CN114908583A - High-elasticity non-woven fabric and preparation method and application thereof - Google Patents
High-elasticity non-woven fabric and preparation method and application thereof Download PDFInfo
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- CN114908583A CN114908583A CN202210407227.2A CN202210407227A CN114908583A CN 114908583 A CN114908583 A CN 114908583A CN 202210407227 A CN202210407227 A CN 202210407227A CN 114908583 A CN114908583 A CN 114908583A
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- woven fabric
- fiber web
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 103
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 83
- 239000003292 glue Substances 0.000 claims abstract description 13
- 229920000728 polyester Polymers 0.000 claims abstract description 13
- 238000009960 carding Methods 0.000 claims abstract description 11
- 238000004080 punching Methods 0.000 claims abstract description 8
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims abstract description 8
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 7
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 7
- 239000001110 calcium chloride Substances 0.000 claims abstract description 7
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 7
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 229920006264 polyurethane film Polymers 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000007598 dipping method Methods 0.000 claims abstract description 5
- 239000011592 zinc chloride Substances 0.000 claims abstract description 4
- 235000005074 zinc chloride Nutrition 0.000 claims abstract description 4
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229920001971 elastomer Polymers 0.000 claims abstract description 3
- 239000005060 rubber Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 239000010985 leather Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000032683 aging Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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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
- D04H1/42—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
- D04H1/435—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
- D04H1/44—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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/155—Halides of elements of Groups 2 or 12 of the Periodic Table
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using flocked webs or pile fabrics upon which a resin is applied; Teasing, raising web before resin application
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/145—Oleophobic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1635—Elasticity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1685—Wear resistance
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1692—Weather resistance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a high-elasticity non-woven fabric and a preparation method and application thereof, wherein the preparation method comprises the following steps: opening, fine opening and carding the polyester fibers in sequence to obtain a fiber web; conveying the fiber web to a lapping machine for lapping to obtain a fiber web layer; conveying the fiber net layer to a needle machine for needle punching treatment to obtain an initial non-woven fabric; dipping the initial non-woven fabric in glue under a heating condition, taking out the initial non-woven fabric, and then drying to prepare the friction-resistant non-woven fabric, wherein the glue comprises butadiene acrylonitrile rubber, zinc chloride, calcium chloride and a dispersing agent; carrying out double-sided grinding treatment on the friction-resistant non-woven fabric to obtain a ground non-woven fabric; and printing a polyurethane film layer on the surface of the ground non-woven fabric to obtain the high-elasticity non-woven fabric. The high-elasticity non-woven fabric prepared by the invention has better oil resistance, wear resistance, aging resistance and high elasticity, and the elasticity performance of the non-woven fabric can be improved by 10-30% compared with the original non-woven fabric.
Description
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a high-elasticity non-woven fabric and a preparation method and application thereof.
Background
The non-woven fabric is also called non-woven fabric, is a new generation of environment-friendly material, and has the characteristics of air permeability, flexibility, light weight, no toxicity or stimulation, rich color, low price, recycling and the like. The prior non-woven fabric is usually formed by opening and fine opening directional or random fibers to form a fiber web, then utilizing a needle with barb to pierce the fiber web from the front surface of the fiber web at a high speed by a high-speed needling method, taking out the yarn fibers by the barb, and repeatedly interweaving and reinforcing. However, the elastic properties of the nonwoven prepared by the prior art still need to be improved.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a high elasticity nonwoven fabric, a preparation method and an application thereof, and aims to solve the problem of poor elasticity of the existing nonwoven fabric.
The technical scheme of the invention is as follows:
a preparation method of high-elasticity non-woven fabric comprises the following steps:
opening, fine opening and carding the polyester fibers in sequence to obtain a fiber web formed by monofilament fibers;
conveying the fiber web to a lapping machine for lapping to obtain a fiber web layer;
conveying the fiber net layer to a needle machine for needle punching treatment to obtain an initial non-woven fabric;
dipping the initial non-woven fabric in glue under a heating condition, taking out the initial non-woven fabric, and then drying to prepare the friction-resistant non-woven fabric, wherein the glue comprises butadiene acrylonitrile rubber, zinc chloride, calcium chloride and a dispersing agent;
carrying out double-sided grinding treatment on the friction-resistant non-woven fabric to obtain a ground non-woven fabric;
and printing a polyurethane film layer on the surface of the ground non-woven fabric to obtain the high-elasticity non-woven fabric.
