WO2015013991A1 - Textile non tissé hydrolié dispersible et entièrement dégradable, et procédé de fabrication et chaîne de production correspondants - Google Patents

Textile non tissé hydrolié dispersible et entièrement dégradable, et procédé de fabrication et chaîne de production correspondants Download PDF

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Publication number
WO2015013991A1
WO2015013991A1 PCT/CN2013/081121 CN2013081121W WO2015013991A1 WO 2015013991 A1 WO2015013991 A1 WO 2015013991A1 CN 2013081121 W CN2013081121 W CN 2013081121W WO 2015013991 A1 WO2015013991 A1 WO 2015013991A1
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Prior art keywords
nonwoven fabric
fiber
flushable
spunlace
mixer
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PCT/CN2013/081121
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English (en)
Chinese (zh)
Inventor
龚金瑞
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杭州诺邦无纺股份有限公司
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Priority to US14/375,621 priority Critical patent/US20160222560A1/en
Publication of WO2015013991A1 publication Critical patent/WO2015013991A1/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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F13/15211—Properties of the article, e.g. stiffness or absorbency soluble or disintegratable in liquid
    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D04H1/4258—Regenerated cellulose series
    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
    • D10B2201/24—Viscose

Definitions

  • the invention relates to a flushable and fully degradable spunlace non-woven fabric which can be quickly dissipated and fully degraded, and a production method and a production line thereof, and belongs to the field of manufacturing of a non-degradable non-woven fabric.
  • US 2013004552 A1 entitled 'Water-Dispersible Nonwoven Fabric Material', this application provides a multi-layered nonwoven material comprising two outer layers of continuous filaments of water-soluble or water-dispersible polymer having an internal absorbent layer.
  • the continuous filament composition of the nonwoven fabric material has a water content of less than about 10% by weight and is characterized by further comprising a dry material selected from the group consisting of household or personal care products, themed medical Substance and / Or microcapsules of one or more such substances, wherein the water-absorbing material comprises cellulose pulp fibers, characterized in that the nonwoven fabric material is impregnated with a hydrophobic substance, It is a derivative of a fatty acid in a solution of a non-aqueous organic solvent.
  • the non-woven fabric material of the water-soluble or water-dispersible polymer is selected from the group consisting of polyvinyl alcohol (PVA), carboxymethyl cellulose, guar gum, alginate, starch, water dispersion. Sex copolyesters and mixtures thereof.
  • the continuous filaments have a nonwoven material having a diameter between 0.5 dtex and 6.7 dtex.
  • nonwoven fabric material comprising the steps of: a) spunbonding filaments made of a first layer of a water-soluble or water-dispersible polymer; b) placing, on the layer of step a), a layer of water absorbing fibers, c) another layer of said spunbond filaments; d) a bonded monolayer and/or multilayer material, in a dry state, providing one or more joining processes, characterized in that said The one or more bonding steps are carried out in such a manner that the nonwoven fabric material thus obtained has a water content of less than about 10% by weight; e) the step d) of the impregnated nonwoven material is selected from the group consisting of: Household products, dry materials for personal care, medical applications for dry matter, and sustained release microcapsules of one or more of such substances; f) impregnation of solutions of fatty acid derivatives in non-aqueous organic solvents Non-woven material.
  • the production line of the spunbond filaments and the formation of the nonwoven fabric material, or in a separate production line, the single layer and / or multilayer nonwoven fabric material, combined or pre-consolidated is passed
  • the layered material was passed through two roll compactors and embossed.
  • the multiple layers of the bonded individual layers and/or steps comprise a dry laid process.
  • the bonded individual layers and/or multilayer materials of the steps include methods of chemical bonding processes.
  • the step of bonding the single layer and/or multilayer material comprises a method of a needling process.
  • the one or more joining processes selected from one or more of the following group: household items personal care products , themed medical preparations, superabsorbent fibers, superabsorbent polymer powders and additional substances.
  • one is multi-layer non-woven fabric, which is not good for flushing; the other is material composition, which can not achieve full degradation, resulting in secondary pollution to the environment; third, because the raw materials are not pretreated, the material itself The characteristics are not released, so that the necessary dry and wet non-woven fabrics are weak in strength.
