CN109112844A - A kind of bright face artificial leather of high abrasion high Chromaticity and preparation method thereof - Google Patents
A kind of bright face artificial leather of high abrasion high Chromaticity and preparation method thereof Download PDFInfo
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- CN109112844A CN109112844A CN201811222342.2A CN201811222342A CN109112844A CN 109112844 A CN109112844 A CN 109112844A CN 201811222342 A CN201811222342 A CN 201811222342A CN 109112844 A CN109112844 A CN 109112844A
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- high abrasion
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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
- D06N3/0002—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
- 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
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- 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
- 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The present invention relates to bright face artificial leathers of a kind of high abrasion high Chromaticity and preparation method thereof, it includes macromolecular elastomer matrix, it is set to the intracorporal superfine fibre of macromolecular elastomer base, be formed in the macromolecular elastomer matrix surface and the tapetum being made of the superfine fibre and the bulk being formed in the tapetum melt a little and the tapetum on blocky resin, the superfine fibre is the island component of figured sea-island staple fiber, the superfine fibre is core-skin composite fiber, its skin ingredient is polyester, its core component is selected from polyester, the mixture of one of polyamide and polyolefin or a variety of compositions.Such artificial leather not only has the characteristics such as bright in luster, mechanical strength is high, light-weight, dimensionally stable, good color fastness, good mechanical performance, the also characteristic with high abrasion, high Chromaticity.
Description
Technical field
The invention belongs to artificial leather fields, and in particular to a kind of bright face artificial leather of high abrasion high Chromaticity and its preparation side
Method.
Background technique
Currently, the superfine fibre produced both at home and abroad is manually removed from office, it is using nylon as superfiber leather made of island component mostly.
Nylon specific natural defect in light resistance, limits the extension of its purposes.In Chinese patent (CN201711068324.9)
The superfine fibre made of cation-modified polyester is disclosed to solve the problems, such as dyeability deficiency.But use the sun
Prepared by ion modification polyester fiber needs to carry out de- extra large manufacturing procedure by lye in artificial leather, it is cation-modified to will cause this
Polyester fiber is partly dissolved, and directly results in the intensity decline of fiber, above will receive limitation in the application of some high-grade goods, materials and equipments.For
It improves intensity, dimensional stability and the rub resistance of leather, the usually content of raising polyurethane PU and realizes.But this
The hardness that sample will lead to leather improves, and flexibility decline, the application in some high-grade materials is restricted；On the other hand,
The manufacturing process of polyurethane is complicated, expensive and will use organic solvent in padding process, pollutes the environment
A series of problems.When polyurethane content reduces, the physical property decline of leather.When especially below 5wt% content, leather it is wear-resisting
Property is remarkably decreased, and hardly results in the wearability leather of practical use.In this regard, being disclosed in Japan Patent (JP2005226213A)
The physical property of leather is improved by increasing the fiber complexing in non-woven fabrics, reduces the use content of polyurethane.But this method
It will cause leather surface out-of-flatness, there is convex and concave state to be formed, it is certain using having on the leather commodity that high quality surface requires
Limitation.In addition to this, in some high-end products using upper, also there is urgent demand to the villus artificial leather with bright face.
Summary of the invention
A kind of bright face artificial leather of high abrasion high Chromaticity is provided the invention aims to overcome the deficiencies in the prior art.
In order to solve the above technical problems, a kind of technical solution that the present invention takes is: a kind of bright dough figurine of high abrasion high Chromaticity
Work leather, it includes macromolecular elastomer matrix, is set to the intracorporal superfine fibre of the macromolecular elastomer base, is formed in institute
It states macromolecular elastomer matrix surface and the tapetum being made of the superfine fibre, the bulk that is formed in the tapetum melts
Point and the blocky resin that is formed on the tapetum, the superfine fibre be figured sea-island staple fiber island at
Point, the superfine fibre is core-skin composite fiber, and skin ingredient is polyester, and core component is selected from polyester, polyamide and polyene
The mixture of one of hydrocarbon or a variety of compositions.
Optimally, the diameter of the superfine fibre is 1.0 μm~10.0 μm.
