EP4389961A1 - Objet textile avec couche protectrice, procédé de fabrication de l'objet textile avec la couche protectrice, utilisation de l'objet textile et produit programme d'ordinateur avec une couche intermédiaire de simulation - Google Patents

Objet textile avec couche protectrice, procédé de fabrication de l'objet textile avec la couche protectrice, utilisation de l'objet textile et produit programme d'ordinateur avec une couche intermédiaire de simulation Download PDF

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Publication number
EP4389961A1
EP4389961A1 EP22215340.5A EP22215340A EP4389961A1 EP 4389961 A1 EP4389961 A1 EP 4389961A1 EP 22215340 A EP22215340 A EP 22215340A EP 4389961 A1 EP4389961 A1 EP 4389961A1
Authority
EP
European Patent Office
Prior art keywords
protective layer
textile
textile object
layer
anode
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.)
Pending
Application number
EP22215340.5A
Other languages
German (de)
English (en)
Inventor
Christian Doye
Jens Dahl Jensen
Ursus KRÜGER
Gabriele Winkler
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP22215340.5A priority Critical patent/EP4389961A1/fr
Publication of EP4389961A1 publication Critical patent/EP4389961A1/fr
Pending legal-status Critical Current

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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
    • 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
    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • 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
    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/48—Oxides or hydroxides of chromium, molybdenum or tungsten; Chromates; Dichromates; Molybdates; Tungstates
    • D06M11/485—Oxides or hydroxides of manganese; Manganates
    • 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
    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/50—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
    • 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
    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/45—Oxides or hydroxides of elements of Groups 3 or 13 of the Periodic Table; Aluminates
    • 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
    • D06M11/58—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 nitrogen or compounds thereof, e.g. with nitrides
    • D06M11/64—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 nitrogen or compounds thereof, e.g. with nitrides with nitrogen oxides; with oxyacids of nitrogen or their salts

