WO2016010297A1 - 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

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Publication number
WO2016010297A1
WO2016010297A1 PCT/KR2015/007071 KR2015007071W WO2016010297A1 WO 2016010297 A1 WO2016010297 A1 WO 2016010297A1 KR 2015007071 W KR2015007071 W KR 2015007071W WO 2016010297 A1 WO2016010297 A1 WO 2016010297A1
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pla
pulp
nonwoven fabric
eco
fiber
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PCT/KR2015/007071
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English (en)
Korean (ko)
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구기승
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구기승
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Publication of WO2016010297A1 publication Critical patent/WO2016010297A1/fr

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    • 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

  • An embodiment of the present invention relates to an eco-friendly biodegradable nonwoven fabric, and a manufacturing apparatus and a manufacturing method thereof, more specifically, an eco-friendly biodegradable nonwoven fabric that improves the quality of the product by improving the mechanical properties by absorbing, softness and bulky It relates to an apparatus and a manufacturing method.
  • nonwoven refers to nonwoven fabric. That is, it refers to a fiber aggregate that is not spun, woven, or braided, and refers to a sheet formed by 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 laminate the biodegradable polylactic acid (PLA) having excellent physical properties on the outer surface of the pulp having soft properties and absorbency and volume, improving the physical properties while improving the physical properties while absorbing, soft and bulky
  • PLA polylactic acid
  • the present invention provides an eco-friendly biodegradable nonwoven fabric and a manufacturing apparatus and a method of manufacturing the same, improving the manufacturing cost, reducing the manufacturing cost, and performing 100% biodegradation after disposal.
  • Eco-friendly biodegradable nonwoven manufacturing apparatus provided to achieve the above object is a first PLA fiber manufacturing apparatus for fiberizing PLA; A mesh belt provided at a lower portion of the first PLA fiber manufacturing machine to integrate the vertically injected PLA fiber into a web form; A pulp supply unit provided at one side of the first PLA fiber manufacturing machine to stack pulp on top of the PLA fiber integrated on the mesh belt; A second PLA fiber making machine provided on one side of the pulp supply unit and integrating PLA into a web form on top of the pulp; A heat fusion unit for heat-sealing the laminates by applying heat to the laminates stacked in order of the PLA fibers, pulp, and PLA fibers; And electrically connected to the first and second PLA fiber makers, the mesh belt and the pulp supply unit to control the injection amount of the PLA fiber produced in the first and second PLA fiber makers, and to control the pulp supply amount of the pulp supply unit. It is configured to include; a control unit for controlling the feed rate of the mesh belt.
  • 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 biodegradable polylactic acid (Poly lactic acid; PLA).
  • a filter device for filtering the molten biodegradable polylactic acid (Poly lactic acid; 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 10% by weight to 40% by weight of PLA fiber is sprayed with respect to the total weight of the nonwoven fabric, and pulp is supplied with 25% by weight to 80% by weight with respect to the total weight of the nonwoven fabric. It controls the supply amount of the supply unit, characterized in that for controlling the injection amount of the second PLA fiber manufacturing machine so that the PLA fiber of 10% by weight to 40% by weight relative to the total weight of the nonwoven fabric.
  • Eco-friendly biodegradable nonwoven fabric manufacturing method is put PLA (biodegradable polylactic acid) into an extruder (melt) and then spinning through a spinning nozzle formed with hundreds of small orifices (Orifice) and the sides of the spinning nozzle S10 step of stretching and cooling the fiber to high pressure hot air sprayed at high speed in; S20 step of integrating the fiberized PLA in the form of a web (Web) on the mesh belt; S30 step of laminating the pulp on the PLA integrated in the web form; S40 step of stacking the laminated fiber in the form of a web (Web) on the pulp in the step S10; And S50 step of bonding the laminated PLA, pulp, PLA 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 PLA is sprayed and integrated 10% to 80% by weight of the total weight of the nonwoven fabric, the pulp is characterized in that the 25% to 80% by weight of the total weight of the nonwoven fabric is supplied.
  • the PLA is injected by 10% by weight to 40% by weight in the step S20 is integrated, it is characterized in that 10% by weight to 40% by weight is injected in the step S40.
  • Eco-friendly biodegradable nonwoven fabric according to an embodiment of the present invention is sprayed on the mesh belt by the manufacturing method of the first PLA fiber layer integrated in the form of a web; A pulp layer laminated on the first PLA fiber layer; The second PLA fiber layer which is sprayed on the pulp layer and integrated in a web form is thermally fused to each other.
  • Embodiment of the present invention by manufacturing the laminated pulp layer and the PLA layer having biodegradation properties to utilize the soft properties and absorbency and volume of the pulp layer, PLA layer to hold and protect the pulp layer to improve the mechanical strength required in actual use It has the effect of improving the quality of the product.
  • the PLA layer can be washed by holding the surface of the pulp layer, which has the effect 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
  • 3 is a block diagram for explaining the configuration of the first and second PLA fiber manufacturing apparatus in the apparatus for producing an eco-friendly biodegradable nonwoven fabric according to an embodiment of the present invention.
  • the manufacturing apparatus of eco-friendly biodegradable nonwoven fabric is the first, second PLA fiber manufacturing apparatus (100,300), pulp supply unit 200, mesh belt 400, the control unit 500, heat-sealed portion ( 600).
  • 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 high temperature air having a high velocity distribution forms various filaments between 0.1 ⁇ m and 500 ⁇ in diameter.
  • the pulp supply unit 200 is disposed between the first PLA fiber maker 100 and the second PLA fiber maker 300.
  • the pulp supply unit 200 may directly supply pulp, but the pulp supply unit 200 is connected to a carding machine 210 for separating the pulp fibers made of sheets or mats into individual fibers to separate pulp fibers made of sheets or mats. It is also possible to feed pulp of individual fibers.
  • a mesh belt 400 is provided below the first PLA fiber maker 100 and the pulp supply unit 200 and the second PLA fiber maker 300 which are arranged side by side.
  • the mesh belt 400 integrates and transports the first and second PLA fibers and pulp sprayed from the first PLA fiber maker 100, the pulp supply unit 200, and the second PLA fiber maker 300 in a web form. Let's do it.
  • the first PLA fiber maker 100, the pulp supply unit 200, and the second PLA fiber maker 300 are electrically connected to the control unit 500, respectively.