  • Design purpose to avoid the deficiencies in the background art, to design a flushable and fully degradable spunlace non-woven fabric which can quickly disperse the non-woven fabric and degrade all the non-woven fabrics and the manufacturing method thereof And equipment.
  • Design plan In order to achieve the above design goals. 1.
  • the design of the pretreatment of the serrated flat viscose fiber is one of the technical features of the present invention.
  • the purpose of this is to: the technical indicators to be achieved by the flushable and fully degradable spunlace nonwoven fabric of the present application are: water flushing property ----- Sealed tubular rocking test 50 times dispersed into a complete fiber, weighing 30-100gsm, wet strength MD: 400G / IN. Above CD: 200G/IN. Above, that is, to achieve the ability to disperse water, but also to have the necessary strength under dry and wet conditions, so that the processing of raw materials can ensure that two contradictory technical indicators can be realized together.
  • the serrated flat 5-20MM viscose fiber is laid flat on the feeding port, fed into the cutting machine by the conveying mechanism, and passed through the high-speed shearing action of the file in the chopper to smash on the surface or side of the fiber. Cut into a plurality of incision states to increase the surface area of the fiber, so that the cohesive force of the subsequently produced product is strengthened, so that the present application achieves the ability to meet the rapid realization of water flushing and the strength in the dry and wet state. demand. 2, the application of non-woven fabrics using 35- The design of 50% serrated flat viscose fiber and 65-50% wood pulp is the second technical feature of the present invention.
  • the surface or side surface of the pretreated fiber is chopped into a plurality of slit state structures, and the slit-like structure is In the process of spunlace treatment, it is very easy to realize the intertwining between the fiber and the slit, which not only greatly improves the strength of the continuously formed sheet-like non-woven fabric, but also facilitates rapid dispersal under the action of water rushing.
  • the non-woven fabric of the present application does not require an adhesive, and the design of the all-natural degradable material is the third technical feature of the present invention.
  • the flushable and fully degradable spunlace non-woven fabric prepared by the present application can satisfy the strong demand for non-woven fabric in the dry and wet state under the premise of realizing rapid water flushing. . 4.
  • the design of the method for producing a fully degradable spunlace nonwoven fabric which is indispensable for the present invention is a technical feature of the present invention.
  • the purpose of this is to: because the non-woven fabric of the present application does not need the adhesive, it must satisfy the strength required for the non-woven fabric in the dry and wet state, and realize the rapid flushing of the non-woven fabric. At the same time, it is ensured that the non-woven fibers after the dispersion are fully degraded; and the five steps listed in the method for preparing the non-woven fabric of the present application are precisely to ensure that the fully degradable spunlace nonwoven fabric can achieve the above purpose. The lesser method, the five steps step by step, the step by step, the irreplaceable, is an inseparable complete technical solution. 5.
  • the design of the device capable of dissipating the fully degradable spunlace nonwoven fabric is the fifth feature of the present invention.
  • the purpose of this is to form a production line that can scatter the fully degradable spunlace nonwoven fabric of the present application, although the existing equipment exists, but the existing equipment is used to realize the production of the fully degradable spunlace non-woven fabric production line of the present application.
  • it is an indispensable device configuration that organically forms the functions in the existing device and the device of the present application according to the design purpose of the present application. 6.
  • the design that the four corners of the clamping net are supported by the guide shaft to form a parallelogram structure is the sixth feature of the present invention.
  • the purpose of this is to clamp the mesh sleeve around the periphery of the microneedle spunlace head, and to form a sandwich between the fiber mesh shape and the non-woven fabric net, and to ensure that the fiber does not produce a large amount under the action of the microneedle spunlace. Displacement creates a problem of uniformity and effectively reduces fiber loss. 7.
  • the design of the microneedle spunlace water outlet diameter is 0.08 mm, which is the technical feature of the present invention.
  • the purpose of this is to use micro-needle spunlace to promote the intertwining of the fibers, and to fully utilize the frictional force of the micro-incision on the viscose fiber surface after the chopping process, so that the cohesive force of the product plays a dual role.
  • the product has been reinforced to ensure that the product is excellent in wet strength without the need to add any chemical binder or heat-soluble fibers.
