CN101545214B - Orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process - Google Patents
Orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process Download PDFInfo
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- CN101545214B CN101545214B CN2009100980441A CN200910098044A CN101545214B CN 101545214 B CN101545214 B CN 101545214B CN 2009100980441 A CN2009100980441 A CN 2009100980441A CN 200910098044 A CN200910098044 A CN 200910098044A CN 101545214 B CN101545214 B CN 101545214B
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- agent
- chinlon
- viscose
- spandex
- dyeing
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- 229920002972 Acrylic fiber Polymers 0.000 title claims abstract description 39
- 238000004043 dyeing Methods 0.000 title claims abstract description 33
- 229920006052 Chinlon® Polymers 0.000 title claims abstract description 30
- 229920002334 Spandex Polymers 0.000 title claims abstract description 30
- 239000004759 spandex Substances 0.000 title claims abstract description 30
- 229920000297 Rayon Polymers 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000975 dye Substances 0.000 claims abstract description 72
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 27
- 238000007670 refining Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229960000583 acetic acid Drugs 0.000 claims abstract description 10
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 10
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims abstract description 9
- 230000007935 neutral effect Effects 0.000 claims abstract description 9
- 239000001632 sodium acetate Substances 0.000 claims abstract description 9
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 9
- 150000001768 cations Chemical class 0.000 claims description 25
- 238000001556 precipitation Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 238000003287 bathing Methods 0.000 claims description 12
- 239000013527 degreasing agent Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 6
- 239000000344 soap Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 5
- 239000000980 acid dye Substances 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 125000002091 cationic group Chemical group 0.000 abstract description 6
- 239000002244 precipitate Substances 0.000 abstract 2
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- 239000004952 Polyamide Substances 0.000 description 5
- 229920002647 polyamide Polymers 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- 235000017550 sodium carbonate Nutrition 0.000 description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- 239000010446 mirabilite Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- -1 0.25~1g/L Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Abstract
The invention discloses an orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process, which belongs to the technical field of pretreatment, dyeing and afterfinish processes of knitgoods. The process comprises the following steps: dyeing viscose according to the prior dyeing viscose technological requirements; adding dyes and auxiliary agents to perform one-bath refining oil removal and dyeing orlon/chinlon/spandex; and finally performing softening treatment according to the prior softening treatment technological requirements, wherein the dyes and the auxiliary agents consist of an oil removing agent, a refining agent, an ED type cationic dye, a weak acidic or neutral dye, a precipitate preventing agent, a chelating dispersant, a leveling agent, glacial acetic acid, sodium acetate and the like. The process reasonably selects the ED type cationic dye, adds the precipitate preventing agent, performs the refining oil removal and dyeing orlon/chinlon/spandex in one bath, changes a four-bath process in the prior art into a two-bath process for dyeing, shortens the process flow and the dyeing time, improves the yield, reduces the using amount of steam and water, and reduces pollution discharge.
Description
Technical field
The present invention relates to a kind of orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process, belong to pre-treatment, dyeing, the postfinishing process technical field of knitwear.
Background technology
The dyeing of existing orlon/viscose/chinlon/spandex seamless underwear is mainly the dyeing of four bath methods, be the refining oil removing, dye acrylic fibers, dye viscose, dye chinlon/spandex four baths, the technological process of its dyeing is: the refining oil removing → hot water wash of orlon/viscose/chinlon/spandex → wash → dye acrylic fibers → hot water wash → acrylic fibers to soap → hot water wash → wash → dye viscose → hot water wash → soap → wash → dye chinlon/spandex → hot water wash → washing → soft treatment.Problems such as existing technology exists mainly that technological process is long, dyeing time long, damages product and pilling easily, color instability, water consumption, power consumption, blowdown flow rate are big.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can effectively shorten dyeing, enhance productivity, reduce the orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process of blowdown.
The present invention is the orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process, it is characterized in that being undertaken by following processing step:
A, dye viscose: the orlon/viscose/chinlon/spandex polycomponent seamless underwear is put into dye vat, dye viscose,, soap washing then through hot water wash by existing technological requirement of dying viscose;
B, with bathing the refining oil removing and dying acrylic fibers/chinlon/spandex: add dying material and auxiliary agent and carry out then through hot water wash, soaping, wash with bathing the refining oil removing and dying acrylic fibers/chinlon/spandex;
C, soft treatment: carry out soft treatment by existing soft treatment technological requirement;
Dying material among the described step B and auxiliary agent be by degreaser, refining agent, and ED type cation dyes, faintly acid or neutral dye, precipitation prevents agent, chelated dispersants, levelling agent, glacial acetic acid, compositions such as sodium acetate.
