CN103485204B - A kind of interlayer decoration method for superfine fiber chemical leather dyeing - Google Patents
A kind of interlayer decoration method for superfine fiber chemical leather dyeing Download PDFInfo
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- CN103485204B CN103485204B CN201310340646.XA CN201310340646A CN103485204B CN 103485204 B CN103485204 B CN 103485204B CN 201310340646 A CN201310340646 A CN 201310340646A CN 103485204 B CN103485204 B CN 103485204B
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- 239000000835 fiber Substances 0.000 title claims abstract description 115
- 238000004043 dyeing Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000010985 leather Substances 0.000 title claims abstract description 38
- 239000000126 substance Substances 0.000 title claims abstract description 31
- 238000005034 decoration Methods 0.000 title claims abstract description 12
- 239000011229 interlayer Substances 0.000 title claims abstract description 12
- 239000004814 polyurethane Substances 0.000 claims abstract description 76
- 229920002635 polyurethane Polymers 0.000 claims abstract description 76
- 239000004744 fabric Substances 0.000 claims abstract description 75
- 239000002649 leather substitute Substances 0.000 claims abstract description 66
- 239000006210 lotion Substances 0.000 claims abstract description 47
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000980 acid dye Substances 0.000 claims abstract description 16
- 238000010792 warming Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002280 amphoteric surfactant Substances 0.000 claims abstract description 9
- 125000002091 cationic group Chemical group 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 15
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- FPVGTPBMTFTMRT-UHFFFAOYSA-L disodium;2-amino-5-[(4-sulfonatophenyl)diazenyl]benzenesulfonate Chemical compound [Na+].[Na+].C1=C(S([O-])(=O)=O)C(N)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 FPVGTPBMTFTMRT-UHFFFAOYSA-L 0.000 claims description 6
- 235000019233 fast yellow AB Nutrition 0.000 claims description 6
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 5
- 235000004279 alanine Nutrition 0.000 claims description 4
- -1 dodecyl alanine Chemical compound 0.000 claims description 4
- QCCKPZOPTXCJPL-UHFFFAOYSA-N dodecyl(dimethyl)azanium;hydroxide Chemical compound [OH-].CCCCCCCCCCCC[NH+](C)C QCCKPZOPTXCJPL-UHFFFAOYSA-N 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000000975 dye Substances 0.000 abstract description 38
- 239000006096 absorbing agent Substances 0.000 abstract description 6
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 4
- 238000004040 coloring Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000009941 weaving Methods 0.000 description 8
- 239000004595 color masterbatch Substances 0.000 description 7
- 238000010186 staining Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000834 fixative Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000012356 Product development Methods 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 241001515806 Stictis Species 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
For an interlayer decoration method for superfine fiber chemical leather dyeing, with weight parts, first superfine fiber polyurethane synthetic leather base fabric is added dyeing machine, then the water added and amphoteric surfactant, be warming up to 50 ~ 60 DEG C of process 10 ~ 20min; Then add weak acid dye A, then be warming up to 90 ~ 95 DEG C of dyeing 50 ~ 80min, the pH value acetic acid being impregnated with the body lotion A of superfine fiber polyurethane synthetic leather base fabric obtained is adjusted to 4.5 ~ 5.5, continues dyeing 20 ~ 30min; Finally, add cationic macromolecular solid toner to being impregnated with in the body lotion B of superfine fiber polyurethane synthetic leather base fabric of obtaining, process 10 ~ 20min, adds weak acid dye B, and dyeing 20 ~ 30min, washes.This colouring method dye absorber rate is high, and can not produce the problem of heavy metals exceeding standard.Prove through test, even dyeing of the present invention is deep and thorough, and surface colour is dense, and the wet rubbing fastness of the superfine fiber chemical leather color after dyeing can reach more than 3 grades, and xerotripsis fastness can reach more than 4 grades, and dye absorber rate can reach more than 95%.
Description
Technical field
The invention belongs to superfine fiber polyurethane leather technical field, be specifically related to a kind of interlayer decoration method for superfine fiber chemical leather dyeing.
Background technology
Natural leather resource-constrained, production process can produce larger pollution, has the pursuit be developed to as the mankind of the simulated composite leather of premium properties.Wherein there is the not weaving fabric of superfine fiber of tridimensional network for reinforcing material, by the superfine fiber chemical leather that impregnating polyurethane obtains, no matter from internal microstructure, or appearance tactile impression and the aspect such as physical characteristic and people's snugness of fit are all close to natural leather.According to statistics, by 2012, the annual capacity of Chinese superfine fiber chemical leather is about 9,500 ten thousand square meter, actual annual production 7500 ten thousand square meter.The high-grade sport footwear in the whole world existing more than 90% adopts superfine fiber chemical leather manufacture, and superior automobile seat also starts to adopt superfine fiber chemical leather to substitute natural leather.