  • Technical Solution 1 A flushable fully degradable spunlace nonwoven fabric comprising 35-50% serrated flat viscose fiber and 65-50% wood pulp.
  • a method for preparing a flushable fully degradable spunlace nonwoven fabric (1) 35-50% serrated flat 5-20 mm viscose fiber is spread on a feeding port and fed by a conveying mechanism.
  • the cutting machine obtains the deformed viscose fiber after being cut into a plurality of slit states on the surface or side of the fiber by the high-speed shearing action of the file; (2) the deformed viscose fiber and the wood pulp are respectively sent into the condensation cotton through the feed port.
  • the condenser removes the air from the raw material conveying process, the rotating condenser freely falls the material to the mixer; (3) the mixer consists of three sets of equalizing rolls, and the intermediate isolation is divided into three sections.
  • the material falling into the mixer under the action of the mixer forms a mixture of viscose fiber and wood pulp, and the water inlet installed at the upper end of the mixer injects water to make it located in the mixer.
  • the material forms a working slurry which is sufficiently uniform; (4) a sufficiently uniform working slurry flows into the forming port, and the non-woven fabric forming net cooperates with the negative pressure generated by the suction box, the water is pumped away, and the fiber raw material remains in the support Net, thereby producing a formed sheet-like structure; (5) the web is driven by the net Into the microneedle spunlace area, through the microneedle spunlace head water needle, the fibers are intertwined and continuously form a sheet-like non-woven fabric.
  • a production line capable of flushing and fully degrading spunlace nonwoven fabric the end of the conveying mechanism is directly opposite to the feeding port of the cutting machine, the discharge port of the cutting machine is straight to the inlet of the condenser, and the cotton is sealed.
  • the discharge port of the mixer is directly connected to the mixer inlet, and the outlet of the mixer is directly connected to the non-woven fabric forming tray, and the plurality of microneedle spunlace heads distributed on the non-woven forming tray are placed between the non-woven fabric forming tray and the non-woven fabric forming tray.
  • There is a clamping net and the clamping net is sleeved on a plurality of microneedle spunlace heads, and a plurality of dewatering boxes are distributed under the non-woven forming web.
  • the invention has good flushability; the second is to realize the complete degradation of the non-woven fabric fiber after the flushing, and avoid the secondary pollution to the environment; and the third is because the raw material is pretreated, the material thereof The characteristics of the body are greatly released, so that the strength of the non-woven fabric in the dry and wet state is good; the fourth is the use of micro-needle spunlace to promote the intertwining of the fibers, and the full utilization of the chopping process The friction of the micro-incision on the surface of the viscose fiber makes the cohesion of the product strengthened under the dual action, ensuring that the product is excellent in wet strength without adding any chemical binder or heat-soluble fiber. This product.
  • Fig. 1 is a schematic view showing the state of the state in which the viscose fiber in the fully degradable spunlace nonwoven fabric is pretreated (cut).
  • Fig. 2 is a schematic view showing the state of the untreated viscose fiber (not cut).
  • Figure 3 is a block diagram of a method for making a flushable fully degradable spunlace nonwoven.
  • Figure 4 is a partial structural schematic view of a flushable fully degradable spunlace nonwoven production line.
  • Figure 5 is a schematic view of the structure of the clamping net.
  • Embodiment 1 Reference is made to Figures 1 and 2.
  • a flushable fully degradable spunlace nonwoven fabric consisting of 35-50% serrated flat viscose fiber 9, 65-50% wood pulp.
  • the serrated flat viscose fiber 9 is a deformed viscose fiber 10 which has been subjected to a chopping treatment.
  • the serrated flat viscose fiber (deformed viscose fiber 10) has a length of 5-20 mm.
  • the 35- The 50% serrated flat viscose fiber (deformed viscose fiber 10) accounts for 20-30% of the fiber length of more than 10 mm and less than or equal to 20 mm, and the fiber length of 5 mm or more and less than or equal to 10 mm.
  • the wood pulp fibers have a length of from 1 to 5 mm.
  • the 65-50% of the wood pulp has a fiber length of greater than or equal to 1 mm and less than or equal to 3 mm of 20-30%, a fiber length of more than 3 mm and less than or equal to 5 mm of 80-70%.
