CN1536164A - Up-pulling discolored ultrafine fibre artificial deather and its production method - Google Patents
Up-pulling discolored ultrafine fibre artificial deather and its production method Download PDFInfo
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- CN1536164A CN1536164A CNA031215130A CN03121513A CN1536164A CN 1536164 A CN1536164 A CN 1536164A CN A031215130 A CNA031215130 A CN A031215130A CN 03121513 A CN03121513 A CN 03121513A CN 1536164 A CN1536164 A CN 1536164A
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- superfine fibre
- artificial leather
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Abstract
The present invention relates to an up-pulling discolored superfine fibre artificial leather. It includes a base material, a polyurethane (PU) layer set on said base material and a wax layer placed on the polyurethane layer. Said invention also provides its production method. After said leather is made into product, if the crease or shear mark is produced on tis surface, the location of crease or shear mark can be rubbed for tens seconds, it can be restored to iriginal form. Besides, said invented up-pulling discolored leather has natural luster and bright color.
Description
Technical field
The invention relates to a kind of superfine fibre artificial leather and its manufacture method, be particularly to draw on a kind of superfine fibre artificial leather and its manufacture method of variable color.
Background technology
In the product of leather, have a kind of when being subjected to pullling its surface can change color on draw variable color (Pull-up) leather.According to technique known, utilize following step manufacturing to be somebody's turn to do and draw color-changing leather.At first, general fiber Nonwovens or the base material of weaving cotton cloth contained be dipped in polyurethane (Polyurethane the is called for short PU) coating, again to the base material after the impregnation solidify, steps such as washing and oven dry, obtain synthetic leather semi-finished product by this.In addition, have coating one deck comprises PU resin, wax, colorant on the release liners of lines allochroic paint with after forming a surface layer one, coating one deck is followed the sticker of usefulness on this surface layer.Utilize this sticker of following usefulness that this surface layer is adhered on these semi-finished product at last.Tear off after the release liners, just obtain synthetic leather 100 as shown in Figure 1.This synthetic leather 100 comprise synthetic leather semi-finished product 102 and one deck can on draw the surface layer 104 of variable color to be located on these synthetic leather semi-finished product 102.
On to draw the advantage of color-changing leather be just to reveal the texture and the activity of corium by the color level of its surface imperfection.Yet, make resulting artificial leather according to aforementioned known method, though can be by pullling colorific stereovision, in a single day draw after the variable color on the process on its surface, just is difficult to revert back to original color.In addition, on known, draw the leather of variable color in a single day to make product, the vestige (for example fold or scratch) of be difficult for replying very easily because of produced by the external force effect, and these vestiges often need heat more than several minutes with hot blast and just might restore to the original state.Aforesaid synthetic leather also has another shortcoming, promptly be its surperficial color stiff not as corium surface glossy and natural, bright-coloured.
Summary of the invention
The purpose of this invention is to provide a kind of can reply easily original appearance on draw variable color superfine fibre artificial leather.
Another object of the present invention provide a kind of have corium gloss and natural color on draw variable color superfine fibre artificial leather.
In order to reach above-mentioned and other purpose, the invention provides and draw variable color superfine fibre artificial leather on a kind of, it comprises the superfine fibre base material, polyurethane (PU) layer is located on this base material and the wax layer is located on this layer of polyurethane.The thickness of this base material is preferably in the scope of 0.1mm to 3mm.
This wax layer is to be formed by paraffin class or the finish of naphthenic, ethene synthetic wax, solid wax or atoleine.Drawing variable color superfine fibre artificial leather can comprise a surface resin layer in addition on provided by the present invention is located on this wax layer.This surface resin layer is to be formed by a resin combination, and this resin combination comprises lactic casein (casein), polyurethane resin and/or acryl resin.Preferably, this lactic casein, this polyurethane resin and the percentage by weight of this acryl resin in this resin combination are respectively 1-15%, 10-30% and 0-10%.
The present invention also provides the manufacture method of drawing color-changing leather on a kind of, and its key step is as follows.At first, coating one deck is coated with the polyurethane constituent of usefulness on this superfine fibre substrate surface, and the base material after this coating is solidified, washes and dries, and forms the semi-finished product that this has layer of polyurethane.Again in layer of polyurethane surface coated one deck wax, and with high temperature this wax layer is plated.Afterwards, can be coated with one deck resin combination again on this wax layer, and this surface resin layer be plated with high temperature.Also can carry out the embossing step and make its this surface have natural lines, again in layer of polyurethane surface coated one deck wax this layer of polyurethane surface.