Definitions

  • the invention relates to a textile object with a protective layer on a textile surface of the textile object and to a method for producing the textile object with the protective layer and a use of the textile object.
  • a computer program product with a digital twin for simulating an effect of the protective layer of the textile object is specified.
  • Textile objects include seats and headrests in long-distance trains. These textile objects are heavily contaminated.
  • the object of the present invention is to reduce the contamination of a textile object with germs.
  • a textile object with a textile surface wherein a protective layer for inhibiting an accumulation of biological material is arranged on the textile surface, the protective layer has at least one anode layer with at least one anode material and at least one cathode layer with at least one cathode material, and the anode layer and the cathode layer are designed such that at least one galvanic micro-cell with micro-anode and micro-cathode is formed in the presence of moisture.
  • the textile object is used in a container for water.
  • the container for water is selected at least from the group of containers for standing water and containers for flowing water.
  • the container for water is, for example, a water boiler for heating water.
  • any container for storing or carrying water e.g. pipe system
  • any container for storing or carrying water is conceivable.
  • a computer program product with a digital twin for simulating the effect of the protective layer of the textile object is specified.
  • Biomaterial is understood here to mean a material that contains genetic information and can reproduce itself (e.g. microorganisms) or can be reproduced in a biological system (e.g. viruses).
  • the protective layer makes it difficult or impossible for biological material to settle in the presence of water. This means that no biofilm can form on the textile surface or on the protective layer applied to the textile surface.
  • a galvanic micro-cell (galvanic micro-element) is an electrochemical reactor. In the presence of moisture, an electrolyte required for the galvanic micro-element is created.
  • Moisture can be contained in various media, e.g. in air (humidity) or in exhalations (sweat), secretions and excrements of living beings. With the help of the moisture in the various media, the micro-galvanic elements are formed. This is how (micro)electric fields can be created. At the (micro)cathode, reactive oxygen radicals are formed with the help of oxygen dissolved in the water. such as hyperoxides (superoxides) and hydroxyl radicals are formed electrochemically. Nucleic bases, which are contained in the nucleic acids DNA and RNA (ribonucleic acids) and are responsible for genetic information, consist of a basic structure of heterocyclic aromatic amines (purines and pyrimidines) with double bonds.
  • the radicals mentioned have unpaired electrons in the outer electron shell and attack the double bonds of the amines by filling their outer electron shell with the ⁇ electrons in order to achieve the noble gas configuration. This is accompanied by a loss of the double bond system in the ring and the nucleic bases can no longer pass on their information for protein biosynthesis and the replication of the nucleic acids DNA and RNA is interrupted.
  • the microorganism also has a proteinogenic amino acid with sulfur.
  • the sulfur of the amino acid can be oxidized to a sulfoxide by reactive oxygen species.
  • a hydroxyl group of a side chain of a proteinogenic amino acid can be oxidized to an aldehyde or a carboxyl group with the help of reactive oxygen species.
  • a chemically modified amino acid is formed. The chemically modified amino acid can no longer participate in the construction of vital proteins. As a result, the microorganism dies.
  • the cathode material is manganese dioxide (manganese oxide, manganese dioxide, MnO 2 ).
  • Manganese dioxide is characterized by an antimicrobial and antiviral effect.
  • the anode material is selected from the group of silver and cerium oxide.
  • the anode material is porous silver.
  • a porosity of the silver layer is selected from the range of 10 vol.% to 90 vol.% and in particular from the range of 50 vol.% to 90 vol.%.
  • a layer thickness of the protective layer is preferably selected from the range of 1 ⁇ m to 10 ⁇ m and in particular from the range of 2 ⁇ m to 5 ⁇ m.
  • the textile object is selected from the group of seat cushions and textile fleece.
  • the seat cushions and headrests are installed in public transport, for example. These seat cushions and headrests show contamination with germs because they are often not cleaned daily, but only during major intermediate or basic cleanings that are carried out every few weeks.
  • the fleece with the protective layer is, for example, attached to the back of an object that is not visible.
  • a wet-chemical spraying method is preferably used to arrange the protective layer.
  • Ultrasound is used in particular for the wet-chemical spraying method.
  • a spraying technique using ultrasound is used.
  • the container 6 for water is a pipe system.
  • the container 6 for water is a water boiler.
  • the textile object 1 has a textile surface 11, wherein a protective layer 2 for inhibiting an accumulation of biological material 3 is arranged on the textile surface 11.
  • the protective layer 2 has at least one anode layer 21 with anode material 210 and at least one cathode layer 22 with cathode material 220.
  • the anode layer 21 and the cathode layer 22 are designed such that in the presence of moisture at least one galvanic micro-cell 12 with micro-anode 31 and micro-cathode 32 is formed.
  • the cathode material 220 is manganese dioxide and the anode material is silver or cerium oxide.
  • the textile body 1 is a textile fleece 5, with which seat cushions 4 are designed in trains.
  • the textile fleece 5 is provided with a silver-manganese dioxide or a cerium oxide-manganese dioxide protective layer.
  • Figure 1B shows a combination of a cushion 4 and a textile fleece 5.
  • the textile fleece 5 is arranged on the back side 14 of the cushion 4.
  • the front side 13 of the poster 4 is uncovered.
  • Both the silver and the manganese dioxide and the cerium oxides (Ce 2 O 3 and CeO 2 ) are formed in situ wet-chemically on the starting textile surface 100 or on the textile surface 11 from the corresponding electrolyte.
  • the manganese(II) nitrate solution is adjusted to pH 8 either by adding ammonia or by adding a basic amino acid such as L-lysine.
  • a basic amino acid such as L-lysine.
  • Other basic amino acids such as L-histidine or L-arginine can also be used.
  • the manganese(II) salt is oxidized by the potassium permanganate to manganese(IV) oxide and the potassium permanganate is reduced by the manganese(II) salt to manganese(IV) oxide.
  • Manganese(IV) oxide comes from both the reducing agent (manganese(II) nitrate) and the oxidizing agent (KMnO 4 ).
  • Manganese dioxide is insoluble in aqueous and basic solutions and forms a precipitate on the surface to be coated. The precipitate is then dried in an oven at 110°C under atmospheric oxygen for 24 hours.
  • Silver is formed from a low concentration (5g/liter to 25g/liter) silver nitrate solution and glucose-ascorbic acid solution.
  • All of the solutions mentioned can be applied to the textile fleece by spraying them using normal paint spray guns with compressed gas or using special nozzle shapes using ultrasound.
  • Each partner of the antimicrobial system is made up of two corresponding electrolytes, which are sprayed separately onto the textile fleece simultaneously using two nozzles so that the respective bactericidal and virucidal particles are formed in situ.
  • Figure 3A shows nozzle arrangements in width and depth.
  • a cerium(III) nitrate solution is sprayed on and in the second row 302 the precipitant for cerium(III) oxide.
  • the precipitant is an ammonia solution.
  • a heat source infrared radiator 303 or hot air blower 304 for drying.
  • Rows 305 and 306 are also very close to each other, so that potassium permanganate and manganese (II) nitrate can be sprayed simultaneously. After drying With infrared radiator 307 or hot air blower 308 in atmospheric oxygen at 110°C for several hours, the long and wide textile fleece or fleece webs are ready and can be fed for further processing, e.g. as lining material for the upholstered seats.
  • textile objects in the form of clothing especially in the form of medical clothing or in the form of masks with a nose-mouth area or in the form of textile fleeces in filter systems are intended.
  • FIG. 3B shows a schematic representation of ultrasonic nozzles 309 arranged on a bridge frame 310.
  • Each ultrasonic nozzle 309 has a liquid supply channel 311 and an electrical plug for the ultrasonic generator as well as a piezo element for transmitting the ultrasound to the spray medium.
  • the liquid supply channels 311 are fed from a reservoir via a pump.
  • a central control unit 312 transmits a voltage to the electrical contacts of the ultrasonic nozzles so that the piezo element can perform a mechanical movement. These movements are transmitted to the spray medium.
  • the advantage of ultrasonic atomization is the uniform formation and distribution of the droplet size in order to produce thin films in the range of 1 ⁇ m, since the spray medium is atomized without pressure.
  • a thin liquid film is formed at the head of the nozzle, in which the piezo element is located, and the vibrations of the piezo create standing waves in the film.
  • the peaks of the standing waves detach at sufficiently high vibration amplitudes and form small droplets.
  • the droplets are guided onto the substrate via a carrier gas, which is also supplied as a forming gas.
  • the main factor influencing the droplet size is the frequency of the ultrasound application.
  • the size of the droplets is inversely proportional to two-thirds of the frequency.
  • the sulfur in a sulfur-containing proteinogenic amino acid can be converted to a sulfoxide or the hydroxyl group in the side chain of a proteinogenic amino acid to an aldehyde or carboxyl group.
  • a chemically The altered amino acid can no longer participate in the construction of vital proteins. Consequently, the microorganism dies.
  • Nucleic bases which are contained in the nucleic acids DNA and RNA and are responsible for the genetic information, consist of a basic structure of heterocyclic aromatic amines (purines and pyrimidines) with double bonds. Radicals such as superoxide (hyperoxide) or hydroxyl radicals with single unpaired electrons in the outer electron shell attack the double bonds by filling their outer electron shell with the ⁇ electrons in order to achieve the noble gas configuration. This results in a loss of the double bond system in the ring and the nucleic bases can no longer pass on their information for protein biosynthesis and the replication of the nucleic acids DNA and RNA is interrupted. Here too, the microorganism dies.
  • a catalytically supported redox process is triggered at the micro-anode (silver) when it comes into contact with a charged shell of the micro-organism. In this case, too, the microorganisms are destroyed by oxidation. The micro-anode then returns to its original state.
  • FIGS. 7A and 7B are examples of proteinogenic amino acids whose functional groups can be oxidatively modified by means of the invention.
  • Figure 7C shows, based on the oxidation of adenine (nucleic base in DNA and RNA), basic reactions that are triggered in molecules of a microorganism with the help of the invention, so that proliferation of the microorganism and thus accumulation of multiplied microorganisms is not possible.
  • adenine nucleic base in DNA and RNA
  • the effect of the protective layer is simulated using a computer program product.
  • the computer program product has a digital twin.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
EP22215340.5A 2022-12-21 2022-12-21 Objet textile avec couche protectrice, procédé de fabrication de l'objet textile avec la couche protectrice, utilisation de l'objet textile et produit programme d'ordinateur avec une couche intermédiaire de simulation Pending EP4389961A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22215340.5A EP4389961A1 (fr) 2022-12-21 2022-12-21 Objet textile avec couche protectrice, procédé de fabrication de l'objet textile avec la couche protectrice, utilisation de l'objet textile et produit programme d'ordinateur avec une couche intermédiaire de simulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22215340.5A EP4389961A1 (fr) 2022-12-21 2022-12-21 Objet textile avec couche protectrice, procédé de fabrication de l'objet textile avec la couche protectrice, utilisation de l'objet textile et produit programme d'ordinateur avec une couche intermédiaire de simulation