  • the technical indicators of the flushable fully degradable spunlace nonwoven fabric are as follows:
  • the structure of the clamping net is made of polyester yarn weft and weft, the diameter is 0.20-0.30mm polyester yarn, and the mesh of the clamping net is 50-65 mesh, ( The number of polyester filaments is 29 lines/cm).
  • Example 1-1 On the basis of Example 1, a flushable fully degradable spunlace nonwoven fabric consisting of 35% serrated flat viscose fiber 9, 65% wood pulp.
  • the serrated flat viscose fiber 9 is a deformed viscose fiber 10 after being chopped (see the tangent line in Fig. 1).
  • the 35-50% sawtooth flattened viscose fiber has a fiber length of more than 10 mm and less than or equal to 20 mm, 70-80%, and a fiber length of 5 mm or more and less than or equal to 10 Mm accounts for 20-30%.
  • the 65-50% wood pulp has a fiber length of greater than or equal to 1 mm and less than or equal to 3 mm of 20%, a fiber length of more than 3 mm and less than or equal to 5 mm of 80%.
  • Example 1-2 On the basis of Example 1, a flushable fully degradable spunlace nonwoven fabric consisting of 50% serrated flat viscose fiber 9, 50% wood pulp.
  • the serrated flat viscose fiber 9 is a deformed viscose fiber 10 which has been subjected to a chopping treatment.
  • the 35-50% sawtooth flattened viscose fiber accounts for 20-30% of the fiber length of more than 10 mm and less than or equal to 20 mm, 70-80% of the fiber length, and greater than or equal to 5 mm and less than or equal to 10 mm.
  • 70-50% of the wood pulp has a fiber length of greater than or equal to 1 mm and less than or equal to 3 mm of 30%, a fiber length of more than 3 mm and less than or equal to 5 mm of 70%.
  • Example 1-3 On the basis of Example 1, a flushable fully degradable spunlace nonwoven fabric consisting of 40% serrated flat viscose fiber 9, 60% wood pulp.
  • the serrated flat viscose fiber 9 is a deformed viscose fiber 10 which has been subjected to a chopping treatment.
  • the 35-50% sawtooth flattened viscose fiber accounts for 20-30% of the fiber length of more than 10 mm and less than or equal to 20 mm, 70-80% of the fiber length, and greater than or equal to 5 mm and less than or equal to 10 mm.
  • the 65-50% wood pulp has a fiber length of greater than or equal to 1 mm and less than or equal to 3 mm of 25%, a fiber length of greater than 3 mm and less than or equal to 5 mm of 75%.
  • Example 2 A flushable fully degradable spunlace nonwoven fabric consisting of 35-50% serrated flat viscose fiber 9, 65-50% wood pulp.
  • the serrated flat viscose fiber has a length of 5-20 mm.
  • Example 2-1 On the basis of Example 1, a flushable fully degradable spunlace nonwoven fabric consisting of 35% serrated flat viscose fiber 9, 65% wood pulp.
  • the serrated flat viscose fiber has a length of 20 mm.
  • Example 2-2 A flushable fully degradable spunlace nonwoven fabric consisting of 50% serrated flat viscose fiber 9, 50% wood pulp.
  • the serrated flat viscose fiber has a length of 5 mm.
  • Example 2-3 A flushable fully degradable spunlace nonwoven fabric, 40% of a 40% serrated flat viscose fiber Wood pulp composition.
  • the serrated flat viscose fiber has a length of 10 mm.
  • Example 3 Refer to Figures 3-5.
  • a method for preparing a fully degradable spunlace nonwoven fabric (1) 35-50% serrated flat 5-20 mm viscose fiber is laid flat at a feeding port, and the conveying mechanism 8 Feeding the chopping machine 1, through the high-speed shearing action of the file, the viscous viscose fiber is obtained after the surface or side of the fiber is cut into a plurality of slits; (2) the deformed viscose fiber and the wood pulp are respectively fed by the inlet After feeding into the condenser 2, the condenser 2 removes the air from the raw material conveying process, and the rotating condenser 2 freely falls the raw material to the mixer 3; (3) the mixer 3 is composed of three groups of materials.
