CN100382705C - Multifunctional broad spectrum nanometer antibiotic material and its preparation method - Google Patents
Multifunctional broad spectrum nanometer antibiotic material and its preparation method Download PDFInfo
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- CN100382705C CN100382705C CNB031424678A CN03142467A CN100382705C CN 100382705 C CN100382705 C CN 100382705C CN B031424678 A CNB031424678 A CN B031424678A CN 03142467 A CN03142467 A CN 03142467A CN 100382705 C CN100382705 C CN 100382705C
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Abstract
The present invention relates to a multifunctional broad-spectrum nano antibacterial material and a preparation method. The antibacterial material comprises a base material, a water drainage dispersing agent which is coated on the surface of the base material, nano silver positive ion antiseptic powder, nano particles with far infrared radiating characteristics and coatings of octahedrite TiO 2 particles. The drainage dispersing agent on the antibacterial material can effectively disperse the nano particles, forms a film on a fiber surface, and cut an infecting chain to prevent liquid media from dispersing and penetrating a carrier by a capillary action, so that the stay time of the liquid media on the surface of the carrier is shortened. The nano silver positive ion antiseptic powder can provide antibiosis with high efficiency, high speed, persistence and broad spectrum. The nano particles with the far infrared radiating characteristics can provide antisepsis which is generated by a sterilizing mechanism of far infrared radiation to kill golden staphylococcus, streptococcus, pneumobacillus and colibacillus. The octahedrite particles can provide antisepsis generated by the sterilizing mechanism which can decompose bacteria into CO2 and H2 O under ultraviolet light, sunlight and/or other light sources by photocatalysis oxidation.
Description
Technical field
The present invention relates to a kind of multifunctional broad-spectrum nano anti-biotic material, and preparation method thereof.(A01N?59/00)
Background technology
In the past few decades, because expansion, poverty, defensive measure difference and the environment damage of population, global former disease of breaking out of having controlled and the infectious agent that can not treat all increase to some extent, all are to cause a disease all over the world and main causes of death such as AIDS virus and hepatitis C.The SARS (Severe Acute Respiratory Syndrome) in Hong Kong also is one of them example.The propagation of infectious disease has four approach: contact, media, air and bacteria carrier.Short of correct defensive measure infects and transmission of disease just can be invaded human body easily.In order to help people's prevention infection, weave, the porous material researchers disclose a kind of multifunctional broad-spectrum nano anti-biotic material and preparation method thereof in this application.
Based on the mechanism of transmission of infectious disease, in propagating chain, play the part of an important role by personal safety equipment such as mouth mask that the weaving porous material is made; If these weaving porous materials can provide antibacterial functions, will significantly improve the function of personal safety equipment.Done many research in this regard.Silver in the known metal, copper, titanium and zinc etc. all have antibiotic effect, and silver, copper and titanium all are safe metal concerning the mankind.United States Patent (USP) 6,379,712 B1 disclose a kind of antibacterium and antimycotic granula manufacture method that contains the nanometer silver granuel.United States Patent (USP) 6,017,553 disclose a kind of the anti-biotic material of precipitated metal antibiotic, biological adaptation on medical device.United States Patent (USP) 6,482,424 open and provide a kind of medical treatment fabric fibre it to have the cation that has been covered with copper be the fiber of oxidant.United States Patent (USP) 6,239,048 discloses a kind of method of using photosensitive antibiotic and antiviral material of making.In addition, some provide the patent of antibiotic fabric also can find (1291667,1362386,1379146,2438436,2524724,2505114) in the database of Chinese patent about utilizing the metal ion antibiotic effect.
All these existing inventions all are to use single anti-biotic material of planting that protection is provided, and lack systematic research so far for the function of protection and antibiotic mechanism, so its anti-mask is extensive inadequately.
Summary of the invention
Therefore, the objective of the invention is to overcome anti-biotic material function singleness, the anti-narrow defective of mask that prior art is used, thereby a kind of multifunctional broad-spectrum nano anti-biotic material is provided, and preparation method thereof.
The objective of the invention is to realize by the following technical solutions:
The invention provides a kind of multifunctional broad-spectrum nano anti-biotic material, comprise: a base material, it is characterized by this base material and applied antimicrobial coating, described antimicrobial coating comprises the cation anti-bacterial powder of hydrophobic dispersants, nanometer-level silver, the nano particle with far infrared radiation characteristic and anatase TiO
2Particle.
