CN112195659A - Method for manufacturing superfine fiber suede leather - Google Patents
Method for manufacturing superfine fiber suede leather Download PDFInfo
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- CN112195659A CN112195659A CN201910975906.8A CN201910975906A CN112195659A CN 112195659 A CN112195659 A CN 112195659A CN 201910975906 A CN201910975906 A CN 201910975906A CN 112195659 A CN112195659 A CN 112195659A
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- 239000000835 fiber Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000010985 leather Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000004744 fabric Substances 0.000 claims abstract description 78
- 239000004814 polyurethane Substances 0.000 claims abstract description 25
- 229920002635 polyurethane Polymers 0.000 claims abstract description 25
- 239000003513 alkali Substances 0.000 claims abstract description 14
- 238000004043 dyeing Methods 0.000 claims abstract description 14
- 238000007667 floating Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000009941 weaving Methods 0.000 claims abstract description 7
- 238000009965 tatting Methods 0.000 claims abstract description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 229920000728 polyester Polymers 0.000 claims description 18
- 229920001410 Microfiber Polymers 0.000 claims description 13
- 229920002334 Spandex Polymers 0.000 claims description 9
- 239000004759 spandex Substances 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 4
- 208000016261 weight loss Diseases 0.000 claims description 4
- 239000013585 weight reducing agent Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000003658 microfiber Substances 0.000 claims 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract description 2
- 230000008520 organization Effects 0.000 abstract 1
- 239000002649 leather substitute Substances 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000012982 microporous membrane Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000002759 woven fabric Substances 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- 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
- D06N3/0004—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 ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
-
- 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
- D06N3/0006—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 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
- D06N3/0015—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 fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0025—Rubber threads; Elastomeric fibres; Stretchable, bulked or crimped fibres; Retractable, crimpable fibres; Shrinking or stretching of fibres during manufacture; Obliquely threaded fabrics
- D06N3/0027—Rubber or elastomeric fibres
-
- 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
- D06N3/0015—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 fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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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
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
-
- 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
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5285—Polyurethanes; Polyurea; Polyguanides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
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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
- D06N2209/1685—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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Abstract
The invention discloses a method for manufacturing superfine fiber suede leather, which relates to the field of textile leather and mainly comprises the following steps: the method comprises the following steps of raw material preparation, grey cloth manufacturing, thermal shrinkage, high-temperature setting, padding in polyurethane solution, sanding, alkali treatment, dyeing and finishing, superfine fiber filaments and high-shrinkage filaments are combined and elasticated to form differently-shrunk plied filaments, then weaving is carried out by adopting a tatting satin weave organization technology, the high-shrinkage filaments are placed in high-temperature hot water for treatment by utilizing the thermal shrinkage principle of the high-shrinkage filaments, so that a three-dimensional structure is formed on the surface of the high-shrinkage filaments, and then the high-shrinkage filaments are further shrunk through the high-temperature thermal setting, so that the grey cloth is tighter, the camber of the floating filaments of the superfine fiber filaments is increased, and a fuzz fiber bundle is more protruded and tighter, and the texture grey cloth structure is more stable. Then padding the fabric with polyurethane solution, and forming a three-dimensional bundle-shaped structure of the grey fabric more stably due to the porous reticular film of the polyurethane. Then the superfine suede leather is obtained through the processes of sanding, alkali treatment, dyeing, finishing and the like.
Description
Technical Field
The invention relates to artificial leather and a manufacturing method thereof, in particular to a method for manufacturing the artificial leather by using superfine fiber filaments and high-shrinkage filaments as raw materials, applying a weaving technology of a woven satin weave structure and combining a polyurethane impregnation process, and belongs to the technical field of textile leather.
Background
Most of the prior superfine fiber suede leather is manufactured by repeatedly entangling superfine fibers by needling or spunlacing, padding with polyurethane solution, sanding, alkali treatment and dyeing and finishing. The artificial leather produced by this process has a three-dimensional structure like natural leather, but such entanglement is unstable, and the produced suede leather is far from natural leather in texture and properties, and has low density, poor abrasion resistance, sparse nap, and low softness, resulting in rough hand feeling of the suede leather. Some artificial leathers are manufactured by a shuttle weaving technology, namely yarns are formed by interlacing the warp direction and the weft direction in a picking mode, and the manufactured leathers only have a two-dimensional structure of the warp direction and the weft direction, so that the hand feeling is poor, the wear resistance is poor, and the market demand can not be met.