The addition of dying material and auxiliary agent can be respectively among the described step B: ED type cation dyes consumption 0.001%～3%, faintly acid or neutral dye consumption 0.001%～3%, degreaser 1～2g/L, refining agent 0.5～1g/L, precipitation prevents agent 0.5～1g/L, chelated dispersants 0.3～0.8g/L, levelling agent, 0.25～1g/L, glacial acetic acid 0.5～1g/L, sodium acetate 1～2g/L.
Described ED type cation dyes are the ED type cation dyes that Japanese chemical drug is produced.
Described precipitation prevents that agent from can be NEOTEX CA-5Z or A Baige A.
Described with bathing the refining oil removing and dying acrylic fibers/chinlon/spandex and can carry out according to the following steps: adding assistant in the time of 30 ± 5 ℃, the order of adding assistant is that chelated dispersants, degreaser+refining agent, levelling agent, glacial acetic acid and sodium acetate, precipitation prevent agent, adds to add another kind of auxiliary agent again after changeing 2-3min behind a kind of auxiliary agent; Add again after all auxiliary agents all add and add ED type cation dyes after weak acid dye or neutral dye commentaries on classics 3～8min is warmed up to 75 ± 5 ℃ of commentaries on classics 8～12min with 1～1.5 ℃/min, change 3～8min again, be warmed up to 90 ± 3 ℃ of insulation 8～12min with 1～1.5 ℃/min and be warmed up to 100 ± 2 ℃ of insulation 60 ± 5min with 0.5～1 ℃/min again.
The present invention compared with prior art has following outstanding advantage and good effect:
1, the refining oil removing, dye acrylic fibers, dye chinlon/spandex and carry out with bathing, four bath methods of prior art are kept to two bath process, shortened technological process, shortened dyeing time, improved output, reduced the consumption of steam and water, reduced blowdown.
2, according to the refining oil removing, dye acrylic fibers, dye chinlon/spandex with the technological requirement of bathing, at auxiliary agent and faintly acid or neutral dyes such as the required degreaser of prior art, refining agent, chelated dispersants, levelling agents, on the basis of cation dyes, through repeatedly repetition test comparison, deducted glacial acetic acid, sodium acetate has rationally been selected ED type cation dyes for use, and the interpolation precipitation prevents agent.The ED type cation dyes that Japan's chemical drug is produced; it is structurally different with general cation dyes; the outside of ED type cation dyes molecular structure is surrounded by layer protecting film; stoped in dyeing course cation dyes and other dyestuff anionicsite and anionic auxiliary to play precipitation reaction to a certain extent, this just for the refining oil removing, dye acrylic fibers, dye chinlon/spandex and provide feasible basis with bathing.Precipitation prevents that selecting for use of agent from also being feasible key of the present invention; though ED type cation dyes outsourcing diaphragm; but can break at the last diaphragm that dyes in the process; at this moment precipitation prevents that agent from just having played effect; stop cation dyes and other dyestuff anionicsite and anionic auxiliary to play precipitation reaction, avoided the mutual cross pollution of dying material and auxiliary agent.
3, according to the refining oil removing, dye acrylic fibers, dye chinlon/spandex with bathe and dying material and auxiliary agent to the requirement of technology, through repeatedly repetition test comparison, rationally determine the interpolation order of dying material and auxiliary agent and temperature, time, prevent between each dyestuff, the auxiliary agent, interaction between dyestuff and the auxiliary agent, help stablizing dyeing, improve the once successful probability of dyeing.84 ℃ of beginnings of cation dyes are just dyed acrylic fiber in the meeting, so add about cation dyes to 80 ℃, do not influence acrylic fibers on dye or worry dyeing flower, can also allow neutrality or weak acid dye dye part earlier, reduce amount and time that cation dyes contact with faintly acid or neutral dye, helped the stability that co-bathing dyeing carries out.
The specific embodiment
Embodiment 1:
Raw material: 64.6% heating yarn (English cry Thermogear TM), 20.5% 20/30-12F polyamide core-spun yarn, 14.9% 40/30-12F polyamide core-spun yarn, the yarn that generates heat are to be formed by 65% ultra-fine acrylic fibers and 35% viscose blending.
