EP3009558A2 - Selbstreinigender verbundswerkstoff, methode zur gewinnung und deren verwendung - Google Patents

Selbstreinigender verbundswerkstoff, methode zur gewinnung und deren verwendung Download PDF

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Publication number
EP3009558A2
EP3009558A2 EP15186576.3A EP15186576A EP3009558A2 EP 3009558 A2 EP3009558 A2 EP 3009558A2 EP 15186576 A EP15186576 A EP 15186576A EP 3009558 A2 EP3009558 A2 EP 3009558A2
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EP
European Patent Office
Prior art keywords
tio
sio
nanocomposite
composite material
self
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.)
Withdrawn
Application number
EP15186576.3A
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English (en)
French (fr)
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EP3009558A3 (de
Inventor
Carla Joana Dos Santos Marinho Da Silva
Andreia Sofia De Sousa Monteiro
Domingos Alberto Oliveira Tavares Moreira
Antonio Rafael Ferreira Vieira
Filipe Cerqueira Da Silva
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Centitvc - Centro De Nanotecnologia E Materiais Te
Original Assignee
CENTI CT DE NANOTECNOLOGIA E MATERIAIS TECNICOS FUNCIONAIS E INTELIGENTES
Centitvc Centro de Nanotecnologia e Materiais Tecnicos Funcionais e Inteligentes
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Publication of EP3009558A2 publication Critical patent/EP3009558A2/de
Publication of EP3009558A3 publication Critical patent/EP3009558A3/de
Withdrawn legal-status Critical Current

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    • 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
    • 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
    • D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
    • 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
    • D06M11/77—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 silicon or compounds thereof
    • D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic 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
    • 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
    • D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
    • D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
    • D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
    • 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
    • D06M2200/01—Stain or soil resistance
    • 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
    • D06M2200/05—Lotus effect
    • 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
    • D06M2400/00—Specific information on the treatment or the process itself not provided in D06M23/00-D06M23/18
    • D06M2400/01—Creating covalent bondings between the treating agent and the fibre