Optimally, it is 500~100000/mm that the bulk, which melts density a little,2。
Optimally, the blocky resin is or mixtures thereof polyethylene or polycarbonate, and the distribution of the bulk resin contains
Amount is 5~100g/m2。
Optimally, the skin ingredient of the superfine fibre is cationic modified polyester.
Optimally, the material of the macromolecular elastomer matrix is polyurethane.
Another object of the present invention is to provide a kind of preparation method of bright face artificial leather of above-mentioned high abrasion high Chromaticity, it
The following steps are included:
(a) figured sea-island staple fiber is prepared by three component spinning equipments；The compound short fibre of figured islands-in-sea
Dimension includes sea component, the first island component and the second island component, and the first island component and the second island component form skin-core structure, the first island
Ingredient is skin ingredient, the second island component is core component, and marine origin is divided into dissolution type polymer；
(b) lapping is combed after mixing the figured sea-island staple fiber with low-melting fiber, then is embraced through needing machine
It closes processing and forms compound nonwoven cloth；The fusing point of the low-melting fiber is 120 DEG C~230 DEG C, is polyester, modified poly ester, gathers
Propylene, nylon or polyethylene, the mass content in compound nonwoven cloth are 0.1%~1%；
(c) carry out that macromolecular elastomer pads, de- extra large processing, sanding, dyeing, arrangement and dry type make face to the non-woven fabrics
?.
Optimally, in step (a), the first island component, the second island component and sea in the figured sea-island staple fiber
The weight percent of ingredient is respectively 30%~45%, 30%~45%, 10%~40%.
Optimally, in step (b), the grammes per square metre of the non-woven fabrics is 50~350g/m2。
Optimally, in step (a), the marine origin is divided into alkali soluble polyester or polyolefin.
The invention has the beneficial effects that: the bright face artificial leather of high abrasion high Chromaticity of the present invention, by high score bullet
Property body matrix in setting there is core-skin composite fiber to melt point containing blocky in surface setting as the ingredient of superfine fibre
Tapetum, such artificial leather not only have that bright in luster, mechanical strength is high, light-weight, dimensionally stable, good color fastness, power
Learn the characteristics such as function admirable, the also characteristic with high abrasion, high Chromaticity.
Specific embodiment
The bright face artificial leather of high abrasion high Chromaticity of the present invention, it includes macromolecular elastomer matrix, is set to the high score
Elastic body base intracorporal superfine fibre is formed in the macromolecular elastomer matrix surface and is made of the superfine fibre
Tapetum, the bulk being formed in the tapetum melt a little and are formed in the blocky resin on the tapetum, described super
Fine fibre is the island component of figured sea-island staple fiber, and the superfine fibre is core-skin composite fiber, and skin ingredient is poly-
Ester, core component are the mixture selected from one of polyester, polyamide and polyolefin or a variety of compositions.Such artificial leather
Not only there are the characteristics such as bright in luster, mechanical strength is high, light-weight, dimensionally stable, good color fastness, good mechanical performance, also have
There is the characteristic of high abrasion, high Chromaticity.
The diameter of superfine fibre is 1.0 μm~10.0 μm in the above-mentioned bright face artificial leather of high abrasion high Chromaticity；Preferably 1.0
μm~6.0 μm；When lower than 1.0um, core-skin composite fiber preparation is difficult；When higher than 10.0um, manufactured leather villus is thicker, soft
It is soft, feel is poor.Bulk melts a little for equally distributed irregular block, and density is 500~100000/mm2, blocky
Melt point quantity it is too low when, the wearability of leather improves unobvious；When excessively high, the feel of leather is poor.The bulk resin is not
Rule, it is combined selected from one or both of polyethylene and polycarbonate, and its distribution content is 5~100g/m2, it is lower than
5g/m2When, by the blocky plane resin in villus layer surface it is unobvious come the bright face of band, be higher than 100g/m2When, due to villus
Blocky plane resin content in layer surface is excessive, and feel is poor.The skin ingredient of the superfine fibre is cationic modified polyester,
Such as cation-modified poly terephthalic acid dimethyl ester；Its core component is polyester, in polyamide-based or polyolefin polymers
One kind, such as poly terephthalic acid dimethyl ester (PET)；The material of the macromolecular elastomer matrix is polyurethane.
