CN103306146B - The wet short steaming and rolling dyeing technique of Lyocell fiber and Modal fiber extra width man textile fabric - Google Patents
The wet short steaming and rolling dyeing technique of Lyocell fiber and Modal fiber extra width man textile fabric Download PDFInfo
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Abstract
The invention provides the wet short steaming and rolling dyeing technique of a kind of Lyocell fiber and Modal fiber extra width man textile fabric, treatment step comprises: (1) pads dye liquor; (2) decatize; (3) hot water wash; (4) dry.The present invention is by innovation transformation and the preferred coloring agent of equipment and add dyestuff and control, overcome the defect of existing equipment and technology, on the basis reducing costs input, meet and achieve the new wet short steaming and rolling dyeing production of Lyocell and Modal extra width man textile fabric 102 DEG C, reduce energy consumption, solve the problem of aberration in limit and aberration end to end, simultaneously stable, be easy to operation, be suitable for large-scale production extra width man textile fabric.
Description
Technical Field
The invention relates to the field of textile printing and dyeing, in particular to a wet short steaming pad dyeing process of an extra-wide home textile fabric made of Lyocell fibers and Modal fibers.
Background
The Lyocell fiber is a novel and environment-friendly regenerated cellulose fiber and has a typical skin-core structure, a core layer is mainly formed by highly parallel arrangement of macrofibrils, an amorphous area is sandwiched between the macrofibrils, and the sizes of the fibrils are all in the nanometer level. Compared with viscose fiber, the Lyocell fiber has the characteristics of simple production process, small environmental pollution, excellent fiber performance and the like, and is attracted by people in recent years.
Modal fiber, also called Modal fiber, is a regenerated cellulose fiber with high strength and high wet modulus, and has wide market prospect due to the characteristics of bright color, smooth and soft hand feeling, flat and stiff and pendulous appearance and the like after dyeing.
At present, the conventional dyeing process of the Lyocell fiber or Modal fiber is reactive dyeing, the equipment basically adopts a jig dyeing machine (jig dyeing process) for dyeing, and a continuous pad dyeing machine (pad drying pad steaming process) for dyeing is respectively adopted. These processes have the following disadvantages, respectively:
1. rolling, drying, rolling and steaming: the dye has low utilization rate, generally 70-85 percent, large salt consumption, difficult washing, low brightness of the cloth surface and certain limitation on producing special high-grade fabrics. The salt content of the sewage is high, and the treatment difficulty is high. The process is long, and the energy consumption and the time consumption are reduced. The consumption of water, electricity, steam, manpower and equipment is large, and the energy is not saved and the environment is protected.
2. The jig dyeing process comprises the following steps: due to long dyeing time, Lyocell or Modal jig dyeing has poor fuzzing and pilling, long flow and energy and time consumption. The color matching and color mixing are not intuitive, and the process and the color are difficult to control. The salt consumption is very large, the salt content of the sewage is large, and the treatment difficulty is high.
The wet short steaming dyeing is the simplest and shortest continuous dyeing process of the reactive dye, the process has high color fixation rate, small using amount of dyeing auxiliaries, no need of urea, strong alkali and a large amount of salt, the soaping difficulty is reduced, the sewage treatment burden is reduced, and the environment protection is facilitated. The wet short steaming dyeing process can dye and fix the color of the fabric under the condition that the fabric contains enough bound water and less free water, so that the wet short steaming dyeing process can dye and fix the color quickly, can greatly reduce the hydrolysis of the dye, and has the advantages of short process, energy and water conservation, high color fixing rate, good reproducibility and the like.
At present, the mass production of the reactive dye wet short steaming dyeing process is not much, and the reactive dye wet short steaming dyeing process is generally used for dyeing narrow and conventional fabrics, an expensive special wet steaming box is adopted, and the temperature, the humidity and the reaction time of the reaction steaming box need to be strictly controlled at the temperature of more than 130 ℃. The temperature and humidity balance time of the box body in the initial driving is long, head-tail color difference is easy to cause, and the box body is not suitable for small-batch order production. In addition, due to the reason of the current equipment manufacturing, an online stable automatic control program has a defect in humidity setting, a compensation humidity control valve, an environment humidity detector and an environment humidity sending fan cannot be stably controlled, the problem of information feedback lag exists, manual control is mostly adopted for compensation, the requirement on operation experience is high, and control is difficult.
