CN105155307A - Wet-state dyeing finishing and fixation method for leathers based on zirconium-aluminum-titanium complex - Google Patents
Wet-state dyeing finishing and fixation method for leathers based on zirconium-aluminum-titanium complex Download PDFInfo
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- CN105155307A CN105155307A CN201510534247.6A CN201510534247A CN105155307A CN 105155307 A CN105155307 A CN 105155307A CN 201510534247 A CN201510534247 A CN 201510534247A CN 105155307 A CN105155307 A CN 105155307A
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Abstract
The invention relates to the technical field of leather making techniques and provides a wet-state dyeing finishing and fixation method for leathers based on a zirconium-aluminum-titanium complex. The zirconium-aluminum-titanium complex is added in a later period of dyeing and fat-liquoring; the zirconium-aluminum-titanium complex is a multi-metal cation tanning agent which may combine with leather fibers so as to increase positive charge on leather surface, to improve tinting strength of the leather surface and color brightness and to basically solve the shading problem, color fullness of cationic crust leathers is improved, consumption of dyes and formic acid in traditional fixation methods is lowered, dyeing rate and fastness of dyes are increased, the content of dyes in spent dye liquor is further decreased, wastewater treatment is easier, and a leather making process is greener.
Description
Technical field
The present invention relates to the Manufacturing Techniques field of leather, particularly a kind of leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex.
Background technology
Fixation is a leather water field stage very important procedure, and it can give leather perfect color, and increases its commercial value.Because chrome tanning occupies leading position for a long time, nearly all leather dedicated dye all carries out R&D and production with chrome-tanned needs and feature.Along with the enhancing gradually of people's environmental consciousness, everybody starts turn to the pure vegetable tanning method of research or organically combine tannage, but due to pure vegetable leather and organic tanning itself electronegative, as anionic property dyestuff (the acid or direct dyestuff) dyeing by routine, then make two kinds of electric charges mutually repel because crust leather surface is electronegative, the tone of dyeing is not full, dye-uptake is poor, simultaneously because this two classes dyestuff only relies on Van der Waals force and hydrogen bond to anchor on leather fiber, because dyestuff contains the group such as sulfonic group and carboxyl, easily again soluble in water when meeting water, thus make fastness to wet rubbing lower, tinting strength, tinting power is poor.
At present mainly formic acid is used to fixation that is acid or direct dyestuff, to form color acid, make dyestuff water insoluble and deposit, this color-fixing method makes dyestuff in conjunction with insecure, not resistance to wet rubbing, and dye dosage is large, often, waste liquid colourity is high for fixation, often spend high, efficiency is low, weak effect.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes a kind of leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex, the described leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex can improve the color saturation of anionic crust leather, reduce the use amount of dyestuff, formic acid in traditional color-fixing method, strengthen dye-uptake and the dyefastness of dyestuff, reduce the content of dyestuff in spent dye liquor simultaneously further, reduce lose colour phenomenon and sewage disposal difficulty, make leather making process environmental protection more.
For realizing above-mentioned technical problem, the solution that the present invention takes is: a kind of leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex, comprises the steps:
Step 1, carry out dyeing and finishing pre-treatment → retanning → dyeing → stuffing to wet crust leather, wherein said dyeing and finishing pre-treatment includes batching, water squeezing stretching, extension, shaving, rinsing and neutralization;
Step 2, after dyeing and fat-liquoring operation terminates, in rotary drum, add zirconium aluminium titanium complex 0-1%, rotate 20min, discharge opeing;
Step 3, in rotary drum, add the water 200% that water temperature is 50-52 DEG C, dyestuff 0.8-1%, turns 10-20min, adds zirconium aluminium titanium complex 0.5-1%, turns 10-20min, then add cation oil 0.5-1%, turn 10-20min, discharge opeing;
Step 4, in rotary drum, add the water 200% that temperature is 25-28 DEG C, rotate 10min, discharge opeing, goes out drum;
Wherein, in step 2, step 3, step 4 material therefor consumption be all with shaving after wet crust leather weight percentage calculate.
Further, described wet crust leather is chrome leather or chrome-reduced leather or without chrome leather.
Further, described chrome-reduced leather is half vegetable leather, and described is pure vegetable leather or without corrupt split tanning without chrome leather.
Further, described zirconium aluminium titanium complex be Jin Kun Chemical Co., Ltd. of Mianzhu City CAT (but defend China, but time, vast stretch of wooded country etc. Zirconium-aluminum-titanium multi-metal complex pulvis and preparation method thereof. China Patent No.: ZL200710048440).
Further, described cation oil is one or both the mixture in the EULINOLKSP of SOLVOTANVM, TFL company of CatalixGS, Tang Pule chemical company of Clariant Chemical Co., Ltd..
Further, described dyestuff is ACID DYES or direct dyestuff.