  • the control unit 500 controls the valves 171, 220, 371 of the first PLA fiber maker 100, the pulp supply unit 200, and the second PLA fiber maker 300 to be sprayed onto the mesh belt 400. Control the injection amount of the second PLA fiber and pulp and control the injection time difference so that the first PLA fiber is sprayed first, the pulp is sprayed on the first PLA fiber, the second PLA fiber is sprayed on the pulp .
  • one side of the mesh belt 400 is provided with a heat-sealed portion 600.
  • the heat-sealed portion 600 is composed of a calendar through which the laminate laminated in the order of the first PLA fiber, pulp, the second PLA fiber guided by the mesh belt 400 is passed.
  • 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.
  • a method for manufacturing an eco-friendly biodegradable nonwoven fabric is formed by melting PLA (biodegradable polylactic acid) into an extruder and then spinning through a spinning nozzle in which hundreds of small orifices are formed, and spinning nozzles.
  • PLA biodegradable polylactic acid
  • S10 stretching and cooling the fiber by high pressure hot air sprayed at high speed from both sides;
  • S20 step of integrating the fiberized PLA in the form of a web (Web) on the mesh belt;
  • S30 step of laminating the pulp on the integrated PLA in the web form;
  • S40 step of stacking the laminated fiber in the form of a web (Web) on the pulp in the step S10; It is configured to include; and laminated PLA, pulp, S50 step of bonding the PLA by thermal fusion.
  • Step S10 is made in the first PLA fiber manufacturing machine 100 and the second PLA fiber manufacturing machine 200.
  • PLA biodegradable 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 extruder 110 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 extruder 110.
  • the completely dissolved PLA is filtered through the filter device 120 and supplied to the injection nozzle 130, and the PLA supplied to the injection nozzle 130 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 fan 140 and cooled by the cooler to be fiberized.
  • the fiberized PLA is cut through the cutter 160 is injected through the injection port 170.
  • the first PLA fiber is injected into the injection port 170 is 10% by weight to 40% by weight relative to the total weight of the nonwoven fabric.
  • Step S20 integrates the first PLA fibers sprayed on the mesh belt 400 in the form of a 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 stacks the pulp sprayed from the pulp supply unit 200 on the first PLA fiber is integrated and transported in the form of a web. At this time, the laminated pulp is sprayed from 25% by weight to 80% by weight relative to the total weight of the nonwoven fabric.
  • step S40 the second PLA fiber is laminated on the pulp.
  • the second PLA fiber is manufactured in the same manner as step S10 through the second PLA fiber manufacturing machine (300).
  • PLA is injected into the extruder 310 of the second PLA fiber maker 300, and PLA is completely dissolved while passing through the first to fifth regions of the extruder 310. And, the complete dissolved PLA is filtered to the filter device 320 is supplied to the injection nozzle 330 and injected through hundreds of small orifices (Orifice). Subsequently, the injected PLA is stretched by the high pressure hot air of the hot air blower 340 and cooled by the cooler 350 to be fiberized. And, the fiberized PLA is cut through the cutter 360 is injected through the injection hole 370. At this time, the second PLA fiber is injected into the injection hole 370 is 10% by weight to 40% by weight relative to the total weight of the nonwoven fabric.
  • the second PLA fiber manufactured in the second PLA fiber maker 300 is integrated in a web form on the pulp.
  • step S50 the laminate laminated in the order of the first PLA fiber, the pulp, and the second PLA fiber on the mesh belt 400 is passed through the heat-sealed portion 600 to thermally bond the laminate to each other.
  • Eco-friendly biodegradable nonwoven fabric produced by the manufacturing method is sprayed on the mesh belt 400 as shown in Figure 5, the first PLA fiber layer integrated in the web form, the pulp layer laminated on the first PLA fiber layer, the It is injected onto the pulp layer and comprises a second PLA fiber layer integrated in the form of a web.
  • 25% by weight of the total weight of the nonwoven fabric is sprayed onto the mesh belt, and the pulp layer and the pulp layer are stacked by spraying 50% by weight of the total weight of the nonwoven fabric on the first PLA fiber layer and the first PLA fiber layer. 25 wt% of the total weight of the nonwoven fabric was sprayed on to form a second PLA fiber layer integrated in a web form, and the nonwoven fabric was manufactured by heat-sealing them.
  • the first pulp fiber layer integrated in the form of a web 40% by weight relative to the total weight of the nonwoven fabric on the mesh belt, the first pulp fiber layer integrated in the form of a web, the pulp layer, pulp layer laminated by 25% by weight relative to the total weight of the nonwoven fabric on the first PLA fiber layer 40 wt% of the total weight of the nonwoven fabric was sprayed on to form a second PLA fiber layer integrated in a web form, and a nonwoven fabric was manufactured by thermally bonding them together.
  • the pulp layer, pulp layer is laminated by spraying 10% by weight relative to the total weight of the nonwoven fabric on the first PLA fiber layer, the first PLA fiber layer integrated in the web form 45 wt% of the nonwoven fabric was sprayed on to form a second PLA fiber layer integrated in a web form, and the nonwoven fabric was thermally fused to each other.
  • 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 elapsed of the manufactured nonwoven fabric, exhibited an elongation of 6.5% at 12.9N after 50 hours of nonwoven fabric, and 75 hours of nonwoven fabric. After the corrosion of the pulp proceeds, the first PLA fibers and the second PLA fibers were corrosion due to biodegradation was unable to measure.
  • Example 2 exhibited an elongation of 27.6% at 23.5 N before time elapsed of the manufactured nonwoven fabric, an elongation of 8.5% at 15.9 N after 50 hours of nonwoven fabric, and corrosion of pulp after 75 hours of nonwoven fabric.
  • the first PLA fibers and the second PLA fibers were torn due to the progress of the corrosion was not possible to measure.
  • Example 3 exhibited an elongation of 28.9% at 25.2N before the time-lapse of the manufactured nonwoven fabric, an elongation of 12.0% at 16.3N after 50 hours of nonwoven fabric, and corrosion of the pulp progressed after 75 hours of nonwoven fabric.
  • the first PLA fibers and the second PLA fibers were torn due to the progress of corrosion, and thus could not be measured.
  • the elongation was 8.0% at 5.1N before the time elapsed of the manufactured nonwoven fabric, the elongation was 4.0% at 3.5N after 50 hours of nonwoven fabric, and the corrosion of the pulp progressed after 75 hours of nonwoven fabric.
  • the first PLA fiber and the second PLA fiber could not be measured due to the breakage.
  • the present invention improves the soft properties, absorbency and volume of the pulp layer by laminating the pulp layer and the PLA layer having biodegradable properties, and the PLA layer to hold and protect the pulp layer, thereby improving the mechanical strength required in actual use.
  • the PLA layer can be washed by holding the surface of the pulp layer, thereby enabling repeated use several times.
  • carding machine 300 second PLA fiber manufacturing machine
  • injection nozzle 140,340 hot air fan

