WO2005038122A1 - Procede pour preparer un textile contenant de l'argent - Google Patents

Procede pour preparer un textile contenant de l'argent Download PDF

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Publication number
WO2005038122A1
WO2005038122A1 PCT/CN2004/001050 CN2004001050W WO2005038122A1 WO 2005038122 A1 WO2005038122 A1 WO 2005038122A1 CN 2004001050 W CN2004001050 W CN 2004001050W WO 2005038122 A1 WO2005038122 A1 WO 2005038122A1
Authority
WO
WIPO (PCT)
Prior art keywords
textile
silver
solution
woven fabric
cotton
Prior art date
Application number
PCT/CN2004/001050
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English (en)
Chinese (zh)
Inventor
Jiancun Zhang
Rongyu Zheng
Huade Jiang
Peilin Sui
Yong Sun
Wu'an Wang
Chuangju Lu
Chunlian Zheng
Original Assignee
Tsinghua Yuanxing Bio-Pharm Science & Technology Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua Yuanxing Bio-Pharm Science & Technology Co., Ltd. filed Critical Tsinghua Yuanxing Bio-Pharm Science & Technology Co., Ltd.
Publication of WO2005038122A1 publication Critical patent/WO2005038122A1/fr

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • 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
    • D06M11/83—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 metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles

Definitions

  • the invention relates to the use of H 4 Ag 2 0 6 solution, in particular to its application in the production of silver-containing antibacterial textiles.
  • the invention also relates to a simplified manufacturing method for silver-containing antibacterial textiles. Background technique
  • the method is to dissolve silver nitrate in ammonia water to obtain [Ag (NH 3 ) 2 ] +, [Ag (NH 3 ) 2 ] + is reduced to elemental silver and fixed on the fabric, and then the silver-containing fabric is further oxidized with an oxidizing agent to obtain a silver-containing antibacterial fabric.
  • Liu Xiangwen's Chinese patent application CN1395828A discloses a rapid assembly method for nano silver antibacterial particles in the field. The method is to spray or paint silver nitrate directly on the surface of the fabric, and then treat the reducing agent or light to obtain an antibacterial silver-containing fabric.
  • U.S. Patent No. 6,364,420 B1 discloses a method for preparing a silver-containing fabric by immersing the fabric in an aqueous solution containing dissolved silver nitrate, and after soaking for a period of time, removing the fabric and immersing it in hot sodium hydroxide-containing solution In an aqueous solution of sodium persulfate and sodium sulphate, the solution is heated to 95-100 ° C, to obtain the desired silver-containing fabric.
  • This method involves two impregnations. The first impregnation is to impregnate the monovalent silver ions between the fibers of the fabric or on the fibers during deposition. The second impregnation is to oxidize the monovalent silver ions to silver peroxide (Ag 4 0 4 ), So that the fabric contains silver peroxide and has antibacterial properties.
  • Chinese patent application CN1214867A which has been assigned to the applicant, discloses a method for preparing a silver-containing fungicide.
  • the method includes the following steps: 1) taking silver oxide and adding steam Distilled water; 2) after stirring for 15-60 minutes, add concentrated acid dropwise so that the pH value is 2-3.5; 3) clarify for at least 2 hours, pour out the clear solution; 4) add hydrogen peroxide to the precipitate, Then, a fungicide containing H 4 Ag 2 0 6 was obtained.
  • the feature of this method is to use silver oxide, such as silver oxide or silver peroxide, as a raw material instead of the commonly used silver nitrate, so that the step of reducing silver ions to elemental silver is avoided. Summary of the invention
  • the invention is based on the use of the bactericide obtained from the Chinese patent application CN1214867A.
  • the present invention uses a bactericide containing H 4 Ag 2 0 6 to prepare a silver-containing antibacterial fabric, which greatly simplifies the process flow, thereby saving production costs. Therefore, an object of the present invention is to provide an application of a fungicide containing H 4 Ag 2 0 6 , and more particularly, it is an object of the present invention to provide a simplified method for producing an antibacterial textile containing silver.
  • the method of the invention avoids a series of disadvantages caused by high-temperature oxidation, greatly saves energy, and therefore reduces production costs.
  • the present invention provides a method for preparing a silver-containing textile.
  • the method includes the following steps:
  • the invention relates to the use of high-valent silver ion solutions.
  • the high-valent silver ion solution of the present invention is a H 4 Ag 2 0 6 solution, wherein the silver ions are in a positive tetravalent oxidation state.
  • a method for preparing the solution has been disclosed in Chinese patent application CN1214867A. It is obtained by using silver oxide, such as silver oxide or silver peroxide as a raw material, adding hydrogen peroxide in an acidic medium, and the total content of silver ions in the obtained solution is 1-5000 ppm.
  • a high-valent silver ion solution can also be obtained by dissolving silver oxide in persulfate. The total silver ion content in the obtained solution is 1-500 ppm.
  • This method is disclosed in Chinese patent application CN1149389A. The high-valent silver ion solution obtained by the above two methods can be used in the present invention.
  • the invention relates to the preparation of silver-containing antibacterial textiles using a high-valent silver solution.
  • the method of the present invention includes the following steps: 1) preparing a solution containing H 4 Ag 2 0 6 ;
  • Textiles which can be used in the method of the present invention include natural textile materials and synthetic textile materials.
  • the natural textile materials that can be used in the present invention can be cotton, wool, linen, chitosan and silk, preferably cotton, such as gauze, yarn, cotton non-woven fabric, and the like.
  • the synthetic textile material that can be used in the present invention refers to synthetic fibers, that is, a type of rayon, including, but not limited to, viscose, polyester, nylon, rayon, and acetate fibers. One of them can be used alone. Blended textiles of the above products can be used, either in the form of fabrics or in the form of fibers or yarns.
  • the textile used in the present invention may be a knitted fabric, a woven fabric, a non-woven fabric, or a yarn.
  • the textile is impregnated, rinsed, sprayed or coated with a H 4 Ag 2 0 6 solution.
  • the method used is conventional in the art.
  • the wetted textile is then allowed to dry.
  • the time for dipping, rinsing, spraying or coating textiles with H 4 Ag 2 0 6 solution varies according to the type of textile. For example, if it is a cotton fabric with good water absorption, the impregnation time can be short, only 1 second, and for synthetic fibers with poor water absorption such as viscose, the impregnation time is longer, which can be more than 30 seconds.