While the fast development of superfine fiber chemical leather process technology, still the technology of some keys is had not yet thoroughly to break through, become the serious hindrance of superfine fiber chemical leather development, wherein, the staining technique of super fine fiber synthetic leather is exactly one of its Pinch technology not yet broken through.
For the dyeing of superfine fiber chemical leather, its technological difficulties mainly contain following two aspects.One, component, superfine fiber chemical leather mainly comprises polyurethane two kinds of compositions of not weaving fabric of superfine fiber and dipping filling.These two kinds of constituent structure and performance difference are very large, and single dyestuff and single colouring method are difficult to the coloration requirements of satisfied two kinds of compositions, and two kinds of compositions are difficult to reach good Color simultaneously; They are two years old, active group on superfine fiber chemical leather fiber is little, there is a large amount of carbochain and amide groups in molecule middle-of-chain, unprotected side chain, only just has carboxyl and amino at the end of strand, mainly relies on the deposition of dyestuff self that fiber is painted during dyeing, therefore, most of dyestuff is difficult to dye, and its washing fastness is very poor, is difficult to reach coloration requirements.
Because the dyeing difficulty of superfine fiber chemical leather is larger, cost is higher, and current most of superfine fiber chemical leather does not dye, just manufacture of intraocular coating on the superfine fiber synthetic leather base cloth of white, be processed into finished product, the appearance luster of this product comes this in artificial coating.Utilize the product that this superfine fiber chemical leather manufactures, as shoes and sofa etc. in use easily gall artificial coating and show-through, the serious serviceability affecting product, governs the fast development of superfine fiber chemical leather.
For the staining technique of superfine fiber chemical leather, mainly contain the following aspects.(1) the one pack system dyeing technology adopting high temperature-pressure dyeing machine to carry out.This technology is applicable to industrialized production in enormous quantities, production efficiency is high, in production process, energy consumption is higher, the dyestuff of one-component is difficult to the coloration requirements simultaneously meeting superfine fiber chemical leather two kinds of compositions, wherein the colorability of a certain composition is poor, dye uneven, dyefastness is bad, not water-fastness.This technique is at present only for the superfine fiber chemical leather with face coat that coloration requirements is not high, and to the suede of not band coating, this staining technique does not reach requirement at all; (2) the multi-component dyes staining technique adopting high temperature-pressure dyeing machine to carry out.The selection of multi-component dyes, multi-component dyes is suitable for the painted requirement of the polyurethane of not weaving fabric of superfine fiber and dipping filling separately to a certain extent, but bathe same and dye under the same terms, process conditions are difficult to the upper dye requirement simultaneously meeting multi-component dyes, meanwhile, there is the problem of the upper dye of competition between multi-component dyes.Bulk dyeing is uneven, and dyefastness is bad, not water-fastness, and dye absorber rate is lower.(3) the low-temperature atmosphere-pressure suction-type staining technique adopting dyeing machine to carry out.The most obvious technical characteristic of this technology dyes being under low-temperature atmosphere-pressure, and the energy consumption of dyeing is lower.But this staining technique still exists that dyeing is uneven, dyefastness is bad, not laundry-resistant defect, and dye under low-temperature atmosphere-pressure, the dye-uptake of dyestuff is lower, and raffinate contains more dyestuff, pollutes larger simultaneously.(4) color masterbatch composite spinning technology, this technology stricti jurise says it is dye technology, instead of staining technique.Its technical characteristic is mixed into color masterbatch in the process of superfine fibre manufacture, and the superfine fibre obtained with the color of the color masterbatch added, finally will be processed the not weaving fabric of superfine fiber obtained and just brought color.By the not weaving fabric of superfine fiber that this technology obtains, COLOR FASTNESS is very high, but, polyurethane compositions needs the later stage to dye, the compound of color masterbatch can affect the physical and mechanical properties of fiber itself, and the combined amount of color masterbatch can not be too large, and the color finally presented is not dense.The painted product development that can limit the later stage in early stage simultaneously, produces product variety single, is difficult to meet market demands; (5) color masterbatch composite polyurethane filling technique.This technology and the technology type in (4) are seemingly, be exactly in the process of producing superfine fiber chemical leather, when utilizing filling polyurethane superfine fibre non-fabrication cloth, in polyurethane, be mixed into color masterbatch and be filled into together in fine fibre non-fabrication cloth, finally obtaining superfine fiber chemical leather with color.The COLOR FASTNESS that this technology obtains is fine.But not weaving fabric of superfine fiber composition needs the later stage to dye, the painted product development that can limit the later stage in early stage simultaneously, produces product variety single, is difficult to meet market demands; (6) adopt the technology of (4) and (5), this method and combine the technological merit of (4) and (5) simultaneously, also embody the technological deficiency of (4) and (5).
