine trione and/or 2-chloro-4- (4-sulfonic phenylamino) -6- (3-hydroxypropyl-5, 5-dimethylhydantoin) -1,3, 5-triazine. Preferably, the antibacterial agent is prepared from 1-chloro-3-hydroxymethyl-5-epoxypropyl-S-triazine trione, 2-chloro-4- (4-sulfophenylamino) -6- (3-hydroxypropyl-5, 5-dimethylhydantoin) -1,3, 5-triazine in a mass ratio of 1: (2-3).
The non-woven fabric is made of cotton, terylene, polypropylene, chinlon, spandex or acrylic.
The invention also provides a preparation method of the antibacterial non-woven fabric for medical health, which comprises the following steps: soaking the non-woven fabric in the antibacterial finishing liquid for 25-45min at 30-50 ℃, and drying at 45-65 ℃ for 15-35h after soaking to obtain the antibacterial non-woven fabric for medical and health.
The invention also provides application of the antibacterial non-woven fabric for medical and health care in preparation of surgical gowns and masks. The medical and health antibacterial non-woven fabric is processed according to a conventional process to obtain the surgical gown or the mask.
Compared with the prior art, the invention has the following outstanding advantages and effects:
according to the medical and health antibacterial non-woven fabric, a large amount of researches are carried out on the preparation process, and proper raw materials are selected to prepare the non-woven fabric with the broad-spectrum antibacterial function, so that the material has the antibacterial and bactericidal capacity and can be well used for medical articles such as surgical gowns, protective clothing, masks and the like; the antibacterial fabric has the advantages of soft hand feeling, wide antibacterial spectrum, durable antibacterial performance, safety, reliability, capability of meeting the requirements of surgical gowns, antibacterial performance, air permeability, radiation protection, wearing comfort and the like, and wide application prospect.
Detailed Description
And (3) testing antibacterial performance: the medical and health antibacterial non-woven fabric is subjected to a sterilization rate test according to appendix C of GB15979-2002 hygienic standard for disposable hygienic products, namely a test method for the sterilization performance, the bacteriostatic performance and the stability of the product, and the action time is 5 minutes. Strain: escherichia coli ATCC25922, Klebsiella pneumoniae ATCC 4352.
Moisture absorption and sweat releasing performance test: the method adopts the evaluation part 1 of the moisture absorption quick drying property of the textile in the national standard GB/T21655.1-2008: single item combination test method.
In the examples, the sodium polyacrylate is food grade sodium polyacrylate provided by Zhengzhou river Dabiology technologies, Inc.
In the examples, polyacrylamide was used to provide nonionic Polyacrylamide (PAMN) with a molecular weight of 500-.
Examples dibutyltin dilaurate, CAS No.: 77-58-7.
Example 3-pentadecylphenol, CAS No.: 501-24-6.
The acrylate emulsion in the examples was prepared according to the method shown in example 1 of chinese patent application No. 201310695104.4.
Example 1-chloro-3-hydroxymethyl-5-epoxypropyl-S-triazinetrione was prepared according to the method shown in example 3 of chinese patent application No. 201210362485. X.
Example 2-chloro-4- (4-sulfophenylamino) -6- (3-hydroxypropyl-5, 5-dimethylhydantoin) -1,3, 5-triazine was prepared as shown in example 1 of chinese patent application No. 201410631683.0.
Examples 1,2,3, 4-butanetetracarboxylic acid, CAS number: 1703-58-8.
Examples isopropyltriethoxysilane isocyanate, CAS No.: 24801-88-5.
Examples hydroxyethyl acrylate, CAS number: 818-61-1.
Example 1
An antibacterial nonwoven fabric for medical hygiene is prepared by soaking nonwoven fabric in antibacterial finishing liquid and drying.
The antibacterial finishing liquid is prepared by the following method: adding 0.3 part by weight of sodium polyacrylate, 0.4 part by weight of polyacrylamide, 0.3 part by weight of 1,2,3, 4-butanetetracarboxylic acid, 0.3 part by weight of coupling agent, 4.5 parts by weight of acrylate emulsion and 0.24 part by weight of 2-chloro-4- (4-sulfophenylamino) -6- (3-hydroxypropyl-5, 5-dimethylhydantoin) -1,3, 5-triazine into 95 parts by weight of deionized water, and uniformly mixing to obtain the acrylic acid modified acrylic acid.
