EP2513370A1 - Method for producing antibacterial fabrics - Google Patents
Method for producing antibacterial fabricsInfo
- Publication number
- EP2513370A1 EP2513370A1 EP09799712A EP09799712A EP2513370A1 EP 2513370 A1 EP2513370 A1 EP 2513370A1 EP 09799712 A EP09799712 A EP 09799712A EP 09799712 A EP09799712 A EP 09799712A EP 2513370 A1 EP2513370 A1 EP 2513370A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fabrics
- water
- silver
- added
- yarn
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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
- 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
-
- 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
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
-
- 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
- D06M13/10—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 oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts 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
- 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
- D06M13/10—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 oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/203—Unsaturated carboxylic acids; Anhydrides, halides or salts 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
-
- 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
-
- 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
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/08—Processes in which the treating agent is applied in powder or granular form
-
- 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
- D06M7/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made of other substances with subsequent freeing of the treated goods from the treating medium, e.g. swelling, e.g. polyolefins
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
Definitions
- the invention is based on the recognition that the fabrics or the parts of the fabrics knitted from yarn which were coated with substance - favourably with paraffin wax -providing shape-retentivity and preventing fluffing are treated to achieve their antibacterial property during or after their softening laundering in such a way that an alkaline salt of a saturated or unsaturated organic acid with long carbon chain, as a sufactant, silver salt and, then, a reducing agent and sodium carbonate are added to the laundering or to the soaking water.
- Our invention provides a suitable method for producing antibacterial fabrics from pre-treated yarn, where the yarn of the fabrics is coated with a substance providing shape-retentivity and preventing fluffing in the course of the pre- treatment, afterwards, the fabrics or the parts of the fabrics are knitted from the coated yarn and, subsequently, softening laundering of the fabrics or of the parts of the thereof is carried out, after this, the further necessary operations known themselves are performed.
- the operations known themselves mentioned earlier are usually the following varying depending on the yarn material as well: centrifuging at 500-800 rpm, drying usually below 80°C, favourably at temperature of 50-60°C, control of fabrics or the parts of fabrics, in case of parts of fabrics their assembly into ready-to-wear cloths, then, ironing of the semi-finished cloths, final sewing, ironing of the finished ready-to-wear cloths.
- the quantity of the added sodium salt of fatty acid is chosen at a ratio of 5-6.5 compared to the quantity of the added silver.
- At least one of the following compounds is applied as silver salt: silver nitrate, silver acetyl acetonate, silver sulphate.
- the concentration of silver in the washing water is set at 10-500 ppm, preferably at 10-200 ppm, the most preferred range is 20-80 ppm.
- the ratio of the weight of the silver fed into the washing water is set in a range between 1 :500 and 1 :2000 compared to the weight of the fabrics.
- the ratio of the washing water with the additives and the fabric is between 5-50, preferably 10-15, by weight.
- the washing and the soaking processes are performed in a washing machine, altogether for 3- 50 minutes, preferably for 8-30 minutes.
- Coating of fabrics with nanosilver layer becomes possible for pre-treated, coated fabrics, for example fabrics treated with paraffin wax and, thus, making clothes knitted from more precious yarn, for example from wool, cotton and silk, antibacterial. There is no silver loss during knitting. Further benefit is the simplicity of the production technology, as additional technological steps are not needed for coating with nanosilver layer since it can be implemented in the same phase as the softening laundering being part of the conventional technology.
- the nanosilver coating created to achieve antibacterial nature is usually present unevenly, that is, to a larger extent on the surface areas, whereas to a lesser extent in the elementary fibres, which means no disadvantage in case of upper wear, but less silver is consumed thus than in case of coating the yarn when its surface and inside of the elementary yarn is coated evenly.
- Example 1 Fabric parts or pieces knitted from pre-treated with paraffin wax yarn are laundered in water at temperature 30°C containing softener Softin available from wholesale trade. 0,25 litre Softin softener was dissolved in 100 litres of water. The next operation is the ironing of the semi-finished fabric pieces.