In the application step of wax layer, can use the mode of spraying, printing coating or contrary roller coating that wax is coated on this layer of polyurethane.
Preferably, under 100% stress test, be applicable to that lactic casein, polyurethane resin and acryl resin that the resin combination of this method comprises are respectively to be 80-150Kg/cm
2, 60-130Kg/cm
2And 230-270Kg/cm
2
According to drawing color-changing leather on of the present invention after making product,, but can be restored to the original state in tens of seconds as long as rub at the position of these fold or scratch even because of being subjected to the external force effect to produce fold or scratch because of carelessness.In addition, according to drawing color-changing leather to have natural gloss and chromatic colour on of the present invention.
Description of drawings
In order to allow above and other objects of the present invention, feature and the advantage can be more obvious, preferred embodiment of the present invention cited below particularly, and conjunction with figs. is described in detail below.
Fig. 1 one draws variable color synthetic leather cutaway view on known; And
Fig. 2 draws variable color superfine fibre artificial leather cutaway view on according to an embodiment of the invention.
" figure number explanation "
100, synthetic leather
102, synthetic leather semi-finished product 104, surface layer
200, superfine fibre artificial leather
202, superfine fibre base material 204, the cruel layer of poly-ammonia
206, wax layer 208, surface resin layer
The specific embodiment
Below will cooperate Fig. 2 to illustrate and draw variable color superfine fibre artificial leather on of the present invention.Draw variable color artificial leather 200 to comprise a superfine fibre base material 202, a layer of polyurethane 204, a wax layer 206 and a surface resin layer 208 on being somebody's turn to do.
This base material 202 be preferably into by superfine fibre (fibre fineness about 0.5 red Buddhist nun to about 0.0001 red Buddhist nun) base cloth after the impregnation polyurethane coating, again with solidify, step process such as washing, oven dry and decrement and the artificial leather base material.This base cloth also can be earlier after step process such as decrement again through the impregnation polyurethane coating, again with solidify, step process such as washing, oven dry and the artificial leather base material.The thickness of this base material is preferably at about 0.1mm to the scope of about 3mm.
With reference to Fig. 1, draw variable color synthetic leather 100 on base material 102, only to have the surface layer 104 that one deck is mixed with polyurethane resin and variable color material on known, not only color is distinct inadequately, the surface is also lackluster, and in case through on draw variable color or be subjected to the external force effect because of carelessness and after producing fold or scratch, just be difficult to reinstatement.With reference to Fig. 2, and draw variable color superfine fibre artificial leather 200 having one deck to provide outside the layer of polyurethane 204 of leather texture and color on the base material 202 on of the present invention, also have one deck to help to produce the wax layer 206 that draws color changeable effect, also can add one deck and make this artificial leather have the surface resin layer 208 of class corium reflecting feel.Have this structure on draw color-changing leather, not only have natural gloss and chromatic colour, and because of on draw the place of variable color also can reply original color via friction easily.In addition, draw color-changing leather after making product,, but can be restored to the original state tens of seconds as long as rub at the position of these fold or scratch even because of being subjected to the external force effect to produce fold or scratch because of carelessness according to according to the present invention go up to send out.
According to embodiments of the invention, this wax layer 206 is to be formed by paraffin class or the finish of naphthenic, ethene synthetic wax, solid wax or atoleine.This surface resin layer 208 is to be formed by a resin combination.So-called in the present invention resin combination is to comprise cheese rope (casein), polyurethane resin and/or acryl resin.So-called in the present invention polyurethane resin and/or acryl resin are to be preferable with water-soluble type or water-dispersion type resin.The suitableeest ground, this lactic casein, this polyurethane resin and the percentage by weight of this acryl resin in this resin combination are respectively about 1-15%, about 10-30% and about 0-10%.