The coupling agent is modified isocyanic acid propyl triethoxy silane.
The modified isocyanic acid propyl triethoxy silane is prepared by the following method: 3-pentadecylphenol, hydroxyethyl acrylate, isopropyltriethoxysilane isocyanate and dibutyltin dilaurate in a mass ratio of 1: 2.5: 7.8: 0.00033 is added into a reaction kettle, and the mixture is stirred and reacted for 1 hour at the temperature of 80 ℃, thus obtaining the modified isocyanic acid propyl triethoxy silane.
The non-woven fabric is a needle-punched non-woven fabric provided by Weifang city Huateng non-woven fabric limited company, the material is 100 percent of terylene, and the gram weight is 120g/m2。
The preparation method of the antibacterial non-woven fabric for medical health comprises the following steps: and (3) dipping the non-woven fabric in the antibacterial finishing liquid for 35min at the dipping temperature of 40 ℃, and drying the non-woven fabric at the temperature of 50 ℃ for 25h to obtain the antibacterial non-woven fabric for medical care and health.
The application of the antibacterial non-woven fabric for medical and health care in preparing surgical gowns and masks is provided. The medical and health antibacterial non-woven fabric is processed according to a conventional process to obtain the surgical gown or the mask.
Example 2
An antibacterial nonwoven fabric for medical hygiene is prepared by soaking nonwoven fabric in antibacterial finishing liquid and drying.
The antibacterial finishing liquid is prepared by the following method: adding 0.3 part by weight of sodium polyacrylate, 0.4 part by weight of polyacrylamide, 0.3 part by weight of 1,2,3, 4-butanetetracarboxylic acid, 0.3 part by weight of coupling agent, 4.5 parts by weight of acrylate emulsion and 0.24 part by weight of 2-chloro-4- (4-sulfophenylamino) -6- (3-hydroxypropyl-5, 5-dimethylhydantoin) -1,3, 5-triazine into 95 parts by weight of deionized water, and uniformly mixing to obtain the acrylic acid modified acrylic acid.
The coupling agent is modified isocyanic acid propyl triethoxy silane.
The modified isocyanic acid propyl triethoxy silane is prepared by the following method: hydroxyethyl acrylate, isopropyltriethoxysilane isocyanate and dibutyltin dilaurate are mixed according to the mass ratio of 2.5: 7.8: 0.00033 is added into a reaction kettle, and the mixture is stirred and reacted for 1 hour at the temperature of 80 ℃, thus obtaining the modified isocyanic acid propyl triethoxy silane.
The non-woven fabric is a needle-punched non-woven fabric provided by Weifang city Huateng non-woven fabric limited company, the material is 100 percent of terylene, and the gram weight is 120g/m2。
The preparation method of the antibacterial non-woven fabric for medical health comprises the following steps: and (3) dipping the non-woven fabric in the antibacterial finishing liquid for 35min at the dipping temperature of 40 ℃, and drying the non-woven fabric at the temperature of 50 ℃ for 25h to obtain the antibacterial non-woven fabric for medical care and health.
The application of the antibacterial non-woven fabric for medical and health care in preparing surgical gowns and masks is provided. The medical and health antibacterial non-woven fabric is processed according to a conventional process to obtain the surgical gown or the mask.
Example 3
An antibacterial nonwoven fabric for medical hygiene is prepared by soaking nonwoven fabric in antibacterial finishing liquid and drying.
The antibacterial finishing liquid is prepared by the following method: adding 0.3 part by weight of sodium polyacrylate, 0.4 part by weight of polyacrylamide, 0.3 part by weight of 1,2,3, 4-butanetetracarboxylic acid, 0.3 part by weight of coupling agent, 4.5 parts by weight of acrylate emulsion and 0.24 part by weight of 2-chloro-4- (4-sulfophenylamino) -6- (3-hydroxypropyl-5, 5-dimethylhydantoin) -1,3, 5-triazine into 95 parts by weight of deionized water, and uniformly mixing to obtain the acrylic acid modified acrylic acid.
The coupling agent is isocyanatopropyl triethoxysilane.
