EP2513370B1 - Procédé de production de textiles antibactériens - Google Patents

Procédé de production de textiles antibactériens Download PDF

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Publication number
EP2513370B1
EP2513370B1 EP09799712.6A EP09799712A EP2513370B1 EP 2513370 B1 EP2513370 B1 EP 2513370B1 EP 09799712 A EP09799712 A EP 09799712A EP 2513370 B1 EP2513370 B1 EP 2513370B1
Authority
EP
European Patent Office
Prior art keywords
silver
fabrics
added
water
sodium
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.)
Not-in-force
Application number
EP09799712.6A
Other languages
German (de)
English (en)
Other versions
EP2513370A1 (fr
Inventor
Sándor Csaba KISS
Imre Kiricsi
Zoltán KÓNYA
Zita Varga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Szegedi Szefo Zrt
Original Assignee
Szegedi Szefo Zrt
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 Szegedi Szefo Zrt filed Critical Szegedi Szefo Zrt
Priority to SI200930991T priority Critical patent/SI2513370T1/sl
Publication of EP2513370A1 publication Critical patent/EP2513370A1/fr
Application granted granted Critical
Publication of EP2513370B1 publication Critical patent/EP2513370B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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 relates to a method for producing antibacterial fabrics knitted 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.
  • silver possesses antibacterial nature.
  • the antibacterial impact of silver is due to the specific chemical reaction processes arising from its particular characteristics. Owing to the size of nanosilver particles, they are capable to react directly with bacteria, which usually have diameter between 1 nm and 10 nm.
  • the antibacterial impact of nanosilver particles consists in their increased chemical activity in consequence of their large specific surface and, as a result, bacterium cell is damaged, cell wall is injured, and nanosilver particles accumulate in the cell membrane, which results in the death of the cell.
  • Such coating inhibits application of nanosilver on the yarn in the way described in the above patent specification.
  • Further disadvantage of that solution is that the whole yarn surface is covered uniformly with nanosilver, therefore significantly more silver is used than it is necessary to achieve the goal at knitted fabrics worn as upper clothes.
  • a further disadvantage of that solution is that the yarn to be knitted is coated with nanosilver, as a consequence of which large silver loss may be produced at knitting.
  • the goal of the invention is to eliminate the mentioned disadvantages and, thus, to provide a method that can be also applied in case of fabrics knitted from more precious yarns for upper clothes, where the fabrics are knitted from yarn coated with substance providing shape-retentivity and preventing fluffing. It is to be noted that such fabrics are laundered less frequently than underwear or medical robes, moreover, that there is no need to entirely saturate the fabrics with silver, but silver coating is essential on the parts of the clothes close to the body-surface.
  • 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.
  • alkaline salts of organic acids with long carbon chain especially sodium salts of saturated or unsaturated fatty acids, mainly sodium palmitate, sodium oleate, sodium linoleate and sodium stearate, promote the binding of nanosilver particles on the yarn probably by absorption interaction between the coating on the yarn and the nanosilver particles, and thus, fixing the nanosilver on the yarn.
  • 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 fabrics or the parts of the fabrics knitted from the yarn which were coated with the substance providing shape-retentivity and preventing fluffing are also washed and/or soaked during or after their softening laundering in such a washing water, during and/or after their softening laundering, to which a surfactant or its solution in water, a silver salt or its solution in water, and then a reducing agent or its solution in water and sodium carbonate or its solution in water is added.
  • the surfactant or tensid can loosen the coating composed from substance - favourably from paraffin wax -providing shape-retentivity and preventing fluffing, and makes the surface of the yarn suitable to receive silver.
  • 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.
  • sodium salts of saturated or unsaturated fatty acid are used as alkaline salts of a saturated or unsaturated organic acid with long carbon chain, especially at least one of the following: sodium palmitate, sodium oleate, sodium linoleate and sodium stearate.
  • 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.
  • the quantity of the added reducing agent is chosen at a ratio of 1-2, preferably at a ratio of 1.2, compared to the quantity of the added silver.
  • the quantity of the added sodium carbonate is chosen at a ratio of 0,25-1, preferably at a ratio of 0.5-0.75, 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.
  • At least one of the following compounds is applied as reducing agent: ascorbic acid, D-glucose, hydroxyl amine, sodium borohydride.
  • paraffin wax is applied as substance providing shape-retentivity and preventing fluffing.
  • 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.
  • 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 micro-organisms 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.
  • the diameter of the nanosilver particles was 8.66 nm on average with ⁇ 1,18 nm average deviation, which data were specified based on recordings prepared with Philips CM 10 type transmission electron microscope operating at a voltage of 100 kV.
  • the antibacterial nature lasts even after at least 5 washing operations, which is enough in case of valuable fabrics for upper clothes, because they do not need frequent laundering.