The preparation method of the above-mentioned bright face artificial leather of high abrasion high Chromaticity, it is the following steps are included: (a) is spun by three components
Silk equipment prepares figured sea-island staple fiber；The figured sea-island staple fiber includes sea component, the first island component
With the second island component, the first island component and the second island component form skin-core structure, and the first island component is skin ingredient, the second island component
For core component, marine origin is divided into dissolution type polymer；(b) after the figured sea-island staple fiber being mixed with low-melting fiber
Lapping is combed, then processes to form compound nonwoven cloth through needing machine obvolvent；The fusing point of the low-melting fiber is 120 DEG C~230 DEG C,
It is polyester, modified poly ester, polypropylene, nylon or polyethylene, and the mass content in compound nonwoven cloth is 0.1%~1%；
(c) carry out that macromolecular elastomer pads, de- extra large processing, sanding, dyeing, arrangement and dry type make face to the non-woven fabrics.This
Sample enables to that artificial leather cortex sense obtained is strong, wearability is good, dimensionally stable, good color fastness, good mechanical performance, can use
In upper leather, automotive interior material, furniture leather etc..
In step (a), figured sea-island staple fiber is to lead to the first island component, the second island component and sea component respectively
Cross three component composite spinning machines melting, into fabric of island-in-sea type filament spinning component, (the first island component, the second island component pass through respective respectively
After path is converged in the outlet of spinneret orifice and to form skin-core structure, then export and converge in spinneret with sea component) formation is sprayed, therefore
Its island phase (i.e. the first island component, the second island component) and marine facies (i.e. sea component) are continuous, uniformly point in the length direction of fiber
Cloth；Island number is fixed, generally on 8 islands or more.Sea component is usually alkali soluble polyester or the easy dissolution type polymer of polyolefins,
Preferably alkali soluble polyester (COPET).First island component, the second island component and marine origin in the figured sea-island staple fiber
The weight percent divided is respectively 30%~45%, 30%~45%, 10%~40%；When sea component content is lower than 10%, easily
Occur to connect between the island Dao Yu, that is, viscous island phenomenon occurs, does not prepare required composite short fiber；Sea component content is higher than
When 40%, it is difficult to will cause sea component dissolution, while also sea component usage amount can be made excessive, in rear road manufacturing procedure caused by
The polymer for dissolving out part is more, and environmental pollution is heavier.In step (b), the fusing point of low-melting fiber is usually 120 DEG C~
It 230 DEG C, for polyester (such as PET), modified poly ester (as Shaoxing happiness can weave production), polypropylene, nylon or polyethylene, is answering
Closing the mass content in non-woven fabrics is 0.1%~1%；When the additive amount of low-melting fiber is lower than 0.1wt%, low-melting fiber warp
Bounding point is less for melting of being formed in heating process, and is unfavorable for improving the wearability of leather；Low-melting fiber additive amount is higher than
When 1.0wt%, formation to melt bounding point larger, and be unevenly distributed and cause feel poor, be unfavorable for the application of product.
When the fusing point of low-melting fiber is lower than 120 DEG C, the heat resistance of artificial leather is poor；When higher than 230 DEG C, it is not easy to be formed and melts bonding
Point.The grammes per square metre of the non-woven fabrics is 50~350g/m2.Above-mentioned dry type makes face method particularly includes: have been coated with polyethylene with
Binder is sprayed in the release paper of polycarbonate (polyethylene: poly- carbonic acid=50:50) hybrid resin, and (binder is commercially available poly- ammonia
Esters, such as PU-7510 model), fitting processing is then carried out on the tapetum of the artificial skin's base fabric formed, heating is solid
Change.