Disclosure of Invention
In order to overcome the problems of low density, poor wear resistance, sparse fluff, low softness and the like of suede leather in the prior art, the manufacturing method of the superfine fiber suede leather comprises the following steps:
s01: preparing raw materials: combining and texturing the superfine fiber filaments and the high-shrinkage filaments to form the different-shrinkage rate plied yarns;
s02: manufacturing a grey fabric: weaving the different-shrinkage rate plied yarns into grey cloth with warp or weft floating long lines by adopting a tatting satin weave structure;
s03: thermal shrinkage: performing high-temperature hot water shrinkage treatment on the grey cloth woven by the S02;
s04: high-temperature shaping: sending the grey cloth processed by the S03 into a high-temperature tentering setting machine for processing, and performing shrinkage setting again;
s05: padding a polyurethane solution: padding the grey cloth processed by the S04 by a polyurethane solution, solidifying and drying;
s06: sanding: sanding the grey cloth processed by the S05 through a sanding machine;
s07: alkali weight reduction treatment: putting the grey cloth processed by the S06 into a sodium hydroxide solution for fiber opening decrement treatment;
s08: dyeing: carrying out high-temperature dyeing on the grey cloth processed by the S07;
s09: finishing: and (4) finishing the grey cloth subjected to the S08 treatment by hand feeling and velvet feeling.
By adopting the technical scheme, the ultra-fine fiber filaments and the high shrinkage filaments are combined and elasticated to form the different shrinkage rate plied yarns as raw materials, a weaving process of a tatting satin weave texture structure is adopted to manufacture the grey cloth with warp or weft floating long yarns, then the high shrinkage filaments in the different shrinkage plied yarns are shrunk and tensioned in high-temperature water through high-temperature hot water treatment, so that the ultra-fine fiber filaments on the surface of satin weave fabric are arched, thus forming fiber bundles with bulges on the surface, preliminarily forming the grey cloth with a three-dimensional structure, then the grey cloth is subjected to high-temperature hot shrinkage treatment of a setting machine, so that the high shrinkage filaments in the different shrinkage filaments are further shrunk, the ultra-fine fiber floating long yarns are further arched, further changing the texture structure of the grey cloth, making the fiber bundles formed by the ultra-fine fiber filaments to be more three-dimensional, and the fiber bundles are densely distributed on the surface of the grey cloth, a velvet grey cloth with a very compact three-dimensional structure is formed, and the evolution process of the grey cloth from a two-dimensional organizational structure to the three-dimensional structure is completed; then padding polyurethane solution to make polyurethane form continuous sponge porous membrane, uniformly distributed between the fibers with three-dimensional structure, so that the three-dimensional fluff is more stable, and has elasticity and texture of skin. And then, carrying out sanding treatment on the grey cloth by using a sanding machine to form a fluff layer on the surface of the grey cloth, then carrying out alkali decrement treatment on the sanded grey cloth, and dyeing and finishing to obtain the superfine fiber suede leather.
The preferable scheme is that in the step S01, the superfine fiber is polyester superfine fiber filament, and the high shrinkage filament is polyester high shrinkage filament or spandex filament with the shrinkage rate of 30-60%.
By adopting the technical scheme, the polyester high-shrinkage filament and the spandex filament have the characteristic of easy shrinkage when heated, and can form an arch surface on the surface of grey cloth when subjected to heat shrinkage treatment.
The preferable scheme is that in the step S01, the superfine fiber is polyester superfine fiber filament, and the high-shrinkage filament is polyester high-shrinkage filament or spandex filament with the shrinkage rate of 30-70%.
By adopting the technical scheme, 30-70% of polyester high-shrinkage filaments or spandex filaments can be quickly shrunk by heating, and an arch surface is formed on the surface of the grey cloth.
Preferably, step S02 is performed by weaving a satin weave structure, and the surface of the fabric is formed with warp or weft float long threads.
By adopting the technical scheme, the grey cloth woven by adopting the tatting satin weave structure is beneficial to the arching deformation of the other superfine fiber yarn after the shrinkage of the different shrinkage yarn.
The satin weave can be a single-side weave structure or a double-side weave structure.
By adopting the technical scheme, the single-side weave structure is simple and convenient to weave, and the grey cloth woven by the double-side weave structure is stable in structure.
The preferable embodiment is that the treatment temperature of the heat shrinkage in the step S03 is 100 ℃ to 135 ℃.
By adopting the technical scheme, the high-shrinkage filaments on the surface of the satin fabric are shrunk and arched after being heated, and a three-dimensional structure is preliminarily formed on the surface of the fabric, so that the superfine fiber fluff can be erected.