Therefore, a new wet short steaming process is needed, the problems of edge color difference and head-tail color difference are solved, and meanwhile, the operation is stable, the operation is easy, and the process is suitable for large-scale production of the extra-wide home textile fabric.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a wet short-steaming pad-dyeing process of an extra-wide home textile fabric made of Lyocell fibers and Modal fibers.
The main ideas of the invention are as follows: the appropriate dyeing and finishing matching process, dye and auxiliary agent are optimized in consideration of the fiber characteristics of the Lyocell or Modal fabric, the defects of the prior art and equipment are overcome, the reduction steam box of a conventional pad dyeing machine is innovated and improved on the basis of reducing investment, the equipment is utilized to carry out the Lyocell or Modal 102 ℃ wet short steaming process, the problems of side color difference and head-tail color difference are solved, the color consistency is good, the one-time dyeing success rate is over 95 percent, and the efficiency is greatly improved. Meanwhile, salt-free dyeing is realized, the dye utilization rate and the production efficiency are improved, and great advantages are shown in the aspects of energy conservation and emission reduction. Due to open width one-time dyeing production, the fibrillation degree is reduced, fuzzing and pilling are at least half-grade better than those of the conventional jig dyeing process, and the fabric quality is improved. And the process and the color are easy to control, thereby completely meeting the market demand.
In order to realize the purpose, the adopted technical scheme is as follows: a wet short steaming pad dyeing process of an ultra-wide home textile fabric made of Lyocell fibers and Modal fibers comprises the following processing steps: (1) padding a dye liquor; (2) steaming; (3) washing with hot water; (4) drying; wherein,
the step of padding the dye liquor is carried out in a padding machine, and the padding rate is between 60 and 70 percent;
the steaming temperature in the steaming step is 100-104 ℃, and the time is 1.5-2 minutes;
the hot water washing step is carried out by adopting a plurality of soaping water tanks, and the temperature of each water tank is 95-100 ℃;
the treating fluid of the padding dye liquor comprises the following components:
0.001-20 g/L of dye;
10-40 g/L of buffering agent;
5-10 g/L of anti-dyeing salt;
0.5-1 g/L of penetrating agent;
the buffer is formed by mixing sodium carbonate, trisodium phosphate and sodium bicarbonate.
Preferably, the content range of the dye is 0.3 g/L-10 g/L; the content of the dye-resistant salt is 10 g/L; the content of the penetrating agent is 1 g/L; the content range of the buffer agent is 30-35 g/L.
Preferably, the content of sodium carbonate is 10 g/L.
Preferably, the content of trisodium phosphate does not exceed 10 g/L; particularly preferably, the content of trisodium phosphate is 5 g/L.
Preferably, the content of sodium bicarbonate does not exceed 20 g/L; particularly preferably, the content of the sodium bicarbonate is 15 g/L.
In a preferred embodiment of the present invention, the treating fluid of the padding dye liquor comprises the following components:
0.3 g/L-10 g/L of dye;
10g/L of dye-resistant salt;
1 g/L of penetrant;
10g/L of sodium carbonate;
5g/L trisodium phosphate;
sodium bicarbonate 15 g/L.
Preferably, the dyes are selected from the NOVACRON C and NOVACRON TS dyes produced by hensmei textile dyeing limited.
Preferably, the anti-staining salt is selected from anti-staining salt S produced by Hongsheng chemical company Limited of Shangyu city.
Preferably, the penetrant is selected from PRIMASOL DEAERATOR NF multifunctional penetrant manufactured by BASF DYE CHEMICAL INDUSTRY.
Preferably, a heavy uniform padder is additionally arranged in front of a reduction steam box of the pad dyeing machine, and the fabric directly enters the steam box after passing through the heavy uniform padder to be steamed. The invention solves the problems of the residual ratio and uniformity by improving the conventional padding machine, and meets the requirements of the uniform dyeing of the three-side liquid on the residual ratio of the wide Lyocell or Modal home textile fabric of more than 2.8 meters by 60-70 percent.