Publications (1)

Publication Number Publication Date
EP4389961A1 true EP4389961A1 (fr) 2024-06-26

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Family Applications (1)

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EP22215340.5A Pending EP4389961A1 (fr) 2022-12-21 2022-12-21 Objet textile avec couche protectrice, procédé de fabrication de l'objet textile avec la couche protectrice, utilisation de l'objet textile et produit programme d'ordinateur avec une couche intermédiaire de simulation

Country Status (1)

Country Link
EP (1) EP4389961A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021190912A1 (fr) * 2020-03-24 2021-09-30 Siemens Aktiengesellschaft Matériau fibreux pour utilisation antibactérienne et/ou antivirale, filtre, protection buccale/nasale, utilisation dans la protection buccale/nasale, et procédé de production d'un matériau fibreux
EP3915377A1 (fr) * 2020-05-26 2021-12-01 AgXX Intellectual Property Holding GmbH Compresse hybride antiseptique pour le traitement local des plaies
WO2022142126A1 (fr) * 2020-12-29 2022-07-07 北方工业大学 Système de commande jumelée numérique pour cellule d'électrolyse d'aluminium

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021190912A1 (fr) * 2020-03-24 2021-09-30 Siemens Aktiengesellschaft Matériau fibreux pour utilisation antibactérienne et/ou antivirale, filtre, protection buccale/nasale, utilisation dans la protection buccale/nasale, et procédé de production d'un matériau fibreux
EP3915377A1 (fr) * 2020-05-26 2021-12-01 AgXX Intellectual Property Holding GmbH Compresse hybride antiseptique pour le traitement local des plaies
EP3915374A1 (fr) * 2020-05-26 2021-12-01 AGXX Intellectual Property Holding GmbH Composition bioactive de destruction des cellules
WO2022142126A1 (fr) * 2020-12-29 2022-07-07 北方工业大学 Système de commande jumelée numérique pour cellule d'électrolyse d'aluminium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE INSPEC [online] THE INSTITUTION OF ELECTRICAL ENGINEERS, STEVENAGE, GB; 2022, LI Q ET AL: "Study on Two-Phase Permeation of Oxygen and Electrolyte in Lithium Air Battery Electrode Based on Digital Twin", XP002809362, Database accession no. 22875124 *

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