Definitions

  • the present disclosure relates to a self-cleaning composite material capable of removing contaminants, in particular stains or spots, of solid structures after activation.
  • the present disclosure describes self-cleaning structures, particularly rigid, flexible or mixed structures, and processes for producing such self-cleaning structures.
  • stains or spots The presence of contaminants, such as stains or spots, occurs or may occur anywhere and in any situation. The presence of contaminants is therefore responsible for letting a solid substance or structure or material stained. Frequently, a stain or spot is the result of a chemical reaction between a colouring agent and the surface of a substance or structure or solid material and is responsible for its deterioration.
  • the present disclosure relates to the removal of contaminants, in particular stains or spots, of solid structures.
  • the present disclosure describes self-cleaning structures, particularly rigid, flexible or mixed structures and processes for producing such self-cleaning structures.
  • self-cleaning structure any rigid, flexible or mixed material, capable of promoting the degradation or removal of contaminants present on its surface by means of an external factor such as UV light, sunlight, moisture and combinations thereof.
  • the contaminants may relate to an organic or inorganic matter; they might be originated from external residues such as common stains, particularly stains of coffee, chocolate, ketchup, several sauces or others; they might also be the result of the growth of microorganisms or other contaminants that are not part of the ab initio structure.
  • rigid structure any material that is usually processed industrially in sheet-to-sheet processes, such as, but not limited to, wood, cork, ceramic, glass, plastics, and combinations thereof, among others.
  • flexible structure any material that is usually processed industrially in roll-to-roll processes or finishing coatings of rigid or flexible structures, such as, but not limited to, textiles, paper, nonwoven fabrics, polymers, paints, lacquers, and combinations thereof, among others.
  • textiles structures it shall be considered structures comprising in its composition textile fibres, natural or synthetic.
  • fabrics, knitted fabrics, fibres or yarns or other rigid structure comprising fabrics, knitted fabrics, fibres or yarns in its composition.
  • the composite materials described in the present disclosure are obtained by means of a process that involves the synthesis of functional nanoparticles/nanocomposites and its incorporation in the substrate, in order to ensure that the substrate do not undergo any kind of visual or qualitative change, maintaining unchanged its macroscopic properties such as visual appearance, colour, touch and feel.
  • An aspect of the present invention concerns to a self-cleaning composite material by activation comprising:
  • the nanocomposite features combined with the covalent bond of the nanocomposite to the substrate surprisingly allows to keep the self-cleaning properties of the substrate even after several washing cycles and also not change the colour/touch of the substrate, especially in textile substrates.
  • the ratio of TiO 2 particles/SiO 2 particles can be 40:5, 5:1.
  • the ratio of TiO 2 particles/SiO 2 particles on the surface may be determined by several conventional methods namely SEM-EDS, enabling to assess the amount of each atomic element on the substrate's surface, particularly on textile substrates.
  • the self-cleaning material of the present invention eliminates efficiently stains of coffee, tea, milk, chocolate, juices, soft drinks, sauces, blood, wine, and combinations thereof, does not change the colour and touch of the substrates in particular fabrics and can withstand numerous washing cycles.
  • the size of SiO 2 /TiO 2 nanocomposite of the self-cleaning material of the present invention can vary between 30 and 120 nm, preferably between 50 and 100 nm.
  • the dimensions of the nanocomposites can be calculated by several methods, namely electron microscopy - scanning electron microscope (SEM) or dynamic light scattering (DLS).
  • the self-cleaning material the nanocomposites are activated by ultraviolet light, visible light, sunlight, moisture and combinations thereof.
  • the amount of nanocomposite on the substrate's surface, particularly a textile can vary between 1 and 50 g/m 2 ; preferably between 2 and 20 g/m 2 ; more preferably between 5 and 10 g/m 2 .
  • Another aspect of the present disclosure relates to an article comprising a composite material described in the present invention wherein the article is a piece of clothing, garment, piece of laundry, fabric for shirt, curtain, sofa upholstery, motor vehicle upholstery.
  • Another aspect of the present disclosure relates to a method for preparing the SiO 2 /TiO 2 nanocomposite that comprises the following steps:
  • the stirring steps the preparation method of the SiO 2 /TiO 2 nanocomposite are performed for 0.5 - 3 hours, particularly for 1 - 2 hours.
  • the said stirring steps are performed between 20 - 80 °C, particularly at 40 - 60 °C.
  • the step of dispersing the mixtures in the ultrasonic bath is performed for 1- 24 hours.
  • the method herein described can further comprise an alkaline washing step.
  • the present disclosure also relates to a method of fixing the nanocomposites to the material comprising the following steps:
  • the nanocomposites described in this disclosure are mixtures of silica nanoparticles and titanium nanoparticles, particularly nanoparticles of silicon dioxide (SiO 2 ) and nanoparticles of titanium dioxide (TiO 2 ).
  • Another object of the disclosure presented herein is the effectiveness and the durability of the functionalization given to the structures, enabling them to withstand external aggressions such as washes, abrasion, friction, weathering exposure, among others.
  • the present disclosure describes a process for producing rigid, flexible or mixed self-cleaning composite materials, namely structures and article.
  • an external stimulus such as ultraviolet light, visible light, sunlight, moisture, or combinations of these parameters.