Preferably, in the process of (1) padding the dye liquor, after 15-20 minutes of material melting, the speed of the padding machine is controlled at 20-25 m/min, and the treatment liquor is replenished in the first cylinder and the second cylinder. The dye amount taken away by the cloth cover and the dye amount of alkaline hydrolysis can be supplemented, the concentration of the dye liquor in the trough is balanced, and the cloth cover is dyed in consistent color.
Preferably, the dye replenishing amount of the first cylinder is 2-3 times of the initial dye concentration, the dye replenishing amount of the second cylinder is 85% -95% of the dye replenishing amount of the first cylinder, and other components of the padding dye liquor treatment liquid are replenished according to the original concentration.
The invention adopts buffer solution of mixed alkali to realize stable one-bath dyeing with dye.
According to the invention, through an innovative formula of the padding dye liquor treatment fluid, a buffer solution with sodium carbonate, sodium bicarbonate and trisodium phosphate as main components is formed, and the one-bath of the dye and the auxiliary agent is realized.
The invention has the following positive effects:
1. the invention overcomes the defects of the prior equipment and process technology, and through the innovative improvement of the equipment, on the basis of reducing the cost input, the invention meets the requirements of realizing 102 ℃ new wet short steaming pad dyeing production of Lyocell and Modal extra-wide home textile fabrics, and reduces the energy consumption. The drying is not needed, the steaming is directly carried out, and compared with the traditional process, the energy consumption can be saved by 30-40%; the steaming time is short, the color brightness is improved, and the rate of certified products is also improved.
2. The invention only locally modifies the front section of the conventional pad dyeing reduction steam box, realizes the 102 ℃ wet short steaming pad dyeing process, avoids the high investment of the existing 130 ℃ above wet short steaming pad dyeing process which needs a special steam box, and has simpler and more convenient temperature, humidity and production control.
3. The invention solves the control problem (the color is difficult to control) of the color-chasing and material-supplementing in the production process of producing the Lyocell and Modal home textile fabrics by using the wet short steaming process, solves the problems of the continuous pad dyeing of the Lyocell and Modal extra-wide home textile fabrics of the middle-edge color difference and the head-tail color difference, has good color consistency, has the dyeing one-time success rate of more than 95 percent, and greatly improves the efficiency. Meanwhile, salt-free and urea-free dyeing is realized, the dye utilization rate and the production efficiency are improved, and great advantages are shown in the aspects of energy conservation and emission reduction.
4. The invention reduces the fibrillation degree of the Lyocell and Modal fabrics, has better fuzzing and pilling than the conventional jig dyeing process by at least half grade, and improves the quality of the fabrics. The design style and effect of the fabric are fully displayed, energy is saved, emission is reduced, green and environment-friendly dyeing and finishing processing is realized, brand new feeling is provided for users, the green and healthy high-level consumption requirements of people are met, and the market requirements are completely met.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a reactive dye uptake curve for Novacron C and Novacron TS types;
FIG. 2 is a flow diagram of a short wet pad dyeing apparatus used in an embodiment of the present invention;
wherein:
1-cloth feeding frame, 2-dip mangle and heavy uniform padder, 3-reduction steam box, 4-padder, 5-soaping box, 6-padder, 7-water washing box, 8-padder, 9-water washing box, 10-padder, 11-water washing box, 12-padder, 13-drying cylinder and 14-cloth dropping frame.
Detailed Description
The invention will be further illustrated with reference to the following specific examples.
The invention provides a wet short steaming pad dyeing process of an extra-wide home textile fabric made of Lyocell fibers and Modal fibers. By modifying the existing equipment, optimizing the proportion of the dye and the auxiliary agent and controlling the concentration and time of the dye supplement in the production process, the optimal production control scheme is obtained, and the 102 ℃ new wet short-steaming pad dyeing production of the Lyocell and Modal extra-wide home textile fabric is realized.
Firstly, because the rolling residual rate and uniformity requirements of the padding liquor can not be met by a roller and a rolling groove of the padding liquor in front of a reduction steam box of a conventional padding machine, particularly wide equipment with the width of more than 2.8 meters, the roller is too small, the middle part can be warped after the compression is heavier, so that the pressure on two sides is large, and the liquor carrying quantity is small; the middle pressure is small, the liquid carrying quantity is large, and the dye liquid can drip in the middle of the dyeing process when the dyeing process is serious, so that serious three-edge color, color flower and color spot can be caused.