Summary of the invention
The object of the present invention is to provide a kind of interlayer decoration method for superfine fiber chemical leather dyeing, the method dye absorber rate is high, Color good, and can not produce the problem of heavy metals exceeding standard.
In order to achieve the above object, the technical solution used in the present invention: with weight parts, 100 parts of superfine fiber polyurethane synthetic leather base fabrics are added in dyeing machine, add the water of 1500 ~ 2000 parts and the amphoteric surfactant of 0.5 ~ 2 part again, then 50 ~ 60 DEG C of process 10 ~ 20min are warming up to, add the weak acid dye A of 3 ~ 6 parts, then be warming up to 90 ~ 95 DEG C of dyeing 50 ~ 80min, obtain the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric; The pH value of the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric is adjusted to 4.5 ~ 5.5, continues dyeing 20 ~ 30min, obtain the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric; 0.5 ~ 2 portion of cationic macromolecular solid toner is added in the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric, process 10 ~ 20min, add the weak acid dye B of 1 ~ 2 part afterwards, dyeing 20 ~ 30min obtains the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, the superfine fiber polyurethane synthetic leather base fabric after dyeing is taken out from the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, and wash with water clean, namely complete dyeing.
Described amphoteric surfactant is the mixture of one or both arbitrary proportions in dodecyl alanine, dodecyldimethylammonium hydroxide inner salt, dodecyl ethyoxyl sulfobetaines.
Described weak acid dye A and weak acid dye B is the mixture of one or more arbitrary proportions in weak acid yellow R, weak acid blue BS, tracid black BG.
Described cationic macromolecular solid toner is the mixture of one or both arbitrary proportions in color-fixing agent BE-S, color-fixing agent CS-1, Fixative R 4B.
The described pH value being impregnated with the body lotion A of superfine fiber polyurethane synthetic leather base fabric adopts acetic acid to regulate.
Compared with prior art, beneficial effect of the present invention is:
One, the present invention selects amphoteric surfactant as bleeding agent, and when dyeing incipient, system pH is higher, and amphoteric surfactant presents the characteristic of anion, can play good level dyeing and osmosis, makes even dyeing deep and thorough; When the pH value utilizing acetic acid by the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric is transferred to 4.5 ~ 5.5, amphoteric surfactant presents cationic characteristic, dyestuff is made better to absorb and to fix, therefore, the present invention can greatly improve the absorptivity of weak acid dye A using amphoteric surfactant as bleeding agent.
They are two years old, weak acid dye selected by dyestuff of the present invention, this dyestuff can make the not weaving fabric of superfine fiber in superfine fiber polyurethane synthetic leather base fabric and good painted of polyurethane two kinds of compositions, simultaneously, because weak acid dye is not containing heavy metal ion, solve the problem of the heavy metals exceeding standard that conventional dyes occurs after dyeing;
They are three years old, the present invention adopts cationic macromolecule fixative as dye-fixing agent, added weak acid dye A can well be fixed, the surface characteristic of not weaving fabric of superfine fiber and polyurethane two kinds of compositions in superfine fiber polyurethane synthetic leather base fabric can be changed simultaneously, the positive charge on its surface is increased, the weak acid dye B that the later stage can be made to add absorbs and fixes, superfine fiber polyurethane leather even dyeing is deep and thorough, surface colour is dense, the wet rubbing fastness of the superfine fiber chemical leather color after dyeing can reach more than 3 grades, xerotripsis fastness can reach more than 4 grades, dye absorber rate can reach more than 95%, therefore, the present invention can play good surface colour effect.
Its four, " interlayer decoration method " of the present invention refer to when adopt anionic dye (anionic dye and weak acid dye) dye dyeing course is divided into two steps, add the centre of dyestuff at twice, adopt cationic macromolecule fixative process.Interlayer decoration method can be good at solving dyestuff penetration and fixing contradiction, make dye penetration even, and surface colour is dense.
Detailed description of the invention
Below by detailed description of the invention, the present invention is described in further detail, but the present invention has more than and is limited to these examples.
