[go: up one dir, main page]

WO2016010303A1 - Étoffe non tissée écologique et biodégradable, ainsi qu'appareil et procédé permettant de la produire - Google Patents

Étoffe non tissée écologique et biodégradable, ainsi qu'appareil et procédé permettant de la produire Download PDF

Info

Publication number
WO2016010303A1
WO2016010303A1 PCT/KR2015/007101 KR2015007101W WO2016010303A1 WO 2016010303 A1 WO2016010303 A1 WO 2016010303A1 KR 2015007101 W KR2015007101 W KR 2015007101W WO 2016010303 A1 WO2016010303 A1 WO 2016010303A1
Authority
WO
WIPO (PCT)
Prior art keywords
pla
pulp
fiber
pla fiber
nonwoven fabric
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.)
Ceased
Application number
PCT/KR2015/007101
Other languages
English (en)
Korean (ko)
Inventor
구기승
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2016010303A1 publication Critical patent/WO2016010303A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/55—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs

Definitions

  • Embodiments of the present invention relate to an eco-friendly biodegradable nonwoven fabric and a manufacturing apparatus and a manufacturing method thereof, and more particularly, to an eco-friendly biodegradable nonwoven fabric and an apparatus and a manufacturing method for improving the mechanical properties of absorbent and soft and bulky will be.
  • nonwoven refers to nonwoven fabric. That is, it refers to a fiber aggregate that is not based on spinning, weaving, or braiding, and means sheeting and bonding by physical and chemical means.
  • Conventional nonwoven fabrics were prepared by composite injection of high absorbency pulp and high polyethylene (PE) or polypropylene (PP) when used as a hygiene product.
  • PE polyethylene
  • PP polypropylene
  • PE polyethylene
  • PP polypropylene
  • Polylactic acid forms a market of 150,000 tons in the world, and is used not only for disposable products using the biodegradable properties of PLA, but also for general plastics such as food packaging materials, containers, and electronics cases. The scope of application is expanding.
  • polylactic acid is more expensive than polyethylene (PE) or polypropylene (PP), has a rough feel, has a small volume, and has a problem of low elasticity.
  • the present invention has been made to solve the conventional problems
  • An object of the present invention is to use the pulp layer having a soft property, absorbency and volume between the first PLA layer and the second PLA layer having excellent physical properties to improve the physical properties, improve the physical properties, 100% after disposal It is to provide an eco-friendly biodegradable nonwoven fabric and a manufacturing apparatus and a manufacturing method of the biodegradation is made.
  • Another object of the present invention is to provide an eco-friendly biodegradable nonwoven fabric, an apparatus and a manufacturing method thereof, which can improve the quality of the nonwoven fabric and reduce the manufacturing cost.
  • Eco-friendly biodegradable nonwoven manufacturing apparatus provided to achieve the above object is a first PLA fiber manufacturing apparatus for fiberizing PLA; A first mesh drum integrating the first PLA fibers sprayed from the first PLA fibers in a web form; A pulp supply unit provided at one side of the first mesh drum to stack pulp on one surface of the first PLA fiber integrated on the first mesh drum; A second PLA fiber making machine provided on one side of the pulp supply unit to fiberize PLA; A second mesh drum in which the second PLA fibers sprayed from the second PLA fiber maker are integrated in a web form and laminated on one surface of the pulp; A heat fusion unit for heat-sealing the laminates by applying heat to the laminates stacked in order of the first PLA fibers, the pulp, and the second PLA fibers; And controlling the injection amount of the first and second PLA fibers manufactured by the first and second PLA fiber makers by being electrically connected to the first and second PLA fiber makers and the pulp supply unit, and the pulp supply amount of the pulp supply unit.
  • Control unit for controlling is configured to
  • the first and second PLA fiber making machine is an extruder for melting and extruding PLA (biodegradable polylactic acid), a spray nozzle formed with hundreds of small orifices (orifice) for spraying the molten PLA in the extruder, and the injection nozzle
  • PLA biological polylactic acid
  • spray nozzle formed with hundreds of small orifices (orifice) for spraying the molten PLA in the extruder
  • injection nozzle A hot air fan for stretching PLA sprayed from the spray nozzle by spraying high-pressure hot air from both sides of the cooler, a cooler for cooling the stretched PLA, a cutter for cutting the PLA fiber determined by the stretching, and spraying the cut PLA fiber Characterized in that configured to include a jet.
  • the extruder and the injection nozzle is characterized in that it further comprises a filter device for filtering the molten PLA.