Product: three fens trousers, four fens trousers and vest; Color: brown.
A, dye used the dying material of viscose and auxiliary agent prescription:
Reactive yellow ED 0.28%
Reactive red ED 1%
Reactive navy blue ED 0.28%
Chelated dispersants 1g/L
Glauber salt 50g/L
Soda ash 20g/L
Technological parameter: 25 ℃ add glauber salt and 1/3 soda ash and change 10min, are warmed up to behind 60 ℃ of insulation 20min gradation with 1 ℃/min and add remaining soda ash and be incubated 60 minutes again, PH=10.5, bath raio 1: 25.
B, with bathing the refining oil removing and dying used the dying material of acrylic fibers/chinlon/spandex and auxiliary agent is write out a prescription:
Refining agent L-100 0.5g/L
Degreaser TF-129 1g/L
Cationic yellow 3RL-ED 0.76%
Cationic red GRL-ED 0.38%
The blue GSL-ED 0.33% of CATION
LANASET PA brown 0.35%
LANASET PA red 0.08%
Precipitation prevents agent P-30 0.5g/L
Levelling agent paregal O 0.5g/L
Glacial acetic acid 0.75g/L
Sodium acetate 1.5g/L
Technological parameter: add Lehner and shine and to take off dyestuff and be warmed up to 80 ℃, add cation dyes and be warmed up to 100 ℃ with 1 ℃/min with 1.5 ℃/min, insulation 60min, the pH value is 4.5～5, bath raio 1: 25
Technological operation explanation: reinforced operation is noted that 30 ℃ of elder generations add all auxiliary agents respectively and change 5min → add again LANASET PA dyestuff and change 5min → be warmed up to 80 ℃ with 1.5 ℃/min and add cation dyes and change 5min → 1 ℃/min and be warmed up to 90 ℃ of insulation 10min and be warmed up to 100 ℃ again and be incubated behind the 60min sample when dying nitrile/brocade.In order to improve COLOR FASTNESS, soaping of the dynamics that strengthen soaping, particularly acrylic fibers adopts the secondary acrylic fibers to soap in case of necessity.
Dye the back fabric after tested, WASHING COLOR FASTNESS reaches more than 4 grades, fastness to rubbing: 4 grades of unlubricated frictions, the wet 3-4 level of rubbing.
Embodiment 2:
Raw material: 64.6% heating yarn (English cry Thermogear TM), 20.5% 20/30-12F polyamide core-spun yarn, 14.9% 40/30-12F polyamide core-spun yarn, the yarn that generates heat are to be formed by 65% ultra-fine acrylic fibers and 35% viscose blending.
Product: three fens trousers, four fens trousers and vest; Color: black.
A, used the dying material of viscose and auxiliary agent prescription:
Chelated dispersants 1g/L
Reactive yellow ED 0.07%
Reactive black W-NN 2.8%
Glauber salt 60g/L
Soda ash 20g/L
Technological parameter: 25 ℃ add glauber salt and soda ash commentaries on classics 10min, are warmed up to 60 ℃ of insulations 60 minutes, PH=11, bath raio 1 with 1 ℃/min; 25.
B, with bathing the refining oil removing and dying used the dying material of acrylic fibers/chinlon/spandex and auxiliary agent is write out a prescription:
Refining agent L-100 0.5g/L
Degreaser TF-129 1g/L
Refined lattice Saite is deceived SS-G 2.3%
Cationic black R-ED 2.65%
The blue GSL-ED 0.167% of CATION
Precipitation prevents agent P-30 0.5g/L
Levelling agent paregal O 0.5g/L
Glacial acetic acid 1g/L
Technological operation explanation: when dying nitrile/brocade reinforced operation be noted that 30 ℃ of elder generations respectively at interval adding assistant change the black SS-G dyestuff of Jia Yage Saite of 5min → again and change 5min → be warmed up to 80 ℃ and add the cationic black dyestuffs and change 5min → 1 ℃/min and be warmed up to 90 ℃ of insulation 10min and be warmed up to 100 ℃ again and be incubated behind the 60min sample with 1.5 ℃/min.In order to improve COLOR FASTNESS, soaping of the dynamics that strengthen soaping, particularly acrylic fibers adopts the secondary acrylic fibers to soap in case of necessity, and in order to improve fastness to wet rubbing, the humidification fastness promoting agent that rubs is handled in case of necessity.