The preparation method of the high-elasticity non-woven fabric comprises the steps of weighing 15-150g per square meter of the fiber web, wherein the thickness of the fiber web is 0.15-1.05cm, and the width of the fiber web is 1.5-2.5M.
The preparation method of the high-elasticity non-woven fabric comprises the following steps of conveying the fiber web into a lapping machine for lapping, wherein the width of an input curtain of the lapping machine is 1250cm, and the input speed is 2-25M/min; the width of an output curtain of the lapping machine is 26000cm, and the output speed is 30-1030M/min.
The preparation method of the high-elasticity non-woven fabric comprises the step of driving the lapping machine by adopting a chain or a chain wheel, wherein the total power of the lapping machine is 5KW, and the lapping speed is 2-50M/min.
The preparation method of the high-elasticity non-woven fabric comprises the following steps of conveying the fiber web layer into a needle machine for needle punching treatment:
pre-needling the fiber web layer to enable the fluffy fiber web to enter a needling area to obtain a pre-treated fiber web layer;
and carrying out needling treatment on the pretreated fiber web layer, and increasing the needle density to obtain the initial non-woven fabric.
The preparation method of the high-elasticity non-woven fabric comprises the step of preparing a pre-treated fiber web layer with the density of 50-80g/m 2 The thickness is 2-5 cm.
The preparation method of the high-elasticity non-woven fabric comprises the step of carrying out needling treatment on the pretreated fiber web layer, wherein the needling frequency is 600-.
The preparation method of the high-elasticity non-woven fabric comprises, by weight, 10-50 parts of nitrile rubber, 4-8 parts of zinc oxide, 50-70 parts of calcium chloride and 0.1-0.5 part of a dispersing agent.
The invention relates to a high-elasticity non-woven fabric, which is prepared by the preparation method of the high-elasticity non-woven fabric.
The invention relates to application of a high-elasticity non-woven fabric, wherein the high-elasticity non-woven fabric is used for preparing shoes or leather products.
Has the advantages that: the invention provides a preparation method of a high-elasticity wiping non-woven fabric, which comprises the following steps: opening, fine opening and carding the polyester fibers in sequence to obtain a fiber web formed by monofilament fibers; conveying the fiber web to a lapping machine for lapping to obtain a fiber web layer; conveying the fiber net layer to a needle machine for needle punching treatment to obtain an initial non-woven fabric; dipping the initial non-woven fabric in glue under the heating condition, taking out the initial non-woven fabric, and then drying to obtain the friction-resistant non-woven fabric; carrying out double-sided grinding treatment on the friction-resistant non-woven fabric to obtain a ground non-woven fabric; and finally, printing a polyurethane film layer on the surface of the ground non-woven fabric to obtain the high-elasticity non-woven fabric. The high-elasticity non-woven fabric prepared by the invention has better oil resistance, wear resistance, aging resistance and high elasticity, and the elasticity performance of the high-elasticity non-woven fabric can be improved by 10-30% compared with that of the original non-woven fabric.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of a method for preparing a high elastic nonwoven fabric according to the present invention.
Detailed Description
The invention provides a high-elasticity non-woven fabric and a preparation method and application thereof, and the invention is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a flow chart of a preferred embodiment of a method for preparing a high elastic nonwoven fabric according to the present invention, as shown in the figure, the method includes the steps of:
s10, opening and scotching polyester fibers, finely opening and carding to obtain a fiber web formed by monofilament fibers;
s20, conveying the fiber web to a lapping machine for lapping to obtain a fiber web layer;
s30, conveying the fiber web layer to a needle machine for needle punching treatment to obtain an initial non-woven fabric;
s40, dipping the initial non-woven fabric in glue under a heating condition, taking out the initial non-woven fabric, and then drying to obtain the friction-resistant non-woven fabric, wherein the glue comprises nitrile butadiene rubber, zinc chloride, calcium chloride and a dispersing agent;
s50, carrying out double-sided grinding treatment on the friction-resistant non-woven fabric to obtain a ground non-woven fabric;
and S60, printing a polyurethane film layer on the surface of the ground non-woven fabric to obtain the high-elasticity non-woven fabric.
In this embodiment, the polyester fiber is mainly milky white in color and has a density of 1.3 to 1.5g/cm 3 The moisture regain is 0.2-0.5%, the softening point is 180-280 deg.C, the decomposition point is 300-350 deg.C, and the melting point is 230-300 deg.C.