  • the extruder is divided into first to fifth regions, the first region is 150 to 160 °C, the second region is 200 to 210 °C, the third region is 220 to 230 °C, the fourth region is 230 to 240 °C,
  • the five regions are characterized in that a temperature of 250 to 260 ⁇ is set.
  • the pulp supply unit is characterized in that the carding machine for separating the pulp fibers consisting of sheets or mats into individual fibers are connected.
  • the control unit controls the injection amount of the first PLA fiber manufacturing machine so that the first PLA fiber of 10% by weight to 40% by weight relative to the total weight of the nonwoven fabric, and 25% to 80% by weight of pulp is supplied to the total weight of the nonwoven fabric.
  • the supply amount of the pulp supply unit is controlled so as to control the injection amount of the second PLA fiber maker so that the second PLA fiber of 10% by weight to 40% by weight relative to the total weight of the nonwoven fabric is injected.
  • Eco-friendly biodegradable nonwoven fabric manufacturing method is melted by putting PLA (biodegradable polylactic acid) into the extruder of the first and second fiber makers, respectively, and then through a spinning nozzle formed of hundreds of small orifices (Orifice) S10 step of producing the first PLA fibers and the second PLA fibers by spinning and cooling with high-pressure hot air sprayed at high speed from both sides of the spinning nozzle; Spraying the first PLA fiber produced in the first fiber maker on the first mesh drum to integrate in the form of a web (Web), and the second PLA fiber produced in the second fiber maker sprayed on the second mesh drum S20 step of integrating in the form of a web (Web); S30 step of supplying and interposing pulp between the first PLA fiber and the second PLA fiber integrated in the web form; It is prepared, including; S40 step of bonding the first PLA fibers, pulp, second PLA fibers by heat fusion bonding.
  • PLA biodegradable polylactic acid
  • the extruder has a first region having a temperature of 150 to 160 ° C., a second region having a temperature of 200 to 210 ° C., a third region having a temperature of 220 to 230 ° C., a fourth region having a temperature of 230 to 240 ° C., and a 250 to 260 ° C.
  • the temperature is divided into a fifth region is set, the PLA is characterized in that complete melting through the first to fifth regions.
  • step S10 characterized in that it further comprises the step of filtering the molten PLA.
  • the PLA is characterized in that selected from the group consisting of poly-D-lactic acid, poly-L-lactic acid, copolymers of D-lactic acid and L-lactic acid.
  • the PLA has a melting point of 100 °C to 180 °C, the melt index is 75 to 120g / 10 minutes, the melt density is characterized in that it has a characteristic in the range of 0.98 to 2.24g / cm3 (260 °C).
  • the pulp is characterized in that the pulp fibers made of a sheet or mat put into a carding machine and separated into individual fibers.
  • the first PLA fibers are injected by injecting 10% by weight to 40% by weight of the total weight of the nonwoven fabric, and the pulp is fed by 25% by weight to 80% by weight of the total weight of the nonwoven fabric. 10% by weight to 40% by weight is characterized in that the injection is integrated.
  • the first PLA fiber layer integrated in the form of a web on the first mesh drum by the above production method; A pulp layer laminated on the first PLA fiber layer; The second PLA fiber layer is integrated on the second mesh drum in the form of a web and laminated on the upper surface of the pulp layer.
  • An embodiment of the present invention utilizes the soft properties, absorbency and volume of the pulp, the first PLA fiber and the second PLA fiber through the pulp having a soft property and absorbency and volume between the first and second PLA fibers having excellent physical properties
  • the pulp can reduce the manufacturing cost, 100% biodegradation after disposal, does not cause environmental problems, does not emit carcinogens or harmful substances to hygiene, hygiene and hygiene is excellent And it becomes possible to manufacture a nonwoven fabric with improved safety.
  • first and second PLA fibers hold the surface of the pulp, it is possible to wash, thereby producing a non-woven fabric that can be used repeatedly.
  • FIG. 1 is a schematic diagram for explaining the eco-friendly biodegradable nonwoven fabric manufacturing apparatus according to an embodiment of the present invention.
  • Figure 2 is a block diagram for explaining the overall configuration of the eco-friendly biodegradable nonwoven fabric manufacturing apparatus according to an embodiment of the present invention.
  • Figure 3 is a block diagram for explaining the configuration of the first, second PLA fiber manufacturing apparatus in an eco-friendly biodegradable nonwoven fabric manufacturing apparatus according to an embodiment of the present invention.