Dye the back fabric after tested, WASHING COLOR FASTNESS reaches more than 4 grades, fastness to rubbing: unlubricated friction 3-4 level, wet and rub 3 grades.
Dying material in the above embodiment of the present invention and auxiliary agent decationize dyestuff and precipitation prevent that agent from being outside the present invention selects for use especially, and it is commonly used that other dying material and auxiliary agent are prior art.The foregoing description only is can not limit the present invention to explanation of the present invention, in implication suitable with the present invention and any change and the combination in the scope, all should think within the scope of the invention.
The present invention compared with prior art, has following economic and social benefit through practical application:
Dyeing time and output: former four bath methods were normally dyed shallow middle look of used time of a cylinder 20 hours, middle dark 24 hours, look was 12 hours during the new technology dyeing time was shallow, middle dark 14 hours, dyed a cylinder product, dyeing time can shorten 8-10 hour, calculated by one day 24 hours, former technology dyeing was dyed a cylinder in one day, and new technology can be dyed nearly two cylinder in one day, improve production efficiency, shortened delivery date.
Steam consumption: former technology is compared few operation with steam to be had with new technology: three road hot water wash, refining oil removing is separately soaped together, dyes polyamide fibre separately, can economize on vapour more than 1/3rd.
The consumption of water, electricity: former technology is compared with new technology, and look was reduced to 9 cylinder water from 16 cylinder water during new technology was shallow; Middle dark color is reduced to 12 cylinder water from 20 cylinder water, and water consumption has reduced 7/16 or 2/5, but conserve water resource 2/5 amount is saved electricity 2/5.
Integrated cost: except that dyestuff and auxiliary dosage, from water, electricity, vapour, time, artificial, blowdown and production efficiency analysis-by-synthesis, new technology cost-saved about 1/3rd.Also use water resource less, reduced cost of sewage disposal, reduced the sewage discharge pollution on the environment.
Claims (4)
1. orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process is characterized in that being undertaken by following processing step:
A, dye viscose: the orlon/viscose/chinlon/spandex polycomponent seamless underwear is put into dye vat, dye viscose,, soap washing then through hot water wash by existing technological requirement of dying viscose;
B, with bathing the refining oil removing and dying acrylic fibers/chinlon/spandex: add dying material and auxiliary agent and carry out then through hot water wash, soaping, wash with bathing the refining oil removing and dying acrylic fibers/chinlon/spandex;
C, soft treatment: carry out soft treatment by existing soft treatment technological requirement;
Dying material among the described step B and auxiliary agent be by degreaser, refining agent, and ED type cation dyes, faintly acid or neutral dye, precipitation prevents agent, chelated dispersants, levelling agent, glacial acetic acid, sodium acetate is formed;
Described with bathing the refining oil removing and dying acrylic fibers/chinlon/spandex and carry out according to the following steps: adding assistant in the time of 30 ± 5 ℃, the order of adding assistant is that chelated dispersants, degreaser+refining agent, levelling agent, glacial acetic acid and sodium acetate, precipitation prevent agent, adds to add another kind of auxiliary agent again after changeing 2-3min behind a kind of auxiliary agent; Add again after all auxiliary agents all add and add ED type cation dyes after weak acid dye or neutral dye commentaries on classics 3～8min is warmed up to 75 ± 5 ℃ of commentaries on classics 8～12min with 1～1.5 ℃/min, change 3～8min again, be warmed up to 90 ± 3 ℃ of insulation 8～12min with 1～1.5 ℃/min and be warmed up to 100 ± 2 ℃ of insulation 60 ± 5min with 0.5～1 ℃/min again.
2. by the described orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process of claim 1, it is characterized in that the addition of dying material and auxiliary agent is respectively among the described step B: ED type cation dyes consumption 0.001%～3%, faintly acid or neutral dye consumption 0.001%～3%, degreaser 1～2g/L, refining agent 0.5～1g/L, precipitation prevents agent 0.5～1g/L, chelated dispersants 0.3～0.8g/L, levelling agent 0.25～1g/L, glacial acetic acid 0.5～1g/L, sodium acetate 1～2g/L.