In this embodiment, the step of loosening the polyester fiber specifically includes: the polyester fiber is torn and loosened, the two parts with brad and needle teeth on the surfaces move relatively to the garnetting part in the cotton box feeder, and the brad curtain is formed by connecting wooden rods with brad. The polyester fiber moves on the surface of the brad nail curtain and meets a cylindrical cotton-homogenizing roller with brads, the distance between the brad nail curtain and the cotton-homogenizing roller is small, the polyester fiber is grabbed and torn by the brads to be loosened, the fiber raw material which is torn loose at the end of time is output out of the machine along with the brad nail curtain, the other part is knocked down by the cotton-homogenizing roller, and then the brad nail curtain is taken back to the space between the brad nail curtain and the cotton-homogenizing roller to be torn loose repeatedly. The fed fiber raw material is beaten by a blade, a fin nail or a pin tooth on a beating machine member rotating at a high speed or simultaneously penetrated into a fiber layer for division and carding. The binding force between the fiber and impurities is destroyed, and the loosening degree can be improved if the feeding amount of the fiber raw material in unit time is kept to be certain and the beating rotating speed is increased.
In this embodiment, the step of performing fine opening treatment on the polyester fiber specifically includes: the polyester fiber is conveyed into a static loosening machine, the movement of each part of the fine loosening machine has a matching relationship and is indicated by a dial, and generally, one movement cycle of the fine loosening machine can be divided into four stages: the method comprises the following steps of firstly, carding the cylinder, secondly, preparing before separation, thirdly, separating and jointing, and fourthly, preparing before carding the cylinder. The fine loosening machine is also called a combing machine, and the four motion stages have strict sequence relation; the carding machine aims to further loosen the loosened fiber aggregate, improves the fiber separation degree on the premise of reducing fiber damage as much as possible, enables fiber bundles to be perfectly separated into single fiber states, enables the fibers to be further and finely mixed uniformly, combs the fibers into a net, and the double-channel carding machine plays a role of uniformly overlapping double-layer fiber nets and sends the fiber nets out through a cotton stripping wheel.
In this embodiment, the polyester fibers are subjected to opening treatment, fine opening treatment, and carding treatment in sequence to obtain a fiber web formed of monofilament fibers. Wherein the gram weight of the fiber web per square meter is 15-150g, the thickness of the fiber web is 0.15-1.05cm, and the width of the fiber web is 1.5-2.5M.
In the embodiment, the fiber web is conveyed to a lapping machine for lapping through a cotton stripping wheel, the width of an input curtain of the lapping machine is 1250cm, and the input speed is 2-25M/min; the width of an output curtain of the lapping machine is 26000cm, and the output speed is 30-1030M/min. The lapping machine is driven by a chain or a chain wheel, the total power of the lapping machine is 5KW, and the lapping speed is 2-50M/min.
In some embodiments, the step of conveying the web layer to a needle loom for needling treatment comprises: pre-needling the fiber web layer to enable the fluffy fiber web to enter a needling area to obtain a pre-treated fiber web layer; and carrying out needling treatment on the pretreated fiber web layer, and increasing the needle density to obtain the initial non-woven fabric.
In this embodiment, the web layer is pre-needled in order to pass the lofty web into the needling zone to provide a pre-needled web layer having a strength of 1-3kg/ps, a density of 50-80g/m 2 The thickness is 2-5 cm. After the pre-needling treatment, the needle-punching treatment is carried out on the pre-treated fiber mesh layer, the needle density is increased, and the needle-punching frequency is 600-. In the embodiment, the distance between the mesh stripping plate and the mesh supporting plate is 5cm-10 cm; the distance is 2cm-5 cm.
In some embodiments, the friction-resistant non-woven fabric is prepared by immersing the initial non-woven fabric in glue under heating, taking out the initial non-woven fabric and then drying the initial non-woven fabric, wherein the glue comprises, by weight, 10-50 parts of nitrile butadiene rubber, 4-8 parts of zinc oxide, 50-70 parts of calcium chloride and 0.1-0.5 part of a dispersing agent.
In the embodiment, the heating condition is that infrared rays are heated to 160-230 ℃ to enable glue to instantly penetrate through the initial non-woven fabric, and the non-woven fabric is taken out after being qualified and then is placed into an oven to be baked and dried at 130-170 ℃ to obtain the friction-resistant non-woven fabric. The friction-resistant non-woven fabric has a better abrasion resistance index, can be used for 5000 times to 25600 times under the wet grinding condition, and can be used for 50000 times to 80000 times under the dry grinding condition.