  • Figure 4 is a flow chart for explaining a method for producing an eco-friendly biodegradable nonwoven fabric according to an embodiment of the present invention.
  • Figure 5 is a cross-sectional view showing an eco-friendly biodegradable nonwoven fabric according to an embodiment of the present invention.
  • FIG. 1 is a schematic diagram for explaining an eco-friendly biodegradable nonwoven fabric manufacturing apparatus according to an embodiment of the present invention
  • Figure 2 is a block diagram for explaining the overall configuration of an eco-friendly biodegradable nonwoven fabric manufacturing apparatus according to an embodiment of the present invention
  • Figure 3 is a block diagram for explaining the configuration of the first, second PLA fiber manufacturing apparatus in an eco-friendly biodegradable nonwoven fabric manufacturing apparatus according to an embodiment of the present invention.
  • the apparatus for producing eco-friendly biodegradable nonwoven fabric includes a first PLA fiber maker 100, a first mesh drum 200, a second PLA fiber maker 300, and a second mesh drum 400. It includes a pulp supply unit 500, the control unit 600, the heat fusion unit 700.
  • the first and second PLA fiber makers 100 and 300 are extruders 110 and 310 for melting and extruding PLA (biodegradable polylactic acid) introduced as shown in FIG. 3, and hundreds of spraying molten PLA from the extruder.
  • Injection nozzles 130 and 330 having two small orifices formed therein, filter devices 120 and 320 provided between the extruder and the injection nozzle to filter the molten PLA, and PLAs which are provided on both sides of the injection nozzles and sprayed by the injection nozzles.
  • It comprises a hot air fan (140,340) for stretching, a cooler (150,350) for cooling the stretched PLA, cutters (160,360) for cutting the PLA fiber determined by the stretching, and injection holes (170,370) for spraying the cut PLA fiber do.
  • the injection port is provided with valves (171, 371) for controlling the injection amount of the PLA fiber is electrically connected to the control unit.
  • the extruders 110 and 310 are partitioned into first to fifth regions. Then, the partitioned first region is 150 to 160 ⁇ , the second region is 200 to 210 ⁇ , the third region is 220 to 230 ⁇ , the fourth region is 230 to 240 ⁇ and the fifth region is 250 to 260 ⁇ . Are set respectively.
  • the injection nozzles 130 and 330 have 0.88 mm per 12 to 16 cm, and hot air having a high velocity distribution forms various filaments between 0.1 ⁇ m and 500 ⁇ in diameter.
  • a first mesh drum 200 is disposed below the first PLA fiber maker 100, and a second mesh drum 400 is disposed below the second PLA fiber maker 300.
  • first mesh drum 200 integrates the first PLA fiber 10 sprayed from the first PLA fiber maker 100 into a web form
  • the second mesh drum 400 is the second PLA fiber maker 300. Integrate the second PLA fiber 30 is injected in the form of a web.
  • the pulp supply unit 500 is disposed between the first mesh drum 200 and the second mesh drum 400.
  • the pulp supply unit 500 supplies the pulp between the first mesh drum 200 and the second mesh drum 400 to integrate the first PLA fiber 10 and the second PLA fiber in a web form on the first mesh drum 200.
  • the pulp 20 is interposed between the second PLA fibers 30 integrated in the web form on the mesh drum 400.
  • the pulp supply unit 500 may directly supply pulp, but the pulp supply unit 500 is connected to a carding machine 510 which separates the pulp fibers made of sheets or mats into individual fibers to connect pulp fibers made of sheets or mats. The pulp of the separated individual fibers can also be fed.
  • the first PLA fiber maker 100, the second PLA fiber maker 300, and the pulp supply unit 500 is electrically connected to the control unit 600, respectively.
  • the control unit 600 controls the valves 171, 371, and 520 of the first PLA fiber maker 100, the second PLA fiber maker 300, and the pulp supply unit 500 to control the injection amount of the first and second PLA fibers and pulp.
  • the first and second PLA fibers are first sprayed to be integrated in a web form on the first and second mesh drums 200 and 400, and then the pulp is interposed between the first and second PLA fibers integrated in a web form.
  • the injection time difference between the first and second PLA and the pulp is controlled so as to be effective.
  • one side of the second mesh drum 400 is provided with a heat fusion unit 700.
  • the heat-sealed portion 700 is composed of a calendar through which a laminate stacked in the order of the first PLA fibers, pulp, and the second PLA fibers guided by the second mesh drum 400.
  • the calendar is a compression roller that lubricates paper or paper, and heat-bonds the first PLA fibers, the pulp, and the second PLA fibers of the laminate to be passed in a state where heat is applied.
  • the pattern is engraved on the calendar to increase the bonding force of the first PLA fiber, pulp, the second PLA fiber.