  • the drying method may be a method commonly used in the art, and is generally dried at 50-250 ° C, or may be directly irradiated with sunlight or irradiated with ultraviolet rays.
  • the silver content of the textile can be controlled by controlling the silver ion concentration of the high-valent silver ion solution.
  • the silver content of the textile obtained by the method of the present invention can be as high as 120 ⁇ ⁇ / ⁇ 2 .
  • the specific silver content also depends on the type of textile, such as the tightness of the fabric weaving, or whether it is a natural or synthetic fabric. Examples
  • a solution of H 4 Ag 2 0 6 was prepared according to the method of CN1214867A, so that the silver ion concentration in the obtained solution was 1000 ppm.
  • a piece of 38 g / m 2 cotton nonwoven fabric was taken, immersed in the above solution for 5 minutes, and then taken out, and then the silver-containing cotton nonwoven fabric was dried at 50 ° C.
  • the silver content on the cotton non-woven fabric was measured to be 36.5 g / C m 2 .
  • Example 2 A silver-containing cotton nonwoven fabric was prepared in the same manner as in Example i, except that the concentration of the H 4 Ag 2 0 6 solution was 3000 ppm.
  • the silver content on the cotton non-woven fabric was measured to be 75.8 g / cm 2 .
  • a silver-containing cotton nonwoven fabric was prepared in the same manner as in Example 1, except that the concentration of the H 4 Ag 2 0 6 solution was 4000 ppm. The silver content on the cotton non-woven fabric was measured to be 86.8 g / cm 2 .
  • Example 4
  • the H 4 Ag 2 0 6 solution was prepared according to the method of CN1149389A, so that the silver ion concentration in the obtained solution was 500 ppm.
  • At room temperature take a piece of cotton non-woven fabric, immerse it in the above solution for 30 seconds, take it out, and then dry the silver-containing cotton non-woven fabric at 50 ° C.
  • the silver content on the cotton nonwoven fabric was measured to be 16.7 g / cm 2 .
  • the H 4 Ag 2 0 6 solution was prepared according to the method of CN1149389A, so that the silver ion concentration in the obtained solution was 500 ppm.
  • At room temperature take a piece of cotton non-woven fabric, rinse it with the above solution for 1 minute, take it out, and then dry the silver-containing cotton non-woven fabric at 50 ° C.
  • the silver content on the cotton nonwoven fabric was measured to be 17.0 g / cm 2 .
  • the H 4 Ag 2 0 6 solution was prepared according to the method of CN1149389A, so that the silver ion concentration in the obtained solution was 500 ppm.
  • At room temperature take a piece of cotton non-woven fabric, rinse it with the above solution for 5 minutes, take it out, and then dry the silver-containing cotton non-woven fabric at 50 ° C.
  • the silver content on the cotton nonwoven fabric was measured to be 17.6 g / cm 2 . Examples 7-9
  • the silver-containing cotton nonwoven fabrics of Examples 7-9 were prepared in the same manner as in Example 4, except that the concentration of the H 4 Ag 2 0 6 solution was 50 ppm.
  • the cotton non-woven fabrics were impregnated for 30 seconds, 1 minute, and 5 minutes, respectively.
  • the silver content on the cotton non-woven fabric was measured to be 4.8 g / cm 2 , 5.1 g / cm, 5.5 g / cm.
  • the silver-containing cotton nonwoven fabrics of Examples 10-11 were prepared in the same manner as in Example i, except that the concentration of the H 4 Ag 2 0 6 solution was 20 ppm.
  • the cotton non-woven fabric impregnation time is 1 minute and 5 minutes, respectively.
  • the silver content on the cotton non-woven fabric was measured to be 2.3 ⁇ ⁇ / ⁇ ⁇ 2.6 g / cm 2 .
  • a solution of H 4 Ag 2 0 6 was prepared according to the method of CN1149389A, and the silver ion concentration in the solution was diluted to 500 pm. At room temperature, take a piece of viscose non-woven fabric, soak it in the solution for 1 minute, and take it out. After extrusion, it is dried at 170 ° to obtain a silver-containing viscose non-woven fabric. 2 .
  • Example 13
  • Example 14 As in Example 5, a viscose PET blended nonwoven fabric was used instead of the full viscose nonwoven fabric, and the obtained silver-containing viscose blended nonwoven fabric had a silver content of 18.9 g / cm 2 .
  • Example 14 As in Example 5, a viscose PET blended nonwoven fabric was used instead of the full viscose nonwoven fabric, and the obtained silver-containing viscose blended nonwoven fabric had a silver content of 18.9 g / cm 2 .
  • Example 5 As in Example 5, a piece of cotton non-woven fabric was taken, soaked in the solution for 1 minute, and after being squeezed, it was dried under light for 4 hours. The silver content was 16.1 g / cm 2 .
  • Example 1-12 The samples of Examples 1-12 and blank samples were used to perform the bacteriostasis test according to AATCC test method 100-1999.
  • the test bacteria was Staphylococcus aureus.
  • the calculation method of bacteriostatic rate is as follows:
  • Bacteriostatic rate [(CA) / C] X 100% Among them: A indicates the number of bacteria after 24 hours of incubation after inoculation of the drug-containing sample; C indicates the number of viable bacteria at "0" contact time after inoculation of the blank sample.
  • Cotton blank control samples were cultured for 24 hours after inoculation, and the number of live bacteria was 4.5 X 10 8; the number of live bacteria inoculated with "0" contact time was 6.8 X 10 7 ; the former was 6.6 times that of the latter.
  • Table 1 shows the experimental results of the present invention.
  • the silver-containing antibacterial fabric produced by the method of the present invention has good antibacterial properties. It can be concluded from this that the method of the present invention can produce silver-containing antibacterial textiles.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