In addition, under 100% stress test, it is preferably 80kg/cm to be applicable to lactic casein that the resin combination of this method comprises
2, to 150kg/cm
2When lactic casein less than 80kg/cm
2The time, can make the surface brightness deficiency of this artificial leather; When lactic casein greater than 150kg/cm
2The time, can make the surface be full of cracks easily of this artificial leather.Under 100% stress test, be applicable to polyurethane resin of the present invention and acryl resin, it is preferable to be respectively about 60kg/cm
2To about 130kg/cm
2And about 230kg/cm
2To about 270kg/cm
2So-called 100% stress test is to comprise the following step.At first, material to be measured is coated on the release liners (coating thickness GAP=0.2mm) afterwards, it is moved in baking oven with 60 ℃ of bakings 30 minutes, with 120 ℃ of bakings 30 minutes, at room temperature left standstill then 24 hours again.Then, the wide 1cm of the long 10cm of intercepting measures the thickness of this test piece earlier as test piece after baking, this test piece is placed tensile testing machine (clamp distance 2cm up and down) to do test again.Test out the fracture strength of this test piece, fracture strength be multiply by the 100% extension rate (100%) that obtains this resin again divided by 2cm, and then with extension rate (100%) (unit is Kg) divided by (thickness of test piece multiply by 1cm), promptly obtain 100% stress test result.
It should be noted, on provided by the present invention, draw in the variable color artificial leather, although this surface resin layer 208 can make this artificial leather have class corium reflecting feel, yet the artificial leather that other structure is not constituted during this surface resin layer 208 draws variable color on having had and can reply the effect of primary colors via friction.Therefore draw on provided by the present invention in the variable color artificial leather, this surface resin layer 208 is nonessential structure.
The present invention also provides the manufacture method of drawing color-changing leather on a kind of, and its key step is as follows.At first, on this superfine fibre substrate surface, be coated with a layer thickness, and the base material after this coating is solidified, washes and dries, make formed layer of polyurethane have elasticity at the polyurethane constituent of about 0.1mm to the coating usefulness of about 0.5mm.
Also can handle, utilize the embossing step to make its this surface have natural lines (for example pore), present the texture that is similar to corium this layer of polyurethane surface.
Again in layer of polyurethane surface coated one layer thickness at about 1 μ m to the wax of about 10 μ m, and this wax layer is plated with about 220-320 temperature.Afterwards, preferably again coating thickness about 1 μ m to the resin combination of about 10 μ m on this wax layer, and this surface resin layer is plated with about 220-320 temperature, obtain drawing on one the artificial leather of variable color by this.
In addition, in the application step of wax, can use the mode of spraying, printing coating or contrary roller coating that wax is coated on this layer of polyurethane.
Following embodiment is in order to being described in more detail the present invention, and is not in order to limit the present invention.
Embodiment 1
(Nylon 6, and sea-island composite fiber BASF) is made a non-woven for nylon 6 to utilize island component.With impregnation with polyurethane coating (comprise part by weight be 40: 60 polyurethane constituent and dimethyl amide (DMF)) this non-woven of impregnation.With the non-woven after the impregnation, with 90 ℃ of washings, 140 ℃ of dryings.Remove with the sea component of decrement processing procedure again, make the non-woven of this processing form superfine fibre artificial leather base material this sea-island composite fiber.
With this artificial leather base material grind, after the dyeing, the percentage by weight of coating polyurethane is that 35% polyurethane has colorant constituent solution on this artificial leather base material.To the base material that was coated with solidify, processing procedures such as washing, oven dry form a layer of polyurethane whereby on this base material.
The first wheel embossing on this layer of polyurethane to be carved with the ox-hide lines then, is sprayed at the ethene synthetic wax of viscosity 5mpa.s under the normal temperature and forms the thick film of 3 μ m on this layer of polyurethane, utilizes 260 °F this cere plated.Again resin combination is sprayed on this wax layer and forms the thick film of 2.5 μ m, and after utilizing 280 °F this surface resin plated, can make one have natural lines, on draw color changeable effect and after friction, can reply the superfine fibre artificial leather of color.This resin combination is that to get part by weight respectively be that 100: 80: 20 lactic casein constituent, polyurethane resin constituent and the configuration of acryl constituent forms, wherein the lactic casein solid of this lactic casein constituent be 14%, the polyurethane resin solid of polyurethane resin constituent be 38% and the acryl resin solid of acryl resin constituent be 41%, and under 100% stress test, this lactic casein, polyurethane resin and acryl resin are respectively 100kg/cm
2, 50kg/cm
2And 250kg/cm
2
Embodiment 2
(Nylon 6, and sea-island composite fiber BASF) is made a non-woven for nylon 6 to utilize island component.With impregnation with polyurethane coating (comprise part by weight be 40: 60 polyurethane constituent and dimethyl amide (DMF)) this non-woven of impregnation.With the non-woven after the impregnation, with 90 ℃ of washings, 140 ℃ of dryings.Remove with the sea component of decrement processing procedure again, make the non-woven of this processing form superfine fibre artificial leather base material this sea-island composite fiber.
