CN101446045B - Method for manufacturing leather base cloth for sports shoes - Google Patents
Method for manufacturing leather base cloth for sports shoes Download PDFInfo
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- CN101446045B CN101446045B CN2008102441179A CN200810244117A CN101446045B CN 101446045 B CN101446045 B CN 101446045B CN 2008102441179 A CN2008102441179 A CN 2008102441179A CN 200810244117 A CN200810244117 A CN 200810244117A CN 101446045 B CN101446045 B CN 101446045B
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Abstract
The invention relates to a method for manufacturing a leather base cloth for sports shoes, which comprises the following steps: adopting the sea-island composite filature of non-figured island filature (sea PE/island PA is equal to 40/60 to 60/40) through taking PA as an island and PE as a sea and the sea-island composite filature of figured island filature (sea PA/island PE is equal to 70/30 and island number of 16 to 37) through taking PE as an island and PA as a sea with the weight ratio being 50:50; mixing, releasing, carding, mesh paving, needling and then obtaining the mixed needling leather base cloth of the sea-island composite fiber of a figured island and the sea-island composite fiber of a non-figured island, wherein, the base cloth contains dipped pulp polyurethane resin pulp; concreting by using the wet process, washing, drying and obtaining porous elastic shaped and unshaped mixed fiber base cloth by using the wet process; extracting the PE sea of the non-figured island and the PE island of the figured island from methylbenzene solvent, wherein, superfine fiber PA and mesoporous fiber PA are contained in the base cloth, the superfine fiber PA has soft hand feeling and artistic outer appearance, and the mesoporous fiber PA has higher mechanical properties such as strength and tear strength; and finally manufacturing the leather base cloth for the sports shoes through the post-finish procedures such as softening, roughing, dyeing and the like, so as to satisfy the requirements of the leather for the sports shoes.
Description
Technical field
The present invention relates to the production technology of artificial leather, a kind of manufacture method of leather base cloth for sports shoes specifically, described method utilizes the island composite fibre to make to be suitable for sport footwear with leather, the mechanical and physical performance of when wearing, having relatively high expectations as brute force, tearing strength etc. and also in light weight, outward appearance is graceful.
Background technology
In the manufacturing of artificial leather, use superfine fibre and make outward appearance grace and light weight, soft artificial sueded leather is comparatively common and obtain the welcome in market, in removing from office, occupy certain status at high-grade footwear, most island composite fibre of using in these leather, be the island with polyamide polymer (the following PA of being) mostly, polyethylene polymer (following is PE) is the sea, melt blending is spun into the island compound silk, with this fibrid through carding, laying becomes certain width and thickness, through acupuncture fibre web in fiber tangle mutually, give certain intensity and thickness, invest base cloth with elastic compound then and give base cloth certain elasticity, and make base cloth keep certain form.Extra large molten Jie in the island composite fibre in the base cloth is removed, make the composite fibre super-refinement.So just can obtain style and stablize the imitative chamois leather of good superfine fibre, but this method dissolves away the sea in the super-refinement process, in process, matrix is subjected to pressure rolling, and the thickness of base cloth can reduce, and density increases, and can not take into account lightweight.Secondly owing to island compound co-blended spinning, the island is affected in the length of marine distribution and island fiber, and this is unfavorable with regard to bringing for the mechanical properties that improves base cloth.
Summary of the invention
The objective of the invention is to design a kind of manufacture method of leather base cloth for sports shoes, the leather base cloth of making at present indefinite island composite fibre exists the not high weakness of mechanical properties, adopts indefinite island composite fibre and decides the mixed combing system fibre web of island composite fibre.
According to technical scheme provided by the invention, blended fiber is successively through obtaining indefinite island and deciding island blended fiber acupuncture leather base cloth after combing, lapping, the acupuncture; Form leather base cloth for sports shoes through impregnation and release, extraction back successively then; It is characterized in that: before combing, the first not figured islands-in-sea composite fiber that the figured islands-in-sea composite fiber and the island number on island several 16～37 are 800～1000 islands, figured islands-in-sea composite fiber by 30～70% mixes with 70～30% not figured islands-in-sea composite fiber, forms blended fiber.