This base material can be various textiles, comprise nonwoven, knitted fabric and woven fabric, or other porous material, or other solid material.Have selectable porous size, base material also can be used as filter and infect chain to cut off.Preferably this basic material is to filter the thin dirt more than 0.5 micron, water base and liquefied gas colloidal sol.
Base material as carrier is not limited to mouth mask in actual applications, also is not limited to fabric.For example, can be all kinds of clothes that comprise gym suit, sick clothes, uniform or the like.Can be the bedding that comprise sheet, quilt cover, pillow or the like.Can be for example diaper and underpants or the like of the product used of gatism.Can be for example mouth mask, gloves, shoes, cap or the like of protective equipment.Can be other object such as blanket, furniture, air-conditioner filter screen, wall, picture in the household or the like.
The present invention also provides a kind of preparation method of multifunctional broad-spectrum nano anti-biotic material, comprises the steps:
1) prepare a base material, this base material is a fabric, or has applied the material of functional polymer coating; Base material has selectable porous size, can filter the thin dirt more than 0.5 micron, water base and liquefied gas colloidal sol;
2) emulsion of preparation multifunctional antibiotic component comprises:
Component 1: hydrophobic dispersants provides hydrophobic and the breathable function in order to the surface at base material; Such as Oleophobol C, it is the acrylic acid fluorohydrocarbon ester class water and oil repellant fabric finishing agent of ciba, is the aqueous emulsion of solvent with water, is used in the present invention fabric is refused water treatment.Its similar products also has the Scotchgard FC of U.S. 3M, the Zepel of Du Pont, the Unidyne TG of Daikin Industrial Co., Ltd etc.Oleophobol C range of application in the present invention is 40～80g/L.Compare with existing technology, Oleophobol C has three kinds of critical functions among the present invention, first provides hydrophobic effect for matrix material, cut off the source of infection effectively, second, itself has good film forming, and very big affinity is arranged with matrix material and nano particle, but the synergic nano particle forms firm film on matrix surface, need not be again with other resin film forming agent, so the product after handling all has air permeability and good, textile touch is good, the 3rd itself is exactly good dispersion emulsifier, can disperse a considerable amount of nanometer grade powders effectively;
Component 2: have the cation anti-bacterial powder of the nanometer-level silver of contact sterilization mechanism, can suppress bacterial reproduction, spore and hepatitis type B virus; Such as using MFS200 1.5～3.0g/L, (China's company's product tomorrow) provides the nanometer powder of silver-colored cation sterilizing function, and MC2A 1.5～3.0g/L, (China tomorrow company's product) main component Al2O3 provides the inorganic nano material of antibacterial characteristics by far infrared radiation.
Component 3: have the nano particle of far infrared radiation characteristic, the antibacterial functions by the bactericidal mechanism generation of far infrared radiation can be provided, can kill gold-coloured staphylococci, streptococcus, pneumonia and Escherichia coli; Such as using STK1.5～3.0g/L, (China's company's product tomorrow) is main antimicrobial component with the zinc calcium salt, is equipped with the inorganic antibacterial material that special far-infrared material is composited.
Component 4: anatase TiO
2Particle, can be provided under ultraviolet light, daylight and/or other light source becomes CO by photochemical catalytic oxidation with bacterial decomposition
2And H
2The antibacterial functions that the bactericidal mechanism of O produces also has the bacteriogenic harmful substance of being killed by component 2 and component 3 is decomposed into CO
2And H
2The function of O is to guarantee the effect of safety and protection; Such as with HR3 1.5～3.0g/L, (China's company's product tomorrow) anatase titanium dioxide nano particle has the nano anti-biotic material of photo-catalysis function.
In the process of preparation nano antibacterial finishing agent, by the prescription requirement each nano-powder component is weighed up, add Oleophobol C, add small amount of deionized water again, according to the concentration adding glacial acetic acid of 1～1.5ml/L.Start homogenizer, under 1200rpm speed, stirred 10 minutes, with deionized water with above mixture diluted behind certain volume, handled 20 minutes with the ultrasonic separating apparatus again, the dispersion emulsion that success prepares did not have precipitation within 24 hours.