- the main ingredient of the applied softener is carboxyethyl-hydroyethyl- methylammonium-methosulphate, CAS number: 91 995-85-2.
- 4 kg of fabric pieces were immersed in washing water at 30°C, then solution of sodium oleate in washing water at concentration of 0,17391 g/litre was added as sodium salt of surface active fatty acid, finally silver nitrate solution in water at
- Example 2 Fabric parts or pieces knitted from pre-treated with paraffin wax yarn are laundered in water at temperature 30°C containing softener Softin available from wholesale trade. 0,25 litre Softin softener was dissolved in 100 litres of water. The next operation is the ironing of the semi-finished fabric pieces. Hereupon 10 kg of fabric pieces were immersed in washing water at 30°C, then solution of sodium oleate in water at concentration of 0,27826 g/litre was added as sodium salt of surface active fatty acid, finally silver nitrate solution in water at concentration of 0,08765 g/litre was added to it. The fabric pieces were properly rotated in the washing machine.
- ascorbic acid solution in water at concentration of 0,10908 g/litre was added as reducing agent, where 20 % surplus quantity of ascorbic acid was in relation to the quantity of the silver.
- sodium carbonate solution in water at concentration of 0,06957 g/litre was added.
- concentration of silver was set at about 56 ppm in 115 litres washing water. Fabric pieces were properly laundered for 8 minutes alternating rotating and soaking steps, then they were centrifuged and further in itself known operations were performed.
- sodium carbonate solution in water at concentration of 0,05455 g/litre was added.
- concentration of silver was set at about 44 ppm in 110 litres washing water. Fabric pieces were properly laundered for 14 minutes alternating rotating and soaking steps, then they were centrifuged and further in itself known operations were performed.
- sodium carbonate solution in water at concentration of 0,11364 g/litre was added.
- concentration of silver was set at about 91 ppm in 110 litres washing water. Fabric pieces were properly laundered for 50 minutes alternating rotating and soaking steps, then they were centrifuged and further in itself known operations were performed.
- Example 8 10 kg of fabric parts or pieces knitted from pre-treated with paraffin wax yarn were immersed in washing water at 35°C. Then softener Softin available from wholesale trade was added as in the above examples and solution of sodium oleate in water at concentration of 0,29091 g/litre was added as sodium salt of surface active fatty acid, finally silver nitrate solution in water at concentration of 0,07157 g/litre was added to it. The fabric pieces were properly rotated in the washing machine. Subsequently ascorbic acid solution in water at concentration of 0,08553 g/litre was added as reducing agent, where 20 % surplus quantity of ascorbic acid was in relation to the quantity of the silver.
- the antibacterial activity of the fabrics covered with silver was examined in all examples.
- the following bacteria were inoculated onto agar bed: Staphylococcus aureus (Gram+), Escherichia coli (Gram-), Pseudomonas aeruginosa (Gram-) and Candida albicans fungus.
- the examinations were made as follows: A sterilised sample of fabric was placed into a Petri dish, about 8 ml of nutrient substratum at 42 C° was layered onto it in thickness of 2-3 mm, then microorganisms were inoculated onto this solid nutrient substratum. The concentration of the micro-organism suspension was 10 5 - 10 6 cells/ml.