In order to overcome the problem, referring to the attached drawing 2, a heavy uniform padder 2 is additionally arranged in front of a reduction steam box 3 of a conventional padding machine, and the conditions of a wet short steaming process are met by innovating and modifying a reduction soaping part of the conventional dyeing machine, so that the problems of the pad loss rate and uniformity are solved, and the uniform dyeing requirements of the wide Lyocell or Modal home textile fabric with the pad loss rate of more than 2.8 meters and the uniform dyeing requirements of the trilateral liquid are met.
Of course, on the basis of fig. 2, the condensed water and sewage heat energy recovery of the machine table and the thermal insulation coating of the high-temperature valve and the drying cylinder of the machine table are additionally arranged in front of the reduction steam box 3 of the conventional padding machine, so that the performance of the padding machine is further improved.
Secondly, considering that the dyeing property of Lyocell and Modal fibers is different from that of conventional cotton cloth, the control difficulty of the wet short steaming process at 102 ℃ is to solve the problem of the dyeing consistency of reactive dyes with different colors under the condition that an alkali fixing agent and the dyes are in one bath.
Under the condition of one-bath with an alkaline agent, the reactive dye needs to be added according to factors such as the affinity, the substantivity, the dye uptake, the compatibility and the balance time of the silo dye solution, so as to keep the silo dye solution in a relatively stable state all the time, so that the dye taken away from the cloth cover is consistent with the supplemented dye, and the consistency of the silo dye solution can be kept so as to keep the consistency of the front and back colors. For this reason, the present invention has been tested from the following points, and finally determined the optimum production method.
(1) Dye screening
The present invention has made a great deal of work in the screening of dyes. Because, if the dye is not screened properly, the color is very difficult to control in continuous production.
Applicants have conducted experimental screening of a large number of dyes from six main aspects: a) the color fastness of the dye such as light fastness and soaping fastness b) the dye-uptake rate and curve of the dye, C) the lifting power of the dye, d) the specific transfer value of the dye, f) the alkali hydrolysis resistance of the dye, g) the weather resistance of the dye, finally selecting the active dyes of Novacron C type and Novacron TS type to form three primary colors, obtaining the dye-uptake curve data as shown in the table 1, and measuring and drawing the dye-uptake curve as shown in the figure 1.
TABLE 1 reactive dye uptake curves of Novacron C and Novacron TS types
| Dyeing time (unit: min) | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| Novacron Yellow C-RG(%) | 0.00 | 3.30 | 15.16 | 29.02 | 40.86 | 48.24 | 57.05 | 65.88 | 70.91 | 71.67 | 72.72 |
| Novacron Red C-2BL(%) | 0.00 | 3.45 | 16.05 | 30.00 | 40.12 | 48.30 | 58.80 | 66.20 | 71.50 | 71.97 | 72.94 |
| Novacron BlueTS-GC(%) | 0.00 | 3.20 | 14.95 | 28.50 | 40.30 | 48.10 | 57.00 | 65.80 | 70.10 | 70.40 | 72.00 |
(2) Amount and time control of dye replenishment
Considering the influence of the vehicle speed and the steam pressure on the dye replenishing concentration of different colors and different cloth varieties, through research and continuous production practices, the applicant grasps that after 15-20 minutes of material melting, the vehicle speed of a pad dyeing machine is controlled to be 20-25 m/min, dye replenishing is carried out in a first cylinder and a second cylinder, the dye replenishing amount of the first cylinder is 2-3 times of the initial dye concentration, and the dye replenishing amount of the second cylinder is 85-95% of the dye replenishing amount of the first cylinder.