  • the present disclosure further relates to a self-cleaning composite material capable of removing contaminants, in particular stains or spots, of solid structures after activation.
  • a self-cleaning composite material capable of removing contaminants, in particular stains or spots, of solid structures after activation.
  • the present disclosure describes self-cleaning structures, particularly rigid, flexible or mixed structures and processes for producing such self-cleaning structures, especially indicated for clothing and textile articles.
  • nanocomposite comprising SiO 2 nanoparticles/TiO 2 nanoparticles, particularly in the anatase and rutile phases.
  • the nanoparticles of TiO 2 and the nanoparticles of SiO 2 are synthesised by low-temperature sol-gel processes.
  • the resulting silica nanoparticles, particularly silicon dioxide, are added to the TiO 2 nanoparticles and thereafter the mixture (SiO 2 nanoparticles and TiO 2 nanoparticles) is dispersed in an ultrasonic bath, particularly for 15 minutes.
  • the reaction mixture is maintained, particularly for 12 hours to form the SiO 2 /TiO 2 nanocomposite with a core-shell type structure.
  • the percentage ratio of TiO 2 nanoparticles in relation to SiO 2 nanoparticles is, particularly, of 40:5, more preferably of 20:2, and further preferably of 10:1.
  • the conditions for the SiO 2 /TiO 2 nanocomposites formation process are such that it is carried out so that the crystallization and formation process of SiO 2 /TiO 2 nanocomposites leads to a final dimension of thereof, particularly in the range of 100 nm, more preferable in the range of 50 nm.
  • One embodiment comprises the use of agro-industrial residues as a source of silica, particularly, lignocellulosic crop residues such as, but not limited to, rice hulls have been used for the synthesis of SiO 2 nanoparticles.
  • the present disclosure also relates to an ecological, effective and economic process of synthesis of SiO 2 /TiO 2 nanocomposites, favouring the already ecological application of the self-cleaning structures, since they require a significantly lower number of washing operations and consequently lower consumptions of water, surfactants and energy.
  • the SiO 2 /TiO 2 nanocomposite was incorporated in the structures by several processes, such as impregnation and/or spraying.
  • the obtained SiO 2 /TiO 2 nanocomposites were subjected to a preliminary step of derivatization, thereby ensuring a suitable functionalization of the substrates in question.
  • the obtained substrates have a high self-cleaning capability, with permanence of their visual aspect, touch and colour. Additionally, the substrates thus obtained ensure its high self-cleaning performance, even after several standard washing cycles at 40 °C.
  • the functionalization of flexible structures for application in the automotive sector such as curtains and upholstery for public transportation.
  • These structures due to their application are mainly used during the day, therefore are subjected to a high solar incidence, which makes them as the excellence application objects for the self-cleaning structures.
  • the self-cleaning functionalization is at two levels: an outer level, being more exposed to strong solar radiation, and one inner level working in a second layer that could be combined with a functionalization for easy cleaning in the superficial layer, thus enabling repellency of contaminants in a higher percentage and total elimination of those that are able to penetrate into the second layer.
  • the development of a cleaning system by means of ultraviolet radiation to place inside the automotive vehicles, more preferably for public transportation is also disclosed.
  • These vehicles are generally at rest at night-time, so they may have self-cleaning structures activated by ultraviolet light placed in the centre console, which will be activated during this specific period, thus enhancing the action of the solar daylight.
  • several rigid structures were submitted to functionalization with synthesized SiO 2 /TiO 2 nanocomposites, by an ultrasonic spraying process.
  • the nanocomposite dispersions were atomized using, for instance, a spraying system by ultrasound, particularly at 20 kHz for the structures surface.
  • suitable derivatization and curing processes were used to ensure the permanence of the effect to several external factors.
  • This functionalization process ensures a high saving in the consumptions of water, energy and SiO 2 /TiO 2 nanocomposite, further allowing that the nanocomposite be directly on the structures' surface and thus potentiate its photocatalytic action.
  • the present disclosure describes a method for functionalization of substrates for obtaining self-cleaning properties, involving the synthesis of SiO 2 /TiO 2 nanocomposites, its anchoring via chemical bond to the substrates and its performance test, through visualization of actual stains' degradation.
  • the materials/substrates comprising the SiO 2 /TiO 2 nanocomposites can be fabrics, fibres, yarns, films or structures of natural or synthetic origin, such as, but not limited to: cotton, flax, silk, wool, hemp, cork, lyocell, polyamide, polyester, polypropylene, polyurethane, acrylic, acetate, elastane, viscose, among others.
  • the materials/substrates obtained through the functionalization process described in this disclosure are harmless to the user's health and do not present any damage to the substrate such as change in the initial touch or colour, since the described process enables to obtain a self-cleaning substrate but without promoting degradation of the base substrate.
  • the functionality imparted to the material/substrate has a high degree of fastness to wash and friction, which until now was not possible to achieve with the current solutions, giving to the final product suitable characteristics to a wide variety of applications, ranging from clothing, footwear and upholstery, among others.
  • the functionalization process described herein occurs at low temperature conditions and using conventional equipment previously existing in the companies and without damaging the base material/substrate, being highlighted also its high resistance to the usage conditions, such as washing and abrasion, which makes this a more effective and cost-effective process from the economic and ecological point of view.