The non-woven fabric is a needle-punched non-woven fabric provided by Weifang city Huateng non-woven fabric limited company, the material is 100 percent of terylene, and the gram weight is 120g/m2。
The preparation method of the antibacterial non-woven fabric for medical health comprises the following steps: and (3) dipping the non-woven fabric in the antibacterial finishing liquid for 35min at the dipping temperature of 40 ℃, and drying the non-woven fabric at the temperature of 50 ℃ for 25h to obtain the antibacterial non-woven fabric for medical care and health.
The application of the antibacterial non-woven fabric for medical and health care in preparing surgical gowns and masks is provided. The medical and health antibacterial non-woven fabric is processed according to a conventional process to obtain the surgical gown or the mask.
Example 4
An antibacterial nonwoven fabric for medical hygiene is prepared by soaking nonwoven fabric in antibacterial finishing liquid and drying.
The antibacterial finishing liquid is prepared by the following method: adding 0.3 part by weight of sodium polyacrylate, 0.4 part by weight of polyacrylamide, 0.3 part by weight of 1,2,3, 4-butanetetracarboxylic acid, 0.3 part by weight of coupling agent, 4.5 parts by weight of acrylate emulsion and 0.24 part by weight of 1-chloro-3-hydroxymethyl-5-epoxypropyl-S-triazinetrione into 95 parts by weight of deionized water, and uniformly mixing.
The coupling agent is modified isocyanic acid propyl triethoxy silane.
The modified isocyanic acid propyl triethoxy silane is prepared by the following method: 3-pentadecylphenol, hydroxyethyl acrylate, isopropyltriethoxysilane isocyanate and dibutyltin dilaurate in a mass ratio of 1: 2.5: 7.8: 0.00033 is added into a reaction kettle, and the mixture is stirred and reacted for 1 hour at the temperature of 80 ℃, thus obtaining the modified isocyanic acid propyl triethoxy silane.
The non-woven fabric is a needle-punched non-woven fabric provided by Weifang city Huateng non-woven fabric limited company, the material is 100 percent of terylene, and the gram weight is 120g/m2。
The preparation method of the antibacterial non-woven fabric for medical health comprises the following steps: and (3) dipping the non-woven fabric in the antibacterial finishing liquid for 35min at the dipping temperature of 40 ℃, and drying the non-woven fabric at the temperature of 50 ℃ for 25h to obtain the antibacterial non-woven fabric for medical care and health.
The application of the antibacterial non-woven fabric for medical and health care in preparing surgical gowns and masks is provided. The medical and health antibacterial non-woven fabric is processed according to a conventional process to obtain the surgical gown or the mask.
Example 5
An antibacterial nonwoven fabric for medical hygiene is prepared by soaking nonwoven fabric in antibacterial finishing liquid and drying.
The antibacterial finishing liquid is prepared by the following method: adding 0.3 part by weight of sodium polyacrylate, 0.4 part by weight of polyacrylamide, 0.3 part by weight of 1,2,3, 4-butanetetracarboxylic acid, 0.3 part by weight of coupling agent, 4.5 parts by weight of acrylate emulsion, 0.08 part by weight of 1-chloro-3-hydroxymethyl-5-epoxypropyl-S-triazine trione, and 0.16 part by weight of 2-chloro-4- (4-sulfophenylamino) -6- (3-hydroxypropyl-5, 5-dimethylhydantoin) -1,3, 5-triazine into 95 parts by weight of deionized water, and uniformly mixing to obtain the product.
The coupling agent is modified isocyanic acid propyl triethoxy silane.
The modified isocyanic acid propyl triethoxy silane is prepared by the following method: 3-pentadecylphenol, hydroxyethyl acrylate, isopropyltriethoxysilane isocyanate and dibutyltin dilaurate in a mass ratio of 1: 2.5: 7.8: 0.00033 is added into a reaction kettle, and the mixture is stirred and reacted for 1 hour at the temperature of 80 ℃, thus obtaining the modified isocyanic acid propyl triethoxy silane.
