CN109137539A - A kind of artificial leather and preparation method thereof - Google Patents
A kind of artificial leather and preparation method thereof Download PDFInfo
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- CN109137539A CN109137539A CN201811223323.1A CN201811223323A CN109137539A CN 109137539 A CN109137539 A CN 109137539A CN 201811223323 A CN201811223323 A CN 201811223323A CN 109137539 A CN109137539 A CN 109137539A
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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
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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
- D06N3/0011—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
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/10—Conjugate fibres, e.g. core-sheath, side-by-side
-
- 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
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0807—Coloured
- D06N2209/083—Multi-coloured
-
- 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
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
-
- 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
- D06N2209/1628—Dimensional stability
-
- 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
- D06N2211/10—Clothing
- D06N2211/106—Footwear
-
- 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 a kind of artificial leathers and preparation method thereof, it includes macromolecular elastomer matrix, is set to the intracorporal superfine fibre of the macromolecular elastomer base, is formed in the macromolecular elastomer matrix surface and the tapetum being made of the superfine fibre and the blocky resin being formed on tapetum, 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, and core component is the mixture selected from one of polyester, polyamide and polyolefin or a variety of compositions.Artificial leather has the characteristics such as bright in luster, mechanical strength is high, light-weight, dimensionally stable, good color fastness, good mechanical performance in this way, can be used in upper leather, automotive interior material, furniture leather etc..
Description
Technical field
The invention belongs to artificial leather fields, and in particular to a kind of high intensity artificial leather and preparation method thereof.
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, limit the extension of its purposes: superfiber leather made of ordinary polyester has
The defects of dyeing is difficult, color is single, this will restrict its application on high-grade goods, materials and equipments significantly.Chinese patent
(CN201711068324.9) superfine fibre made of cation-modified polyester is disclosed in solve dyeability deficiency
The problem of.But it is prepared using the cation-modified polyester fiber and needs to carry out de- sea processing work in artificial leather by lye
Sequence will cause being partly dissolved for the cation-modified polyester fiber, directly result in the intensity decline of fiber, in some high-grade goods, materials and equipments
Application above will receive limitation.In addition to this, in some high-end products using upper, also have to the villus artificial leather with bright face
Urgent demand.
Summary of the invention
A kind of artificial leather 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 artificial leather, it includes high score
Elastic body matrix is set to the intracorporal superfine fibre of the macromolecular elastomer base, is formed in the macromolecular elastomer base
Body surface face and the tapetum being made of the superfine fibre and the blocky resin being formed on the tapetum, the ultra-fine fibre
Dimension is the island component of figured sea-island staple fiber, and the superfine fibre is core-skin composite fiber, and skin ingredient is polyester,
Core component is the mixture selected from one of polyester, polyamide and polyolefin or a variety of compositions.
Optimally, the diameter of the superfine fibre is 1.0 μm~10.0 μm.
Optimally, the skin ingredient of the superfine fibre is cationic modified polyester.
Optimally, the material of the macromolecular elastomer matrix is polyurethane.
Optimally, the blocky resin is to combine selected from one or both of polyethylene and polycarbonate, and distribution contains
Amount is 5~100g/m2。
Another object of the present invention is to provide a kind of preparation method of above-mentioned artificial leather, 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) figured sea-island staple fiber is combed into lapping, then processes to form non-woven fabrics through needing machine obvolvent；
(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: artificial leather of the present invention, setting has skin in macromolecular elastomer matrix
Ingredient of the core composite fibre as superfine fibre, skin ingredient are polyester, and core component is in polyester, polyamide and polyolefin
The mixture of one or more compositions, such artificial leather have it is bright in luster, mechanical strength is high, light-weight, dimensionally stable,
The characteristics such as good color fastness, good mechanical performance can be used in upper leather, automotive interior material, furniture leather etc..