Described not figured islands-in-sea composite fiber is to be the island with PA, and PE is the fiber in sea; Described figured islands-in-sea composite fiber is to be the island with PE, and PA is the fiber in sea.
When impregnation and release, earlier acupuncture is removed from office the dimethyl formamide solution of the polyurethane resin slurry of base cloth impregnation 10～15% concentration, polyurethane resin slurry and dimethyl formamide are immersed in the acupuncture leather base cloth; Take out acupuncture leather base cloth again and put into 10%～30% the dimethyl formamide aqueous solution, utilize water to displace to immerse the dimethyl formamide in the acupuncture leather base cloth, the polyurethane resin slurry in the acupuncture leather base cloth is solidified; Again acupuncture leather base cloth is repeatedly pushed and washes, clean the dimethyl formamide in the acupuncture leather base cloth; In setting machine, carry out drying one time then, form porous matter elasticity acupuncture leather base cloth with 80～150 ℃.
When extracting, with the PE island composition of PE marine origin part of figured islands-in-sea composite fiber and figured islands-in-sea composite fiber not in toluene or the xylene extraction base cloth through the leather of the acupuncture behind drying base cloth.
After extraction, carry out the secondary drying; When the secondary drying, acupuncture leather base cloth enters the setting machine of lax formula, heats calendering cooling then by 80～150 ℃ hot blasts.
After acupuncture leather base cloth is extracted, in acupuncture leather base cloth, form superfine fibre PA and porous fibre PA.
Described superfine fibre PA gives leather base cloth for sports shoes soft hand feeling and graceful outward appearance; Porous fibre PA then gives the leather base cloth for sports shoes mechanical and physical performance.
When mixing, utilize belt conveyer scale reinforced respectively figured islands-in-sea composite fiber and figured islands-in-sea composite fiber not by described content, on thick opener, carry out thick shredding again, enter big storehouse cotton blender machine or multi-mixer then and mix; Mixed blended fiber is carried out smart shredding at refined opener, enters carding machine later on again through smart shredding and carries out combing; The fibre web that forms after combing on the carding machine is paved into the multilayer fibre web through the lapping of lapping machine; The multilayer fibre web enters needing machine again and carries out acupuncture, forms acupuncture leather base cloth.
When the multilayer fibre web is carried out acupuncture, utilize the pricker repeated puncture on the pricker machine, the multilayer fibre web is tangled mutually, make acupuncture leather base cloth, the superficial density of acupuncture leather base cloth is at 0.3g/cm
3Under.
The superficial density of acupuncture leather base cloth should not be too high, and when in general superficial density was high, the intensity of acupuncture leather base cloth was then high, but the fiber number in the unit volume increases, and feel is poor, is unfavorable for the lightweight of removing from office.Acupuncture leather base cloth is pricked through hot-rolling and is pressed, and can make acupuncture leather base cloth surface smoothingization, and makes the PE in the base cloth molten sticking, is convenient to make the base cloth metamorphosis because of the drawing-off that is subjected to equipment in the processing of back.Base cloth fiber and elastomeric balance are extremely important, and this will influence the sense of fulfillment of final product, cortex sense and flexibility.Remove the composition in sea then, make indefinite island composite fibre obtain the PA superfine fibre, these superfine fibres are all at 0.1dtex, be preferably in below the 0.05dtex, from base cloth, be pulled out easily when thick, the island of deciding in the composite fibre of island is extracted, form PA fiber with hollow, these fibers play a decisive role to the raising of mechanical property, make leather have warmth retention property, lightweight simultaneously.Leather one side at least fluffs, rubs back arrangements such as leather, bristle.
The present invention adopts and decides island composite fibre and indefinite island composite fibre, the island that the sea on indefinite island is PE, decide the island is PE, with identical organic solvent extraction, obtain the superfine fibre on indefinite island and the doughnut of typing, in the same function of bringing into play in basic separately, superfine fibre PA makes that base cloth is soft, outward appearance is graceful.And hollow PA fiber is given higher intensity of base cloth and tearing strength, and effectively solving leather base cloth for sports shoes needs intensity height, good hand touch and warmth retention property, light-weighted requirement.