The preferred scheme is that the high-temperature setting temperature in the step S04 is 180-220 ℃.
By adopting the technical scheme, the grey cloth is further shrunk and arched through the treatment of the high-temperature stentering setting machine after thermal shrinkage, and the three-dimensional structure of the fabric is more stable and compact.
The preferable scheme is that the padded polyurethane solution in the step S05 is an aqueous polyurethane or solvent type polyurethane solution.
By adopting the technical scheme, the polyurethane solution can be solidified to form the spongy microporous membrane which is uniformly distributed among the fibers with the three-dimensional structure, so that the fluff is more stable, three-dimensional and better in wear resistance.
The preferable scheme is that the alkali solution in the step S07 is a sodium hydroxide solution, and the alkali weight reduction treatment temperature is 125-130 ℃.
By adopting the technical scheme, the sodium hydroxide solution hydrolyzes and dissolves soluble polyester in the polyester fabric fiber more fully under the environment of 125-130 ℃, so that superfine fiber filaments in the fabric are fully dispersed, and the grey fabric texture is lighter, softer and smoother.
The preferable scheme is the dyeing in the step S08, and the treatment temperature is 100-135 ℃.
By adopting the technical scheme, the fibers in the fluff are fully dispersed, and the surface of the suede is more exquisite and soft.
The preferred scheme is that the finishing in the step S09 is airflow soft finishing or loose soft finishing.
By adopting the technical scheme, the obtained grey cloth is more natural and soft, and the two soft finishes have no toxicity and no harm to the skin of a user.
Compared with the prior art, the invention has the advantages that: the woven suede leather has high density, fine fluff and good wear resistance.
Drawings
FIG. 1 is a flow chart of the steps of the present invention.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
Example 1
Referring to the flow chart of fig. 1, the superfine fiber filament and the polyester high shrinkage filament are selected as raw materials, the shrinkage rate of the polyester high shrinkage filament is preferably 50% in this embodiment, the superfine fiber filament and the polyester high shrinkage filament are combined and elastically crimped to form a different shrinkage rate plied yarn, and a woven satin weave structure is adopted to weave a fabric with warp or weft floating long threads on the surface.
The grey cloth is subjected to heat shrinkage treatment, the treatment temperature is 100-135 ℃, the temperature is preferably 130 ℃, the grey cloth is placed in water of 130 ℃, polyester high-shrinkage filaments in different shrinkage plied yarns in the grey cloth are shrunk and tensioned in the high-temperature water to enable superfine fiber floating long lines on the surface of the satin fabric to be arched, and accordingly protruding bundle-shaped fiber bundles are formed.
The grey cloth is subjected to heat setting treatment in a high-temperature tentering setting machine at the temperature of 180-220 ℃, the selected temperature of the embodiment is 210 ℃, namely the grey cloth of the fiber bundle is sent into the high-temperature tentering setting machine, so that polyester high-shrinkage filaments in the grey cloth are further shrunk, the grey cloth is tighter, the arch curvature of the floating filament of the superfine fiber filaments is also increased, and the fiber bundle is more three-dimensional and more stable. At this time, the surface of the grey cloth is covered with a layer of raised superfine fiber bundle, so that the texture structure of the grey cloth is fundamentally changed, the original satin floating long line is changed into a fuzz raised superfine fiber bundle, and the evolution process from a two-dimensional texture structure to a three-dimensional structure is completed.
The grey cloth is padded with a polyurethane solution, in this embodiment, the solution is preferably waterborne polyurethane, so that the waterborne polyurethane is uniformly distributed in the grey cloth, and then the waterborne polyurethane is solidified into a continuous spongy microporous membrane, so that the protruding superfine fiber bundles are fixed by the waterborne polyurethane, and the three-dimensional structure on the surface of the grey cloth is further stabilized. And then the grey cloth is polished by a sanding machine to disperse surface fibers, and a layer of thick fluff is formed on the surface of the grey cloth.
And (3) performing alkali deweighting treatment on the sanded grey cloth, wherein the temperature is 125-130 ℃, in the embodiment, the preferred temperature is 125 ℃, soaking the grey cloth in a sodium hydroxide solution, and hydrolyzing and dissolving soluble polyester in the fabric by using an alkali solution to fully disperse superfine polyester fibers in the fabric, so that the texture of the grey cloth is softer and more exquisite.
And dyeing the grey cloth, wherein the dyeing temperature is 100-135 ℃, the temperature is preferably 130 ℃ in the embodiment, and the dye liquor can be fully impregnated in the grey cloth. And finally, softening the grey cloth by adopting an airflow softening finishing machine, and finishing to obtain the superfine fiber suede leather with a three-dimensional structure.