The percentage by weight of coating polyurethane is that 35% polyurethane has colorant constituent solution on this artificial leather base material.To the base material that was coated with solidify, processing procedures such as washing, oven dry form a layer of polyurethane by this on this base material.After this artificial leather base material dyeed 40 minutes under 90 ℃ of constant temperature with ACID DYES (Lanacron Brown SGR) 5%owf, washed again and obtained painted dermatine semi-finished product.
The first wheel embossing on this layer of polyurethane to be carved with the ox-hide lines then, is sprayed at the ethene synthetic wax of viscosity 5mpa.s under the normal temperature and forms the thick film of 3 μ m on this layer of polyurethane.Utilize 260 °F with this cere pressing, lactic casein constituent, polyurethane resin constituent and the configuration of acryl constituent of resin combination being got part by weight respectively again and be 100: 80: 20 form, wherein the lactic casein solid of this lactic casein constituent be 14%, the polyurethane resin solid of polyurethane resin constituent be 38% and the acryl resin solid of acryl resin constituent be 41%, under 100% stress test, and this lactic casein, polyurethane resin and acryl resin are respectively 100kg/cm
2, 50kg/cm
2And 250kg/cm
2, be sprayed on this wax layer and form the thick film of 2.5 μ m, and after utilizing 280 °F this surface resin film plated, can make one have natural lines, on draw color changeable effect and after friction, can reply the superfine fibre artificial leather of color.
Embodiment 3
(Nylon 6, and sea-island composite fiber BASF) is made a fabric for nylon 6 to utilize island component.Remove with the sea component of decrement processing procedure again, make the fabric of this processing form the superfine fibre base material this sea-island composite fiber.With impregnation with polyurethane coating (comprise part by weight and be 40: 60 polyurethane constituent and dimethyl amide (DMF)) this superfine fibre base material of impregnation.Coating weight polyurethane percentage is that 35% polyurethane has colorant constituent solution on the superfine fibre base material after this impregnation.The superfine fibre base material is after solidifying, with 90 ℃ of washings, 140 ℃ of dryings afterwards.Form superfine fibre artificial leather base material.
With the wheel embossing on the layer of polyurethane of this superfine fibre artificial leather base material that is carved with the ox-hide lines, then, the ethene synthetic wax of viscosity 5mpa.s under the normal temperature is sprayed at forms the thick film of 3 μ m on this layer of polyurethane, utilize 260 °F this cere plated.Again resin combination is sprayed on this wax layer and forms the thick film of 2.5 μ m, and after utilizing 280 °F this surface resin plated, can make one have natural lines, on draw color changeable effect and after friction, can reply the superfine fibre artificial leather of color.
Comparative example 1
With polyurethane coating (comprise part by weight and be 40: 60 polyurethane constituent and dimethyl amide (DMF)) the general fiber Nonwovens of impregnation, the Nonwovens after the impregnation after solidifying, with 90 ℃ of washings, 140 ℃ of dryings, is formed the synthetic leather base material with impregnation.
Coating one fluid polyurethane allochroic paint on the release liners that is printed on lines, wherein this fluid polyurethane allochroic paint comprises polyurethane resin (the smart company of platform) and variable color material (company is sent out at the celebrating peak).Form a surface layer with 120 ℃ of these coating of oven dry, the polyurethane coating of coating two-liquid type sticks this synthetic leather base material as following layer with this surface layer on this surface layer again.Treat following layer sclerosis, with release liners tear off obtain one have lines can on draw the synthetic leather of variable color.
Comparative example 2
With polyurethane coating (comprise part by weight and be 40: 60 polyurethane constituent and dimethyl amide (DMF)) impregnation fabric, the fabric after the impregnation after solidifying, with 90 ℃ of washings, 140 ℃ of dryings, is formed the synthetic leather base material with impregnation.
Coating one photochromic polyurethane coating on this synthetic leather base material, wherein this photochromic polyurethane coating comprises polyurethane resin (the smart company of platform) and variable color material (company is sent out at the celebrating peak).Again this coating is scalded light and form one can on draw the synthetic leather of variable color.