Example 1
In this example, the fabric used was a fabric of Modal 188X 9760 s/60s Modal 116 "satin, light rice,
| initial concentration | Additional concentration | |
| NOVACRON Yellow C-RG | 0.3 g/L | 0.6 g/L |
| NOVACRON Red C-2BL | 0.2 g/L | 0.37 g/L |
| NOVACRON Blue TS-GC | 0.08 g/L | 0.19 g/L |
| Sodium carbonate | 10g/L | 10g/L |
| Sodium bicarbonate | 15g/L | 15g/L |
| Anti-staining salt S | 10 g/L | 10 g/L |
| Trisodium phosphate | 5 g/L | 5 g/L |
| NF multifunctional penetrant | 1 g/L | 1 g/L |
In the process of (1) padding the dye liquor, after the materials are melted for 15-20 minutes, controlling the speed of the padding machine at 20-25 m/min, and supplementing the treatment liquor in the first cylinder and the second cylinder. The replenishment concentration is the replenishment amount of the first cylinder, and the replenishment amount of the dye of the second cylinder is 95% of the replenishment amount of the first cylinder. And adding other components of the padding dye liquor treatment liquid according to the original concentration.
The anti-staining salt S is selected from anti-staining salt S produced by Hongsheng chemical company Limited in Shangyu city.
The multifunctional NF penetrant is selected from PRIMASOL DEAERATOR NF multifunctional penetrant produced by BASF DYE CHEMICAL CO.
The treatment process comprises the following steps: (1) padding a dye liquor; (2) steaming; (3) washing with hot water; (4) and (5) drying.
The process conditions of the steps are as follows:
the step of padding the dye liquor is carried out in a padding machine, and the padding rate is between 60 and 70 percent;
the steaming temperature in the steaming step is 100-104 ℃, and the time is 1.5-3 minutes;
the hot water washing step is carried out by adopting a plurality of compound water tanks, and the temperature of each water tank is 80 ℃.
Example 2
In this example, the fabric used was a Lyocell 182 x 12060 s/60s 100% Lyocell 98.5 "satin, light orange gray,
| initial concentration | Additional concentration | |
| NOVACRON Yellow C-RG | 0.45 g/L | 0.87 g/L |
| NOVACRON Red C-2BL | 0.66 g/L | 1.16 g/L |
| NOVACRON Blue TS-GC | 0.20 g/L | 0.42 g/L |
| Sodium carbonate | 10g/L | 10g/L |
| Sodium bicarbonate | 15g/L | 15g/L |
| Anti-staining salt S | 10g/L | 10g/L |
| Trisodium phosphate | 5g/L | 5g/L |
| NF multifunctional penetrant | 1g/L | 1g/L |
The second vat replenishes 90% more dye than the first vat replenishes. And adding other components of the padding dye liquor treatment liquid according to the original concentration.
The treatment process was the same as in example 1.
Example 3
In this example, the fabric used was a Lyocell 182 x 12060 s/60s 100% Lyocell 98.5 "satin, gray,
| initial concentration | Additional concentration | |
| NOVACRON Yellow C-RG | 1.70 g/L | 2.53 g/L |
| NOVACRON Red C-2BL | 3.60 g/L | 6.82 g/L |
| NOVACRON Blue TS-GC | 1.65 g/L | 3.2 g/L |
| Sodium carbonate | 15g/L | 15g/L |
| Sodium bicarbonate | 15g/L | 15g/L |
| Anti-staining salt S | 10 g/L | 10 g/L |
| Trisodium phosphate | 5 g/L | 5 g/L |
| NF multifunctional penetrant | 1 g/L | 1 g/L |
The second vat makeup dye was 88% of the first vat makeup dye. And adding other components of the padding dye liquor treatment liquid according to the original concentration.
The treatment process was the same as in example 1.
The invention overcomes the defects of the prior equipment and process technology through the innovative reconstruction of the equipment, and meets the requirements of realizing 102 ℃ new wet short steaming pad dyeing production of Lyocell and Modal extra-wide home textile fabric on the basis of reducing the cost investment, thereby reducing the energy consumption; the consistency of the front and back colors of the cloth surface is kept by controlling the amount and time of screening and adding the dye.
The invention has the advantages that the drying is not needed, the steaming is directly carried out, and compared with the traditional process, the energy consumption of the method can be saved by 30 percent to 40 percent; short steaming time, high color brightness and high rate of certified products; the method solves the problems of edge color difference and head-to-tail color difference, is stable in operation and easy to operate, and is suitable for large-scale production of the extra-wide home textile fabric.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several changes, improvements and modifications can be made without departing from the spirit of the present invention, and these changes, improvements and modifications should also be construed as the protection scope of the present invention.