Specific embodiment
Artificial leather of the present invention, it includes macromolecular elastomer matrix, to be set to the macromolecular elastomer base intracorporal
It superfine fibre, the tapetum for being formed in the macromolecular elastomer matrix surface and being made of the superfine fibre and is formed in
Blocky resin on the tapetum, the superfine fibre are the island component of figured sea-island staple fiber, the ultra-fine fibre
Dimension is core-skin composite fiber, and skin ingredient is polyester, and core component is selected from one of polyester, polyamide and polyolefin or more
The mixture of kind composition.Such artificial leather is with bright in luster, mechanical strength is high, light-weight, dimensionally stable, color fastness
The characteristics such as good, good mechanical performance can be used in upper leather, automotive interior material, furniture leather etc..The diameter of above-mentioned superfine fibre
Usually 1.0 μm~10.0 μm, more preferably 1.0 μm~6.0 μm；When lower than 1.0 μm, core-skin composite fiber preparation is difficult；It is high
When 10.0 μm, manufactured leather villus is poor compared with thick, flexibility, feel.Blocky resin (concave plane shape) is selected from poly- second
The combination of one or both of alkene and polycarbonate, distribution content are 5~100g/m2, it is lower than 5g/m2When, by villus layer surface
On blocky the come band of plane resin bright face it is unobvious, be higher than 100g/m2When, due to the blocky plane tree in villus layer surface
Rouge content is excessive, and feel is poor.The skin ingredient of above-mentioned superfine fibre is preferably cationic modified polyester, for selected from cation-modified
The routine such as poly terephthalic acid dimethyl ester.Above-mentioned core component is usually polyester, in polyamide-based and polyolefin polymers
One kind, preferably polyester, as poly terephthalic acid dimethyl ester (PET) is conventional.The material of macromolecular elastomer matrix is usual
For polyurethane.
The preparation method of above-mentioned artificial leather, it is the following steps are included: (a) prepares figured type by three component spinning equipments
Island composite short fiber；The figured sea-island staple fiber include sea component, the first island component and the second island component, first
Island component and the second island component form skin-core structure, and the first island component is skin ingredient, the second island component is core component, and marine origin is divided into
Dissolution type polymer；(b) figured sea-island staple fiber is combed into lapping, then processes to form nonwoven through needing machine obvolvent
Cloth；(c) carry out that macromolecular elastomer pads, de- extra large processing, sanding, dyeing, arrangement and dry type make face to the non-woven fabrics.
By the way that figured sea-island staple fiber is processed to form non-woven fabrics through needing machine obvolvent, and subsequent carry out macromolecular elastomer
It pads, using the sea component of base extraction removing composite short fiber, enables to artificial leather cortex sense obtained strong, resistance in this way
Mill property good, dimensionally stable, good color fastness, good mechanical performance can be used 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 grammes per square metre of the non-woven fabrics is 50~350g/m2。
Above-mentioned dry type makes face method particularly includes: mixes having been coated with polyethylene with polycarbonate (polyethylene: poly- carbonic acid=50:50)
Binder (binder is commercially available polyurethanes, such as PU-7510 model) is sprayed in the release paper of resin, is then being formed
Artificial skin's base fabric tapetum on carry out fitting processing, be heating and curing.
The preferred embodiment of the invention will be described in detail below:
Embodiment 1
The present embodiment provides a kind of artificial leathers, it includes macromolecular elastomer matrix (polyurethane), is arranged in macromolecule
(diameter is about 5 μm to superfine fibre in elastomer matrix；It is core-skin composite fiber, and skin ingredient is cation-modified PET, core
Ingredient is PET) and the tapetum that is formed in macromolecular elastomer matrix surface and is made of superfine fibre；Superfine fibre is fixed
The island component of island island composite short fiber；The preparation of aforesaid cations modified PET refers to following steps: the reaction to rectifying column
Ethylene glycol and dimethyl terephthalate (DMT) (the two molar ratio is 2:1) are added in slot, four hydration cobalt acetate of addition is as transesterification
Catalyst, the four hydration cobalt acetates in 140 DEG C of progress ester exchange reactions, the oligomer made containing 500ppm；It then will be anti-
It answers the temperature in slot to be promoted to 250 DEG C, the continuous rectifying of the methanol of generation is gone out, with the progress of transesterification, obtain to benzene two
Formic acid binaryglycol ester is until ester exchange reaction rate is 98%；250 DEG C by terephthalic acid (TPA) and ethylene glycol rubbing with 1:1.14
You carry out esterification than being added in the reaction kettle equipped with bottom material diglycol terephthalate (having rectifying column), to be esterified
Reactivity reaches 97% (output by calculating by-product water obtains), by aforementioned diglycol terephthalate obtained
Oligomer, which is transferred in the reaction kettle, carries out polycondensation reaction；The catalytic antimony trioxide is added after five minutes (in terms of antimony element quite
In the 300ppm of aforementioned polymer total amount), 1.5mol% 5-sodium sulfo isophthalate is added after five minutes (with terephthalic acid (TPA)
The molar amount of whole dicarboxylic acid components in diethylene glycol ester oligomer), 0.5wt% polyethylene glycol (molecular weight is added after five minutes
200, in terms of modified poly ester gross mass), start within 5 minutes after addition decompression, heating, entire reaction process 2~4 hours reaches
It spues after to required polymer viscosity 0.7dL/g, cooling and dicing, cation-modified PET is made.