The superfine fibre artificial leather of the embodiment of the invention 1 and embodiment 2 gained and the synthetic leather of comparative example 1 and comparative example 2 gained are compared result such as following table 1.
Table 1
| The corium reflecting feel | Variable color is felt naturally | The variable color recovery | Colour brightness | |
| Embodiment 1 | ????○ | ????○ | ????○ | ????○ |
| Embodiment 2 | ????○ | ????○ | ????○ | ????○ |
| Embodiment 3 | ????○ | ????○ | ????○ | ????○ |
| Comparative example 1 | ????× | ????× | ????× | ????× |
| Comparative example 2 | ????× | ????× | ????× | ????× |
As shown in Table 1, according to the embodiment of the invention 1,2 and 3 draw variable color superfine fibre artificial leather on prepared, its have according to comparative example 1 and 2 draw that the unexistent corium reflecting feel of variable color synthetic leather, variable color are felt naturally on prepared, variable color recovery, colour brightness.
Though the present invention is with reference to the details of invention preferred embodiment and be disclosed in the present patent application book, be understandable that this announcement is the mode non-limiting with illustration, any people who has the knack of this skill, without departing from the spirit and scope of the present invention, the modification of being done is indicated.Therefore protection scope of the present invention is as the criterion when the scope that look in claims to be defined.
Claims (26)
1, draw variable color superfine fibre artificial leather on a kind of, it is characterized in that this artificial leather comprises:
The superfine fibre base material;
Layer of polyurethane is formed on the front of this base material; And
The wax layer is formed on this layer of polyurethane.
2, draw variable color superfine fibre artificial leather on as claimed in claim 1, wherein the thickness of this superfine fibre base material is 0.1mm to 3mm, and the fibre fineness of this superfine fibre is the red Buddhist nun of 0.5 red Buddhist nun to 0.0001.
3, draw variable color superfine fibre artificial leather on as claimed in claim 1, wherein this wax layer is to be formed by wax, and this wax is for selecting in the colony that is made up of paraffin class finish, naphthenic finish, ethene synthetic wax, solid wax and atoleine.
4, draw variable color superfine fibre artificial leather on as claimed in claim 1, this artificial leather comprises surface resin layer in addition and is formed on this wax layer.
5, draw variable color superfine fibre artificial leather on as claimed in claim 4, wherein this surface resin layer is to be formed by resin combination, and this resin combination comprises lactic casein and polyurethane resin.
6, draw variable color superfine fibre artificial leather on as claimed in claim 5, wherein the percentage by weight of this lactic casein in this resin combination is that 1-15% and the percentage by weight of this polyurethane resin in this resin combination are 10-30%.
7, draw variable color superfine fibre artificial leather on as claimed in claim 5, wherein the lactic casein in this resin combination is 80kg/cm under 100% stress test
2To 150kg/cm
2
8, draw variable color superfine fibre artificial leather on as claimed in claim 5, wherein the polyurethane resin in this resin combination is 60kg/cm under 100% stress test
2To 130kg/cm
2
9, draw variable color superfine fibre artificial leather on as claimed in claim 5, wherein this resin combination comprises acryl resin in addition.
10, draw variable color superfine fibre artificial leather on as claimed in claim 9, wherein the percentage by weight of this lactic casein in this resin combination is 1-15%; The percentage by weight of this polyurethane resin in this resin combination is 10-30%; And the percentage by weight of this acryl resin in this resin combination is 1-10%.
11, draw variable color superfine fibre artificial leather on as claimed in claim 9, wherein the acryl resin in this resin combination is 230kg/cm under 100% stress test
2To 270kg/cm
2
The manufacture method of drawing variable color superfine fibre artificial leather on 12, a kind of is characterized in that the method includes the steps of:
The polyurethane coating of coating one deck coating usefulness on the superfine fibre base material is to form layer of polyurethane; And
Coating one deck wax on this layer of polyurethane is to form the wax layer.
The manufacture method of drawing variable color superfine fibre artificial leather on 13, as claimed in claim 12, wherein the coating thickness of the polyurethane coating of this coating usefulness is 0.1mm to 0.5mm, and the coating thickness of this wax is 1 μ m to 10 μ m.