  • Figure 4 is a flow chart for explaining a method for producing an eco-friendly biodegradable nonwoven fabric according to an embodiment of the present invention.
  • Eco-friendly biodegradable nonwoven fabric is a PLA (biodegradable polylactic acid) is put into the extruder of the first and second fiber makers, respectively, melted and then spinning nozzles formed with hundreds of small orifices (Orifice) S10 step of producing the first PLA fiber and the second PLA fiber by stretching through and cooling with high-pressure hot air sprayed at high speed from both sides of the spinning nozzle; Injecting the first PLA fiber produced in the first fiber maker on the first mesh drum to integrate in the form of a web (Web), and by spraying the second PLA fiber produced in the second fiber maker on the second mesh drum S20 step of integrating in the form of a web (Web); S30 step of supplying the pulp interposed between the first PLA fiber and the second PLA fiber integrated in the web form; 1 PLA fiber, pulp, S40 step of bonding the second PLA fiber by heat fusion; It is prepared to include.
  • PLA biodegradable polylactic acid
  • Step S10 is made in the first PLA fiber manufacturing machine 100 and the second PLA fiber manufacturing machine (300).
  • PLA biologically polylactic acid
  • PLA has a melting point of 100 to 180 °C
  • the melt index is 20 to 40g / 10 minutes level
  • melt density of 0.98 to 2.24g / cm 3 (260 °C) is used that has a characteristic range.
  • PLA is used selected from the group consisting of poly-D-lactic acid, poly-L-lactic acid, copolymers of D-lactic acid and L-lactic acid.
  • the extruders 110 and 310 may include a first region having a temperature of 150 to 160 ° C., a second region having a temperature of 200 to 210 ° C., a third region having a temperature of 220 to 230 ° C., and a fourth region having a temperature of 230 to 240 ° C. It is partitioned into the 5th area
  • PLA is completely dissolved while passing through the first to fifth regions of the extruders 110 and 310.
  • the completely dissolved PLA is filtered through the filter devices 120 and 320 and supplied to the injection nozzle 130, and the PLA supplied to the injection nozzles 130 and 330 is injected through hundreds of small orifices.
  • the injected PLA is stretched by the high pressure hot air sprayed at high speed by the hot air fans 140 and 340, and cooled and fiberized by the coolers 150 and 350.
  • the fiberized PLA is cut through the cutters 160 and 360 and sprayed through the injection holes 170 and 370.
  • the first PLA fibers 10 and the second PLA fibers 30, which are sprayed to the injection holes 170 and 370 are sprayed 10% to 40% by weight relative to the total weight of the nonwoven fabric.
  • step S20 the first PLA fiber 10 manufactured by the first fiber maker 100 is sprayed on the first mesh drum 200, and the first mesh drum 200 is sprayed on the first PLA fiber 10.
  • the second PLA fiber 30 manufactured in the second fiber maker 300 is sprayed on the second mesh drum 400, the second mesh drum 400 is sprayed on the second PLA fiber (30) Integrate in the form of Web.
  • the web formed by the Melt-Blown method has an isotrophic formation. That is, since the web is formed for hot air, the fibers are arbitrarily arranged in the machine direction and the machine width direction, and are not sufficiently cooled so that mutual bonding is achieved by thermal bonding between the fibers.
  • step S30 the pulp 20 injected from the pulp supply unit 500 is interposed between the first PLA fiber 10 and the second PLA fiber 30 which are integrated and transported in a web form. At this time, the pulp 20 is 25% by weight to 80% by weight relative to the total weight of the nonwoven fabric.
  • step S40 the laminate stacked in order of the first PLA fibers 10, the pulp 20, and the second PLA fibers 30 is passed through the heat-sealed portion 700 to thermally bond the laminates to each other.
  • the second PLA fiber layer laminated on one surface of the pulp layer is heat-sealed to produce a nonwoven fabric.
  • a nonwoven fabric was prepared by spraying 25 wt% of the total weight of the nonwoven fabric on a two-mesh drum and integrating the second PLA fiber layer laminated on one surface of the pulp layer by integrating a web.
  • the first PLA fiber layer integrated in the form of a web, a pulp layer laminated by spraying 20% by weight relative to the total weight of the nonwoven fabric on one surface of the first PLA fiber layer, 40 wt% of the nonwoven fabric was sprayed onto the two mesh drums and integrated in a web form to form a nonwoven fabric by mutually thermally bonding a second PLA fiber layer laminated on one surface of the pulp layer.
  • Examples 1, 2, and 3 show that the first PLA fiber layer and the second PLA fiber layer wrap the outer surface of the pulp layer to protect the pulp layer, and hold the pulp without breaking the pulp or dust. Played a role. In addition, it could be seen that due to the pulp layer to maintain a proper sense of volume, it was able to feel a soft texture, excellent absorbency.