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  • 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 la produire, le procédé de production de l'étoffe non-tissée selon un mode de réalisation de la présente invention comprenant : l'étape S10 d'insertion de PLA biodégradable dans une extrudeuse 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 d'accumulation dans du PLA défibré en voile sur une bande maillée ; l'étape S30 d'empilement de pâte par-dessus le PLA accumulé en voile ; l'étape S40 d'accumulation du PLA défibré dans l'étape S10 dans un voile et d'empilement de ce dernier par-dessus la pâte ; et l'étape S50 de combinaison du PLA empilé, de la pâte et du PLA par liaison thermique. Selon un mode de réalisation de la présente invention, par empilement de la couche de pâte biodégradable et de la couche de PLA pour la production, le lissé, l'absorption et des caractéristiques volumétriques de la couche de pâte sont conservés, et alors que la couche de PLA contient et protège la couche de pâte pour augmenter la résistance mécanique nécessaire en utilisation réelle, la qualité du produit est améliorée. De plus, le coût de production peut être réduit en utilisant la pâte, des problèmes environnementaux ne sont pas induits car la biodégradation post-rejet est de 100 %, aucune substance cancérogène ou hygiéniquement dangereuse n'est évacuée, et en raison de l'excellente perméabilité à l'air et de la sensation de fraîcheur, l'hygiène et la sécurité sont améliorées. Etant donné que la couche de PLA est maintenue sur la surface de la couche de pâte, la présente invention peut être lavée, ce qui permet ainsi une utilisation répétée.
PCT/KR2015/007071 2014-07-14 2015-07-08 Étoffe non tissée écologique et biodégradable, ainsi qu'appareil et procédé permettant de la produire WO2016010297A1 (fr)