3) step 2) emulsion of preparation by dipping, fill, apply or spray among any method be coated on the base material as carrier;
4) this material is carried out drying and bakes curing, baking temperature should preferably adopt the drying tumbler with blowing device to carry out, to blow the nano particle that does not adhere to off at 60～80 ℃.130～150 ℃ of baking temperatures were handled 3 minutes.For surgical face mask, because it adopts nonwoven to make, too high temperature can cause softening, the breakoff phenomenon of contraction etc., also can cause certain adverse effect in addition to the glued construction of medical mask, so for being the medical mask of raw material with the nonwoven, baking temperature was handled 3～5 minutes at 110～120 ℃.Through after baking, the nano particle of the collaborative high degree of dispersion of Oleophobol C will form firm antibacterial film on the surface of matrix, give the material durable antibiotic performance of processing.
5) also dry with blowing once more this material with the clear water cleaning, obtain the multifunctional broad-spectrum nano anti-biotic material.
Like this, just can obtain having had the multifunctional material of broad-spectrum antiseptic effect.
Description of drawings
Fig. 1 is the outer field electronic scanner microscope photograph with the surgical face mask of nanometer broad-spectrum antiseptic material preparation method processing of the present invention;
Fig. 2 is the electronic scanner microscope photograph with the middle level appearance of the surgical face mask of nanometer broad-spectrum antiseptic material preparation method processing of the present invention;
Fig. 3 is the electronic scanner microscope photograph with the internal layer of the surgical face mask of nanometer broad-spectrum antiseptic material preparation method processing of the present invention;
Fig. 4 is the outward appearance with the N95 surgical face mask of nanometer broad-spectrum antiseptic material preparation method processing of the present invention;
Fig. 5 is the electronic scanner microscope photograph with the outer surface of the N95 surgical face mask of nanometer broad-spectrum antiseptic material preparation method processing of the present invention;
Fig. 6 is the electronic scanner microscope photograph with nanometer broad-spectrum antiseptic material preparation method coated fiber of the present invention surface;
Fig. 7 is a photograph of being the antibacterial tests result of nanometer broad-spectrum antiseptic material of the present invention.
Embodiment
We are example with the mouth mask now, and the material of this mouth mask is that multilayer does not have anti-cloth, and this material can filter the thin dirt more than 0.5 micron, water base and liquid aerosol.This material is also handled with the emulsion of following functional component prescription as base material:
Prescription 1
1.Oleophobol C (Du Pont's product) 50g/L be used to provide hydrophobicity, film forming, three kinds of performances of dispersant.
2.MFS200 (China's company's product tomorrow) 1.8g/L provide the nanometer powder of antibacterial characteristics by the antibacterial functions of the cation of silver.
3.STK (China's company's product tomorrow) 1.8g/L provide the nanometer powder of antibacterial characteristics by far infrared radiation.
(4.HR3 China's company's product tomorrow) 1.8g/L anatase TiO
2Nanometer particle has the antibacterial agent of photo-catalysis function, heat resistance height.
Prescription 2
1.Oleophobol C (ciba product) 60g/L be used to provide hydrophobicity, film forming, three kinds of performances of dispersant.
(2.MFS200 China's company's product tomorrow) 2.5%
*The antibacterial functions of the cation by silver provides the nanometer powder of antibacterial characteristics.
(3.MC2A China's company's product tomorrow) 2.5%
*The main component aluminium oxide provides the nanometer powder of antibacterial characteristics by far infrared radiation.
(4.STK China's company's product tomorrow) 2.5%
*The nanometer powder of antibacterial characteristics is provided by far infrared radiation.
(5.HR3 China's company's product tomorrow) 2.5%
*Anatase TiO
2Nanometer particle is to provide the photochemical catalytic oxidation characteristic
*=percentage by weight
When the emulsion of above-mentioned prescription by dipping, fill, apply or spray among any method be coated to go up as each layer of the mouth mask of carrier after, this mouth mask has just had hydrophobic sterilizing function that the latex each component is invested simultaneously.Certainly, after coat operations, also to carry out drying and bake curing, and then will clean and dryly again handle and to use Gai Kou Testis.
Among Fig. 1 shown in the photograph is the microscopical appearance of the skin of surgical mask through 4,000 times of nanoemulsions processing back amplifications.Fig. 2 is the outer surface in the middle level of same mouth mask is handled 3,000 times of back amplifications through nanoemulsions a microscopical appearance.Fig. 3 is the internal layer of same mouth mask is handled 4,000 times of back amplifications through nanoemulsions a microscopical appearance.Fig. 4 is the overall appearance of N95 mouth mask.Fig. 5 is that N95 mouth mask outer surface amplifies 20 times microscopical appearance.Fig. 6 is that fiber surface is amplified 30,000 times microscopical appearance by nanometer latex lining back.Fig. 7 is the result of antibacterial test, is overlayed on as seen in Fig. 7 that nano material on the mouth mask shows gold-coloured staphylococci to the right (in wound/intestines/respiratory pathogen of hiding) and the Escherichia coli on the left side have effective inhibition effect.