Claims (9)
1. The wet short steaming pad dyeing process of the Lyocell fiber and Modal fiber extra-wide home textile fabric is characterized by comprising the following processing steps of:
(1) padding a dye liquor; (2) steaming; (3) washing with hot water; (4) drying; wherein,
the step of padding the dye liquor is carried out in a padding machine, and the padding rate is between 60 and 70 percent;
the steaming temperature in the steaming step is 100-104 ℃, and the time is 1.5-2 minutes;
the hot water washing step is carried out by adopting a plurality of soaping water tanks, and the temperature of each water tank is 95-100 ℃;
the treating fluid of the padding dye liquor comprises the following components:
0.001-20 g/L of dye;
10-40 g/L of buffering agent;
5-10 g/L of anti-dyeing salt;
0.5-1 g/L of penetrating agent;
the buffer is formed by mixing sodium carbonate, trisodium phosphate and sodium bicarbonate;
and,
a heavy uniform padder is additionally arranged in front of a reduction steam box of the pad dyeing machine, and the fabric directly enters the steam box after passing through the heavy uniform padder to be steamed;
in the process of (1) padding the dye liquor, after the materials are melted for 15-20 minutes, controlling the speed of the padding machine at 20-25 m/min, and supplementing the treatment liquor in the first cylinder and the second cylinder.
2. The wet short steaming pad dyeing process according to claim 1, characterized in that the supplementary dye amount of the first cylinder is 2-3 times of the initial dye concentration, the supplementary dye amount of the second cylinder is 85-95% of the supplementary dye amount of the first cylinder, and other components of the pad dyeing solution treatment solution are supplemented according to the initial concentration.
3. The short wet steaming pad dyeing process according to claim 1, wherein the buffer solution of mixed alkali is adopted to realize stable one-bath dyeing with the dye.
4. The short wet steam pad dyeing process according to claim 1, wherein the content of sodium carbonate is 5-20 g/L.
5. The short wet steam pad dyeing process according to claim 1, characterized in that the content of trisodium phosphate is not more than 10 g/L.
6. The short wet pad dyeing process according to claim 1, characterized in that the sodium bicarbonate content is not more than 20 g/L.
7. The short wet pad dyeing process according to claim 1, characterized in that the dyes are selected from the novacon C and novacon TS dyes from hensmy textile dyeing limited.
8. The short wet steaming pad dyeing process according to claim 1, wherein the dye-resistant salt is selected from the group consisting of dye-resistant salt S produced by hong kong chemical limited of the poppy city.
9. The wet short steaming pad dyeing process according to claim 1, wherein the penetrant is selected from PRIMASOL dealarator NF multifunctional penetrant manufactured by basf dye chemical limited.
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| CN201210056450.3A CN103306146B (en) | 2012-03-06 | 2012-03-06 | The wet short steaming and rolling dyeing technique of Lyocell fiber and Modal fiber extra width man textile fabric |
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| CN105696163A (en) * | 2016-04-18 | 2016-06-22 | 郑州德惠纺织科技有限公司 | Home textile fabric and blending method thereof |
| CN108411530B (en) * | 2018-04-20 | 2024-09-03 | 苏州棠华纳米科技有限公司 | Continuous padding dyeing method and dyeing equipment |
| CN114606684B (en) * | 2022-04-19 | 2024-04-30 | 江苏欧化纺织有限公司 | Tencel home textile fabric and fiber-inhibiting dyeing and finishing process thereof |
| CN114892431B (en) * | 2022-04-30 | 2024-04-30 | 江苏欧化纺织有限公司 | Domestic textile fabric blended by collagen fibers and modal fibers and dyeing and finishing process thereof |
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Non-Patent Citations (2)
| Title |
|---|
| 唐人成等.Lyocell织物的染色.《Lyocell纺织品染整加工技术》.中国纺织出版社,2001,第243-245页. * |
| 蔡苏英,田恬.活性染料及其染色.《染整工艺学》.中国纺织出版社,2004,第172-174页. * |
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Denomination of invention: Wet short steam pad dyeing process of Lyocell fiber and Modal fiber ultra wide width home textile fabrics Granted publication date: 20150826 Pledgee: Bank of China Limited by Share Ltd. Yancheng branch Pledgor: Jiangsu Ouhua Textile Co.,Ltd. Registration number: Y2024980023469 |