  • the first PLA fiber layer and the second PLA fiber layer were formed so thick that the breakage of the first PLA fiber layer and the second PLA fiber layer occurred, the texture was rough, and the volume and absorbency were not good. That is, it can be seen that the first PLA fiber layer and the second PLA fiber layer is preferably used 40% by weight or less based on the total weight of the nonwoven fabric.
  • Comparative Example 2 was inferior in volume and feel compared to the examples, and the absorbency was also not good.
  • Example 1 exhibited an elongation of 35.6% at 20.5N before time elapse of the nonwoven fabric, followed by an elongation of 6.5% at 12.9N after 50 hours of nonwoven fabric, and after 75 hours of nonwoven fabric. Corrosion of the pulp progressed, the first PLA fiber and the second PLA fiber was not possible due to the progress of corrosion due to biodegradation.
  • Example 2 exhibited an elongation of 27.6% at 23.5 N before the time-lapse of the nonwoven fabric, an elongation of 8.5% at 15.9 N after 50 hours of nonwoven fabric, and corrosion of the pulp proceeded after 75 hours of nonwoven fabric.
  • the first PLA fiber and the second PLA fiber can not be measured because the tear due to the progress of corrosion.
  • Example 3 exhibited an elongation of 28.9% at 25.2N before the time-lapse of the nonwoven fabric, an elongation of 12.0% at 16.3N after 50 hours of nonwoven fabric, and corrosion of the pulp proceeded after 75 hours of nonwoven fabric.
  • the first PLA fibers and the second PLA fibers were torn due to the progress of corrosion and could not be measured.
  • the elongation was 8.0% at 5.1N before the time passed of the nonwoven fabric, the elongation was 4.0% at 3.5N after 50 hours of the nonwoven fabric, and the corrosion of the pulp proceeded after 75 hours of the nonwoven fabric.
  • the first PLA fiber and the second PLA fiber could not be measured due to breakage.
  • the present invention provides a nonwoven fabric by laminating the first PLA fiber, the pulp, and the second PLA fiber, which have biodegradation properties, thereby improving the softness, absorbency, and bulkiness of the pulp, and the first and second PLA fibers are made of pulp. It is held and protected to provide a nonwoven fabric that enhances the mechanical strength needed in practical use.
  • first and second PLA fibers to hold the surface of the pulp, which can be washed, thereby providing a non-woven fabric that can be used repeatedly.
  • the first PLA fiber manufacturing machine 200 the first mesh drum
  • pulp supply unit 510 carding machine
  • control unit 700 heat fusion unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne une étoffe non tissée écologique et biodégradable, ainsi qu'un appareil et un procédé permettant de la produire, le procédé permettant de produire l'étoffe non tissée selon un mode de réalisation de la présente invention comprenant : l'étape S10 de production d'une première fibre PLA et d'une seconde fibre PLA en insérant du PLA biodégradable dans des extrudeuses respectives des première et seconde machines de production de fibres et de fusion, filage au moyen d'une buse de filage ayant des centaines de petits orifices, et de défibrage par allongement et refroidissement au moyen d'air haute pression chauffé pulvérisé à partir des deux côtés de la buse de filage à des vitesses élevées ; l'étape S20 de pulvérisation de la première fibre PLA produite par la première machine de production de fibre sur un premier tambour à mailles pour une accumulation dans une bande, et la pulvérisation de la seconde fibre PLA produite par la seconde machine de production de fibre sur un second tambour à mailles pour une accumulation dans une bande ; l'étape S30 de fourniture et d'intercalage de la pâte entre la première fibre PLA et la seconde fibre PLA accumulées en voiles ; et l'étape S40 de combinaison de la première fibre PLA, de la pâte et de la seconde fibre PLA par liaison thermique. Selon un mode de réalisation de la présente invention, le lissé, l'absorption et la caractéristique volumétrique de la pâte sont préservés par interposition d'une pâte ayant un lissé, une absorption et une caractéristique volumétrique entre les première et secondes fibres PLA ayant d'excellentes caractéristiques physiques, l'étoffe non tissée ayant une excellente qualité de produit pouvant être efficacement produite car les première et seconde couches PLA maintiennent et protègent la couche de pâte pour conférer la résistance mécanique nécessaire pendant l'utilisation réelle, et le coût de production peut être réduit au moyen d'un procédé simplifié.
PCT/KR2015/007101 2014-07-14 2015-07-08 Étoffe non tissée écologique et biodégradable, ainsi qu'appareil et procédé permettant de la produire Ceased WO2016010303A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0088244 2014-07-14
KR1020140088244A KR101520228B1 (ko) 2014-07-14 2014-07-14 친환경 생분해 부직포 및 그 제조장치 및 제조방법