In actual applications, carrier is not limited to mouth mask certainly.For example, can be various textiles, comprise adhesive-bonded fabric, knitted fabric and woven fabric, or other porous material, or other solid material.Have selectable porous size, base material also can be used as filter and infect chain to cut off.Preferably this basic material is to filter the thin dirt more than 0.5 micron, water base and liquefied gas colloidal sol.Weaving, nonwoven fabric or other material, or other has applied the material of functional polymer coating; Can be all kinds of clothes that comprise gym suit, sick clothes, uniform or the like; Can be the bedding that comprise sheet, coverlet, pillow or the like; Can be for example diaper and underpants or the like of the product used of gatism; Can be for example mouth mask, gloves, shoes, cap or the like of protective equipment; Can be other object such as blanket, furniture, air-conditioner filter screen, wall, picture in the household or the like.
Claims (11)
1. nano anti-biotic material, comprise: a base material, it is characterized by this base material and applied antimicrobial coating, described antimicrobial coating comprises the cation anti-bacterial powder of hydrophobic dispersants, nanometer-level silver, the nano particle with far infrared radiation characteristic and anatase TiO
2Particle, wherein said base material is a textile, hydrophobic dispersants is the Scotchgard FC of Oleophobol C, the U.S. 3M of Du Pont, the Zepel of Du Pont or the Unidyne TG of Daikin Industrial Co., Ltd, and hydrophobic dispersants: the cation anti-bacterial powder of nanometer-level silver: the nano particle with far infrared radiation characteristic: anatase TiO
2The weight ratio of particle is 40～80: 1.5～3.0: 1.5～3.0: 1.5～3.0.
2. nano anti-biotic material according to claim 1, it is characterized by described base material is nonwoven, knitted fabric or woven fabric.
3. nano anti-biotic material according to claim 2 is characterized by described base material and is product or protective equipment that clothes, bedding, gatism are used.
4. nano anti-biotic material according to claim 3, it is characterized by described clothes is gym suit, sick clothes or uniform.
5. nano anti-biotic material according to claim 3, it is characterized by described bedding is sheet, quilt cover or pillow.
6. nano anti-biotic material according to claim 3, it is characterized by the product that described gatism uses is diaper or underpants.
7. nano anti-biotic material according to claim 3, it is characterized by described protective equipment is mouth mask, protective garment, gloves, shoes or cap.
8. nano anti-biotic material according to claim 1, it is characterized by described base material is blanket.
9. the preparation method of a nano anti-biotic material comprises the steps:
1) prepare a base material, this base material is a textile; Base material has selectable porous size, can filter the thin dirt more than 0.5 micron, water base and liquefied gas colloidal sol;
2) emulsion of preparation multifunctional antibiotic component comprises:
Component 1: hydrophobic dispersants 40～80g/L, described hydrophobic dispersants are selected from the Scotchgard FC of OleophobolC, the U.S. 3M of Du Pont, the Zepel or the UnidyneTG of Daikin Industrial Co., Ltd of Du Pont;
Component 2: cation anti-bacterial powder 1.5～3.0g/L with nanometer-level silver of contact sterilization mechanism;
Component 3: nano particle 1.5～3.0g/L with far infrared radiation characteristic;
Component 4: anatase TiO
2Particle 1.5～3.0g/L;
After above-mentioned each component mixing, add the aqueous acetic acid of 1～1.5ml/L, stir, and handle the finely dispersed emulsion that can prepare with the ultrasonic separating apparatus;
3) step 2) emulsion of preparation by dipping, fill, apply or spray among any method be coated on the base material as carrier;
4) this material is carried out drying at 60～80 ℃, bake curing at 110～150 ℃ then;
5) this material is cleaned with clear water, and dry once more, obtain nano anti-biotic material.
10. the preparation method of nano anti-biotic material according to claim 9 is characterized by described step 2) described in component 2 the nanometer-level silver with contact sterilization mechanism the cation anti-bacterial powder for China tomorrow company's product MFS200; The nano particle with far infrared radiation characteristic of described component 3 is for being Chinese tomorrow of company's product STK of main antimicrobial component with the zinc calcium salt, or with Al
2O
3Chinese tomorrow of company's product MC2A for main component; The anatase TiO of described component 4
2Particle is for the anatase titanium dioxide being Chinese tomorrow of company's product HR3 of main component.