The specific embodiment
Embodiment utilizes the twin-screw melt spinning machine, (A) the indefinite island of expression composite fibre, and the island in the composite fibre of described indefinite island is PA, and the content on island is 40～50%, and the sea is PE, and the content in sea is 60～50%; (B) the island composite fibre is decided in expression, and described island of deciding in the composite fibre of island is PE, and the content on island is 20～30%, and the sea is PA, and the content in sea is 70～80%; (A) with (B) through traditional curling, oil, drying, cutting into staple fibre, fineness is 3.5～50.5detx, length 37～51mm, (A) content is 30～70%, (B) content is 70～30%, (A), (B) composite fibre is through mixed, combing, lapping, acupuncture, makes grammes per square metre 400～500g/m
2Base cloth, acupuncture is controlled at 800～1200 thorn/cm
2Within, warm-up mill is pricked and is pressed then, temperature is controlled at 80～110 ℃, then the dimethyl formamide of impregnation 10～15%PU (to call DMF in the following text) solution, in 10～30%DMF aqueous solution, solidify, with clear water washing, by behind drying of setting machine, with 80～100 ℃ xylene extraction, impel PE to dissolve, from composite fibre, remove PE, carry out the secondary drying again.Make PA fiber and ultra-fine PA fiber and PU composition thickness 0.8～1.2mm, the grammes per square metre 150～300g/m of hollow
2The artificial leather base material.The sanding of base cloth one side is milled to thickness 0.6～1.0mm, and another side is handled with the diamond dust napping machine, makes tearing strength 5～10Kg/2.5cm, superficial density 0.2～0.3g/cm
3, outward appearance, style, feel are good, no fuds fuddled and light-duty leather base cloth for sports shoes.
Comparative example, (A) indefinite island composite fibre, the island is PA.The sea is the PE co-blended spinning, and PA/PE=50/50 (B) decides the island composite fibre, and the island is PE, and the sea is PA, and A/B=100/0, all the other conditions are made tearing strength with above-mentioned embodiment, superficial density 0.20g/cm
3, intensity is general, and particularly tearing strength is not enough, only 5.1Kg/2.5cm.
Describedly traditional curl, oil, operation such as drying, cut-out, combing, lapping, acupuncture can be referring to " non-weaving cloth production and processing novel technique and performance test and quality control standard application manual ", author: Liu Hui, publishing house: silver-colored sound is as publishing house.Operations such as traditional solvent extraction, drying also can reference.
Claims (4)
1. the manufacture method of a leather base cloth for sports shoes obtains indefinite island after blended fiber process combing successively, lapping, the acupuncture and decides island blended fiber acupuncture leather base cloth; Form leather base cloth for sports shoes through impregnation and release, extraction back successively then; It is characterized in that: before combing, the first not figured islands-in-sea composite fiber that the figured islands-in-sea composite fiber and the island number on island several 16～37 are 800～1000 islands, figured islands-in-sea composite fiber by 30～70% mixes with 70～30% not figured islands-in-sea composite fiber, forms blended fiber;
Described not figured islands-in-sea composite fiber is to be the island with PA, and PE is the fiber in sea; Described figured islands-in-sea composite fiber is to be the island with PE, and PA is the fiber in sea;
When impregnation and release, earlier acupuncture is removed from office the dimethyl formamide solution of the polyurethane resin slurry of base cloth impregnation 10～15% concentration, polyurethane resin slurry and dimethyl formamide are immersed in the acupuncture leather base cloth; Take out acupuncture leather base cloth again and put into 10%～30% the dimethyl formamide aqueous solution, utilize water to displace to immerse the dimethyl formamide in the acupuncture leather base cloth, the polyurethane resin slurry in the acupuncture leather base cloth is solidified; Again acupuncture leather base cloth is repeatedly pushed and washes, clean the dimethyl formamide in the acupuncture leather base cloth; In setting machine, carry out drying one time then, form porous matter elasticity acupuncture leather base cloth with 80～150 ℃;
When extracting, with the PE island composition of PE marine origin part of figured islands-in-sea composite fiber and figured islands-in-sea composite fiber not in toluene or the xylene extraction base cloth through the leather of the acupuncture behind drying base cloth.