In the embodiment, the friction-resistant non-woven fabric is subjected to double-sided grinding treatment to obtain the ground non-woven fabric, the surface of the ground non-woven fabric has a velvet feeling, is fine, smooth and is bright, and the thickness consumed by grinding is effectively controlled to be 0.02mm-0.05 mm.
In this example, a polyurethane film layer was printed on the surface of the ground nonwoven fabric to obtain the highly elastic nonwoven fabric. In the process of printing the polyurethane film layer, the solid content of the used raw material polyurethane is 20-35%. The high-elasticity non-woven fabric prepared by the embodiment has 20 to 38 percent higher bonding tensile strength than the initial non-woven fabric; the peel strength is improved by 3 to 7.5 percent; the tensile strength is improved by 5 to 10 percent.
In some embodiments, the invention further provides a high-elasticity non-woven fabric prepared by the preparation method of the high-elasticity wiping non-woven fabric.
In some embodiments, the invention further provides application of the high-elasticity non-woven fabric, and the high-elasticity non-woven fabric is used for preparing shoes or leather products.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A preparation method of high-elasticity non-woven fabric is characterized by comprising the following steps:
opening, fine opening and carding the polyester fibers in sequence to obtain a fiber web formed by monofilament fibers;
conveying the fiber web to a lapping machine for lapping to obtain a fiber web layer;
conveying the fiber net layer to a needle machine for needle punching treatment to obtain an initial non-woven fabric;
dipping the initial non-woven fabric in glue under a heating condition, taking out the initial non-woven fabric, and then drying to prepare the friction-resistant non-woven fabric, wherein the glue comprises butadiene acrylonitrile rubber, zinc chloride, calcium chloride and a dispersing agent;
carrying out double-sided grinding treatment on the friction-resistant non-woven fabric to obtain a ground non-woven fabric;
and printing a polyurethane film layer on the surface of the ground non-woven fabric to obtain the high-elasticity non-woven fabric.
2. The method for preparing a highly elastic nonwoven fabric according to claim 1, wherein the web has a grammage of 15 to 150g per square meter, a thickness of 0.15 to 1.05cm, and a width of 1.5 to 2.5M.
3. The method for preparing a highly elastic nonwoven fabric according to claim 1, wherein in the step of transferring the fiber web to a lapping machine for lapping, the width of an input curtain of the lapping machine is 1250cm, and the input speed is 2 to 25M/min; the width of an output curtain of the lapping machine is 26000cm, and the output speed is 30-1030M/min.
4. The method for preparing the high-elasticity non-woven fabric according to claim 3, wherein the lapping machine is driven by a chain or a chain wheel, the total power of the lapping machine is 5KW, and the lapping speed is 2-50M/min.
5. The method of claim 1, wherein the step of transferring the web layer to a needle loom for needling comprises:
pre-needling the fiber web layer to enable the fluffy fiber web to enter a needling area to obtain a pre-treated fiber web layer;
and carrying out needling treatment on the pretreated fiber web layer, and increasing the needle density to obtain the initial non-woven fabric.
6. The method of claim 5, wherein the pre-treated fibrous web layer has a density of 50-80g/m 2 The thickness is 2-5 cm.
7. The method for preparing a highly elastic nonwoven fabric according to claim 5, wherein the step of subjecting the pretreated fibrous web layer to needling treatment has a needling frequency of 600-.
8. The method for preparing the high-elasticity non-woven fabric according to claim 1, wherein the glue comprises, by weight, 10-50 parts of nitrile butadiene rubber, 4-8 parts of zinc oxide, 50-70 parts of calcium chloride and 0.1-0.5 part of a dispersing agent.
9. A highly elastic nonwoven fabric produced by the method for producing a highly elastic nonwoven fabric according to any one of claims 1 to 8.
10. Use of a highly elastic nonwoven fabric according to claim 9 for the production of shoes or leather goods.
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| CN108385365A (en) * | 2018-02-28 | 2018-08-10 | 东莞市颖盛纤维制品有限公司 | The preparation method and applications of non-woven fabrics |
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| JP2005082916A (en) * | 2003-09-08 | 2005-03-31 | Toray Ind Inc | Artificial leather having uneven pattern and method for producing the same |
| JP2007196336A (en) * | 2006-01-27 | 2007-08-09 | Toyobo Co Ltd | Nonwoven fabric polishing sheet |
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| KR20180075906A (en) * | 2016-12-27 | 2018-07-05 | 코오롱인더스트리 주식회사 | artificial leather with improved durability of abrasion and elasticity, and method of manufacturing the same |
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