Publications (1)

Publication Number Publication Date
WO2016010303A1 true WO2016010303A1 (fr) 2016-01-21

Family

ID=53394684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/007101 Ceased WO2016010303A1 (fr) 2014-07-14 2015-07-08 Étoffe non tissée écologique et biodégradable, ainsi qu'appareil et procédé permettant de la produire

Country Status (2)

Country Link
KR (1) KR101520228B1 (fr)
WO (1) WO2016010303A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10590577B2 (en) 2016-08-02 2020-03-17 Fitesa Germany Gmbh System and process for preparing polylactic acid nonwoven fabrics
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6368609B1 (en) * 1999-04-12 2002-04-09 Kimberly-Clark Worldwide, Inc. Absorbent structure including a thin, calendered airlaid composite and a process for making the composite
WO2006010766A2 (fr) * 2004-07-29 2006-02-02 Orlandi S.P.A. Procede pour fabriquer un nontisse particulierement doux et tridimensionnel et nontisse ainsi obtenu
US20090291607A1 (en) * 2006-07-14 2009-11-26 Wang James H Biodegradable aliphatic-aromatic copolyester for use in nonwoven webs
KR20120106031A (ko) * 2011-03-17 2012-09-26 엔브이에이치코리아(주) 자동차 내장용 생분해성 복합패널의 제조방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002302862A (ja) * 2001-04-06 2002-10-18 Mitsui Chemicals Inc 不織布の製造方法及び装置
JP3992597B2 (ja) * 2002-11-21 2007-10-17 花王株式会社 嵩高不織布の製造方法
KR20080106609A (ko) * 2007-06-04 2008-12-09 (주) 삼보 피엘에이 단섬유를 이용한 부직포의 제조 방법 및 상기제조 방법에 의해 제조된 부직포 및 상기 부직포가 적용된생분해성 흡수 패드