The preferred embodiment of the invention will be described in detail below:
Embodiment 1
The present embodiment provides a kind of bright face artificial leathers of high abrasion high Chromaticity, it includes macromolecular elastomer matrix (poly- ammonia
Ester), setting in the intracorporal superfine fibre of macromolecular elastomer base, (diameter is about 5 μm；It is core-skin composite fiber, and skin ingredient is
Cation-modified PET, core component PET), the tapetum that is formed in macromolecular elastomer matrix surface and is made of superfine fibre
And the bulk being formed in tapetum melts point；Superfine fibre is the island component of figured sea-island staple fiber；Aforementioned male
The preparation of ion modification PET refers to following steps: ethylene glycol and dimethyl terephthalate (DMT) are added into the reactive tank of rectifying column
(the two molar ratio is 2:1), four hydration cobalt acetate of addition is as ester exchange catalyst, in 140 DEG C of progress ester exchange reactions, so that
To oligomer in containing 500ppm four hydration cobalt acetates；Then the temperature in reactive tank is promoted to 250 DEG C, by the first of generation
The continuous rectifying of alcohol is gone out, and with the progress of transesterification, obtains diglycol terephthalate until ester exchange reaction rate is
98%；Terephthalic acid (TPA) and ethylene glycol are added with the molar ratio of 1:1.14 at 250 DEG C and are furnished with bottom material terephthalic acid (TPA) diethyl two
Esterification is carried out in the reaction kettle (having rectifying column) of alcohol ester, reactivity to be esterified reaches 97% (by calculating by-product water
Output obtain), aforementioned diglycol terephthalate oligomer obtained is transferred in the reaction kettle and carries out polycondensation
Reaction；The catalytic antimony trioxide (300ppm of aforementioned polymer total amount is equivalent in terms of antimony element) is added after five minutes, 5 points
1.5mol% 5-sodium sulfo isophthalate is added after clock (with binary acid whole in diglycol terephthalate oligomer
The molar amount of ingredient), 0.5wt% polyethylene glycol (molecular weight 200, in terms of modified poly ester gross mass) is added after five minutes, addition
After start within 5 minutes decompression, heating, entire reaction process 2~4 hours, after polymer viscosity 0.7dL/g required for reaching
It spues, cooling and dicing, cation-modified PET is made.
The preparation method of the above-mentioned bright face artificial leather of high abrasion high Chromaticity, comprising the following steps:
(a) by three component spinning equipments by the first island component (cation-modified PET), the second island component (PET) and sea
The weight percent of ingredient (COPET) is that (spinning parameter: spinning body temperature is for 35%, 35%, 30% three component spinning of progress
290 DEG C, spinning speed 1200m/min, stretching ratio 3.0, the single hole discharge-amount of composite spinning machine are 1.20g/min, island
Number is 8 islands) figured sea-island staple fiber is obtained, it is the short of 51mm that figured sea-island staple fiber, which is then cut into length,
Fiber, wherein the first island component and the second island component form skin-core structure, the first island component is skin ingredient, the second island component is core
Ingredient；
(b) combing lapping is (compound after mixing the staple fiber that cutting obtains with low melting point polyester fiber (fusing point is 200 DEG C)
Staple fiber and the weight ratio of low-melting fiber are 99.9:0.1) combing lapping, reticular fibre thin layer is formed, then through needing machine or water
Thorn machine obvolvent processes to form non-woven fabrics (grammes per square metre 300g/m2)；
(c) by (concentration of polyurethane is about 30wt%) after the DMF solution of manufactured non-woven fabrics immersion polyurethane, through 115
~130 DEG C of dryness finalizations form Glove suede base fabric (weight ratio of non-woven fabrics and polyurethane is 85:15), then base fabric is immersed quality
De- sea processing is carried out in the NaOH or KOH solution of concentration 5~10%, and (diameter of the single fiber behind de- sea is 5.0 μm, in fiber
Empty rate is 30%), then to be immersed in deionized water again and carry out ultrasonic cleaning and be adjusted to pH to neutrality, under the conditions of 120 DEG C
Carry out thermal finalization processing；Base fabric after drying is subjected to the processing of pre-grinding skin using belt decorticating mill, reaches the epidermis of wanted fabric
Then velvet carries out dyeing process, to obtain required artificial leather base fabric；In painting polyethylene and polycarbonate, (resin a is
Polyethylene: poly- carbonic acid 50:50 in mass ratio mixing) hybrid resin release paper paper on spray binder (PU-7510 model), so
Carry out fitting processing on the tapetum of artificial leather base fabric afterwards, it is heated to solidify into (distribution content of hybrid resin is about
20g/m2, form concave plane bulk resin).