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)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Artificial Filaments (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Claims (14)

  1. - Procédé de production de tissus antibactériens tricotés à partir de fil pré-traité, le fil des tissus étant revêtu d'une substance fournissant une rétention de forme et empêchant un peluchage au cours du pré-traitement, après quoi les tissus ou les parties des tissus sont tricotés à partir du fil revêtu et, ensuite, un blanchissage assouplissant des tissus ou des parties de ceux-ci est réalisé, après quoi les autres opérations nécessaires connues en elles-mêmes sont réalisées, caractérisé par le fait que les tissus tricotés ou les parties des tissus tricotés, qui sont tricotés à partir du fil qui a été revêtu d'une substance fournissant une rétention de forme et empêchant un peluchage, sont lavés et/ou trempés dans une eau de lavage pour obtenir un revêtement de nano-argent d'une manière telle qu'un sel alcalin d'un acide organique saturé ou insaturé à longue chaîne carbonée, en tant que tensioactif, ou sa solution dans l'eau, un sel d'argent ou sa solution dans l'eau, puis un agent réducteur ou sa solution dans l'eau et du carbonate de sodium ou sa solution dans l'eau sont ajoutés dans l'eau de lavage pendant et/ou après le blanchissage assouplissant.
  2. - Procédé selon la revendication 1, caractérisé par le fait que le sel de sodium d'acide gras saturé ou insaturé est utilisé en tant que sel alcalin d'un acide organique saturé ou insaturé à longue chaîne carbonée.
  3. - Procédé selon la revendication 2, caractérisé par le fait qu'au moins l'un ce qui suit est utilisé en tant que sel de sodium d'acide gras saturé ou insaturé : le palmitate de sodium, l'oléate de sodium, le linoléate de sodium et le stéarate de sodium.
  4. - Procédé selon la revendication 2, caractérisé par le fait que la quantité de sel de sodium ajouté d'acide gras est choisie à un rapport de 5-6,5 par comparaison avec la quantité d'argent ajouté.
  5. - Procédé selon la revendication 1, caractérisé par le fait que la quantité d'agent réducteur ajouté est choisie à un rapport de 1-2, de préférence à un rapport de 1,2, par comparaison avec la quantité d'argent ajouté.
  6. - Procédé selon la revendication 1, caractérisé par le fait que la quantité de carbonate de sodium ajouté est choisie à un rapport de 0,25-1, de préférence à un rapport de 0,5-0,75, par comparaison avec la quantité d'argent ajouté.
  7. - Procédé selon la revendication 1, caractérisé par le fait qu'au moins l'un ce qui suit est utilisé en tant que sel d'argent : le nitrate d'argent, l'acétylacétonate d'argent, le sulfate d'argent.
  8. - Procédé selon la revendication 1, caractérisé par le fait que la concentration d'argent dans l'eau de lavage est établie à 10-500 ppm, de préférence à 10-200 ppm, la plage que l'on préfère le plus étant de 20-80 ppm.
  9. - Procédé selon la revendication 1, caractérisé par le fait que le rapport du poids de l'argent ajouté dans l'eau de lavage est établi dans une plage comprise entre 1:500 et 1:2000 par comparaison avec le poids des tissus.
  10. - Procédé selon la revendication 1, caractérisé par le fait que le rapport de l'eau de lavage et du tissu est de 5-50, de préférence 10-15, en poids.
  11. - Procédé selon la revendication 1, caractérisé par le fait qu'au moins l'un des composés suivants est utilisé en tant qu'agent réducteur : l'acide ascorbique, le D-glucose, l'hydroxylamine et le borohydrure de sodium.
  12. - Procédé selon la revendication 1, caractérisé par le fait que de la cire de paraffine est utilisée comme substance fournissant une rétention de forme et empêchant un peluchage.
  13. - Procédé selon la revendication 1, caractérisé par le fait que les processus de lavage et de trempage sont réalisés dans une machine à laver pendant 3-50 minutes, de préférence pendant 8-30 minutes.
  14. - Procédé selon la revendication 1, caractérisé par le fait que les fils devraient contenir au moins l'une des matières suivantes : la laine, le coton, la soie.
EP09799712.6A 2009-12-16 2009-12-16 Procédé de production de textiles antibactériens Not-in-force EP2513370B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200930991T SI2513370T1 (sl) 2009-12-16 2009-12-16 Postopek za proizvodnjo antibakterijskih tkanin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/HU2009/000106 WO2011073697A1 (fr) 2009-12-16 2009-12-16 Procédé pour la production de tissu antibactérien