The non-woven fabric is a needle-punched non-woven fabric provided by Weifang city Huateng non-woven fabric limited company, the material is 100 percent of terylene, and the gram weight is 120g/m2。
The preparation method of the antibacterial non-woven fabric for medical health comprises the following steps: and (3) dipping the non-woven fabric in the antibacterial finishing liquid for 35min at the dipping temperature of 40 ℃, and drying the non-woven fabric at the temperature of 50 ℃ for 25h to obtain the antibacterial non-woven fabric for medical care and health. The results of the test of the medical and sanitary antibacterial nonwoven fabric: the sterilization rate of Escherichia coli is 98.9%, the sterilization rate of Klebsiella pneumoniae is 96.7%, and the moisture permeability is 7852g/m2·d。
The application of the antibacterial non-woven fabric for medical and health care in preparing surgical gowns and masks is provided. The medical and health antibacterial non-woven fabric is processed according to a conventional process to obtain the surgical gown or the mask.
Test example 1
The antibacterial nonwoven fabrics for medical care prepared in examples 1 to 4 were tested for their properties. The specific test results are shown in table 1.
Table 1: test result table
According to the medical and sanitary antibacterial non-woven fabric, the performance of the medical and sanitary antibacterial non-woven fabric is greatly improved by modifying the coupling agent. The non-woven fabric with the broad-spectrum antibacterial function has the antibacterial and bactericidal capacity, and can be well used for medical articles such as surgical gowns, protective clothing, masks and the like; the antibacterial fabric has the advantages of soft hand feeling, wide antibacterial spectrum, durable antibacterial performance, safety, reliability, capability of meeting the requirements of surgical gowns, antibacterial performance, air permeability, radiation protection, wearing comfort and the like, and wide application prospect.
Claims (4)
1. An antibacterial non-woven fabric for medical and health care is characterized in that the antibacterial non-woven fabric is obtained by dipping the non-woven fabric in an antibacterial finishing liquid and then drying; the antibacterial finishing liquid is prepared by the following method: adding 0.2-0.5 part by weight of dispersant, 0.3-0.7 part by weight of polyacrylamide, 0.1-0.4 part by weight of cross-linking agent, 0.1-0.5 part by weight of coupling agent, 1-6 parts by weight of acrylate emulsion and 0.05-0.4 part by weight of antibacterial agent into 88-98 parts by weight of water, and uniformly mixing to obtain the water-based antibacterial agent;
the coupling agent is modified isocyanic acid propyl triethoxy silane; the modified isocyanic acid propyl triethoxy silane is prepared by the following method: 3-pentadecylphenol, hydroxyethyl acrylate, isopropyltriethoxysilane isocyanate and dibutyltin dilaurate in a mass ratio of 1: (2-3): (5-9): (0.0001-0.0005) adding the mixture into a reaction kettle, and stirring and reacting for 0.5-2.5h at the temperature of 70-90 ℃ to obtain modified isopropyl triethoxysilane;
the antibacterial agent is prepared from 1-chloro-3-hydroxymethyl-5-epoxypropyl-S-triazine trione, 2-chloro-4- (4-sulfophenylamino) -6- (3-hydroxypropyl-5, 5-dimethylhydantoin) -1,3, 5-triazine in a mass ratio of 1: (2-3);
the dispersing agent is sodium dodecyl benzene sulfonate or sodium polyacrylate, and the crosslinking agent is 1,2,3, 4-butanetetracarboxylic acid.
2. The antibacterial nonwoven fabric for medical care and hygiene according to claim 1, wherein the material of the nonwoven fabric is cotton, polyester, polypropylene, polyamide, spandex or acrylic.
3. The method for preparing the antibacterial non-woven fabric for medical care according to claim 1 or 2, wherein the antibacterial non-woven fabric for medical care is obtained by dipping the non-woven fabric in the antibacterial finishing liquid at 30 to 50 ℃ for 25 to 45min, and drying the dipped non-woven fabric at 45 to 65 ℃ for 15 to 35 h.
4. Use of the antibacterial nonwoven fabric for medical care and health use according to claim 1 or 2 for the production of surgical gowns and masks.
Priority Applications (1)
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| CN108950776A (en) * | 2018-09-11 | 2018-12-07 | 福建省德奥针织科技有限公司 | A kind of yarn spandex blend fibre and preparation method thereof |
| CN112064207B (en) * | 2020-09-03 | 2022-07-01 | 怡佳(福建)卫生用品股份有限公司 | Antibacterial deodorant spun-bonded non-woven fabric, planar mask with same and manufacturing method thereof |
| CN113355913A (en) * | 2021-05-12 | 2021-09-07 | 开贝纳米科技(苏州)有限公司 | Antibacterial non-woven fabric and preparation process and application thereof |
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