Embodiment 2
The present embodiment provides a kind of bright face artificial leather of high abrasion high Chromaticity, it and it is almost the same in embodiment 1, it is different
: in step (b), the non-woven fabrics grammes per square metre 150g/m of acquisition2。
Embodiment 3
The present embodiment provides a kind of bright face artificial leather of high abrasion high Chromaticity, it and it is almost the same in embodiment 1, it is different
: in step (b), the non-woven fabrics grammes per square metre 200g/m of acquisition2。
Embodiment 4
The present embodiment provides a kind of bright face artificial leather of high abrasion high Chromaticity, it and it is almost the same in embodiment 1, it is different
: in step (b), the non-woven fabrics grammes per square metre 50g/m of acquisition2。
Embodiment 5
The present embodiment provides a kind of bright face artificial leather of high abrasion high Chromaticity, it and it is almost the same in embodiment 1, it is different
: 16 island figured sea-island staple fiber island Shuo Wei obtained.
Embodiment 6
The present embodiment provides a kind of bright face artificial leather of high abrasion high Chromaticity, it and it is almost the same in embodiment 1, it is different
: 37 island figured sea-island staple fiber island Shuo Wei obtained.
Embodiment 7
The present embodiment provides a kind of bright face artificial leather of high abrasion high Chromaticity, it and it is almost the same in embodiment 1, it is different
: core component is polyamide (PA6).
Embodiment 8
The present embodiment provides a kind of bright face artificial leather of high abrasion high Chromaticity, it and it is almost the same in embodiment 1, it is different
: core component is polyolefin (PE).
Embodiment 9
The present embodiment provides a kind of bright face artificial leather of high abrasion high Chromaticity, it and it is almost the same in embodiment 1, it is different
: the weight percent of the first island component (cation-modified PET), the second island component (PET) and sea component (COPET) is
30:40:30。
Embodiment 10
The present embodiment provides a kind of bright face artificial leather of high abrasion high Chromaticity, it and it is almost the same in embodiment 1, it is different
: the weight percent of the first island component (cation-modified PET), the second island component (PET) and sea component (COPET) is
40:40:20。
Comparative example 1
This example provides a kind of artificial leather, it with it is almost the same in embodiment 1, unlike: it directly uses two groups
Divide the composite short fiber of composite spinning machine preparation, wherein island component is cation-modified PET, and marine origin is divided into COPET, non-woven fabrics
Grammes per square metre is 300g/m2。
Comparative example 2
This example provides a kind of artificial leather, it with it is almost the same in comparative example 1, unlike: it is poly- for using island component
The composite short fiber of amide (PA6) is processed into non-woven fabrics to carry out obvolvent, and the grammes per square metre of non-woven fabrics is 300g/m2。
Comparative example 3
This example provides a kind of artificial leather, it with it is almost the same in comparative example 1, unlike: be not added in step (b)
Low melting point polyester fiber.
The design parameter of sea-island staple fiber is shown in Table 1 in artificial leather obtained in embodiment 1-10, comparative example 1-3.
The raw material proportioning and performance test data table of artificial leather in 1 embodiment 1-10 of table, comparative example 1-3
Artificial leather obtained in embodiment 1-10, comparative example 1-2 is tested, the results are shown in table 2.
The performance test data table of artificial leather in 2 embodiment 1-10 of table, comparative example 1-3
The bright face resin types of ※:
Resin a: polyethylene: polycarbonate=50:50；
Note: (1) irregular block number
The artificial leather prepared is placed under digital fibrescope, observation sampling is carried out under 200 times of enlargement ratio, is taken
Control gauge lattice are 100umx100um size 10, are determined and take its average to the irregular block number in its sample,
The numerical value is the several/mm of the artificial leather fiber surface imperfection block multiplied by 1002。
(2) dyeability (L value)
Non-woven fabrics will be obtained, in the dye of positive ion (C.I.Basic Blue66) 5%owf, acetic acid 0.5ml/L, sodium acetate
0.2g/L, bath raio 1:100 95 DEG C of hot bath in dye 60 points, using colorimeter carry out test L value, with following benchmark into
Row judgement,
Zero: 45 or less
×: 45 or more.