The manufacture method of drawing variable color superfine fibre artificial leather on 14, as claimed in claim 12, wherein the thickness of this superfine fibre base material is 0.1mm to 3mm, the fibre fineness of this superfine fibre is the red Buddhist nun of 0.5 red Buddhist nun to 0.0001.
The manufacture method of drawing variable color superfine fibre artificial leather on 15, as claimed in claim 12, wherein this method is included in after this layer of polyurethane of formation in addition and before coating wax, the embossing step is carried out on this layer of polyurethane surface make its this surface have natural lines.
The manufacture method of drawing variable color superfine fibre artificial leather on 16, as claimed in claim 12 wherein is to utilize the mode of spraying, printing coating or contrary roller coating that wax is coated on this layer of polyurethane in the step that forms the wax layer.
The manufacture method of drawing variable color superfine fibre artificial leather on 17, as claimed in claim 12, wherein this wax is for selecting in the colony that is made up of paraffin class finish, naphthenic finish, ethene synthetic wax, solid wax and atoleine.
The manufacture method of drawing variable color superfine fibre artificial leather on 18, as claimed in claim 12, wherein this method is contained in coating one deck resin combination on this wax layer in addition, to form surface resin layer.
The manufacture method of drawing variable color superfine fibre artificial leather on 19, as claimed in claim 18, wherein the coating thickness of this surface resin constituent is 1 μ m to 10 μ m.
The manufacture method of drawing variable color superfine fibre artificial leather on 20, as claimed in claim 18, wherein this surface resin constituent comprises lactic casein and polyurethane resin.
The manufacture method of drawing variable color superfine fibre artificial leather on 21, as claimed in claim 20, wherein the percentage by weight of this lactic casein in this resin combination is that 1-15% and the percentage by weight of this polyurethane resin in this resin combination are 10-30%.
The manufacture method of drawing variable color superfine fibre artificial leather on 22, as claimed in claim 20, wherein the lactic casein in this resin combination is 80kg/cm under 100% stress test
2To 150kg/cm
2
The manufacture method of drawing variable color superfine fibre artificial leather on 23, as claimed in claim 20, wherein the polyurethane resin in this resin combination is 60kg/cm under 100% stress test
2To 130kg/cm
2
The manufacture method of drawing variable color superfine fibre artificial leather on 24, as claimed in claim 20, wherein this resin combination comprises acryl resin in addition.
The manufacture method of drawing variable color superfine fibre artificial leather on 25, as claimed in claim 24, wherein the percentage by weight of this lactic casein in this resin combination is 1-15%; The percentage by weight of this polyurethane resin in this resin combination is 10-30%; And the percentage by weight of this acryl resin in this resin combination is 1-10%.
The manufacture method of drawing variable color superfine fibre artificial leather on 26, as claimed in claim 24, wherein the acryl resin in this resin combination is 230kg/cm under 100% stress test
2To 270kg/cm
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031215130A CN1536164A (en) | 2003-04-03 | 2003-04-03 | Up-pulling discolored ultrafine fibre artificial deather and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031215130A CN1536164A (en) | 2003-04-03 | 2003-04-03 | Up-pulling discolored ultrafine fibre artificial deather and its production method |
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|---|---|
| CN1536164A true CN1536164A (en) | 2004-10-13 |
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ID=34320850
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|---|---|---|---|
| CNA031215130A Pending CN1536164A (en) | 2003-04-03 | 2003-04-03 | Up-pulling discolored ultrafine fibre artificial deather and its production method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101184888B (en) * | 2005-06-21 | 2010-10-13 | 可乐丽股份有限公司 | Grain leather-like sheet having excellent scratch resistance and abrasion resistance |
| CN102101101A (en) * | 2009-12-18 | 2011-06-22 | 上海华峰超纤材料股份有限公司 | Highlight cracked superfine fiber leather and preparation method thereof |
-
2003
- 2003-04-03 CN CNA031215130A patent/CN1536164A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101184888B (en) * | 2005-06-21 | 2010-10-13 | 可乐丽股份有限公司 | Grain leather-like sheet having excellent scratch resistance and abrasion resistance |
| CN102101101A (en) * | 2009-12-18 | 2011-06-22 | 上海华峰超纤材料股份有限公司 | Highlight cracked superfine fiber leather and preparation method thereof |
| CN102101101B (en) * | 2009-12-18 | 2013-04-03 | 上海华峰超纤材料股份有限公司 | Highlight cracked superfine fiber leather and preparation method thereof |
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