Publications (2)

Publication Number Publication Date
EP2513370A1 EP2513370A1 (fr) 2012-10-24
EP2513370B1 true EP2513370B1 (fr) 2014-05-14

Family

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Family Applications (1)

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EP09799712.6A Not-in-force EP2513370B1 (fr) 2009-12-16 2009-12-16 Procédé de production de textiles antibactériens

Country Status (4)

Country Link
EP (1) EP2513370B1 (fr)
HR (1) HRP20140733T1 (fr)
SI (1) SI2513370T1 (fr)
WO (1) WO2011073697A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102433733B (zh) * 2011-09-30 2013-07-24 桂林理工大学 四氢硼化钠还原制备抗菌剑麻纤维的方法
GB2511528A (en) 2013-03-06 2014-09-10 Speciality Fibres And Materials Ltd Absorbent materials
US11618696B2 (en) 2013-08-15 2023-04-04 Applied Silver, Inc. Antimicrobial batch dilution system
US10640403B2 (en) 2013-08-15 2020-05-05 Applied Silver, Inc. Antimicrobial batch dilution system
US9689106B2 (en) 2013-12-06 2017-06-27 Applied Silver, Inc. Antimicrobial fabric application system
US20170050870A1 (en) 2015-08-21 2017-02-23 Applied Silver, Inc. Systems And Processes For Treating Textiles With An Antimicrobial Agent
CA3092627A1 (fr) 2017-03-01 2018-09-07 Applied Silver, Inc. Systemes et procedes pour traiter des textiles avec un agent antimicrobien
CN113069586A (zh) * 2021-04-01 2021-07-06 浙江理工大学 一种含涂蜡丝素织物层和再生丝素蛋白载银药物层的双层伤口敷料的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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
EP1778010B1 (fr) * 2004-07-30 2014-06-04 Kimberly-Clark Worldwide, Inc. Compositions antimicrobiennes a base d'argent
CN1285795C (zh) * 2005-06-17 2006-11-22 深圳清华大学研究院 一种高效抗菌、防臭织物的制备方法
KR100723460B1 (ko) * 2005-07-05 2007-05-31 손만호 자동차 내장재용 은나노 코팅 표피재의 제조 방법

Also Published As

Publication number Publication date
EP2513370A1 (fr) 2012-10-24
SI2513370T1 (sl) 2014-09-30
HRP20140733T1 (hr) 2014-08-29
WO2011073697A1 (fr) 2011-06-23

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