By adopting preceding solution, the invention has the beneficial effects as follows: the described leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex, overall flow is simple and easy to realize, easy to operate, simple and direct, practical, zirconium aluminium titanium complex is added latter stage by dyeing and fat-liquoring, make crust leather color and luster more evenly bright-coloured, because zirconium aluminium titanium complex has filling effect, make grain consolidation more, zirconium aluminium titanium complex is many metal cations tanning agent simultaneously, it can be combined with leather fiber, thus increase the positive charge on leather surface, improve the tinting strength, tinting power on leather surface, the vividness of color and substantially solve phenomenon of losing colour, be applied to leather fixation further, absorption and the combination of dyestuff can be significantly improved, crust leather coloring degree is made to improve 1-2 level, save dyestuff 20%-40%, spent dye liquor colourity reduces by 90%.
Detailed description of the invention
Below by specific embodiment, the present invention is specifically described; to the present invention, how application technology means solve technical problem whereby; and the implementation procedure reaching technique effect can fully understand and implement according to this; what be necessary to herein means out is that the present embodiment is only used to further illustrate the present invention; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment according to the content of the invention described above.
If do not specialize, the conventional means that the technological means adopted in embodiment is well known to those skilled in the art, the reagent adopted and product be also can business obtain.The various process do not described in detail and method are conventional methods as known in the art, source, the trade name of agents useful for same and be necessary to list its constituent person, all indicate when occurring first.
Embodiment 1:
The embodiment of the present invention 1 provides a kind of leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex, comprises following processing step:
Step 1, carry out dyeing and finishing pre-treatment → retanning → dyeing → stuffing to wet crust leather, wherein said dyeing and finishing pre-treatment includes batching, water squeezing stretching, extension, shaving, rinsing and neutralization, and described wet crust leather is pure vegetable leather;
Step 2, add after normal dyeing stuffing operation terminates 1% zirconium aluminium titanium complex, rotate 20min, direct discharge opeing;
Step 3, in rotary drum, add water 200%, BlackNB (the Yongguang dye Co., Ltd) 0.8% that water temperature is 50-52 DEG C, turn 15min, add zirconium aluminium titanium complex 1%, turn 15min, then add cation oil KSP1%, turn 15min;
Step 4, discharge opeing, add the water 200% that temperature is 26 DEG C, and rotate 10min, discharge opeing, goes out drum;
Wherein, in step 2, step 3, step 4 material therefor consumption be all with shaving after wet crust leather weight percentage calculate.
Embodiment 2:
The embodiment of the present invention 2 provides the another kind of leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex, comprises following processing step:
Step 1, carry out dyeing and finishing pre-treatment → retanning → dyeing → stuffing to wet crust leather, wherein said dyeing and finishing pre-treatment includes batching, water squeezing stretching, extension, shaving, rinsing and neutralization, and described wet crust leather is without corrupt split tanning;
Step 2, add after normal dyeing stuffing operation terminates 1% zirconium aluminium titanium complex, rotate 20min, direct discharge opeing;
Step 3, in rotary drum, add the water 200% that water temperature is 50-52 DEG C, BlackNB (Yongguang dye Co., Ltd) 0.5%, turn 10min, add zirconium aluminium titanium complex 0.5%, turn 10min, add BlackNB0.5%, turn 10min, add zirconium aluminium titanium complex 0.5%, turn 10min and add cation oil VM1% again, turn 10min;
Step 4, discharge opeing, add the water 200% that temperature is 26 DEG C, and rotate 10min, discharge opeing, goes out drum;
Wherein, in step 2, step 3, step 4 material therefor consumption be all with shaving after wet crust leather weight percentage calculate.
Embodiment 3:
The embodiment of the present invention 3 provides the another kind of leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex, comprises following processing step:
Step 1, carry out dyeing and finishing pre-treatment → retanning → dyeing → stuffing to wet crust leather, wherein said dyeing and finishing pre-treatment includes batching, water squeezing stretching, extension, shaving, rinsing and neutralization, and described wet crust leather is half vegetable leather;
Step 2, add after normal dyeing stuffing operation terminates 0.5% zirconium aluminium titanium complex, rotate 20min, direct discharge opeing;
Step 3, in rotary drum, add water 200%, BlackNB (the Yongguang dye Co., Ltd) 1% that water temperature is 50-52 DEG C, turn 10min, add zirconium aluminium titanium complex 0.5%, turn 10min, then add cation oil GS0.5%, VM0.5%, turn 10min;
Step 4, discharge opeing, add the water 200% that temperature is 26 DEG C, and rotate 10min, discharge opeing, goes out drum;
Wherein, in step 2, step 3, step 4 material therefor consumption be all with shaving after wet crust leather weight percentage calculate.