  • the composition of the roller is divided into three sections in the middle, and the material falling into the mixer is formed by the mixer, and the viscose fiber and the wood pulp mixture are formed by the mixer, and the water inlet is installed at the upper end of the mixer.
  • Water so that the material located in the mixer forms a fully uniform working slurry; (4) a sufficiently uniform working slurry flows into the forming port, and the nonwoven fabric is formed into the tray 4 and the suction box 7
  • the generated negative pressure works together, the water is pumped away, the fiber raw material remains on the pallet, thereby producing the formed web structure; (5) the web is driven by the tray to the microneedle spunlace zone, and the microneedle is passed through the microneedle.
  • the spunlace head acts as a water needle, and the fibers are entangled with each other to form a sheet-like nonwoven fabric continuously.
  • the microneedle spunlace head has a clamping net around the clamping net, and the clamping net forms a clamping shape between the webs under the action of the microneedle spunlace to ensure that the fiber web does not have a large displacement, and the fiber is ensured. Net uniformity reduces fiber loss.
  • Example 5 Refer to Figure 4. A production line capable of flushing and fully degrading spunlace non-woven fabric, the end of the conveying mechanism 8 is directly connected to the feeding port of the cutting machine 1, the discharging port of the cutting machine 1 is directly connected to the inlet of the condenser 2, and the cotton is sealed.
  • the discharge port of the device 2 is directly connected to the inlet of the mixer 3, the outlet of the mixer 3 is directly connected to the non-woven fabric forming tray 4, and the plurality of microneedle spunlace heads 5 distributed on the non-woven forming tray 4 are non-woven.
  • a clamping net 6 is placed between the cloth forming trays 4 and the clamping net 6 is placed over the plurality of microneedle spunlace heads 5, and a plurality of dewatering tanks 7 are distributed below the nonwoven fabric forming tray 4.
  • the three groups of the mixers 3 are equally angularly distributed, and the mixing rolls are provided with stirring teeth.
  • the mixer 3 is provided with a spray port 12 and a water inlet 13.
  • the four corners of the clamping net 6 are supported by a guide shaft to form a parallelogram structure.
  • the outlet diameter of the microneedle spunlace head 5 is 0.08 mm.

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  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

La présente invention concerne un textile non tissé hydrolié dispersible et entièrement dégradable pouvant être rapidement dispersé et entièrement dégradé, et un procédé de fabrication et une chaîne de production correspondants. Le textile non tissé hydrolié dispersible et entièrement dégradable est composé de 35 à 50 % de viscose plane en zigzag et de 65 à 50 % de pâte de bois. Il présente les avantages suivants : premièrement, il possède une bonne dispersibilité ; deuxièmement, la viscose du textile non tissé dispersé est entièrement dégradée, ceci évitant toute pollution secondaire ; et troisièmement, les matières premières sont prétraitées de façon à faire pleinement émerger les caractéristiques des matériaux eux-mêmes, le textile non tissé possédant ainsi une bonne stabilité à l'état sec comme à l'état humide.
