EP3132086B1 - Procédé destiné à améliorer les propriétés chimiques et/ou physiques d'un fil ou d'un tissu - Google Patents

Procédé destiné à améliorer les propriétés chimiques et/ou physiques d'un fil ou d'un tissu Download PDF

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Publication number
EP3132086B1
EP3132086B1 EP15726697.4A EP15726697A EP3132086B1 EP 3132086 B1 EP3132086 B1 EP 3132086B1 EP 15726697 A EP15726697 A EP 15726697A EP 3132086 B1 EP3132086 B1 EP 3132086B1
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Prior art keywords
fibers
chitosan
yarn
derivatives
polymer
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EP15726697.4A
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German (de)
English (en)
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EP3132086A1 (fr
Inventor
Elisabetta CANEPA
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Canepa SpA
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Canepa SpA
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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
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives 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
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
    • 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
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/08—Organic compounds
    • D06M10/10—Macromolecular compounds
    • 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
    • D06M15/70—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment combined with mechanical treatment
    • 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
    • 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
    • D06M2200/45—Shrinking resistance, anti-felting properties

Definitions

  • the present invention relates to a process for improving the chemical and/or physical properties of a yarn or fabric, preferably a thin yarn or fabric made from natural animal fibers, vegetable fibers, synthetic polymer fibers and/or man-made natural polymer fibers, used at pure state or blended together
  • weaving shall be intended to cover both warp-and-weft weaving and knit-weaving.
  • Thin yarns of the above mentioned type are known to be difficult to weave together, due to their thinness which makes them prone to breaking during weaving.
  • a weaving technique is known in the art, e.g. from WO 2013/057723 , which includes the steps of applying a reinforcement solution comprising chitosan and/or derivatives thereof to the fibers of the yarn, crosslinking the chitosan and/or derivatives thereof, e.g. by exposure to UV radiation and a desizing step, for removing the chitosan and/or derivatives thereof, as well as a partial and calibrated desizing step for removal of both the chitosan and/or derivatives thereof after crosslinking.
  • chitosan and/or its derivatives are easily removed because chitosan and/or its derivatives are soluble under appropriate conditions, such removal being simply obtained by submitting the yarn or fabric to a washing step or one of the usual finishing steps, e.g. a dyeing step obtained by immersing the fibers in a suitable dyeing solution at temperatures above 60°C.
  • crosslinked chitosan and/or crosslinked chitosan derivatives generate a water-insoluble crosslinked polymer which remains permanently anchored to the fibers even after a number of successive washing steps with hot and/or soapy water or after a hot-dyeing step.
  • crosslinking of chitosan and/or derivatives thereof can increase cohesion thereof to the fibers of the yarns.
  • the crosslinked polymer resulting from crosslinking of chitosan and/or derivatives thereof is applied to the treated fibers in substantially undissolvable and durable fashion.
  • the presence of this crosslinked polymer resulting from crosslinking of chitosan and/or derivatives thereof can:
  • the amount of such crosslinked polymer resulting from crosslinking of chitosan and/or derivatives thereof on the fibers shall not exceed the amount that is strictly sufficient to obtain the required benefits.
  • any excess of such crosslinked polymer on the fibers will cause the drawback that the yarns and fabrics will exhibit a high resistance but also excessive rigidity.
  • Such desizing step may be:
  • the invention also relates to the use of a reinforcement product comprising a composition of chitosan and/or derivatives thereof as defined in claim 15.
  • the yarn which is preferably a fine yarn, comprises natural animal fibers and/or vegetable fibers, and/or man-made natural polymer fibers and/or man-made natural crosslinked polymer fibers, used at pure state or blended together.
  • a process of the invention for improving the chemical and/or physical properties of a yarn made from natural animal fibers, vegetable fibers, synthetic polymer fibers and/or man-made natural polymer fibers, at pure state or blended together comprises the steps of:
  • the above mentioned desizing step e), for partial and calibrated removal of said crosslinked reinforcement polymer derived from chitosan and/or derivatives thereof from such fibers of said yarn is carried out by mechanical means.
  • the yarn obtained by the above described process steps b), c), d) and e) is a yarn having improved mechanical strength, remarkable sanitizing, antibacterial and antifelting properties and an excellent finish affinity (e.g. dye and print affinity), partial and calibrated desizing for removal of the crosslinked polymer being advantageously obtained simply and quickly by mechanical means.
  • a process for improving the chemical and/or physical properties of a fabric or knit comprising yarns made from natural animal fibers, vegetable fibers, synthetic polymer fibers and/or man-made natural polymer fibers, at pure state or blended together, comprising a step of warp-and-weft weaving of said yarns or a step of knitting of said yarns, wherein at least one or both of the warp and weft yarns, preferably the warp yarn only, used in this weaving step or a yarn used in said knitting step, is a yarn that undergoes the following process steps:
  • the yarn undergoes a step f) of warp-and-weft weaving of said yarns or a step of knitting of said yarns, wherein one or both of the warp and weft yarns, preferably the warp yarn only, used in this weaving step or in said knitting step, is a yarn that undergoes said process steps b), c) and d).
  • the fabric or knit so obtained undergo a desizing step g) with partial and calibrated removal of said crosslinked reinforcement polymer derived from chitosan and/or derivatives thereof, from the fibers of the fabric or knit.
  • the above mentioned desizing step g) with partial and calibrated removal of said crosslinked reinforcement polymer derived from chitosan and/or derivatives thereof from such fibers of said yarn is at least partially carried out by acting upon said fibers by mechanical means.
  • a process for improving the chemical and/or physical properties of a fabric, knit or garment comprising at least one yarnmade from natural animal fibers, vegetable fibers, synthetic polymer fibers and/or man-made natural polymer fibers, at pure state or blended together. This process comprises the steps of:
  • the above mentioned desizing step m) with partial and calibrated removal of said crosslinked reinforcement polymer derived from chitosan and/or derivatives thereof from the fibers of said fabric, knit or garment is at least partially carried out by acting upon said fibers by mechanical means.
  • the partial and calibrated desizing step i.e. a sizing step that does not involve complete removal of the crosslinked polymer applied on the fibers
  • the partial and calibrated desizing step is at least partially carried out by mechanical desizing, whereby the fibers to be desized are physically acted upon by abrasion, rubbing, brushing and/or by treatments adapted to remove part of the crosslinked chitosan and/or chitosan-derived polymer from the fibers, such as by ultrasonic treatment.
  • said mechanical abrasion and/or rubbing treatment for partial and calibrated removal of the crosslinked chitosan and/or chitosan-derived polymer may be carried out on the yarn during weaving, e.g. by sliding the yarn in contact with special rigid surfaces.
  • These rigid surfaces may consist of the dent and slaying surfaces of a reed, eye holes, namely healds or Jacquard heddles, through which the yarn is slid during weaving, surfaces of rollers contacted by the sliding yarn during weaving, bristles of a brush, and others.
  • These mechanical abrasion and/or rubbing treatments may be carried out on yarn fibers even after the weaving or knitting step, i.e. by directly acting upon the finished fabric or knit. In this case, these mechanical treatments are advantageously carried out by brushing the fabric or the knit.
  • the partial and calibrated mechanical desizing step for removing the crosslinked chitosan and/or chitosan-derived polymer from the fibers of the yarn or fabric or knit may be carried out by ultrasonic treatment of such fibers. Conveniently this may take place, for example, with the fibers of the yarn, fabric or knit immersed in a liquid in which an ultrasound-emitting probe is introduced.
  • the ultrasonic treatment of the fibers may be carried out at the same time as a step of weaving or finishing during which the fibers are already immersed in a bath, for example during a step of washing the fibers or knit or during a dyeing step.
  • the partial and calibrated mechanical desizing step may be carried out in addition to a chemical or an enzymatic desizing step.
  • the partial and calibrated desizing step using ultrasounds may be carried out at the same time as a partial and calibrated chemical or enzymatic desizing step, using the same bath, which will afford a synergy of effects between the different desizing steps.
  • the step of crosslinking the chitosan and/or its derivatives is preceded by a a step of drying the fibers of the yarn, fabric or knit and the crosslinked chitosan and/or chitosan-derived polymer applied to the fibers of the yarn, fabric or knit, to thereby facilitate the later chitosan crosslinking step.
  • the chitosan crosslinking step is carried out by a step of UV exposure of the fibers of the yarn, fabric, knit or garment, chemical crosslinking being also possibly provided.
  • the step of sizing said finished fabric, knit or garment is carried out by foularding and/or impregnation of the finished fabric, knit or garment in the sizing solution.
  • the chitosan in use has a low molecular weight, e.g. of the order of 150,000 Da.
  • it is a chitosan with 75 ⁇ 85% degree of deacetylation; 20 ⁇ 200 cps viscosity at a concentration range of 0.5 ⁇ 10% w/v, preferably 0.8 ⁇ 3% w/v, more preferably 1% w/v;
  • said acid aqueous solution comprises acetic acid at a concentration of 1.5 ⁇ 3.8% v/v, preferably at a concentration of 1.8 ⁇ 2.22% v/v, more preferably at a concentration of 2% v/v.
  • said step of sizing the fibers of the yarn, fabric, knit or garment with said sizing solution is carried out with a bath ratio ranging from 1 ⁇ 7 to 1 ⁇ 35, preferably with a bath ratio ranging from 1 ⁇ 10 to 1 ⁇ 30, more preferably with a bath ratio ranging from 1 ⁇ 16 to 1 ⁇ 24.
  • said step of sizing said finished fabric, knit or garment with said sizing solution is carried out with a bath ratio ranging from 1 ⁇ 7 to 1 ⁇ 35, preferably with a bath ratio ranging from 1 ⁇ 10 to 1 ⁇ 30, more preferably with a bath ratio ranging from 1 ⁇ 16 to 1 ⁇ 24.
  • this desizing step with partial and calibrated removal of said crosslinked chitosan-derived reinforced polymer from the fibers of said yarn, leaves said crosslinked chitosan-derived reinforcement polymer on the fibers of said yarn subjected to said sizing step, in an amount of 0.3 ⁇ 9 % w/w based on the dry weight of the yarn after said sizing step.
  • the yarn which is preferably a thin yarn, may also comprise a doubled yarn with a monofilament or multifilament yarn containing chitosan or be doubled with a yarn made of discontinuous fibers, containing chitosan.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (15)