Example 2
The difference between this embodiment and embodiment 1 is that the superfine fiber filament and the spandex filament are selected as raw materials, in this embodiment, the shrinkage of the spandex filament is preferably 60%, the superfine fiber filament and the spandex filament are combined and elastically crimped to form a different shrinkage rate plied yarn, and a woven fabric with warp or weft floating long threads on the surface is woven by adopting a woven satin weave structure. The technical scheme is that satin weave grey cloth is subjected to thermal shrinkage treatment in hot water at the temperature of 135 ℃, spandex filaments are subjected to thermal shrinkage, the grey cloth is subjected to shaping treatment through a high-temperature tentering shaping machine at the temperature of 190 ℃ and then is soaked in polyurethane solution, and the polyurethane solution forms a continuous spongy porous membrane which is uniformly distributed among fibers with a three-dimensional structure, so that three-dimensional fluff is more stable and three-dimensional. Then soaking the fabric in a sodium hydroxide solution at the temperature of 130 ℃, hydrolyzing and dissolving the soluble polyester on the fiber at the temperature more fully, and obtaining softer gray fabric. Dyeing the grey cloth after the alkali treatment, wherein the dyeing temperature is 135 ℃, the dye liquor is more fully and uniformly dip-dyed at the temperature, and then carrying out soft finishing by a loose soft finishing machine to obtain the grey cloth so as to obtain the superfine fiber suede leather with a three-dimensional structure.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A method for manufacturing superfine fiber suede leather comprises the following steps:
s01: preparing raw materials: combining and texturing the superfine fiber filaments and the high-shrinkage filaments to form the different-shrinkage rate plied yarns;
s02: manufacturing a grey fabric: manufacturing the different-shrinkage rate plied yarns into grey cloth with warp or weft floating long threads by adopting a tatting satin weave structure;
s03: thermal shrinkage: performing high-temperature hot water shrinkage treatment on the grey cloth woven by the S02;
s04: high-temperature shaping: sending the grey cloth processed by the S03 into a high-temperature tentering setting machine for processing, and performing shrinkage setting again;
s05: padding a polyurethane solution: padding the grey cloth processed by the S04 by a polyurethane solution, solidifying and drying;
s06: sanding: sanding the grey cloth processed by the S05 through a sanding machine;
s07: alkali weight reduction treatment: putting the grey cloth processed by the S06 into an alkali solution for fiber opening decrement treatment;
s08: dyeing: carrying out high-temperature dyeing on the grey cloth processed by the S07;
s09: finishing: and (4) finishing the grey cloth subjected to the S08 treatment by hand feeling and velvet feeling.
2. The method for manufacturing the microfiber suede leather according to claim 1, wherein the method comprises the following steps: in the step S01, the superfine fibers are polyester superfine fiber filaments, and the high-shrinkage filaments are polyester high-shrinkage filaments or spandex filaments with the shrinkage rate of 30-70%.
3. The method for manufacturing the microfiber suede leather according to claim 1, wherein the method comprises the following steps: step S02 is made by weaving a satin weave structure, the surface of the fabric forming warp or weft float long threads.
4. The method for manufacturing the microfiber suede leather according to claim 3, wherein the method comprises the following steps: the satin weave can be a single-sided weave structure or a double-sided weave structure.
5. The method for manufacturing the microfiber suede leather according to claim 1, wherein the method comprises the following steps: the treatment temperature of the heat shrinkage in step S03 is 100 ℃ to 135 ℃.
6. The method for manufacturing the microfiber suede leather according to claim 1, wherein the method comprises the following steps: the high-temperature setting temperature in the step S04 is 180-220 ℃.
7. The method for manufacturing the microfiber suede leather according to claim 1, wherein the method comprises the following steps: the padded polyurethane solution in step S05 is a water-based polyurethane or solvent-based polyurethane solution.
8. The method for manufacturing the microfiber suede leather according to claim 1, wherein the method comprises the following steps: in the step S07, the alkali solution is sodium hydroxide solution, and the alkali weight reduction treatment temperature is 125-130 ℃.
9. The method for manufacturing the microfiber suede leather according to claim 1, wherein the method comprises the following steps: and (5) dyeing according to the step S08, wherein the treatment temperature is 100-135 ℃.
10. The method for manufacturing the microfiber suede leather according to claim 1, wherein the method comprises the following steps: the finishing in step S09 is an air flow soft finish or a loose soft finish.
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