- the test samples were cultured at 30 C° for 24 hours. It has been found that microbial growth of the listed micro-organisms was held down at the samples prepared according to the examples in comparison to those of the fabric samples without silver coating.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Artificial Filaments (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200930991T SI2513370T1 (en) | 2009-12-16 | 2009-12-16 | Method for producing antibacterial fabrics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/HU2009/000106 WO2011073697A1 (en) | 2009-12-16 | 2009-12-16 | Method for producing antibacterial fabrics |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2513370A1 true EP2513370A1 (en) | 2012-10-24 |
EP2513370B1 EP2513370B1 (en) | 2014-05-14 |
Family
ID=41606592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09799712.6A Not-in-force EP2513370B1 (en) | 2009-12-16 | 2009-12-16 | Method for producing antibacterial fabrics |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2513370B1 (en) |
HR (1) | HRP20140733T1 (en) |
SI (1) | SI2513370T1 (en) |
WO (1) | WO2011073697A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9689106B2 (en) | 2013-12-06 | 2017-06-27 | Applied Silver, Inc. | Antimicrobial fabric application system |
US10351807B2 (en) | 2015-08-21 | 2019-07-16 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
US10640403B2 (en) | 2013-08-15 | 2020-05-05 | Applied Silver, Inc. | Antimicrobial batch dilution system |
US10760207B2 (en) | 2017-03-01 | 2020-09-01 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
US11618696B2 (en) | 2013-08-15 | 2023-04-04 | Applied Silver, Inc. | Antimicrobial batch dilution system |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102433733B (en) * | 2011-09-30 | 2013-07-24 | 桂林理工大学 | Method for preparing antibacterial sisal fibers by reducing sodium tetraborohydride |
GB2511528A (en) | 2013-03-06 | 2014-09-10 | Speciality Fibres And Materials Ltd | Absorbent materials |
CN113069586A (en) * | 2021-04-01 | 2021-07-06 | 浙江理工大学 | Preparation method of double-layer wound dressing containing wax-coated silk fibroin fabric layer and regenerated silk fibroin silver-loaded medicine layer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6979491B2 (en) | 2002-03-27 | 2005-12-27 | Cc Technology Investment Co., Ltd. | Antimicrobial yarn having nanosilver particles and methods for manufacturing the same |
AU2005280443B2 (en) * | 2004-07-30 | 2011-02-03 | Avent, Inc. | Antimicrobial silver compositions |
CN1285795C (en) * | 2005-06-17 | 2006-11-22 | 深圳清华大学研究院 | Preparation method for antibacterial and stinking-proof fabric |
KR100723460B1 (en) * | 2005-07-05 | 2007-05-31 | 손만호 | A manufacturing method of silver nano coating hypodermis for car interior |
-
2009
- 2009-12-16 SI SI200930991T patent/SI2513370T1/en unknown
- 2009-12-16 EP EP09799712.6A patent/EP2513370B1/en not_active Not-in-force
- 2009-12-16 WO PCT/HU2009/000106 patent/WO2011073697A1/en active Application Filing
-
2014
- 2014-07-29 HR HRP20140733AT patent/HRP20140733T1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2011073697A1 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10640403B2 (en) | 2013-08-15 | 2020-05-05 | Applied Silver, Inc. | Antimicrobial batch dilution system |
US11618696B2 (en) | 2013-08-15 | 2023-04-04 | Applied Silver, Inc. | Antimicrobial batch dilution system |
US9689106B2 (en) | 2013-12-06 | 2017-06-27 | Applied Silver, Inc. | Antimicrobial fabric application system |
US10000881B2 (en) | 2013-12-06 | 2018-06-19 | Applied Silver, Inc. | Method for antimicrobial fabric application |
US10087568B2 (en) | 2013-12-06 | 2018-10-02 | Applied Silver, Inc. | Antimicrobial fabric application system |
US10774460B2 (en) | 2013-12-06 | 2020-09-15 | Applied Silver, Inc. | Antimicrobial fabric application system |
US10351807B2 (en) | 2015-08-21 | 2019-07-16 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
US11292993B2 (en) | 2015-08-21 | 2022-04-05 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
US10760207B2 (en) | 2017-03-01 | 2020-09-01 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
US11053637B2 (en) | 2017-03-01 | 2021-07-06 | Applied Silver, Inc. | Systems and processes for treating textiles with an antimicrobial agent |
Also Published As
Publication number | Publication date |
---|---|
EP2513370B1 (en) | 2014-05-14 |
SI2513370T1 (en) | 2014-09-30 |
HRP20140733T1 (en) | 2014-08-29 |
WO2011073697A1 (en) | 2011-06-23 |
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