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KR1020140088242A KR101520226B1 (ko) 2014-07-14 2014-07-14 친환경 생분해 부직포 및 그 제조장치 및 제조방법
KR10-2014-0088242 2014-07-14

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US10590577B2 (en) 2016-08-02 2020-03-17 Fitesa Germany Gmbh System and process for preparing polylactic acid nonwoven fabrics
WO2020152464A2 (fr) 2019-01-25 2020-07-30 Cambridge Touch Technologies Ltd. Panneau tactile
US11441251B2 (en) 2016-08-16 2022-09-13 Fitesa Germany Gmbh Nonwoven fabrics comprising polylactic acid having improved strength and toughness
CN115748301A (zh) * 2022-11-24 2023-03-07 泰盛科技（集团）股份有限公司 一种高湿强生活用纸的制备方法

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KR102361295B1 (ko) * 2021-06-21 2022-02-09 민원기 생분해성 흡수제 및 그 제조방법
KR102611712B1 (ko) * 2021-09-29 2023-12-08 주식회사 동호산업 스판본드를 이용한 pla 부직포 제조 방법
KR102619239B1 (ko) * 2021-09-29 2023-12-29 주식회사 동호산업 멜트블로운을 이용한 pla 부직포 제조 방법
KR102619243B1 (ko) * 2021-09-29 2023-12-29 주식회사 동호산업 스판본드 및 멜트블로운을 이용한 pla 부직포 제조 방법
KR20230080856A (ko) 2021-11-30 2023-06-07 한국생산기술연구원 습윤 저항성이 향상된 생분해성 멜트블로운 여과재의 제조방법, 장치, 및 이에 의해 제조된 공기정화용 복합필터

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
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
KR101011593B1 (ko) * 2010-06-11 2011-01-27 김지수 한지시트와 생분해성 수지시트가 결합된 카드 및 그 제조 방법
KR101043567B1 (ko) * 2011-02-07 2011-06-22 (주)자연과학 자연친화적인 식생매트

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 (4)

* 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
WO2020152464A2 (fr) 2019-01-25 2020-07-30 Cambridge Touch Technologies Ltd. Panneau tactile
CN115748301A (zh) * 2022-11-24 2023-03-07 泰盛科技（集团）股份有限公司 一种高湿强生活用纸的制备方法

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