L'invention concerne l'utilisation d'une solution de H4Ag2O6, et en particulier un procédé simple pour préparer un textile contenant de l'argent, présentant des propriétés antibactériennes. Ce procédé comprend les étapes suivantes: 1) préparation de la solution contenant du H4Ag2O6; 2) imprégnation, lavage, pulvérisation ou enduction du textile au moyen de la solution de H4Ag2O6 obtenue; et 3) séchage du textile mouillé. Ce procédé permet d'accélérer la production, et par conséquent d'augmenter la productivité et de réduire les coûts de production.
PCT/CN2004/001050 2003-10-09 2004-09-16 Procede pour preparer un textile contenant de l'argent WO2005038122A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200310100308.5 2003-10-09
CN200310100308.5A CN1274900C (zh) 2003-10-09 2003-10-09 含银纺织品的制备方法

Publications (1)

Publication Number Publication Date
WO2005038122A1 true WO2005038122A1 (fr) 2005-04-28

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Application Number Title Priority Date Filing Date
PCT/CN2004/001050 WO2005038122A1 (fr) 2003-10-09 2004-09-16 Procede pour preparer un textile contenant de l'argent

Country Status (2)

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CN (1) CN1274900C (fr)
WO (1) WO2005038122A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2445730A (en) * 2007-01-22 2008-07-23 Carrs Paints Ltd A water based anti-bacterial / microbial water proofing solution for porous surfaces
US7745509B2 (en) 2003-12-05 2010-06-29 3M Innovative Properties Company Polymer compositions with bioactive agent, medical articles, and methods
US8192764B2 (en) 2006-01-13 2012-06-05 3M Innovative Properties Company Silver-containing antimicrobial articles and methods of manufacture
US8399027B2 (en) 2005-04-14 2013-03-19 3M Innovative Properties Company Silver coatings and methods of manufacture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008011748A1 (fr) * 2006-06-26 2008-01-31 Shenzhen Yuanxing Bio-Pharm Science & Technology Co., Ltd. Procédé d'obtention de textiles contenant de l'argent de valence élevée et produits ainsi obtenus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1082645A (zh) * 1992-08-06 1994-02-23 蒋建华 长效广谱抗菌织物及其制作方法
CN1149389A (zh) * 1995-11-08 1997-05-14 陕西深华企业有限责任公司 一种含银的液态杀菌剂及其制备方法
CN1214867A (zh) * 1997-10-21 1999-04-28 蒋华德 含银杀菌剂的制备方法
JP2000248463A (ja) * 1999-02-25 2000-09-12 Catalysts & Chem Ind Co Ltd 繊維製品の抗菌加工方法
US6436420B1 (en) * 2000-01-05 2002-08-20 Marantech Holding, Llc High performance silver (I,III) oxide antimicrobial textile articles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1082645A (zh) * 1992-08-06 1994-02-23 蒋建华 长效广谱抗菌织物及其制作方法
CN1149389A (zh) * 1995-11-08 1997-05-14 陕西深华企业有限责任公司 一种含银的液态杀菌剂及其制备方法
CN1214867A (zh) * 1997-10-21 1999-04-28 蒋华德 含银杀菌剂的制备方法
JP2000248463A (ja) * 1999-02-25 2000-09-12 Catalysts & Chem Ind Co Ltd 繊維製品の抗菌加工方法
US6436420B1 (en) * 2000-01-05 2002-08-20 Marantech Holding, Llc High performance silver (I,III) oxide antimicrobial textile articles

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7745509B2 (en) 2003-12-05 2010-06-29 3M Innovative Properties Company Polymer compositions with bioactive agent, medical articles, and methods
US8193267B2 (en) 2003-12-05 2012-06-05 3M Innovative Properties Company Polymer compositions with bioactive agent, medical articles, and methods
US8399027B2 (en) 2005-04-14 2013-03-19 3M Innovative Properties Company Silver coatings and methods of manufacture
US8192764B2 (en) 2006-01-13 2012-06-05 3M Innovative Properties Company Silver-containing antimicrobial articles and methods of manufacture
US9289450B2 (en) 2006-01-13 2016-03-22 3M Innovative Properties Company Silver-containing antimicrobial articles and methods of manufacture
GB2445730A (en) * 2007-01-22 2008-07-23 Carrs Paints Ltd A water based anti-bacterial / microbial water proofing solution for porous surfaces

Also Published As

Publication number Publication date
CN1274900C (zh) 2006-09-13
CN1605676A (zh) 2005-04-13

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