11. the preparation method of nano anti-biotic material according to claim 9, the emulsion that it is characterized by described multifunctional antibiotic component is following prescription:
Component 1: the product Oleophobol C of Du Pont water-repelling agent, 50g/L;
Component 2: China company's product nanometer powder MFS200 tomorrow, 1.8g/L;
Component 3: China company's product nanometer powder STK tomorrow, 1.8g/L;
Component 4: China company's product anatase TiO tomorrow
2Nanometer particle HR3,1.8g/L.
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| CNB031424678A CN100382705C (en) | 2003-06-10 | 2003-06-10 | Multifunctional broad spectrum nanometer antibiotic material and its preparation method |
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| CNB031424678A CN100382705C (en) | 2003-06-10 | 2003-06-10 | Multifunctional broad spectrum nanometer antibiotic material and its preparation method |
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| CN100382705C true CN100382705C (en) | 2008-04-23 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008060795A2 (en) * | 2006-10-18 | 2008-05-22 | 3M Innovative Properties Company | Antimicrobial articles and method of manufacture |
| DE102007023294B4 (en) * | 2007-05-26 | 2012-08-23 | Fachhochschule Kiel | Method for producing an implant with an abrasion-resistant biotoxic coating |
| CN101722818A (en) * | 2008-10-20 | 2010-06-09 | 法雷奥企业管理(北京)有限公司上海分公司 | Air conditioning system of automobile |
| CN106237527B (en) * | 2016-08-31 | 2018-10-09 | 福州市长乐区长胜信息技术有限公司 | A kind of nanometer microwave hemorrhoid postoperative care instrument |
| CN107801733A (en) * | 2017-10-25 | 2018-03-16 | 安徽古尔特科技有限公司 | Titania nanoparticles suppress the New function of Escherichia coli Growth |
| CN108056519A (en) * | 2017-12-20 | 2018-05-22 | 广东鹏运实业有限公司 | A kind of nanometer composite layer dress materials |
| CN108652107A (en) * | 2018-04-24 | 2018-10-16 | 四川吉鼎科技有限公司 | A kind of protective gloves of multifunctional intellectual regulating and controlling temperature |
| CN108755164B (en) * | 2018-06-01 | 2020-12-15 | 东莞鹭翔环保新材料科技有限公司 | Macromolecular latex foaming product for degrading formaldehyde and TVOC and inhibiting germs and preparation method thereof |
| US20200191358A1 (en) * | 2018-12-12 | 2020-06-18 | Aleddra Inc. | Elongated Lighting Apparatus |
| GB202007392D0 (en) * | 2020-05-19 | 2020-07-01 | Patchett Kim | Anti-viral fabric |
| GB2611971A (en) * | 2020-08-13 | 2023-04-19 | Univ Hong Kong Polytechnic | Three-dimensional printing antimicrobial products |
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| JP2002187806A (en) * | 2000-12-20 | 2002-07-05 | Nihon Tetra Pak Kk | Antimicrobial material |
| CN1385076A (en) * | 2002-01-21 | 2002-12-18 | 太原理工大学 | Nano phosphate antibiosis composition and process for preparing same |
| CN1402989A (en) * | 2002-09-12 | 2003-03-19 | 中国科学院广州地球化学研究所 | Delay-released inorganic nano antiseptic with high whiteness and its prepn |
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2003
- 2003-06-10 CN CNB031424678A patent/CN100382705C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002187806A (en) * | 2000-12-20 | 2002-07-05 | Nihon Tetra Pak Kk | Antimicrobial material |
| CN1385076A (en) * | 2002-01-21 | 2002-12-18 | 太原理工大学 | Nano phosphate antibiosis composition and process for preparing same |
| CN1402989A (en) * | 2002-09-12 | 2003-03-19 | 中国科学院广州地球化学研究所 | Delay-released inorganic nano antiseptic with high whiteness and its prepn |
Non-Patent Citations (1)
| Title |
|---|
| 复合抗菌粉体材料的制备与应用研究. 刘维良，李燕孙，李毅坚，于舵.中国陶瓷工业，第9卷第6期. 2002 * |
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| CN1565195A (en) | 2005-01-19 |
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