  • the preparation method of the SiO 2 /TiO 2 nanocomposite can comprise the following steps:
  • the nanocomposites are attached to the material/substrate by means of an impregnation and/or spraying technique.
  • silanes By scanning electron microscopy it was found that the addition of the silanes surprisingly promoted the covalent bond of the SiO 2 /TiO 2 nanocomposite to the textile material/substrate, having occurred by the linkage to the cotton hydroxyl groups given the high reactivity of silica.
  • a 100% cotton taffeta fabric was impregnated with the SiO 2 /TiO 2 nanocomposite resulting from the previously described process, particularly for 5 minutes, followed by a pressing step, particularly with a pressure of 2 bar and at 2.0m/s. Thereafter the fabric was subjected to a drying step, particularly at 80 °C for 10 minutes, followed by a curing step, particularly at 100 °C for 5 minutes.
  • the fabric functionalized by the method now disclosed was also subjected to efficacy tests, where common stains were used, such as coffee, chocolate, juices, among others.
  • the efficacy test enabled the evaluation of the self-cleaning effect through the stain removal capability after exposure to a lamp emitting ultraviolet (UV) light, with a wavelength between 250 - 380 nm, particularly 365 nm.
  • UV ultraviolet
  • the efficacy test was performed in the following conditions: a soluble coffee solution with a concentration of 2g/100 mL of boiling water was prepared. When the temperature of the coffee solution reached values between 60-65 °C, 30 ⁇ l of the solution was applied onto the control fabric and the SiO 2 /TiO 2 nanocomposite functionalized fabric in order to obtain a coffee stain in the corresponding fabrics. The fabrics, control and functionalized with SiO 2 /TiO 2 nanocomposite, were then subjected to the action of ultraviolet light with emission in a wavelength of 365 nm.
  • the coffee stain was chosen to perform the efficacy since it is common knowledge that the coffee stain, particularly hot coffee stains are difficult to remove.
  • the efficacy test was repeated after several washes and the results are shown in figure 5 .
  • the analysis of figure 5 shows that the self-cleaning substrate obtained by the present disclosure has the capability of removing completely the hot coffee stain, after 8 hours of exposure to an ultraviolet light. This efficacy in removing the coffee stain is maintained, even after the fabric is subjected to several washing cycles, particularly 30 washing cycles, performed according to the ISO standard 6330:2010.
  • the analysis of figure 5 also reveals that the removal of coffee stain has not occurred in the control fabric (non-functionalized fabric).
  • the self-cleaning material/substrate of the present disclosure was further analysed in a certified reference laboratory regarding abrasion resistance, according to the ASTM standard D4966 (Standard Test Method for Abrasion Resistance of Textile Fabrics (Martindale Abrasion Tester Method)), and it has been found by scanning electron microscopy the presence of SiO 2 /TiO 2 nanocomposite on the substrate surface, even after 10,000 cycles of abrasion, for all tested samples of the functionalized fabrics by the method of the present disclosure. The exception to this observation was naturally the control fabric.
  • the preparation method of the SiO 2 /TiO 2 nanocomposite can comprise the same steps described in the preparation method of the SiO 2 /TiO 2 nanocomposite of example 1, with the following variations: the percentages of hexadecyltrimethylammonium chloride (HTAC) and tetraethylorthosilicate (TEOS) were added to 4 parts of silica obtained from rice husks, after a calcination process at 600 °C and a further alkaline washing step, in order to provide a nanocomposite reactivity suitable to polyester substrates.
  • HTAC hexadecyltrimethylammonium chloride
  • TEOS tetraethylorthosilicate
  • the 100% polyester material/substrate/fabric was introduced in an atmospheric pressure plasma reactor, in order to increase its reactivity, and subjected to a plasma discharge, particularly under the following conditions: fabric passage speed 10m/min, 3% oxygen reactive gas in a stream of argon and plasma discharge power of 9 kW.
  • the referred 100% polyester material/substrate/fabric was functionalized with an ultrasonic spraying deposition of the SiO 2 /TiO 2 nanocomposite, particularly under the following conditions: speed of 2 m/min and compressed air pressure in the nozzles of 3 bar.
  • a mixture fabric containing 67% cotton and 33% polyester was additionally tested, using the same procedure described in example 2.
  • the mechanical properties of the fabric, the white degree (Berger whiteness) and the efficacy in removing hot coffee stain was determined, being found that no damage occurred in the substrate and that the functionalized fabric was capable of eliminating the coffee stain after 24 hours of solar radiation exposure and spraying with distilled water to maintain the moisture level, particularly at 10 % on the substrate surface.
  • the stain removal, particularly coffee, by exposure to solar radiation and moisture was complete, even after 30 washing cycles and 10,000 abrasion cycles (Martindale).
  • the functionalized fabrics by the method disclosed herein were subjected to evaluation tests of antibacterial activity according to the ASTM 2149-10 method and using a Staphylococcus aureus strain, particularly the Staphyloccoccus aureus ATCC 6538 strain.
  • the functionalised fabrics with SiO 2 /TiO 2 nanocomposites and corresponding controls were evaluated without and with 1 hour of UV radiation exposure.
  • table 2 the obtained results, for the antimicrobial activity, are found.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Detergent Compositions (AREA)
EP15186576.3A 2014-09-23 2015-09-23 Selbstreinigender verbundswerkstoff, methode zur gewinnung und deren verwendung Withdrawn EP3009558A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT10791314 2014-09-23