  1. Procédé d'amélioration des propriétés chimiques et/ou physiques d'un fil fabriqué en fibres animales naturelles, fibres végétales, fibres de polymère synthétique et/ou fibres de polymère naturel artificielles, à l'état pur ou mélangées ensemble, ledit procédé comprenant les étapes consistant à :
    a) fournir un fil fabriqué en fibres animales naturelles, fibres végétales, fibres de polymère synthétique et/ou fibres de polymère naturel artificielles, à l'état pur ou mélangées ensemble ;
    b) préparer une solution d'encollage comprenant une composition de chitosane et/ou des dérivés de ce dernier en tant que produit de renforcement ;
    c) encoller ledit fil avec ladite solution d'encollage pour appliquer ledit produit de renforcement comprenant du chitosane et/ou des dérivés de ce dernier sur les fibres dudit fil par imprégnation et/ou revêtement au moins partiels ;
    d) réticuler au moins partiellement le chitosane et/ou des dérivés de ce dernier dudit produit de renforcement appliqué sur les fibres par ladite étape d'encollage c), pour obtenir un polymère de renforcement réticulé dudit chitosane et/ou de dérivés de ce dernier, ledit polymère étant ancré en permanence aux fibres dudit fil et
    e) effectuer une étape de désencollage pour l'élimination partielle et calibrée dudit polymère de renforcement réticulé dérivé du chitosane et/ou de dérivés de ce dernier, et ancré aux fibres dudit fil, des fibres dudit fil, caractérisé en ce que l'étape de désencollage e) susmentionnée ayant pour objectif d'éliminer de manière partielle et calibrée ledit polymère de renforcement réticulé dérivé du chitosane et/ou de dérivés de ce dernier de ces fibres dudit fil est effectuée par des moyens mécaniques.
  2. Procédé d'amélioration des propriétés chimiques et/ou physiques d'un tissu ou tricot comprenant des fils fabriqués en fibres animales naturelles, fibres végétales, fibres de polymère synthétique et/ou fibres de polymère naturel artificielles, à l'état pur ou mélangées ensemble, ledit procédé comprenant les étapes consistant à :
    a) fournir un fil fabriqué en fibres animales naturelles, fibres végétales, fibres de polymère synthétique et/ou fibres de polymère naturel artificielles, à l'état pur ou mélangées ensemble ;
    b) préparer une solution d'encollage comprenant une composition de chitosane et/ou des dérivés de ce dernier en tant que produit de renforcement ;
    c) encoller ledit fil avec ladite solution d'encollage pour appliquer ledit produit de renforcement comprenant du chitosane et/ou des dérivés de ce dernier sur les fibres dudit fil par imprégnation et/ou revêtement au moins partiels ;
    d) réticuler au moins partiellement le chitosane et/ou des dérivés de ce dernier dudit produit de renforcement appliqué sur les fibres par ladite étape d'encollage c), pour obtenir un polymère de renforcement réticulé dudit chitosane et/ou de dérivés de ce dernier, ledit polymère étant ancré en permanence aux fibres dudit fil ;
    f) effectuer une étape de tissage chaîne-trame desdits fils ou une étape de tricotage desdits fils, où un fil ou deux fils de chaîne et de trame, de préférence le fil de chaîne seulement, utilisés dans cette étape de tissage ou dans ladite étape de tricotage, est un fil qui est soumis aux étapes b), c) et d) du procédé.
    g) effectuer une étape de désencollage pour l'élimination partielle et calibrée dudit polymère de renforcement réticulé dérivé du chitosane et/ou de dérivés de ce dernier, des fibres dudit tissu ou tricot,