(3) abrasion resistance test:
According to the regulation of GB/T21196-2007 method, the abrasion performance of rtificial leather is measured, Rubbing number is set as 20000
It is secondary, it is divided into 5 grades on the basis of the weight reduction rates after rubbing and is determined.With weight reduction rates (%)={ (original cloth weight-
Weight after friction)/(original cloth weight) × 100 indicate, weight reduction rates be 4% or more when be evaluated as 3 grades hereinafter, 2% or more
And 4 grades are evaluated as when less than 4%, 5 grades are evaluated as when less than 2%.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of bright face artificial leather of high abrasion high Chromaticity, it includes macromolecular elastomer matrix, is set to the high score bullet
The villus that property body base intracorporal superfine fibre, is formed in the macromolecular elastomer matrix surface and is made of the superfine fibre
Layer, the bulk being formed in the tapetum melt a little and are formed in the blocky resin on the tapetum, the ultra-fine fibre
Dimension be figured sea-island staple fiber island component, it is characterised in that: the superfine fibre be core-skin composite fiber, skin at
It is divided into polyester, core component is the mixture selected from one of polyester, polyamide and polyolefin or a variety of compositions.
2. the bright face artificial leather of high abrasion high Chromaticity according to claim 1, it is characterised in that: the superfine fibre it is straight
Diameter is 1.0 μm ~ 10.0 μm.
3. the bright face artificial leather of high abrasion high Chromaticity according to claim 1, it is characterised in that: the bulk melts point
Density is 500 ~ 100000/mm2。
4. according to the bright face artificial leather of high abrasion high Chromaticity described in claim 1, it is characterised in that: the bulk resin is poly-
The distribution content of or mixtures thereof ethylene or polycarbonate, the bulk resin is 5 ~ 100g/m2。
5. the bright face artificial leather of high abrasion high Chromaticity according to claim 1, it is characterised in that: the skin of the superfine fibre
Ingredient is cationic modified polyester.
6. the bright face artificial leather of high abrasion high Chromaticity according to claim 1, it is characterised in that: the macromolecular elastomer
The material of matrix is polyurethane.
7. the preparation method of any bright face artificial leather of high abrasion high Chromaticity in claim 1 to 5, it is characterised in that: it
The following steps are included:
(a) figured sea-island staple fiber is prepared by three component spinning equipments；The figured sea-island staple fiber packet
Containing sea component, the first island component and the second island component, the first island component and the second island component form skin-core structure, the first island component
It is core component for skin ingredient, the second island component, marine origin is divided into dissolution type polymer；
(b) lapping is combed after mixing the figured sea-island staple fiber with low-melting fiber, then is added through needing machine obvolvent
Work forms compound nonwoven cloth；The fusing point of the low-melting fiber be 120 DEG C~230 DEG C, be polyester, modified poly ester, polypropylene,
Nylon or polyethylene, the mass content in compound nonwoven cloth are 0.1% ~ 1%；
(c) carry out that macromolecular elastomer pads, de- extra large processing, sanding, dyeing, arrangement and dry type make face i.e. to the non-woven fabrics
It can.
8. the preparation method of the bright face artificial leather of high abrasion high Chromaticity according to claim 6, it is characterised in that: step (a)
In, the weight percent of the first island component, the second island component and sea component is respectively in the figured sea-island staple fiber
30%~45%、30%~45%、10%~40%。
9. the preparation method of the bright face artificial leather of high abrasion high Chromaticity according to claim 6, it is characterised in that: step (b)
In, the grammes per square metre of the non-woven fabrics is 50 ~ 350 g/m2。
10. the preparation method of the bright face artificial leather of high abrasion high Chromaticity according to claim 6, it is characterised in that: step (a)
In, the marine origin is divided into alkali soluble polyester or polyolefin.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111501205A (en) * | 2020-04-15 | 2020-08-07 | 江苏尚科聚合新材料有限公司 | High-durability artificial leather polishing pad and preparation method thereof |
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