Embodiment 4:
The embodiment of the present invention 4 provides the another kind of leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex, comprises following processing step:
Step 1, carry out dyeing and finishing pre-treatment → retanning → dyeing → stuffing to wet crust leather, wherein said dyeing and finishing pre-treatment includes batching, water squeezing stretching, extension, shaving, rinsing and neutralization, and described wet crust leather is chrome leather;
Step 2, direct discharge opeing after normal dyeing stuffing operation terminates;
Step 3, in rotary drum, add water 200%, BlackNB (the Yongguang dye Co., Ltd) 0.8% that water temperature is 50-52 DEG C, turn 10min, add zirconium aluminium titanium complex 0.5%, turn 10min, then add cation oil GS0.5%, turn 10min;
Step 4, discharge opeing, add the water 200% that temperature is 26 DEG C, and rotate 10min, discharge opeing, goes out drum;
Wherein, in step 2, step 3, step 4 material therefor consumption be all with shaving after wet crust leather weight percentage calculate.
The leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex in sum, zirconium aluminium titanium complex is added latter stage at dyeing and fat-liquoring, zirconium aluminium titanium complex is many metal cations tanning agent, it can be combined with leather fiber, thus increase the positive charge on leather surface, improve the tinting strength, tinting power on leather surface, the vividness of color and substantially solve phenomenon of losing colour, be applied to leather fixation further, absorption and the combination of dyestuff can be significantly improved, crust leather coloring degree is made to improve 1-2 level, save dyestuff 20%-40%, spent dye liquor colourity reduces by 90%, be applicable to pure vegetable leather, without corrupt split tanning, half vegetable leather, the wet crust leather that the multiple tanning such as chrome leather form is obtained, be applicable to production and application quantitatively.
Above, be only the embodiment utilizing this origination techniques content, the modification that any those skilled in the art use this creation to do, change, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (6)
1., based on a leather hygrometric state dyeing and finishing color-fixing method for zirconium aluminium titanium complex, comprise step 1, wet crust leather carried out to dyeing and finishing pre-treatment → retanning → dyeing → stuffing, wherein said dyeing and finishing pre-treatment includes batching, water squeezing stretching, extension, shaving, rinsing and neutralization; It is characterized in that, also comprise the steps:
Step 2, after dyeing and fat-liquoring operation terminates, in rotary drum, add zirconium aluminium titanium complex 0-1%, rotate 20min, discharge opeing;
Step 3, in rotary drum, add the water 200% that water temperature is 50-52 DEG C, dyestuff 0.8-1%, turns 10-20min, adds zirconium aluminium titanium complex 0.5-1%, turns 10-20min, then add cation oil 0.5-1%, turn 10-20min, discharge opeing;
Step 4, in rotary drum, add the water 200% that temperature is 25-28 DEG C, rotate 10min, discharge opeing, goes out drum;
Wherein, in step 2, step 3, step 4 material therefor consumption be all with shaving after wet crust leather weight percentage calculate.
2. the leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex according to claim 1, is characterized in that: described wet crust leather is chrome leather or chrome-reduced leather or without chrome leather.
3. the leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex according to claim 2, is characterized in that: described chrome-reduced leather is half vegetable leather, and described is pure vegetable leather or without corrupt split tanning without chrome leather.
4. the leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex according to claim 1, it is characterized in that: described zirconium aluminium titanium complex is that the CAT of Jin Kun Chemical Co., Ltd. of Mianzhu City (but defends China, but time, vast stretch of wooded country etc. Zirconium-aluminum-titanium multi-metal complex pulvis and preparation method thereof. China Patent No.: ZL200710048440).
5. the leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex according to claim 1, is characterized in that: described cation oil is one or both the mixture in the EULINOLKSP of SOLVOTANVM, TFL company of CatalixGS, Tang Pule chemical company of Clariant Chemical Co., Ltd..
6. the leather hygrometric state dyeing and finishing color-fixing method based on zirconium aluminium titanium complex according to claim 1, is characterized in that: described dyestuff is ACID DYES or direct dyestuff.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105969920A (en) * | 2016-07-25 | 2016-09-28 | 兴业皮革科技股份有限公司 | Chromium-free hygrometric-state dyeing and finishing process for preparing cattle hide upper leather based on zirconium, iron and aluminum complex |
| CN108463563A (en) * | 2016-01-29 | 2018-08-28 | 西铁城时计株式会社 | Use 6 valence chromium inorganic agents reptile is leather-like or the manufacturing method of leather and fur products and use 6 valence chromium inorganic agents reptile is leather-like or leather and fur products |
| CN110923373A (en) * | 2019-11-11 | 2020-03-27 | 兴业皮革科技股份有限公司 | Leather processing method, leather and leather product |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108463563A (en) * | 2016-01-29 | 2018-08-28 | 西铁城时计株式会社 | Use 6 valence chromium inorganic agents reptile is leather-like or the manufacturing method of leather and fur products and use 6 valence chromium inorganic agents reptile is leather-like or leather and fur products |
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| CN110923373A (en) * | 2019-11-11 | 2020-03-27 | 兴业皮革科技股份有限公司 | Leather processing method, leather and leather product |
| CN110923373B (en) * | 2019-11-11 | 2022-05-06 | 兴业皮革科技股份有限公司 | Leather processing method, leather and leather product |
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