    caractérisé en ce que ladite étape de désencollage g) avec élimination partielle et calibrée dudit polymère de renforcement réticulé dérivé du chitosane et/ou de dérivés de ce dernier de telles fibres dudit fil est effectuée au moins partiellement en agissant sur lesdites fibres par des moyens mécaniques.
  3. Procédé d'amélioration des propriétés chimiques et/ou physiques d'un tissu, tricot ou vêtement comprenant au moins un fil fabriqué en fibres animales naturelles, fibres végétales, fibres de polymère synthétique et/ou fibres de polymère naturel artificielles, à l'état pur ou mélangées ensemble, ledit procédé comprenant les étapes consistant à :
    h) fournir un tissu, tricot ou vêtement fini comprenant au moins un fil fabriqué en fibres animales naturelles, fibres végétales, fibres de polymère synthétique et/ou de fibres de polymère naturel artificielles, à l'état pur ou mélangées ensemble ;
    b) préparer une solution d'encollage comprenant une composition de chitosane et/ou de dérivés de ce dernier en tant que produit de renforcement ;
    i) encoller ledit tissu, tricot ou vêtement avec ladite solution d'encollage pour appliquer ledit produit de renforcement comprenant du chitosane et/ou des dérivés de ce dernier sur les fibres dudit tissu, tricot ou vêtement par imprégnation et/ou revêtement au moins partiels ;
    l) réticuler le chitosane et/ou des dérivés de ce dernier de ladite composition de chitosane pour obtenir un polymère réticulé à partir dudit chitosane et/ou de dérivés de ce dernier, qui est ancré en permanence aux fibres dudit tissu, tricot ou vêtement, et
    m) effectuer une étape de désencollage, avec élimination partielle et calibrée dudit polymère réticulé dérivé du chitosane et/ou de dérivés de ce dernier, des fibres dudit tissu, tricot ou vêtement, caractérisé en ce que ladite étape de désencollage m) avec élimination partielle et calibrée dudit polymère de renforcement réticulé dérivé du chitosane et/ou de dérivés de ce dernier des fibres dudit tissu, tricot ou vêtement, est au moins partiellement effectuée en agissant sur lesdites fibres par des moyens mécaniques.
  4. Procédé selon la revendication 1, 2 ou 3, dans lequel ladite étape de désencollage partiel et calibré est effectuée au moins partiellement par désencollage mécanique par lequel on agit physiquement sur les fibres à désencoller par abrasion, frottement, brossage et/ou par des traitements adaptés pour éliminer une partie du chitosane réticulé et/ou du polymère dérivé du chitosane des fibres.
  5. Procédé selon la revendication 4, dépendant de la revendication 1 ou 2, dans lequel ladite étape de désencollage mécanique permettant d'agir physiquement sur les fibres à désencoller par abrasion et/ou frottement est effectuée sur le fil pendant l'étape de tissage.
  6. Procédé selon la revendication 4, dépendant de la revendication 1 ou 2, dans lequel ladite étape de désencollage mécanique permettant d'agir physiquement sur les fibres à désencoller par abrasion et/ou frottement est effectuée en faisant glisser le fil en contact avec des surfaces rigides.
  7. Procédé selon la revendication 6, dans lequel lesdites surfaces rigides sont constituées par les surfaces des dents de peigne, des oeillets à travers lesquels le fil est glissé pendant le tissage, des surfaces de rouleaux en contact avec le fil et/ou les poils d'une brosse.
  8. Procédé selon la revendication 4, dépendant de la revendication 2 ou 3, dans lequel ladite étape de désencollage mécanique permettant d'agir physiquement sur les fibres à désencoller par abrasion et/ou frottement est effectuée sur le tissu, tricot ou vêtement.