The preparation method of above-mentioned artificial leather, 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) the staple card lapping for obtaining cutting forms reticular fibre thin layer, then through needing machine or spun-laced machine obvolvent
Processing forms 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 artificial leather, it with it is almost the same in embodiment 1, unlike: in step (b),
The non-woven fabrics grammes per square metre 150g/m of acquisition2。
Embodiment 3
The present embodiment provides a kind of artificial leather, it with it is almost the same in embodiment 1, unlike: in step (b),
The non-woven fabrics grammes per square metre 200g/m of acquisition2。
Embodiment 4
The present embodiment provides a kind of artificial leather, it with it is almost the same in embodiment 1, unlike: in step (b),
The non-woven fabrics grammes per square metre 50g/m of acquisition2。
Embodiment 5
The present embodiment provides a kind of artificial leather, it with it is almost the same in embodiment 1, unlike: it is obtained to determine island
16 island type island composite short fiber island Shuo Wei.
Embodiment 6
The present embodiment provides a kind of artificial leather, it with it is almost the same in embodiment 1, unlike: it is obtained to determine island
37 island type island composite short fiber island Shuo Wei.
Embodiment 7
The present embodiment provides a kind of artificial leather, it with it is almost the same in embodiment 1, unlike: core component is poly-
Amide (PA6).
Embodiment 8
The present embodiment provides a kind of artificial leather, it with it is almost the same in embodiment 1, unlike: core component is poly-
Alkene (PE).
Embodiment 9
The present embodiment provides a kind of artificial leather, it with it is almost the same in embodiment 1, unlike: the first island component
The weight percent of (cation-modified PET), the second island component (PET) and sea component (COPET) are 30:40:30.
Embodiment 10
The present embodiment provides a kind of artificial leather, it with it is almost the same in embodiment 1, unlike: the first island component
The weight percent of (cation-modified PET), the second island component (PET) and sea component (COPET) are 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。
It carries out artificial leather obtained in embodiment 1-10, comparative example 1-2 to form test, the results are shown in table 1.
The raw material proportioning and performance test data table of artificial leather in 1 embodiment 1-10 of table, comparative example 1-2
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: according to the regulation of GB/T24218, the grammes per square metre of rtificial leather is measured；The test method of each performance is as follows in table 1:
(1) 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.
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 (9)
1. a kind of artificial leather, it includes macromolecular elastomer matrix, to be set to the macromolecular elastomer base intracorporal ultra-fine
It fiber, the tapetum for being formed in the macromolecular elastomer matrix surface and being made of the superfine fibre and is formed in described
Blocky resin on tapetum, the superfine fibre are the island component of figured sea-island staple fiber, it is characterised in that: described
Superfine fibre is core-skin composite fiber, and skin ingredient is polyester, and core component is one in polyester, polyamide and polyolefin
The mixture of kind or a variety of compositions.
2. artificial leather according to claim 1, it is characterised in that: the diameter of the superfine fibre is 1.0 μm ~ 10.0 μ
m。
3. artificial leather according to claim 1, it is characterised in that: the bulk resin is selected from polyethylene and poly- carbonic acid
The combination of one or both of ester, distribution content are 5 ~ 100g/m2。
4. artificial leather according to claim 1, it is characterised in that: the skin ingredient of the superfine fibre changes for cationic
Property polyester.
5. artificial leather according to claim 1, it is characterised in that: the material of the macromolecular elastomer matrix is poly- ammonia
Ester.
6. the preparation method of any artificial leather in claim 1 to 5, which is characterized 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) figured sea-island staple fiber is combed into lapping, then processes to form non-woven fabrics through needing machine obvolvent；
(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.
7. the preparation method of artificial leather according to claim 6, it is characterised in that: in step (a), the figured islands-in-sea
In composite short fiber the weight percent of the first island component, the second island component and sea component be respectively 30% ~ 45%, 30% ~ 45%,
10%~40%。
8. the preparation method of artificial leather according to claim 6, it is characterised in that: in step (b), gram of the non-woven fabrics
Weight is 50 ~ 350 g/m2。
9. the preparation method of artificial leather according to claim 6, it is characterised in that: in step (a), the marine origin is divided into alkali
Dissolubility polyester or polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223323.1A CN109137539A (en) | 2018-10-19 | 2018-10-19 | A kind of artificial leather and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (2)
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| CN110029439A (en) * | 2019-05-28 | 2019-07-19 | 上海捷英途新材料科技有限公司 | A kind of knitted fabric of skin-core structure |
| CN115042482A (en) * | 2022-08-17 | 2022-09-13 | 辛集市北美赛皮革有限公司 | Leather and polycarbonate sheet composite forming process method |
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| CN115042482B (en) * | 2022-08-17 | 2022-11-15 | 辛集市北美赛皮革有限公司 | Leather and polycarbonate sheet composite forming process method |
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Application publication date: 20190104 |