Embodiment 1:
With weight parts, 100 parts of superfine fiber polyurethane synthetic leather base fabrics are added in dyeing machine, add the water of 1500 parts and the dodecyl alanine of 0.8 part again, then 60 DEG C of process 10min are warming up to, add the weak acid yellow R of 3 parts, be warming up to 90 DEG C of dyeing 75min again, obtain the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric; The pH value acetic acid of the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric is adjusted to 5.0, continues dyeing 28min, obtain the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric; The color-fixing agent CS-1 of 0.5 part is added in the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric, process 10min, add the weak acid yellow R of 1 part afterwards, dyeing 20min obtains the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, the superfine fiber polyurethane synthetic leather base fabric after dyeing is taken out from the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, and wash with water clean, namely complete dyeing.
The color-fixing agent CS-1 that the present embodiment adopts is the CS-1 aldehyde-free colour stabilizer originating from Hangzhou Yinhu Chemical Co., Ltd.
Embodiment 2:
With weight parts, 100 parts of superfine fiber polyurethane synthetic leather base fabrics are added in dyeing machine, add the water of 2000 parts and the dodecyl ethyoxyl sulfobetaines of 2 parts again, then 50 DEG C of process 20min are warming up to, add the tracid black BG of 6 parts, be warming up to 95 DEG C of dyeing 50min again, obtain the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric; The pH value acetic acid of the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric is adjusted to 4.5, continues dyeing 20min, obtain the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric; The Fixative R 4B of 2 parts is added in the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric, process 20min, add the weak acid blue BS of 1.7 parts afterwards, dyeing 25min obtains the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, the superfine fiber polyurethane synthetic leather base fabric after dyeing is taken out from the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, and wash with water clean, namely complete dyeing.
Embodiment 3:
With weight parts, 100 parts of superfine fiber polyurethane synthetic leather base fabrics are added in dyeing machine, add the water of 1700 parts, the dodecyldimethylammonium hydroxide inner salt of 0.2 part and the dodecyl ethyoxyl sulfobetaines of 0.3 part again, then 56 DEG C of process 18min are warming up to, add the weak acid blue BS of 4 parts, be warming up to 93 DEG C of dyeing 80min again, obtain the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric; The pH value acetic acid of the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric is adjusted to 5.5, continues dyeing 30min, obtain the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric; The color-fixing agent BE-S of 1 part is added in the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric, process 14min, add the weak acid blue BS of 2 parts afterwards, dyeing 30min obtains the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, the superfine fiber polyurethane synthetic leather base fabric after dyeing is taken out from the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, and wash with water clean, namely complete dyeing.
The color-fixing agent BE-S that the present embodiment adopts is that crisp color-fixing agent BE-S prevented by the yarn that Haining City Mount Huang Chemical Co., Ltd. produces.
Embodiment 4:
With weight parts, 100 parts of superfine fiber polyurethane synthetic leather base fabrics are added in dyeing machine, add the water of 1500 parts and the dodecyl alanine of 0.5 part again, then 50 DEG C of process 10min are warming up to, add the weak acid blue BS of 2 parts weak acid yellow R and 1 part, be warming up to 90 DEG C of dyeing 80min again, obtain the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric; The pH value acetic acid of the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric is adjusted to 5.0, continues dyeing 28min, obtain the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric; The color-fixing agent CS-1 of 0.5 part is added in the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric, process 10min, add the weak acid yellow R of 1 part afterwards, dyeing 20min obtains the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, the superfine fiber polyurethane synthetic leather base fabric after dyeing is taken out from the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, and wash with water clean, namely complete dyeing.
The color-fixing agent CS-1 that the present embodiment adopts is the CS-1 aldehyde-free colour stabilizer originating from Hangzhou Yinhu Chemical Co., Ltd.
Embodiment 5:
With weight parts, 100 parts of superfine fiber polyurethane synthetic leather base fabrics are added in dyeing machine, add the water of 2000 parts and the dodecyl ethyoxyl sulfobetaines of 2 parts again, then 50 DEG C of process 20min are warming up to, add the tracid black BG of 5 parts, be warming up to 95 DEG C of dyeing 50min again, obtain the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric; The pH value acetic acid of the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric is adjusted to 4.5, continues dyeing 20min, obtain the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric; The color-fixing agent CS-1 of 1 part color-fixing agent BE-S and 0.5 part is added in the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric, process 20min, add the tracid black BG of 1 part weak acid blue BS and 1 part afterwards, dyeing 25min obtains the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, the superfine fiber polyurethane synthetic leather base fabric after dyeing is taken out from the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, and wash with water clean, namely complete dyeing.