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EP3009558A2 true EP3009558A2 (de) 2016-04-20
EP3009558A3 EP3009558A3 (de) 2016-08-03

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107201648A (zh) * 2017-05-26 2017-09-26 天津工业大学 自清洁织物的制备方法
CN107858828A (zh) * 2017-11-16 2018-03-30 查治刚 量子材料涂料、其制备方法、量子材料涂覆布
CN108447943A (zh) * 2018-03-23 2018-08-24 浙江师范大学 一种硅片清洗后简单有效的保存方法
CN111139550A (zh) * 2019-12-30 2020-05-12 江苏众恒可来比家具有限公司 一种床品填充用自清洁聚酯纤维及其制备方法
WO2020243889A1 (en) * 2019-06-04 2020-12-10 Lora & Festa Limited Functional cashmere fiber and fabrication method thereof
EP4311875A1 (de) * 2022-07-27 2024-01-31 Technische Universität Darmstadt Mit siliciumdioxid beschiteter vliesstoff, verfahren zu seiner herstellung sowie seine verwendung

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WO2009136186A1 (en) 2008-05-09 2009-11-12 Airbus Uk Limited Surfaces with immobilized enzymes or anti-icing proteins
EP2479226A2 (de) 2009-09-18 2012-07-25 LG Chem, Ltd. Poröse struktur zur bildung einer fingerabdruckfesten beschichtung, verfahren zur bildung einer fingerabdruckfesten beschichtung mit der porösen struktur, substrat mit der in diesem verfahren gebildeten fingerabdruckfesten beschichtung und produkte mit dem substrat
US20120276617A1 (en) 2011-04-29 2012-11-01 Toyota Motor Corporation Coatings Containing Polymer Modified Enzyme For Stable Self-Cleaning Of Organic Stains

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WO2008045022A2 (en) * 2006-08-09 2008-04-17 Luna Innovations Incorporated Additive particles having superhydrophobic characteristics and coatings and methods of making and using the same
CN101851854B (zh) * 2009-03-31 2011-10-26 北京华美精创纳米相材料科技有限责任公司 制备具有耐洗性的超亲水毛织物的纳米整理方法

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Publication number Priority date Publication date Assignee Title
WO2009136186A1 (en) 2008-05-09 2009-11-12 Airbus Uk Limited Surfaces with immobilized enzymes or anti-icing proteins
EP2479226A2 (de) 2009-09-18 2012-07-25 LG Chem, Ltd. Poröse struktur zur bildung einer fingerabdruckfesten beschichtung, verfahren zur bildung einer fingerabdruckfesten beschichtung mit der porösen struktur, substrat mit der in diesem verfahren gebildeten fingerabdruckfesten beschichtung und produkte mit dem substrat
US20120276617A1 (en) 2011-04-29 2012-11-01 Toyota Motor Corporation Coatings Containing Polymer Modified Enzyme For Stable Self-Cleaning Of Organic Stains

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107201648A (zh) * 2017-05-26 2017-09-26 天津工业大学 自清洁织物的制备方法
CN107858828A (zh) * 2017-11-16 2018-03-30 查治刚 量子材料涂料、其制备方法、量子材料涂覆布
CN108447943A (zh) * 2018-03-23 2018-08-24 浙江师范大学 一种硅片清洗后简单有效的保存方法
WO2020243889A1 (en) * 2019-06-04 2020-12-10 Lora & Festa Limited Functional cashmere fiber and fabrication method thereof
CN113825872A (zh) * 2019-06-04 2021-12-21 罗拉发士达有限公司 功能性羊绒纤维及其制备方法
CN111139550A (zh) * 2019-12-30 2020-05-12 江苏众恒可来比家具有限公司 一种床品填充用自清洁聚酯纤维及其制备方法
CN111139550B (zh) * 2019-12-30 2022-05-03 江苏众恒可来比家具有限公司 一种床品填充用自清洁聚酯纤维及其制备方法
EP4311875A1 (de) * 2022-07-27 2024-01-31 Technische Universität Darmstadt Mit siliciumdioxid beschiteter vliesstoff, verfahren zu seiner herstellung sowie seine verwendung
WO2024023106A1 (en) * 2022-07-27 2024-02-01 Technische Universität Darmstadt Silica impregnated non-woven fabrics, their use and method for their manufacture

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