PCT/CN2013/081121 2013-08-01 2013-08-08 Textile non tissé hydrolié dispersible et entièrement dégradable, et procédé de fabrication et chaîne de production correspondants WO2015013991A1 (fr)

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Application Number Priority Date Filing Date Title
US14/375,621 US20160222560A1 (en) 2013-08-01 2013-08-08 Breakable and degradalbe non-woven spunlace and fabrication methods and production line

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Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104562439B (zh) * 2014-12-31 2017-06-20 杭州诺邦无纺股份有限公司 全降解舒肤高柔细旦纤维素水刺无纺布及制造方法
CN104562831B (zh) * 2014-12-31 2017-01-11 杭州诺邦无纺股份有限公司 全降解舒肤高柔细旦纤维素水刺湿巾材料及湿巾制造方法
CN104594105A (zh) * 2015-01-28 2015-05-06 杭州湿法无纺布设备有限公司 本色可降解可冲散无纺布的制作方法
CN104947496B (zh) * 2015-03-05 2017-08-22 杭州邦怡日用品科技有限公司 鼻洁涕护肤湿巾
CN104762749B (zh) * 2015-03-19 2018-07-27 杭州诺邦无纺股份有限公司 水冲散全降解再生无纺布
CN105463703B (zh) * 2015-12-25 2018-02-16 常熟市飞龙无纺机械有限公司 可冲散可降解混合纤维水剌无纺布及其制备方法
CN105483936B (zh) * 2016-01-26 2017-11-21 天津鸿胜嘉德科技有限公司 一种水刺无纺布的生产方法
CN106351053B (zh) * 2016-08-26 2018-10-02 大连瑞光非织造布集团有限公司 一种阶梯式混合法生产可冲散可降解水刺无纺布的工艺
CN106367886A (zh) * 2016-08-30 2017-02-01 绍兴柯桥天圣无纺有限公司 可冲散全降解水刺无纺布及其制备方法
CN106381612A (zh) * 2016-08-30 2017-02-08 绍兴柯桥天圣无纺有限公司 高吸湿特种涤纶湿法水刺无纺布及其制备方法
CN106400307A (zh) * 2016-08-30 2017-02-15 绍兴柯桥天圣无纺有限公司 湿法成网水刺提花无纺布及其制备方法
CN107419433B (zh) * 2017-08-08 2020-09-25 杭州诺邦无纺股份有限公司 一种竹浆粕可冲散水刺材料及制作方法
CN109487442B (zh) * 2018-11-30 2023-11-10 山东昌诺新材料科技有限公司 一种用于摆动式正反水平带式水刺机的水刺头
CN110184748A (zh) * 2019-05-23 2019-08-30 丁棋 一种水刺布的制备方法
CN116497624A (zh) * 2023-05-17 2023-07-28 河南逸祥卫生科技有限公司 一种降解可冲散水刺材料及制作方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007110497A2 (fr) * 2006-03-28 2007-10-04 Rieter Perfojet Non-tissé résistant et se délitant
CN102094293A (zh) * 2011-02-11 2011-06-15 杭州诺邦无纺股份有限公司 一种水冲全分解洁厕无纺布及制作方法
CN102912558A (zh) * 2012-09-27 2013-02-06 稳健医疗（黄冈）有限公司 多层复合非织造材料制造设备和制造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0978419A (ja) * 1995-09-19 1997-03-25 Oji Paper Co Ltd 水崩壊性不織布の製造方法
FR2803604B1 (fr) * 2000-01-11 2002-03-08 Icbt Perfojet Sa Procede pour la realisation d'un materiau non tisse complexe et nouveau type de materiau ainsi obtenu
DE102007023174A1 (de) * 2007-05-22 2008-11-27 Fleissner Gmbh Vorrichtung zum Behandeln und Verfestigen eines Verbunds
WO2009112008A1 (fr) * 2008-03-12 2009-09-17 Fleissner Gmbh Procédé et dispositif pour la présolidification d'un non-tissé
CN101302681A (zh) * 2008-06-03 2008-11-12 常熟市飞龙机械有限公司 可降解非织造布及其制作方法
JP5346221B2 (ja) * 2009-02-06 2013-11-20 ユニ・チャーム株式会社 水解性不織布
JP5599165B2 (ja) * 2009-06-11 2014-10-01 ユニ・チャーム株式会社 水解性繊維シート
CN201553877U (zh) * 2009-11-30 2010-08-18 苏州美森无纺科技有限公司 具有木浆纤维层的复合水刺布
EP2540892B1 (fr) * 2011-07-01 2014-04-16 Suominen Corporation Tissu non tissé dispersible dans l'eau
CN203890629U (zh) * 2013-08-01 2014-10-22 杭州诺邦无纺股份有限公司 可冲散全降解水刺无纺布的生产线

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007110497A2 (fr) * 2006-03-28 2007-10-04 Rieter Perfojet Non-tissé résistant et se délitant
CN102094293A (zh) * 2011-02-11 2011-06-15 杭州诺邦无纺股份有限公司 一种水冲全分解洁厕无纺布及制作方法
CN102912558A (zh) * 2012-09-27 2013-02-06 稳健医疗（黄冈）有限公司 多层复合非织造材料制造设备和制造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GAO, JUYI ET AL.: "Research on Manufacture Technology of Flushable Material Used for Wei Wipes", CHINA PULP & PAPER, vol. 31, no. 2, 31 December 2012 (2012-12-31), pages 15 - 18 *

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