2. the manufacture method of leather base cloth for sports shoes according to claim 1 is characterized in that: after extraction, carry out the secondary drying; When the secondary drying, acupuncture leather base cloth enters the setting machine of lax formula, heats calendering cooling then by 80～150 ℃ hot blasts.
3. the manufacture method of leather base cloth for sports shoes according to claim 1, it is characterized in that, when mixing, utilize belt conveyer scale reinforced respectively figured islands-in-sea composite fiber and figured islands-in-sea composite fiber not by described content, on thick opener, carry out thick shredding again, enter big storehouse cotton blender machine or multi-mixer then and mix; Mixed blended fiber is carried out smart shredding at refined opener, enters carding machine later on again through smart shredding and carries out combing; The fibre web that forms after combing on the carding machine is paved into the multilayer fibre web through the lapping of lapping machine; The multilayer fibre web enters needing machine again and carries out acupuncture, forms acupuncture leather base cloth.
4. as the manufacture method of leather base cloth for sports shoes as described in the claim 3, it is characterized in that, when the multilayer fibre web is carried out acupuncture, utilize the pricker repeated puncture on the pricker machine, the multilayer fibre web is tangled mutually, make acupuncture leather base cloth, the superficial density of acupuncture leather base cloth is at 0.3g/cm
3Under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102441179A CN101446045B (en) | 2008-12-08 | 2008-12-08 | Method for manufacturing leather base cloth for sports shoes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102441179A CN101446045B (en) | 2008-12-08 | 2008-12-08 | Method for manufacturing leather base cloth for sports shoes |
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| Publication Number | Publication Date |
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| CN101446045A CN101446045A (en) | 2009-06-03 |
| CN101446045B true CN101446045B (en) | 2011-05-04 |
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| CN2008102441179A Active CN101446045B (en) | 2008-12-08 | 2008-12-08 | Method for manufacturing leather base cloth for sports shoes |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433686A (en) * | 2011-10-10 | 2012-05-02 | 浙江梅盛实业股份有限公司 | Needle-punched non-woven base fabric |
| CN102517918B (en) * | 2011-12-05 | 2013-07-24 | 无锡双象超纤材料股份有限公司 | Manufacturing method of water-proof and air-permeable ultrafine fiber safety shoe leather |
| CN102517924B (en) * | 2011-12-05 | 2013-08-14 | 无锡双象超纤材料股份有限公司 | Manufacturing method of low-viscosity superfine polyamide chopped fiber glove leather |
| CN105178040A (en) * | 2015-08-19 | 2015-12-23 | 无锡双象超纤材料股份有限公司 | Preparation method for environment-friendly flame-retardant microfiber leather |
| CN105002742A (en) * | 2015-08-19 | 2015-10-28 | 无锡双象超纤材料股份有限公司 | Preparation method for environment-friendly type flame-retardant microfiber leather |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322877A (en) * | 2000-05-10 | 2001-11-21 | 中国人民解放军总后勤部军需装备研究所 | Jungang leather as one superfine synthetic leather and its making process |
| CN1800452A (en) * | 2004-12-30 | 2006-07-12 | 上海市合成纤维研究所 | Figured sea-island staple fiber production process |
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- 2008-12-08 CN CN2008102441179A patent/CN101446045B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322877A (en) * | 2000-05-10 | 2001-11-21 | 中国人民解放军总后勤部军需装备研究所 | Jungang leather as one superfine synthetic leather and its making process |
| CN1800452A (en) * | 2004-12-30 | 2006-07-12 | 上海市合成纤维研究所 | Figured sea-island staple fiber production process |
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