  9. Procédé selon la revendication 8, dans lequel ladite étape de désencollage mécanique par abrasion et/ou frottement est effectuée en brossant le tissu, le tricot et/ou le vêtement, ou en faisant glisser le tissu en contact avec des surfaces rigides.
  10. Procédé selon l'une quelconque des revendications 1 à 9, dans lequel ladite étape de désencollage mécanique partiel et calibré ayant pour objectif d'éliminer le chitosane réticulé et/ou le polymère dérivé du chitosane des fibres est effectuée par traitement par ultrasons de telles fibres, de préférence lorsque lesdites fibres sont immergées dans le bain.
  11. Procédé selon la revendication 10, dans lequel ledit traitement par ultrasons des fibres est effectué en même temps qu'une étape de traitement de tissage ou de finissage, au cours de laquelle les fibres sont déjà immergées dans un bain.
  12. Procédé selon l'une quelconque des revendications 1 à 11, dans lequel ladite étape de désencollage mécanique partiel et calibré est effectuée en plus d'une étape de désencollage chimique ou enzymatique.
  13. Procédé selon l'une quelconque des revendications 10 à 11, dans lequel ladite étape de désencollage mécanique partiel et calibré par traitement par ultrasons des fibres sur lesquelles le chitosane réticulé et/ou le polymère dérivé de chitosane sont appliqués est effectuée sensiblement en même temps que l'étape de désencollage chimique ou enzymatique partiel et calibré, en utilisant le même bain.
  14. Procédé d'amélioration des propriétés chimiques et/ou physiques d'un fil selon l'une quelconque des revendications 1 à 13, dans lequel ladite étape de réticulation du chitosane dudit produit de renforcement appliqué sur les fibres est précédée de l'étape de séchage des fibres dudit fil et du chitosane dudit produit de renforcement appliqué sur les fibres dudit fil, pour faciliter ainsi l'étape suivante de réticulation du chitosane.
  15. Utilisation d'un produit de renforcement comprenant une composition de chitosane et/ou des dérivés de ce dernier dans un procédé selon l'une quelconque des revendications 1 à 14 pour améliorer les propriétés chimiques et/ou physiques d'un fil.
EP15726697.4A 2014-04-18 2015-04-17 Procédé destiné à améliorer les propriétés chimiques et/ou physiques d'un fil ou d'un tissu Active EP3132086B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14165318 2014-04-18
PCT/IB2015/052809 WO2015159262A1 (fr) 2014-04-18 2015-04-17 Procédé destiné à améliorer les propriétés chimiques et/ou physiques d'un fil ou d'un tissu

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EP3132086A1 EP3132086A1 (fr) 2017-02-22
EP3132086B1 true EP3132086B1 (fr) 2018-05-09

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US (1) US20170044711A1 (fr)
EP (1) EP3132086B1 (fr)
JP (1) JP6667451B2 (fr)
KR (1) KR20160145053A (fr)
CN (1) CN106460307B (fr)
DK (1) DK3132086T3 (fr)
WO (1) WO2015159262A1 (fr)

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KR101921980B1 (ko) * 2017-12-28 2018-11-27 메디퓨처스 주식회사 초음파를 이용한 의료용 3차원 실 제조 방법 및 장치
WO2019195271A1 (fr) * 2018-04-02 2019-10-10 Green Polymers Ltd. Solution polymère liquide pour le traitement de bandes non tissées

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EP3132086A1 (fr) 2017-02-22
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DK3132086T3 (en) 2018-08-06
JP2017511433A (ja) 2017-04-20
CN106460307B (zh) 2020-06-09
WO2015159262A1 (fr) 2015-10-22
KR20160145053A (ko) 2016-12-19
US20170044711A1 (en) 2017-02-16

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