3. by the described orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process of claim 1, it is characterized in that described ED type cation dyes are the ED type cation dyes that Japanese chemical drug is produced.
4. by the described orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process of claim 1, it is characterized in that described precipitation prevents that agent from being NEOTEX CA-5Z or A Baige A.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100980441A CN101545214B (en) | 2009-04-23 | 2009-04-23 | Orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process |
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|---|---|---|---|
| CN2009100980441A CN101545214B (en) | 2009-04-23 | 2009-04-23 | Orlon/viscose/chinlon/spandex polycomponent seamless underwear dyeing process |
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| CN101545214A CN101545214A (en) | 2009-09-30 |
| CN101545214B true CN101545214B (en) | 2011-04-13 |
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| CN101845760B (en) * | 2010-05-28 | 2012-02-29 | 东莞贰发毛绒有限公司 | One-bath dyeing process for flocked fabric by hybrid flocking of nylon and acrylon |
| CN102444033B (en) * | 2011-09-20 | 2013-09-18 | 杭州天宇印染有限公司 | Dyeing and fishing method for brocade/viscose fiber/spandex knitting fabric |
| CN102561070B (en) * | 2012-01-07 | 2012-12-12 | 广东瑞源科技股份有限公司 | Energy and water saving dyeing method for seamless underwear |
| CN102660878B (en) * | 2012-05-10 | 2013-09-25 | 浙江俏尔婷婷服饰有限公司 | Modified terylene/chinlon/spandex multi-component seamless underwear one-bath-process dyeing technology |
| CN102912658A (en) * | 2012-11-07 | 2013-02-06 | 庄百川 | Dye formula for garment |
| CN103628329A (en) * | 2013-10-17 | 2014-03-12 | 上海缀菱纺织品有限公司 | Method for dyeing CDP/nylon/PU knitted fabrics |
| CN103757948A (en) * | 2014-01-14 | 2014-04-30 | 冠宏股份有限公司 | Method for dyeing and finishing nylon spandex fabric |
| CN105297316A (en) * | 2014-07-10 | 2016-02-03 | 浙江华德利纺织印染有限公司 | Scouring and dyeing process for gray cloth |
| CN104562761B (en) * | 2014-11-21 | 2016-06-22 | 浙江梦娜袜业股份有限公司 | A kind of technique of chinlon and spandex upper dye simultaneously |
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| CN107675527A (en) * | 2017-09-06 | 2018-02-09 | 浙江弘盛纺织科技有限公司 | A kind of acrylic fibers, polyamide fibre mix the dyeing of knitted fabric |
| CN107956163A (en) * | 2017-11-14 | 2018-04-24 | 嘉兴市泰石漂染有限公司 | A kind of fine dyeing of tencel hair |
| CN108286198B (en) * | 2017-12-30 | 2020-10-27 | 浙江迎丰科技股份有限公司 | Efficient short-process dyeing and finishing process for polyamide knitted fabric by scouring and dyeing one-bath method |
| CN109629252B (en) * | 2018-11-09 | 2021-07-30 | 嘉兴市万虹漂染股份有限公司 | Dyeing process of rabbit hair-imitated core-spun yarn |
| CN110965367A (en) * | 2019-11-28 | 2020-04-07 | 广东易通纺织科技有限公司 | Novel environment-friendly low-bath-ratio fabric dyeing and finishing process |
| CN112239912A (en) * | 2020-08-12 | 2021-01-19 | 上海悠途实业有限公司 | Double-heating seamless underwear fabric and manufacturing method thereof |
| CN115595806A (en) * | 2022-10-31 | 2023-01-13 | 浙江理工大学桐乡研究院有限公司（Cn） | Multi-component blended fabric garment dyeing process |
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Denomination of invention: Acrylic/Viscose/Nylon/Spandex Multi-component Seamless Underwear Dyeing Process Effective date of registration: 20220904 Granted publication date: 20110413 Pledgee: Industrial and Commercial Bank of China Limited Shangyu sub branch Pledgor: ZHEJIANG QIAOERTINGTING FASHION Co.,Ltd. Registration number: Y2022330002110 |
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Date of cancellation: 20231220 Granted publication date: 20110413 Pledgee: Industrial and Commercial Bank of China Limited Shangyu sub branch Pledgor: ZHEJIANG QIAOERTINGTING FASHION Co.,Ltd. Registration number: Y2022330002110 |