The color-fixing agent CS-1 that the present embodiment adopts is the CS-1 aldehyde-free colour stabilizer originating from Hangzhou Yinhu Chemical Co., Ltd, and color-fixing agent BE-S is that crisp color-fixing agent BE-S prevented by the yarn that Haining City Mount Huang Chemical Co., Ltd. produces.
Superfine fiber polyurethane leather even dyeing through embodiment of the present invention 1-5 dyeing is deep and thorough, surface colour is dense, the wet rubbing fastness of the superfine fiber chemical leather color after dyeing can reach more than 3 grades, and xerotripsis fastness can reach more than 4 grades, and dye absorber rate can reach more than 95%.
Claims (5)
1. the interlayer decoration method for superfine fiber chemical leather dyeing, it is characterized in that, with weight parts, 100 parts of superfine fiber polyurethane synthetic leather base fabrics are added in dyeing machine, add the water of 1500 ~ 2000 parts and the amphoteric surfactant of 0.5 ~ 2 part again, be then warming up to 50 ~ 60 DEG C of process 10 ~ 20min, add the weak acid dye A of 3 ~ 6 parts, be warming up to 90 ~ 95 DEG C of dyeing 50 ~ 80min again, obtain the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric; The pH value of the body lotion A being impregnated with superfine fiber polyurethane synthetic leather base fabric is adjusted to 4.5 ~ 5.5, continues dyeing 20 ~ 30min, obtain the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric; 0.5 ~ 2 portion of cationic macromolecular solid toner is added in the body lotion B being impregnated with superfine fiber polyurethane synthetic leather base fabric, process 10 ~ 20min, add the weak acid dye B of 1 ~ 2 part afterwards, dyeing 20 ~ 30min obtains the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, the superfine fiber polyurethane synthetic leather base fabric after dyeing is taken out from the body lotion C being impregnated with superfine fiber polyurethane synthetic leather base fabric, and wash with water clean, namely complete dyeing.
2. the interlayer decoration method for superfine fiber chemical leather dyeing according to claim 1, is characterized in that: described amphoteric surfactant is the mixture of one or both arbitrary proportions in dodecyl alanine, dodecyldimethylammonium hydroxide inner salt, dodecyl ethyoxyl sulfobetaines.
3. the interlayer decoration method for superfine fiber chemical leather dyeing according to claim 1, is characterized in that: described weak acid dye A and weak acid dye B is the mixture of one or more arbitrary proportions in weak acid yellow R, weak acid blue BS, tracid black BG.
4. the interlayer decoration method for superfine fiber chemical leather dyeing according to claim 1, is characterized in that: described cationic macromolecular solid toner is the mixture of one or both arbitrary proportions in color-fixing agent BE-S, color-fixing agent CS-1.
5. according to claim 1 for superfine fiber chemical leather dyeing interlayer decoration method, it is characterized in that: described in be impregnated with the body lotion A of superfine fiber polyurethane synthetic leather base fabric pH value adopt acetic acid regulate.
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| CN104179031B (en) * | 2014-08-01 | 2016-08-17 | 陕西科技大学 | A kind of continuous impregnated afterfinish method of suede superfine fiber synthetic leather |
| CN106283729A (en) * | 2016-08-12 | 2017-01-04 | 上海华峰超纤材料股份有限公司 | The two-bath process method of superfine fiber chemical leather |
| CN107287935A (en) * | 2017-06-27 | 2017-10-24 | 武汉纺织大学 | A kind of method for improving natural dye dying performance |
| CN107237180A (en) * | 2017-06-27 | 2017-10-10 | 武汉纺织大学 | A kind of method of natural plant dye exhaust dyeing cellulosic fabric |
| CN109385919A (en) * | 2017-08-04 | 2019-02-26 | 福建大联新型材料发展有限公司 | A kind of preparation method of microfiber synthetic leather |
| CN109134819A (en) * | 2018-03-15 | 2019-01-04 | 浙江德美博士达高分子材料有限公司 | Determine the preparation method of the water-base resin of island microfiber synthetic leather impregnation |
| CN108914633B (en) * | 2018-06-19 | 2021-07-30 | 兰州科天水性高分子材料有限公司 | Waterborne polyurethane superfine fiber synthetic leather Bass dyeing method |
| CN112127170B (en) * | 2020-08-31 | 2022-08-09 | 浙江圣大新材料有限公司 | Dyeing process of superfine fiber synthetic leather |
| CN115094655A (en) * | 2022-07-19 | 2022-09-23 | 陕西科技大学 | Ultrasonic turbine dyeing method for microfiber leather |
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