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6368609B1 (en) * 1999-04-12 2002-04-09 Kimberly-Clark Worldwide, Inc. Absorbent structure including a thin, calendered airlaid composite and a process for making the composite
WO2006010766A2 (fr) * 2004-07-29 2006-02-02 Orlandi S.P.A. Procede pour fabriquer un nontisse particulierement doux et tridimensionnel et nontisse ainsi obtenu
US20090291607A1 (en) * 2006-07-14 2009-11-26 Wang James H Biodegradable aliphatic-aromatic copolyester for use in nonwoven webs
KR20120106031A (ko) * 2011-03-17 2012-09-26 엔브이에이치코리아(주) 자동차 내장용 생분해성 복합패널의 제조방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10590577B2 (en) 2016-08-02 2020-03-17 Fitesa Germany Gmbh System and process for preparing polylactic acid nonwoven fabrics
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness

Also Published As

Publication number Publication date
KR101520228B1 (ko) 2015-05-13

Similar Documents

Publication Publication Date Title
WO2016010297A1 (fr) Étoffe non tissée écologique et biodégradable, ainsi qu'appareil et procédé permettant de la produire
WO2016010302A1 (fr) Étoffe non tissée écologique et biodégradable, ainsi qu'appareil et procédé permettant de la produire
KR101319183B1 (ko) 개선된 특성을 갖는 복합방사 장섬유 스펀본드 다층 부직포 및 그 제조방법
US8748693B2 (en) Multi-layer nonwoven in situ laminates and method of producing the same
JPH07300754A (ja) バリヤ特性を有するポリエチレン溶融吹き込み布
JP2003506582A (ja) 不織複合シート材料
JP2016145442A (ja) 繊維を紡糸するため、特に繊維含有不織布を製造するための方法及び装置
KR20110021147A (ko) 개선된 특성을 갖는 복합 스펀본드 장섬유 다층 부직포 및 그 제조 방법
US10767296B2 (en) Multi-denier hydraulically treated nonwoven fabrics and method of making the same
EP1989348B1 (fr) Stratifié élastique étirable et son procédé de production
JP2004511664A (ja) メルトブローウェブ
KR101837204B1 (ko) 우수한 벌키성을 갖는 폴리프로필렌 복합방사 스펀본드 부직포 및 그 제조방법
WO2016010303A1 (fr) Étoffe non tissée écologique et biodégradable, ainsi qu'appareil et procédé permettant de la produire
EP3060711B1 (fr) Feuilles de support non-tissées sans film présentant de bonnes propriétés de barrière
JP7660374B2 (ja) 片面に不浸透層を有し、もう片面に滑り止めコーティングを有する不織布シート素材の製造方法
KR20230073108A (ko) 부직포, 부직포의 제조방법 및 물품
JP2012144840A (ja) 混合繊維からなる不織布及びその製造方法
JP5857645B2 (ja) 複合化シート及び該複合化シートを含む製品
KR100579438B1 (ko) 복합방사 다층구조 스판본드 부직포
KR100696137B1 (ko) 다층 구조 스판본드 부직포 및 이의 제조 방법
CN119615500B (zh) 一种纺粘无纺布的生产方法及生产系统
KR20120071639A (ko) 부직포의 제조방법, 그로부터 제조된 부직포 및 그의 제조를 위한 장치
JP2007009403A (ja) 混合繊維からなる不織布及びその製造方法
KR101240750B1 (ko) 우수한 신축 회복성과 소프트한 촉감을 동시에 가지는 탄성 부직포 및 이의 제조방법
KR20240143723A (ko) 부직포, 부직포의 제조방법 및 물품

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15821512

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15821512

Country of ref document: EP

Kind code of ref document: A1